./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3376061748 <...> 6974] ioctl(4, LOOP_SET_FD, 3 [pid 6971] close(3) = 0 [ 218.065351][ T6972] loop0: detected capacity change from 0 to 8192 [ 218.065897][ T6970] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 218.082811][ T6969] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.097127][ T6969] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 218.100712][ T6971] loop4: detected capacity change from 0 to 8192 [pid 6971] mkdir("./file0", 0777) = 0 [pid 6971] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6973] <... write resumed>) = 4194304 [pid 6973] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 6973] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6973] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6974] <... ioctl resumed>) = 0 [pid 6974] close(3) = 0 [pid 6974] mkdir("./file0", 0777) = 0 [pid 6973] close(3 [ 218.114850][ T6974] loop3: detected capacity change from 0 to 8192 [ 218.119587][ T6973] loop2: detected capacity change from 0 to 8192 [ 218.127921][ T6970] REISERFS (device loop5): using ordered data mode [ 218.134874][ T6970] reiserfs: using flush barriers [ 218.138690][ T6972] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.141234][ T6969] REISERFS (device loop1): using ordered data mode [pid 6974] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6973] <... close resumed>) = 0 [pid 6973] mkdir("./file0", 0777) = 0 [ 218.161051][ T6970] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.177236][ T6969] reiserfs: using flush barriers [ 218.180579][ T6972] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 218.183647][ T6974] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.193591][ T6970] REISERFS (device loop5): checking transaction log (loop5) [ 218.205305][ T6971] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.213157][ T6972] REISERFS (device loop0): using ordered data mode [ 218.226403][ T6974] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 218.233632][ T6970] REISERFS (device loop5): Using r5 hash to sort names [ 218.240551][ T6973] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 218.247778][ T6971] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 218.260444][ T6969] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.269970][ T6971] REISERFS (device loop4): using ordered data mode [ 218.286595][ T6972] reiserfs: using flush barriers [ 218.292420][ T6971] reiserfs: using flush barriers [ 218.298041][ T6970] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.303453][ T6974] REISERFS (device loop3): using ordered data mode [ 218.315334][ T6971] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.321496][ T6974] reiserfs: using flush barriers [ 218.344706][ T6974] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.345120][ T6972] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 218.361253][ T6974] REISERFS (device loop3): checking transaction log (loop3) [ 218.377406][ T6970] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 218.385183][ T6973] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 218.394514][ T6971] REISERFS (device loop4): checking transaction log (loop4) [pid 6973] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6970] <... mount resumed>) = 0 [pid 6970] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 218.403898][ T6969] REISERFS (device loop1): checking transaction log (loop1) [ 218.412628][ T6972] REISERFS (device loop0): checking transaction log (loop0) [ 218.420144][ T6973] REISERFS (device loop2): using ordered data mode [ 218.427771][ T6971] REISERFS (device loop4): Using r5 hash to sort names [ 218.434075][ T6973] reiserfs: using flush barriers [ 218.441612][ T6972] REISERFS (device loop0): Using r5 hash to sort names [ 218.445451][ T6974] REISERFS (device loop3): Using r5 hash to sort names [ 218.452170][ T6971] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.471869][ T6972] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.472439][ T6969] REISERFS (device loop1): Using r5 hash to sort names [ 218.484636][ T6972] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 218.494049][ T6973] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6970] chdir("./file0") = 0 [pid 6970] ioctl(4, LOOP_CLR_FD [pid 6972] <... mount resumed>) = 0 [pid 6970] <... ioctl resumed>) = 0 [pid 6972] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6970] close(4 [pid 6971] <... mount resumed>) = 0 [pid 6970] <... close resumed>) = 0 [pid 6972] <... openat resumed>) = 3 [pid 6970] mkdir(NULL, 000 [pid 6972] chdir("./file0" [pid 6971] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6970] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 6970] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6972] <... chdir resumed>) = 0 [ 218.501335][ T6971] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 218.518007][ T6974] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.541078][ T6973] REISERFS (device loop2): checking transaction log (loop2) [ 218.550969][ T6974] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 6972] ioctl(4, LOOP_CLR_FD [pid 6971] <... openat resumed>) = 3 [pid 6970] <... openat resumed>) = 4 [pid 6974] <... mount resumed>) = 0 [pid 6974] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6974] chdir("./file0") = 0 [pid 6974] ioctl(4, LOOP_CLR_FD) = 0 [pid 6974] close(4) = 0 [pid 6974] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 6974] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6974] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 6974] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 6974] exit_group(0) = ? [pid 6974] +++ exited with 0 +++ [pid 6970] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6974, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 6970] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6970] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 6970] exit_group(0 [pid 5072] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6970] <... exit_group resumed>) = ? [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6972] <... ioctl resumed>) = 0 [pid 6972] close(4) = 0 [pid 6972] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 6972] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6970] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6970, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5072] <... openat resumed>) = 3 [pid 6971] chdir("./file0" [pid 5072] fstat(3, [pid 6971] <... chdir resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6971] ioctl(4, LOOP_CLR_FD [pid 5074] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(3, [pid 6972] <... openat resumed>) = 4 [pid 6971] <... ioctl resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 6972] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 6971] close(4 [pid 6972] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6971] <... close resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6971] mkdir(NULL, 000 [pid 5074] fstat(3, [pid 5072] lstat("./156/binderfs", [pid 6972] mount(NULL, "./bus", NULL, 0, NULL [pid 6971] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6972] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 6971] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] getdents64(3, [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6972] exit_group(0 [pid 6971] <... openat resumed>) = 4 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] unlink("./156/binderfs" [pid 6972] <... exit_group resumed>) = ? [pid 6971] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... unlink resumed>) = 0 [pid 6972] +++ exited with 0 +++ [pid 6971] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6971] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] lstat("./161/binderfs", [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6972, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 6971] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 218.551966][ T6969] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 218.579180][ T6973] REISERFS (device loop2): Using r5 hash to sort names [ 218.596774][ T6973] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6971] exit_group(0 [pid 5074] unlink("./161/binderfs" [pid 6971] <... exit_group resumed>) = ? [pid 5074] <... unlink resumed>) = 0 [pid 6971] +++ exited with 0 +++ [pid 5074] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6971, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6973] <... mount resumed>) = 0 [pid 6973] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5069] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6973] <... openat resumed>) = 3 [pid 6973] chdir("./file0") = 0 [pid 6973] ioctl(4, LOOP_CLR_FD [pid 5073] <... restart_syscall resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5069] fstat(3, [pid 6973] <... ioctl resumed>) = 0 [pid 6973] close(4) = 0 [pid 6973] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 6973] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 6973] <... openat resumed>) = 4 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6973] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 6973] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... openat resumed>) = 3 [pid 5069] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] fstat(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] lstat("./153/binderfs", [pid 5073] getdents64(3, [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6973] mount(NULL, "./bus", NULL, 0, NULL [pid 5069] unlink("./153/binderfs" [pid 6973] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 6973] exit_group(0 [pid 5069] <... unlink resumed>) = 0 [pid 5073] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] lstat("./158/binderfs", [pid 6973] <... exit_group resumed>) = ? [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./158/binderfs") = 0 [pid 6973] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6973, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5073] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./157/binderfs") = 0 [pid 5071] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6969] <... mount resumed>) = 0 [pid 6969] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6969] chdir("./file0") = 0 [pid 6969] ioctl(4, LOOP_CLR_FD) = 0 [pid 6969] close(4) = 0 [pid 6969] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 6969] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6969] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 6969] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 6969] exit_group(0) = ? [ 218.623963][ T6973] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 218.634948][ T6969] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 6969] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6969, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5070] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./156/binderfs") = 0 [pid 5070] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./161/file0", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] lstat("./157/file0", [pid 5074] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 4 [pid 5071] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] fstat(4, [pid 5071] <... openat resumed>) = 4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] fstat(4, [pid 5074] getdents64(4, [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, [pid 5074] getdents64(4, [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(4, [pid 5074] close(4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... close resumed>) = 0 [pid 5071] close(4 [pid 5074] rmdir("./161/file0" [pid 5071] <... close resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5071] rmdir("./157/file0" [pid 5074] getdents64(3, [pid 5071] <... rmdir resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(3, [pid 5074] close(3 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... close resumed>) = 0 [pid 5071] close(3 [pid 5074] rmdir("./161" [pid 5071] <... close resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5071] rmdir("./157" [pid 5074] mkdir("./162", 0777 [pid 5071] <... rmdir resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5071] mkdir("./158", 0777 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... mkdir resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5071] <... openat resumed>) = 3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5074] close(3 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] <... close resumed>) = 0 [pid 5071] close(3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 6981 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 6982 [pid 5072] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./156/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./156/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./156") = 0 [pid 5072] mkdir("./157", 0777./strace-static-x86_64: Process 6981 attached ) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6981] chdir("./162" [pid 5072] <... openat resumed>) = 3 [pid 6981] <... chdir resumed>) = 0 [pid 6981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] ioctl(3, LOOP_CLR_FD [pid 6981] <... prctl resumed>) = 0 [pid 6981] setpgid(0, 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6981] <... setpgid resumed>) = 0 [pid 5072] close(3 [pid 6981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... close resumed>) = 0 [pid 6981] <... openat resumed>) = 3 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6981] write(3, "1000", 4) = 4 [pid 6981] close(3 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 6983 [pid 6981] <... close resumed>) = 0 [pid 6981] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6981] memfd_create("syzkaller", 0) = 3 [pid 6981] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 ./strace-static-x86_64: Process 6983 attached ./strace-static-x86_64: Process 6982 attached [pid 6983] chdir("./157") = 0 [pid 6982] chdir("./158") = 0 [pid 6983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6983] setpgid(0, 0) = 0 [pid 6983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6983] <... openat resumed>) = 3 [pid 6982] setpgid(0, 0 [pid 6983] write(3, "1000", 4) = 4 [pid 6983] close(3) = 0 [pid 6983] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6982] <... setpgid resumed>) = 0 [pid 6983] memfd_create("syzkaller", 0 [pid 6982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6983] <... memfd_create resumed>) = 3 [pid 6983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 6982] <... openat resumed>) = 3 [pid 6982] write(3, "1000", 4 [pid 5070] <... umount2 resumed>) = 0 [pid 6982] <... write resumed>) = 4 [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./158/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6982] close(3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6982] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6982] symlink("/dev/binderfs", "./binderfs" [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6982] <... symlink resumed>) = 0 [pid 6982] memfd_create("syzkaller", 0) = 3 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./158/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./158" [pid 6982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... rmdir resumed>) = 0 [pid 6982] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] mkdir("./159", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 6984 [pid 5070] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6984 attached [pid 6984] chdir("./159" [pid 5070] lstat("./156/file0", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6984] <... chdir resumed>) = 0 [pid 6984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6984] setpgid(0, 0) = 0 [pid 6984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] lstat("./153/file0", [pid 6984] write(3, "1000", 4) = 4 [pid 6984] close(3 [pid 5070] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6984] <... close resumed>) = 0 [pid 6984] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5069] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6984] memfd_create("syzkaller", 0 [pid 6983] 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"..., 4194304 [pid 6981] 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"..., 4194304 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6984] <... memfd_create resumed>) = 3 [pid 6984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6984] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5070] <... openat resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] fstat(4, [pid 5069] <... openat resumed>) = 4 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] fstat(4, [pid 5070] getdents64(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 6982] 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"..., 4194304 [pid 5070] getdents64(4, [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 5069] getdents64(4, [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./156/file0" [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] close(4 [pid 5070] getdents64(3, [pid 5069] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] rmdir("./153/file0" [pid 5070] close(3 [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 5070] rmdir("./156" [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] close(3 [pid 5070] mkdir("./157", 0777 [pid 5069] <... close resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] rmdir("./153" [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] mkdir("./154", 0777 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... mkdir resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] close(3 [pid 5069] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 6985 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6984] 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"..., 4194304./strace-static-x86_64: Process 6985 attached [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 6986 [pid 6985] chdir("./157") = 0 [pid 6985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6986 attached [pid 6985] setpgid(0, 0 [pid 6986] chdir("./154" [pid 6985] <... setpgid resumed>) = 0 [pid 6986] <... chdir resumed>) = 0 [pid 6985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6986] setpgid(0, 0) = 0 [pid 6986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6985] <... openat resumed>) = 3 [pid 6986] <... openat resumed>) = 3 [pid 6985] write(3, "1000", 4 [pid 6986] write(3, "1000", 4 [pid 6985] <... write resumed>) = 4 [pid 6986] <... write resumed>) = 4 [pid 6986] close(3 [pid 6985] close(3 [pid 6986] <... close resumed>) = 0 [pid 6986] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6986] memfd_create("syzkaller", 0 [pid 6985] <... close resumed>) = 0 [pid 6986] <... memfd_create resumed>) = 3 [pid 6985] symlink("/dev/binderfs", "./binderfs" [pid 6986] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 6985] <... symlink resumed>) = 0 [pid 6985] memfd_create("syzkaller", 0) = 3 [pid 6985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 6981] <... write resumed>) = 4194304 [pid 6981] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 6981] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6981] ioctl(4, LOOP_SET_FD, 3 [pid 6983] <... write resumed>) = 4194304 [pid 6983] munmap(0x7f8a1b2e3000, 4194304 [pid 6982] <... write resumed>) = 4194304 [pid 6981] <... ioctl resumed>) = 0 [pid 6981] close(3) = 0 [pid 6981] mkdir("./file0", 0777 [pid 6983] <... munmap resumed>) = 0 [pid 6983] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6981] <... mkdir resumed>) = 0 [pid 6986] 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"..., 4194304 [pid 6985] 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"..., 4194304 [pid 6983] <... openat resumed>) = 4 [pid 6982] munmap(0x7f8a1b2e3000, 4194304 [ 219.068517][ T6981] loop5: detected capacity change from 0 to 8192 [pid 6981] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6983] ioctl(4, LOOP_SET_FD, 3 [pid 6982] <... munmap resumed>) = 0 [pid 6982] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6984] <... write resumed>) = 4194304 [pid 6983] <... ioctl resumed>) = 0 [pid 6982] <... openat resumed>) = 4 [pid 6984] munmap(0x7f8a1b2e3000, 4194304 [pid 6983] close(3 [pid 6982] ioctl(4, LOOP_SET_FD, 3 [pid 6984] <... munmap resumed>) = 0 [pid 6982] <... ioctl resumed>) = 0 [pid 6983] <... close resumed>) = 0 [pid 6983] mkdir("./file0", 0777 [pid 6984] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6983] <... mkdir resumed>) = 0 [pid 6984] <... openat resumed>) = 4 [pid 6983] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6984] ioctl(4, LOOP_SET_FD, 3 [pid 6982] close(3) = 0 [pid 6984] <... ioctl resumed>) = 0 [pid 6984] close(3 [ 219.133392][ T6983] loop3: detected capacity change from 0 to 8192 [ 219.141055][ T6981] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.156627][ T6982] loop2: detected capacity change from 0 to 8192 [ 219.168196][ T6984] loop4: detected capacity change from 0 to 8192 [pid 6982] mkdir("./file0", 0777 [pid 6984] <... close resumed>) = 0 [pid 6982] <... mkdir resumed>) = 0 [pid 6984] mkdir("./file0", 0777 [pid 6982] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6984] <... mkdir resumed>) = 0 [pid 6984] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6986] <... write resumed>) = 4194304 [pid 6986] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 6986] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 219.180151][ T6983] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.181529][ T6981] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 219.202558][ T6983] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 219.219313][ T6983] REISERFS (device loop3): using ordered data mode [ 219.226636][ T6981] REISERFS (device loop5): using ordered data mode [ 219.230961][ T6986] loop0: detected capacity change from 0 to 8192 [ 219.234059][ T6982] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.239647][ T6981] reiserfs: using flush barriers [ 219.252928][ T6984] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.258908][ T6982] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 6986] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6986] close(3 [pid 6985] <... write resumed>) = 4194304 [pid 6986] <... close resumed>) = 0 [pid 6986] mkdir("./file0", 0777) = 0 [ 219.278214][ T6983] reiserfs: using flush barriers [ 219.279702][ T6981] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.291987][ T6983] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.305005][ T6981] REISERFS (device loop5): checking transaction log (loop5) [ 219.324372][ T6984] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 6986] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 219.334168][ T6984] REISERFS (device loop4): using ordered data mode [ 219.334574][ T6986] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.340761][ T6984] reiserfs: using flush barriers [ 219.341928][ T6982] REISERFS (device loop2): using ordered data mode [ 219.353874][ T6984] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6985] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 6985] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 219.358728][ T6982] reiserfs: using flush barriers [ 219.382844][ T6981] REISERFS (device loop5): Using r5 hash to sort names [ 219.386719][ T6983] REISERFS (device loop3): checking transaction log (loop3) [ 219.397742][ T6985] loop1: detected capacity change from 0 to 8192 [ 219.400872][ T6986] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 219.409318][ T6981] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6985] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6985] close(3) = 0 [pid 6985] mkdir("./file0", 0777) = 0 [ 219.416353][ T6986] REISERFS (device loop0): using ordered data mode [ 219.435281][ T6986] reiserfs: using flush barriers [ 219.437084][ T6983] REISERFS (device loop3): Using r5 hash to sort names [ 219.441676][ T6984] REISERFS (device loop4): checking transaction log (loop4) [ 219.453368][ T6983] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 219.454486][ T6986] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.477019][ T6982] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 219.486091][ T6986] REISERFS (device loop0): checking transaction log (loop0) [ 219.502604][ T6985] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 219.509605][ T6984] REISERFS (device loop4): Using r5 hash to sort names [ 219.523639][ T6981] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 219.529650][ T6986] REISERFS (device loop0): Using r5 hash to sort names [ 219.540257][ T6983] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 219.544933][ T6986] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 219.556376][ T6984] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6985] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6986] <... mount resumed>) = 0 [pid 6986] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6983] <... mount resumed>) = 0 [pid 6981] <... mount resumed>) = 0 [pid 6986] <... openat resumed>) = 3 [pid 6983] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6981] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6986] chdir("./file0" [pid 6983] <... openat resumed>) = 3 [pid 6981] <... openat resumed>) = 3 [pid 6986] <... chdir resumed>) = 0 [pid 6983] chdir("./file0" [pid 6981] chdir("./file0" [pid 6986] ioctl(4, LOOP_CLR_FD [pid 6983] <... chdir resumed>) = 0 [pid 6981] <... chdir resumed>) = 0 [pid 6986] <... ioctl resumed>) = 0 [pid 6983] ioctl(4, LOOP_CLR_FD [pid 6981] ioctl(4, LOOP_CLR_FD [pid 6986] close(4 [pid 6983] <... ioctl resumed>) = 0 [pid 6981] <... ioctl resumed>) = 0 [pid 6986] <... close resumed>) = 0 [pid 6983] close(4) = 0 [pid 6983] mkdir(NULL, 000 [pid 6986] mkdir(NULL, 000 [pid 6983] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 6981] close(4 [pid 6983] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 219.566660][ T6986] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 219.589242][ T6982] REISERFS (device loop2): checking transaction log (loop2) [ 219.590986][ T6985] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 219.597714][ T6984] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 219.619810][ T6985] REISERFS (device loop1): using ordered data mode [ 219.625686][ T6982] REISERFS (device loop2): Using r5 hash to sort names [pid 6983] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 6983] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 6983] exit_group(0) = ? [pid 6986] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 6983] +++ exited with 0 +++ [pid 6981] <... close resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6983, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=13 /* 0.13 s */} --- [pid 5072] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6986] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6984] <... mount resumed>) = 0 [pid 6982] <... mount resumed>) = 0 [pid 6981] mkdir(NULL, 000 [pid 5072] <... openat resumed>) = 3 [pid 6986] <... openat resumed>) = 4 [pid 6984] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6982] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6981] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5072] fstat(3, [pid 6986] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 6984] <... openat resumed>) = 3 [pid 6982] <... openat resumed>) = 3 [pid 6981] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6986] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6984] chdir("./file0" [pid 5072] getdents64(3, [pid 6984] <... chdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 6984] ioctl(4, LOOP_CLR_FD [pid 5072] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6984] <... ioctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6984] close(4 [pid 5072] lstat("./157/binderfs", [pid 6984] <... close resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6984] mkdir(NULL, 000 [pid 5072] unlink("./157/binderfs" [pid 6984] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5072] <... unlink resumed>) = 0 [pid 6984] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6986] mount(NULL, "./bus", NULL, 0, NULL [pid 6984] <... openat resumed>) = 4 [pid 6982] chdir("./file0" [pid 6981] <... openat resumed>) = 4 [pid 6986] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 219.633735][ T6982] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 219.646829][ T6982] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 219.656419][ T6985] reiserfs: using flush barriers [ 219.665011][ T6985] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6984] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 6982] <... chdir resumed>) = 0 [pid 6981] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 6986] exit_group(0 [pid 6984] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 6984] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 6984] exit_group(0) = ? [pid 6986] <... exit_group resumed>) = ? [pid 6984] +++ exited with 0 +++ [pid 6982] ioctl(4, LOOP_CLR_FD [pid 6981] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6984, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 6986] +++ exited with 0 +++ [pid 6982] <... ioctl resumed>) = 0 [pid 6981] mount(NULL, "./bus", NULL, 0, NULL [pid 6982] close(4 [pid 6981] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] <... umount2 resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6986, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 6982] <... close resumed>) = 0 [pid 6981] exit_group(0 [pid 5072] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6982] mkdir(NULL, 000 [pid 6981] <... exit_group resumed>) = ? [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./157/file0", [pid 5073] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6982] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6982] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 6981] +++ exited with 0 +++ [pid 5073] fstat(3, [pid 5072] <... openat resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6982] <... openat resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6981, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] fstat(4, [pid 5069] <... openat resumed>) = 3 [pid 5073] getdents64(3, [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] fstat(3, [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] getdents64(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(3, [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(4, [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] lstat("./159/binderfs", [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] close(4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] unlink("./159/binderfs" [pid 5072] <... close resumed>) = 0 [pid 5069] lstat("./154/binderfs", [pid 6982] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... openat resumed>) = 3 [pid 5073] <... unlink resumed>) = 0 [pid 5072] rmdir("./157/file0" [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] fstat(3, [pid 5073] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... rmdir resumed>) = 0 [pid 5069] unlink("./154/binderfs" [pid 6982] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, [pid 5069] <... unlink resumed>) = 0 [pid 6982] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] getdents64(3, [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [ 219.700843][ T6985] REISERFS (device loop1): checking transaction log (loop1) [ 219.717416][ T6985] REISERFS (device loop1): Using r5 hash to sort names [ 219.729385][ T6985] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5069] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6982] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] close(3 [pid 5074] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] rmdir("./157" [pid 5074] lstat("./162/binderfs", [pid 5072] <... rmdir resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] mkdir("./158", 0777 [pid 6985] <... mount resumed>) = 0 [pid 6982] exit_group(0 [pid 5074] unlink("./162/binderfs" [pid 5072] <... mkdir resumed>) = 0 [pid 6985] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6982] <... exit_group resumed>) = ? [pid 5074] <... unlink resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6985] <... openat resumed>) = 3 [pid 6982] +++ exited with 0 +++ [pid 5074] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 6985] chdir("./file0" [pid 5072] ioctl(3, LOOP_CLR_FD [pid 6985] <... chdir resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6982, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} --- [pid 5072] close(3 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 6985] ioctl(4, LOOP_CLR_FD [pid 5072] <... close resumed>) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 6985] <... ioctl resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6985] close(4 [pid 5073] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6985] <... close resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 6993 [pid 5071] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6985] mkdir(NULL, 000 [pid 5073] lstat("./159/file0", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6985] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 6985] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] fstat(3, [pid 5073] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6993 attached [pid 5073] <... openat resumed>) = 4 [ 219.768672][ T6985] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] getdents64(3, [pid 6993] chdir("./158" [pid 6985] <... openat resumed>) = 4 [pid 5073] fstat(4, [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 6993] <... chdir resumed>) = 0 [pid 6985] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6985] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] getdents64(4, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6993] <... prctl resumed>) = 0 [pid 6985] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] lstat("./158/binderfs", [pid 6993] setpgid(0, 0 [pid 6985] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] getdents64(4, [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6993] <... setpgid resumed>) = 0 [pid 6985] exit_group(0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] unlink("./158/binderfs" [pid 6993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6985] <... exit_group resumed>) = ? [pid 5073] close(4 [pid 5071] <... unlink resumed>) = 0 [pid 6993] <... openat resumed>) = 3 [pid 5073] <... close resumed>) = 0 [pid 5071] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6993] write(3, "1000", 4 [pid 6985] +++ exited with 0 +++ [pid 5073] rmdir("./159/file0" [pid 6993] <... write resumed>) = 4 [pid 5073] <... rmdir resumed>) = 0 [pid 6993] close(3 [pid 5073] getdents64(3, [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6985, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=10 /* 0.10 s */} --- [pid 6993] <... close resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 6993] symlink("/dev/binderfs", "./binderfs" [pid 5073] close(3 [pid 5070] <... restart_syscall resumed>) = 0 [pid 6993] <... symlink resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 6993] memfd_create("syzkaller", 0 [pid 5073] rmdir("./159" [pid 6993] <... memfd_create resumed>) = 3 [pid 5073] <... rmdir resumed>) = 0 [pid 5070] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6993] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] mkdir("./160", 0777 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6993] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... openat resumed>) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./157/binderfs") = 0 [pid 5073] <... openat resumed>) = 3 [pid 5070] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 6994 ./strace-static-x86_64: Process 6994 attached [pid 5069] <... umount2 resumed>) = 0 [pid 6994] chdir("./160") = 0 [pid 5069] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6994] <... prctl resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 6994] setpgid(0, 0 [pid 5069] lstat("./154/file0", [pid 5070] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6994] <... setpgid resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] lstat("./157/file0", [pid 5069] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6994] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6994] write(3, "1000", 4 [pid 5074] lstat("./162/file0", [pid 5070] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6994] <... write resumed>) = 4 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6994] close(3 [pid 5074] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6994] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 6994] symlink("/dev/binderfs", "./binderfs" [pid 5074] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... openat resumed>) = 4 [pid 5069] fstat(4, [pid 6994] <... symlink resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5070] fstat(4, [pid 6994] memfd_create("syzkaller", 0 [pid 5074] fstat(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6994] <... memfd_create resumed>) = 3 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] getdents64(4, [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 6994] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 6993] 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"..., 4194304 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 5070] getdents64(4, [pid 5074] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 5069] close(4 [pid 5074] close(4 [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5070] rmdir("./157/file0" [pid 5069] rmdir("./154/file0" [pid 5074] rmdir("./162/file0" [pid 5070] <... rmdir resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5074] getdents64(3, [pid 5070] getdents64(3, [pid 5069] getdents64(3, [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... close resumed>) = 0 [pid 5070] close(3 [pid 5074] rmdir("./162" [pid 5069] close(3 [pid 5070] <... close resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5074] mkdir("./163", 0777 [pid 5070] rmdir("./157" [pid 5069] rmdir("./154" [pid 5074] <... mkdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5070] mkdir("./158", 0777 [pid 5069] mkdir("./155", 0777 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] close(3 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5074] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./158/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 6995 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5070] close(3 [pid 5069] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... openat resumed>) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, ./strace-static-x86_64: Process 6995 attached [pid 6995] chdir("./163" [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 6995] <... chdir resumed>) = 0 [pid 6995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] getdents64(4, [pid 6995] <... prctl resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 6997 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 6996 ./strace-static-x86_64: Process 6997 attached [pid 6995] setpgid(0, 0 [pid 6997] chdir("./158" [pid 6995] <... setpgid resumed>) = 0 [pid 5071] close(4./strace-static-x86_64: Process 6996 attached [pid 6997] <... chdir resumed>) = 0 [pid 6995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... close resumed>) = 0 [pid 6997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6996] chdir("./155" [pid 6995] <... openat resumed>) = 3 [pid 5071] rmdir("./158/file0" [pid 6997] <... prctl resumed>) = 0 [pid 6996] <... chdir resumed>) = 0 [pid 6995] write(3, "1000", 4 [pid 5071] <... rmdir resumed>) = 0 [pid 6997] setpgid(0, 0 [pid 6996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6995] <... write resumed>) = 4 [pid 5071] getdents64(3, [pid 6997] <... setpgid resumed>) = 0 [pid 6996] <... prctl resumed>) = 0 [pid 6995] close(3 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 6997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6996] setpgid(0, 0 [pid 6995] <... close resumed>) = 0 [pid 5071] close(3 [pid 6997] <... openat resumed>) = 3 [pid 6996] <... setpgid resumed>) = 0 [pid 6995] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... close resumed>) = 0 [pid 6997] write(3, "1000", 4 [pid 6996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6995] <... symlink resumed>) = 0 [pid 5071] rmdir("./158" [pid 6997] <... write resumed>) = 4 [pid 6996] <... openat resumed>) = 3 [pid 6995] memfd_create("syzkaller", 0 [pid 5071] <... rmdir resumed>) = 0 [pid 6997] close(3 [pid 6996] write(3, "1000", 4 [pid 6995] <... memfd_create resumed>) = 3 [pid 5071] mkdir("./159", 0777 [pid 6997] <... close resumed>) = 0 [pid 6996] <... write resumed>) = 4 [pid 6995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... mkdir resumed>) = 0 [pid 6997] symlink("/dev/binderfs", "./binderfs" [pid 6996] close(3 [pid 6995] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6997] <... symlink resumed>) = 0 [pid 6996] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 6997] memfd_create("syzkaller", 0 [pid 6996] symlink("/dev/binderfs", "./binderfs" [pid 5071] ioctl(3, LOOP_CLR_FD [pid 6997] <... memfd_create resumed>) = 3 [pid 6996] <... symlink resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6997] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6996] memfd_create("syzkaller", 0 [pid 5071] close(3 [pid 6997] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 6996] <... memfd_create resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 6996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6994] 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"..., 4194304 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 6998 [pid 6996] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 6995] 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"..., 4194304./strace-static-x86_64: Process 6998 attached [pid 6998] chdir("./159") = 0 [pid 6998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6998] setpgid(0, 0) = 0 [pid 6998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6993] <... write resumed>) = 4194304 [pid 6998] write(3, "1000", 4) = 4 [pid 6993] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 6998] close(3) = 0 [pid 6998] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6997] 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"..., 4194304 [pid 6998] memfd_create("syzkaller", 0 [pid 6993] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6998] <... memfd_create resumed>) = 3 [pid 6993] <... openat resumed>) = 4 [pid 6998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6993] ioctl(4, LOOP_SET_FD, 3 [pid 6998] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 6996] 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"..., 4194304 [pid 6994] <... write resumed>) = 4194304 [pid 6993] <... ioctl resumed>) = 0 [pid 6993] close(3) = 0 [pid 6993] mkdir("./file0", 0777) = 0 [pid 6993] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6994] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 6994] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6994] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6994] close(3) = 0 [pid 6994] mkdir("./file0", 0777) = 0 [pid 6994] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6995] <... write resumed>) = 4194304 [pid 6995] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 6995] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 220.222248][ T6993] loop3: detected capacity change from 0 to 8192 [ 220.242352][ T6994] loop4: detected capacity change from 0 to 8192 [ 220.250394][ T6993] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6995] ioctl(4, LOOP_SET_FD, 3 [pid 6998] 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"..., 4194304 [pid 6995] <... ioctl resumed>) = 0 [pid 6997] <... write resumed>) = 4194304 [ 220.295870][ T6994] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.297290][ T6995] loop5: detected capacity change from 0 to 8192 [ 220.321565][ T6993] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 6996] <... write resumed>) = 4194304 [pid 6995] close(3 [pid 6997] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 6997] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6995] <... close resumed>) = 0 [pid 6996] munmap(0x7f8a1b2e3000, 4194304 [pid 6997] ioctl(4, LOOP_SET_FD, 3 [pid 6996] <... munmap resumed>) = 0 [pid 6995] mkdir("./file0", 0777 [pid 6997] <... ioctl resumed>) = 0 [pid 6997] close(3) = 0 [pid 6997] mkdir("./file0", 0777) = 0 [pid 6996] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6995] <... mkdir resumed>) = 0 [pid 6996] <... openat resumed>) = 4 [pid 6995] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6996] ioctl(4, LOOP_SET_FD, 3 [ 220.346118][ T6994] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 220.355606][ T6993] REISERFS (device loop3): using ordered data mode [ 220.362642][ T6993] reiserfs: using flush barriers [ 220.365863][ T6997] loop1: detected capacity change from 0 to 8192 [ 220.370607][ T6993] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6997] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6996] <... ioctl resumed>) = 0 [pid 6998] <... write resumed>) = 4194304 [pid 6996] close(3 [pid 6998] munmap(0x7f8a1b2e3000, 4194304 [pid 6996] <... close resumed>) = 0 [pid 6996] mkdir("./file0", 0777 [pid 6998] <... munmap resumed>) = 0 [pid 6998] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 220.392484][ T6996] loop0: detected capacity change from 0 to 8192 [ 220.394118][ T6994] REISERFS (device loop4): using ordered data mode [ 220.409057][ T6993] REISERFS (device loop3): checking transaction log (loop3) [ 220.416536][ T6994] reiserfs: using flush barriers [ 220.422136][ T6995] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.431576][ T6998] loop2: detected capacity change from 0 to 8192 [pid 6998] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6996] <... mkdir resumed>) = 0 [ 220.436400][ T6997] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.442706][ T6995] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 220.455555][ T6994] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.464195][ T6995] REISERFS (device loop5): using ordered data mode [ 220.482820][ T6993] REISERFS (device loop3): Using r5 hash to sort names [pid 6996] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6998] close(3) = 0 [ 220.488054][ T6995] reiserfs: using flush barriers [ 220.494504][ T6993] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.500463][ T6997] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 220.512343][ T6995] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.521291][ T6997] REISERFS (device loop1): using ordered data mode [pid 6998] mkdir("./file0", 0777) = 0 [pid 6993] <... mount resumed>) = 0 [pid 6993] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6993] chdir("./file0") = 0 [pid 6993] ioctl(4, LOOP_CLR_FD) = 0 [ 220.543204][ T6997] reiserfs: using flush barriers [ 220.544864][ T6996] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.553001][ T6994] REISERFS (device loop4): checking transaction log (loop4) [ 220.561361][ T6997] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.569471][ T6993] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 6993] close(4 [pid 6998] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6993] <... close resumed>) = 0 [pid 6993] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 6993] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6993] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 6993] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 6993] exit_group(0) = ? [pid 6993] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6993, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [ 220.597696][ T6994] REISERFS (device loop4): Using r5 hash to sort names [ 220.605156][ T6994] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.614429][ T6997] REISERFS (device loop1): checking transaction log (loop1) [ 220.627237][ T6996] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5072] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, [pid 6997] <... mount resumed>) = 0 [pid 6997] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6997] chdir("./file0") = 0 [pid 6997] ioctl(4, LOOP_CLR_FD) = 0 [pid 6997] close(4) = 0 [pid 6997] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 6997] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6997] <... openat resumed>) = 4 [pid 6997] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(3, [pid 6997] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 6997] exit_group(0) = ? [ 220.628330][ T6998] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 220.641275][ T6997] REISERFS (device loop1): Using r5 hash to sort names [ 220.657540][ T6997] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.659853][ T6996] REISERFS (device loop0): using ordered data mode [ 220.671145][ T6997] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 220.678268][ T6994] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 6997] +++ exited with 0 +++ [pid 5072] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6997, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 s */} --- [ 220.702414][ T6995] REISERFS (device loop5): checking transaction log (loop5) [ 220.710497][ T6998] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 220.711730][ T6995] REISERFS (device loop5): Using r5 hash to sort names [ 220.720206][ T6998] REISERFS (device loop2): using ordered data mode [ 220.733361][ T6998] reiserfs: using flush barriers [pid 5072] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./158/binderfs" [pid 5070] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6995] <... mount resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6994] <... mount resumed>) = 0 [pid 6994] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6994] chdir("./file0") = 0 [pid 6994] ioctl(4, LOOP_CLR_FD) = 0 [pid 6994] close(4) = 0 [pid 6994] mkdir(NULL, 000) = -1 EFAULT (Bad address) [ 220.739869][ T6998] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.743084][ T6995] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.756470][ T6996] reiserfs: using flush barriers [ 220.770500][ T6995] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 220.774346][ T6998] REISERFS (device loop2): checking transaction log (loop2) [pid 6994] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6994] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 6994] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 6994] exit_group(0) = ? [pid 6995] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6994] +++ exited with 0 +++ [pid 5072] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6995] <... openat resumed>) = 3 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6994, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5070] <... openat resumed>) = 3 [pid 6995] chdir("./file0") = 0 [pid 5070] fstat(3, [pid 6995] ioctl(4, LOOP_CLR_FD [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6995] <... ioctl resumed>) = 0 [pid 6995] close(4 [pid 5070] getdents64(3, [pid 6995] <... close resumed>) = 0 [pid 6995] mkdir(NULL, 000 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 6995] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6995] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6995] <... openat resumed>) = 4 [pid 5073] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] lstat("./158/binderfs", [pid 6995] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... openat resumed>) = 3 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] fstat(3, [pid 6995] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] unlink("./158/binderfs" [pid 6995] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6995] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] getdents64(3, [pid 5070] <... unlink resumed>) = 0 [ 220.785978][ T6996] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 220.816656][ T6996] REISERFS (device loop0): checking transaction log (loop0) [ 220.825574][ T6998] REISERFS (device loop2): Using r5 hash to sort names [ 220.836375][ T6996] REISERFS (device loop0): Using r5 hash to sort names [pid 6995] exit_group(0) = ? [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6995] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6995, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5073] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./160/binderfs" [pid 6998] <... mount resumed>) = 0 [pid 5073] <... unlink resumed>) = 0 [pid 5074] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, [pid 6998] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 6998] <... openat resumed>) = 3 [pid 5074] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6998] chdir("./file0" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6998] <... chdir resumed>) = 0 [pid 5074] lstat("./163/binderfs", [pid 6998] ioctl(4, LOOP_CLR_FD) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6998] close(4 [pid 5074] unlink("./163/binderfs") = 0 [ 220.843986][ T6998] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.860272][ T6996] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 220.874925][ T6998] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 220.879000][ T6996] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6998] <... close resumed>) = 0 [pid 6998] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 6998] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6998] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 6998] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 6998] exit_group(0) = ? [pid 6998] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6998, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5071] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./159/binderfs") = 0 [pid 5071] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6996] <... mount resumed>) = 0 [pid 6996] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6996] chdir("./file0") = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 6996] ioctl(4, LOOP_CLR_FD) = 0 [pid 6996] close(4) = 0 [pid 6996] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 6996] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 6996] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 6996] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 6996] exit_group(0) = ? [pid 6996] +++ exited with 0 +++ [pid 5072] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6996, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./158/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 4 [pid 5069] fstat(3, [pid 5072] fstat(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, [pid 5072] getdents64(4, [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = 0 [pid 5072] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] lstat("./155/binderfs", [pid 5072] close(4 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... close resumed>) = 0 [pid 5069] unlink("./155/binderfs" [pid 5072] rmdir("./158/file0") = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5072] getdents64(3, [pid 5069] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5072] close(3 [pid 5070] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] rmdir("./158" [pid 5070] lstat("./158/file0", [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] mkdir("./159", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7005 [pid 5073] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] lstat("./160/file0", [pid 5070] fstat(4, [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] getdents64(4, ./strace-static-x86_64: Process 7005 attached [pid 5073] <... openat resumed>) = 4 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7005] chdir("./159" [pid 5073] fstat(4, [pid 5070] getdents64(4, [pid 7005] <... chdir resumed>) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] getdents64(4, [pid 5070] close(4 [pid 7005] <... prctl resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7005] setpgid(0, 0 [pid 5073] getdents64(4, [pid 7005] <... setpgid resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] close(4 [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./158/file0" [pid 5073] <... close resumed>) = 0 [pid 7005] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = 0 [pid 5073] rmdir("./160/file0" [pid 5070] <... rmdir resumed>) = 0 [pid 7005] write(3, "1000", 4 [pid 5073] <... rmdir resumed>) = 0 [pid 7005] <... write resumed>) = 4 [pid 5073] getdents64(3, [pid 5070] getdents64(3, [pid 7005] close(3 [pid 5074] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7005] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] close(3 [pid 5071] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(3 [pid 7005] symlink("/dev/binderfs", "./binderfs" [pid 5074] lstat("./163/file0", [pid 5073] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 7005] <... symlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] rmdir("./160" [pid 5071] lstat("./159/file0", [pid 5070] rmdir("./158" [pid 5074] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... rmdir resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 7005] memfd_create("syzkaller", 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] mkdir("./161", 0777 [pid 5071] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] mkdir("./159", 0777 [pid 7005] <... memfd_create resumed>) = 3 [pid 5074] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... mkdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... mkdir resumed>) = 0 [pid 7005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... openat resumed>) = 4 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5071] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7005] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] fstat(4, [pid 5073] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 4 [pid 5070] <... openat resumed>) = 3 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] fstat(4, [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5074] getdents64(4, [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7006 ./strace-static-x86_64: Process 7006 attached [pid 7006] chdir("./161" [pid 5074] getdents64(4, [pid 5071] getdents64(4, [pid 5070] close(3 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5071] getdents64(4, [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] rmdir("./163/file0" [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5071] close(4 [pid 5074] getdents64(3, [pid 5071] <... close resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7007 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] rmdir("./159/file0" [pid 5074] close(3 [pid 7006] <... chdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 7006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] rmdir("./163" [pid 7006] <... prctl resumed>) = 0 [pid 5071] getdents64(3, [pid 7006] setpgid(0, 0 [pid 5074] <... rmdir resumed>) = 0 [pid 7006] <... setpgid resumed>) = 0 [pid 5074] mkdir("./164", 0777 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... mkdir resumed>) = 0 [pid 5071] close(3./strace-static-x86_64: Process 7007 attached [pid 7006] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... close resumed>) = 0 [pid 7007] chdir("./159" [pid 7006] write(3, "1000", 4 [pid 5074] <... openat resumed>) = 3 [pid 5071] rmdir("./159" [pid 7007] <... chdir resumed>) = 0 [pid 7006] <... write resumed>) = 4 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 7007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7006] close(3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... rmdir resumed>) = 0 [pid 7007] <... prctl resumed>) = 0 [pid 7006] <... close resumed>) = 0 [pid 5074] close(3 [pid 5071] mkdir("./160", 0777 [pid 7007] setpgid(0, 0 [pid 7006] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... close resumed>) = 0 [pid 7007] <... setpgid resumed>) = 0 [pid 7006] <... symlink resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... mkdir resumed>) = 0 [pid 7007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7006] memfd_create("syzkaller", 0 [pid 7007] <... openat resumed>) = 3 [pid 7006] <... memfd_create resumed>) = 3 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7007] write(3, "1000", 4 [pid 7006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7008 [pid 7007] <... write resumed>) = 4 [pid 7006] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7008 attached [pid 7007] close(3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7008] chdir("./164" [pid 7007] <... close resumed>) = 0 [pid 7008] <... chdir resumed>) = 0 [pid 7007] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7007] <... symlink resumed>) = 0 [pid 5071] close(3 [pid 7008] <... prctl resumed>) = 0 [pid 7007] memfd_create("syzkaller", 0 [pid 7008] setpgid(0, 0 [pid 7007] <... memfd_create resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 7008] <... setpgid resumed>) = 0 [pid 7007] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7007] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7008] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7009 attached [pid 7009] chdir("./160" [pid 7008] write(3, "1000", 4 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7009 [pid 7008] <... write resumed>) = 4 [pid 5069] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7008] close(3 [pid 7009] <... chdir resumed>) = 0 [pid 7008] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7008] symlink("/dev/binderfs", "./binderfs" [pid 5069] lstat("./155/file0", [pid 7009] <... prctl resumed>) = 0 [pid 7008] <... symlink resumed>) = 0 [pid 7009] setpgid(0, 0 [pid 7008] memfd_create("syzkaller", 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7009] <... setpgid resumed>) = 0 [pid 7008] <... memfd_create resumed>) = 3 [pid 5069] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7009] <... openat resumed>) = 3 [pid 7008] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7009] write(3, "1000", 4) = 4 [pid 7009] close(3) = 0 [pid 7009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7009] memfd_create("syzkaller", 0 [pid 7005] 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"..., 4194304 [pid 7009] <... memfd_create resumed>) = 3 [pid 5069] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7009] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5069] <... openat resumed>) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./155/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./155") = 0 [pid 5069] mkdir("./156", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7006] 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"..., 4194304 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7010 [pid 7008] 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"..., 4194304./strace-static-x86_64: Process 7010 attached [pid 7007] 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"..., 4194304 [pid 7010] chdir("./156") = 0 [pid 7010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7010] setpgid(0, 0) = 0 [pid 7010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7009] 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"..., 4194304 [pid 7010] <... openat resumed>) = 3 [pid 7010] write(3, "1000", 4) = 4 [pid 7010] close(3) = 0 [pid 7010] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7010] memfd_create("syzkaller", 0) = 3 [pid 7010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7005] <... write resumed>) = 4194304 [pid 7005] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7010] 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"..., 4194304 [pid 7009] <... write resumed>) = 4194304 [pid 7008] <... write resumed>) = 4194304 [pid 7006] <... write resumed>) = 4194304 [pid 7005] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7008] munmap(0x7f8a1b2e3000, 4194304 [pid 7007] <... write resumed>) = 4194304 [pid 7006] munmap(0x7f8a1b2e3000, 4194304 [pid 7005] <... openat resumed>) = 4 [pid 7009] munmap(0x7f8a1b2e3000, 4194304 [pid 7008] <... munmap resumed>) = 0 [pid 7007] munmap(0x7f8a1b2e3000, 4194304 [pid 7006] <... munmap resumed>) = 0 [pid 7005] ioctl(4, LOOP_SET_FD, 3 [pid 7009] <... munmap resumed>) = 0 [pid 7008] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7007] <... munmap resumed>) = 0 [pid 7006] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7009] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7008] <... openat resumed>) = 4 [pid 7007] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7006] <... openat resumed>) = 4 [pid 7005] <... ioctl resumed>) = 0 [pid 7009] <... openat resumed>) = 4 [pid 7008] ioctl(4, LOOP_SET_FD, 3 [pid 7007] <... openat resumed>) = 4 [pid 7006] ioctl(4, LOOP_SET_FD, 3 [pid 7005] close(3 [pid 7009] ioctl(4, LOOP_SET_FD, 3 [pid 7007] ioctl(4, LOOP_SET_FD, 3 [pid 7005] <... close resumed>) = 0 [pid 7008] <... ioctl resumed>) = 0 [pid 7007] <... ioctl resumed>) = 0 [pid 7005] mkdir("./file0", 0777 [pid 7007] close(3 [pid 7005] <... mkdir resumed>) = 0 [pid 7007] <... close resumed>) = 0 [pid 7005] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7007] mkdir("./file0", 0777) = 0 [pid 7007] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7006] <... ioctl resumed>) = 0 [pid 7006] close(3) = 0 [pid 7006] mkdir("./file0", 0777) = 0 [pid 7006] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7008] close(3) = 0 [pid 7008] mkdir("./file0", 0777 [pid 7009] <... ioctl resumed>) = 0 [ 221.412644][ T7005] loop3: detected capacity change from 0 to 8192 [ 221.424982][ T7008] loop5: detected capacity change from 0 to 8192 [ 221.425389][ T7006] loop4: detected capacity change from 0 to 8192 [ 221.439331][ T7007] loop1: detected capacity change from 0 to 8192 [ 221.439331][ T7009] loop2: detected capacity change from 0 to 8192 [pid 7010] <... write resumed>) = 4194304 [pid 7009] close(3 [pid 7008] <... mkdir resumed>) = 0 [pid 7008] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7009] <... close resumed>) = 0 [pid 7009] mkdir("./file0", 0777) = 0 [pid 7009] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7010] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7010] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7010] ioctl(4, LOOP_SET_FD, 3) = 0 [ 221.456940][ T7007] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.470479][ T7005] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.473474][ T7010] loop0: detected capacity change from 0 to 8192 [ 221.484502][ T7006] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.490188][ T7007] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7010] close(3) = 0 [ 221.507489][ T7005] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 221.519143][ T7006] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 221.531093][ T7005] REISERFS (device loop3): using ordered data mode [ 221.533429][ T7007] REISERFS (device loop1): using ordered data mode [ 221.537707][ T7005] reiserfs: using flush barriers [ 221.538815][ T7006] REISERFS (device loop4): using ordered data mode [pid 7010] mkdir("./file0", 0777) = 0 [ 221.552924][ T7008] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.557033][ T7005] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.569370][ T7009] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.591588][ T7007] reiserfs: using flush barriers [ 221.600612][ T7009] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 221.606053][ T7010] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 221.614294][ T7009] REISERFS (device loop2): using ordered data mode [ 221.633865][ T7009] reiserfs: using flush barriers [ 221.640054][ T7006] reiserfs: using flush barriers [ 221.643593][ T7009] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.646425][ T7005] REISERFS (device loop3): checking transaction log (loop3) [ 221.662084][ T7006] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.669574][ T7005] REISERFS (device loop3): Using r5 hash to sort names [ 221.686886][ T7008] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 221.691870][ T7005] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7010] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7005] <... mount resumed>) = 0 [pid 7005] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 221.703255][ T7007] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.713630][ T7005] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 221.714023][ T7010] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 221.732858][ T7008] REISERFS (device loop5): using ordered data mode [ 221.739203][ T7010] REISERFS (device loop0): using ordered data mode [pid 7005] chdir("./file0") = 0 [pid 7005] ioctl(4, LOOP_CLR_FD) = 0 [pid 7005] close(4) = 0 [ 221.761483][ T7010] reiserfs: using flush barriers [ 221.763713][ T7006] REISERFS (device loop4): checking transaction log (loop4) [ 221.767974][ T7010] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.776686][ T7009] REISERFS (device loop2): checking transaction log (loop2) [ 221.790741][ T7010] REISERFS (device loop0): checking transaction log (loop0) [pid 7005] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7005] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 221.808874][ T7006] REISERFS (device loop4): Using r5 hash to sort names [ 221.819254][ T7009] REISERFS (device loop2): Using r5 hash to sort names [ 221.826610][ T7010] REISERFS (device loop0): Using r5 hash to sort names [ 221.829956][ T7006] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 221.834768][ T7010] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7005] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7005] mount(NULL, "./bus", NULL, 0, NULL [pid 7006] <... mount resumed>) = 0 [pid 7006] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7009] <... mount resumed>) = 0 [pid 7006] chdir("./file0") = 0 [pid 7006] ioctl(4, LOOP_CLR_FD [pid 7009] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7005] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7006] <... ioctl resumed>) = 0 [ 221.857890][ T7009] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 221.863473][ T7007] REISERFS (device loop1): checking transaction log (loop1) [ 221.874493][ T7009] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 221.879813][ T7008] reiserfs: using flush barriers [ 221.890377][ T7006] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 221.896493][ T7010] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7009] <... openat resumed>) = 3 [pid 7006] close(4) = 0 [pid 7009] chdir("./file0" [pid 7006] mkdir(NULL, 000 [pid 7009] <... chdir resumed>) = 0 [pid 7006] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7009] ioctl(4, LOOP_CLR_FD [pid 7006] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7009] <... ioctl resumed>) = 0 [pid 7006] <... openat resumed>) = 4 [pid 7009] close(4) = 0 [pid 7006] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7009] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7006] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7009] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7006] mount(NULL, "./bus", NULL, 0, NULL [pid 7009] <... openat resumed>) = 4 [pid 7006] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7009] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7006] exit_group(0 [pid 7009] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7006] <... exit_group resumed>) = ? [pid 7009] mount(NULL, "./bus", NULL, 0, NULL [pid 7006] +++ exited with 0 +++ [pid 7009] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7006, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} --- [pid 7009] exit_group(0 [pid 7005] exit_group(0 [pid 7009] <... exit_group resumed>) = ? [pid 7009] +++ exited with 0 +++ [pid 5073] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7009, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5073] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5073] <... openat resumed>) = 3 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, [pid 5071] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7005] <... exit_group resumed>) = ? [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7005] +++ exited with 0 +++ [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 3 [pid 5073] lstat("./161/binderfs", [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7005, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5071] fstat(3, [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] unlink("./161/binderfs" [pid 5071] getdents64(3, [pid 5073] <... unlink resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./160/binderfs", [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] unlink("./160/binderfs" [pid 5072] <... openat resumed>) = 3 [pid 5071] <... unlink resumed>) = 0 [pid 5072] fstat(3, [pid 5071] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./159/binderfs") = 0 [pid 5072] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7010] <... mount resumed>) = 0 [pid 7010] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7010] chdir("./file0") = 0 [ 221.913275][ T7008] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 221.937593][ T7007] REISERFS (device loop1): Using r5 hash to sort names [pid 7010] ioctl(4, LOOP_CLR_FD) = 0 [pid 7010] close(4) = 0 [pid 7010] mkdir(NULL, 000) = -1 EFAULT (Bad address) [ 221.951939][ T7007] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 221.976668][ T7008] REISERFS (device loop5): checking transaction log (loop5) [pid 7010] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7010] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7010] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7010] exit_group(0 [pid 5073] <... umount2 resumed>) = 0 [pid 7010] <... exit_group resumed>) = ? [pid 7010] +++ exited with 0 +++ [pid 5073] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7010, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] lstat("./161/file0", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(3, [pid 5073] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] <... openat resumed>) = 4 [pid 5069] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] fstat(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./156/binderfs", [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./156/binderfs" [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, [pid 5069] <... unlink resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4 [pid 5069] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = 0 [pid 5073] rmdir("./161/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./161") = 0 [pid 5073] mkdir("./162", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = 0 [ 222.007422][ T7007] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 222.039569][ T7008] REISERFS (device loop5): Using r5 hash to sort names [pid 5073] close(3 [pid 7007] <... mount resumed>) = 0 [pid 7007] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7007] chdir("./file0") = 0 [pid 7007] ioctl(4, LOOP_CLR_FD) = 0 [pid 7007] close(4) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 7007] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7007] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7007] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = 0 [pid 7007] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7007] exit_group(0) = ? [pid 7007] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7007, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5070] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./159/file0", [pid 5070] lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] unlink("./159/binderfs" [pid 5072] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... unlink resumed>) = 0 [ 222.086723][ T7008] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5070] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7008] <... mount resumed>) = 0 [pid 5071] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7008] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7018 attached [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7008] <... openat resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7018 [pid 7008] chdir("./file0" [pid 5072] fstat(4, [pid 5071] lstat("./160/file0", [pid 7008] <... chdir resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7018] chdir("./162" [pid 7008] ioctl(4, LOOP_CLR_FD [pid 5072] getdents64(4, [pid 5071] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7008] <... ioctl resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7008] close(4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7008] <... close resumed>) = 0 [pid 7018] <... chdir resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5072] getdents64(4, [pid 7008] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] fstat(4, [pid 7008] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] close(4 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7018] setpgid(0, 0 [pid 7008] <... openat resumed>) = 4 [pid 5072] <... close resumed>) = 0 [pid 5071] getdents64(4, [pid 7008] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] rmdir("./159/file0" [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7018] <... setpgid resumed>) = 0 [pid 7008] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... rmdir resumed>) = 0 [pid 5071] getdents64(4, [pid 7018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7008] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] getdents64(3, [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7008] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(4 [pid 7008] exit_group(0 [pid 5072] close(3 [pid 7008] <... exit_group resumed>) = ? [pid 5071] <... close resumed>) = 0 [pid 7018] <... openat resumed>) = 3 [pid 7008] +++ exited with 0 +++ [pid 5072] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7018] write(3, "1000", 4) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7008, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5072] rmdir("./159" [pid 5071] rmdir("./160/file0" [pid 7018] close(3 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 7018] <... close resumed>) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 7018] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 7018] memfd_create("syzkaller", 0 [pid 5074] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 7018] <... memfd_create resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] mkdir("./160", 0777 [pid 7018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(3, [pid 7018] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... openat resumed>) = 3 [pid 5074] fstat(3, [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 222.136398][ T7008] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] close(3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./164/binderfs", [pid 5072] <... openat resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./164/binderfs" [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] rmdir("./160" [pid 5074] <... unlink resumed>) = 0 [pid 5074] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./156/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./156/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./156") = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] mkdir("./157", 0777) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] close(3 [pid 5071] mkdir("./161", 0777 [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5072] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... mkdir resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7020 [pid 5071] <... openat resumed>) = 3 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7021 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7022 ./strace-static-x86_64: Process 7022 attached ./strace-static-x86_64: Process 7021 attached ./strace-static-x86_64: Process 7020 attached [pid 7018] 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"..., 4194304 [pid 7022] chdir("./161" [pid 7020] chdir("./157") = 0 [pid 7021] chdir("./160") = 0 [pid 7022] <... chdir resumed>) = 0 [pid 7020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7020] <... prctl resumed>) = 0 [pid 7022] <... prctl resumed>) = 0 [pid 7021] <... prctl resumed>) = 0 [pid 7020] setpgid(0, 0 [pid 7022] setpgid(0, 0 [pid 7021] setpgid(0, 0) = 0 [pid 7022] <... setpgid resumed>) = 0 [pid 7021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7020] <... setpgid resumed>) = 0 [pid 7021] <... openat resumed>) = 3 [pid 7020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7022] <... openat resumed>) = 3 [pid 7021] write(3, "1000", 4 [pid 7022] write(3, "1000", 4 [pid 7021] <... write resumed>) = 4 [pid 7022] <... write resumed>) = 4 [pid 7021] close(3 [pid 7022] close(3 [pid 7021] <... close resumed>) = 0 [pid 7022] <... close resumed>) = 0 [pid 7021] symlink("/dev/binderfs", "./binderfs" [pid 7022] symlink("/dev/binderfs", "./binderfs" [pid 7021] <... symlink resumed>) = 0 [pid 7020] <... openat resumed>) = 3 [pid 7022] <... symlink resumed>) = 0 [pid 7021] memfd_create("syzkaller", 0 [pid 7022] memfd_create("syzkaller", 0 [pid 7020] write(3, "1000", 4) = 4 [pid 7020] close(3 [pid 7022] <... memfd_create resumed>) = 3 [pid 7020] <... close resumed>) = 0 [pid 7022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7021] <... memfd_create resumed>) = 3 [pid 7020] symlink("/dev/binderfs", "./binderfs" [pid 7022] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7020] <... symlink resumed>) = 0 [pid 7021] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7020] memfd_create("syzkaller", 0 [pid 5070] <... umount2 resumed>) = 0 [pid 7020] <... memfd_create resumed>) = 3 [pid 7020] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5070] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./159/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./159/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./159") = 0 [pid 5070] mkdir("./160", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7023 ./strace-static-x86_64: Process 7023 attached [pid 7023] chdir("./160") = 0 [pid 7023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7023] setpgid(0, 0) = 0 [pid 7023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7023] write(3, "1000", 4) = 4 [pid 7023] close(3) = 0 [pid 7023] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7023] memfd_create("syzkaller", 0) = 3 [pid 7023] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7021] 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"..., 4194304 [pid 7020] 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"..., 4194304 [pid 7023] 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"..., 4194304 [pid 7022] 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"..., 4194304 [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./164/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./164/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./164") = 0 [pid 7018] <... write resumed>) = 4194304 [pid 5074] mkdir("./165", 0777 [pid 7018] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 7018] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 7018] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 7018] close(3) = 0 [pid 7018] mkdir("./file0", 0777) = 0 [pid 7018] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7025 ./strace-static-x86_64: Process 7025 attached [pid 7025] chdir("./165") = 0 [pid 7025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7020] <... write resumed>) = 4194304 [pid 7025] setpgid(0, 0) = 0 [ 222.458400][ T7018] loop4: detected capacity change from 0 to 8192 [ 222.483665][ T7018] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7020] munmap(0x7f8a1b2e3000, 4194304 [pid 7025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7025] write(3, "1000", 4 [pid 7020] <... munmap resumed>) = 0 [pid 7025] <... write resumed>) = 4 [pid 7020] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7025] close(3 [pid 7023] <... write resumed>) = 4194304 [pid 7021] <... write resumed>) = 4194304 [pid 7020] <... openat resumed>) = 4 [pid 7023] munmap(0x7f8a1b2e3000, 4194304 [pid 7021] munmap(0x7f8a1b2e3000, 4194304 [pid 7020] ioctl(4, LOOP_SET_FD, 3 [pid 7025] <... close resumed>) = 0 [pid 7023] <... munmap resumed>) = 0 [pid 7021] <... munmap resumed>) = 0 [pid 7025] symlink("/dev/binderfs", "./binderfs" [pid 7021] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7025] <... symlink resumed>) = 0 [pid 7021] <... openat resumed>) = 4 [ 222.507355][ T7018] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 222.517214][ T7018] REISERFS (device loop4): using ordered data mode [ 222.523943][ T7018] reiserfs: using flush barriers [ 222.532799][ T7018] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.544640][ T7020] loop0: detected capacity change from 0 to 8192 [pid 7025] memfd_create("syzkaller", 0 [pid 7023] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7021] ioctl(4, LOOP_SET_FD, 3 [pid 7020] <... ioctl resumed>) = 0 [pid 7025] <... memfd_create resumed>) = 3 [pid 7023] <... openat resumed>) = 4 [pid 7022] <... write resumed>) = 4194304 [pid 7020] close(3 [pid 7023] ioctl(4, LOOP_SET_FD, 3 [pid 7022] munmap(0x7f8a1b2e3000, 4194304 [pid 7020] <... close resumed>) = 0 [pid 7025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7022] <... munmap resumed>) = 0 [pid 7020] mkdir("./file0", 0777 [pid 7023] <... ioctl resumed>) = 0 [pid 7022] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7021] <... ioctl resumed>) = 0 [pid 7020] <... mkdir resumed>) = 0 [pid 7023] close(3 [pid 7022] <... openat resumed>) = 4 [pid 7021] close(3 [pid 7020] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7023] <... close resumed>) = 0 [pid 7022] ioctl(4, LOOP_SET_FD, 3 [pid 7021] <... close resumed>) = 0 [ 222.560976][ T7018] REISERFS (device loop4): checking transaction log (loop4) [ 222.563638][ T7021] loop3: detected capacity change from 0 to 8192 [ 222.575955][ T7018] REISERFS (device loop4): Using r5 hash to sort names [ 222.577423][ T7023] loop1: detected capacity change from 0 to 8192 [ 222.597929][ T7018] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7023] mkdir("./file0", 0777 [pid 7025] 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"..., 4194304 [pid 7023] <... mkdir resumed>) = 0 [pid 7022] <... ioctl resumed>) = 0 [pid 7021] mkdir("./file0", 0777 [pid 7023] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7021] <... mkdir resumed>) = 0 [pid 7021] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7018] <... mount resumed>) = 0 [ 222.614452][ T7022] loop2: detected capacity change from 0 to 8192 [ 222.615979][ T7018] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 222.631426][ T7020] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 222.646332][ T7023] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7018] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7025] <... write resumed>) = 4194304 [pid 7022] close(3 [pid 7018] <... openat resumed>) = 3 [pid 7025] munmap(0x7f8a1b2e3000, 4194304 [pid 7022] <... close resumed>) = 0 [pid 7018] chdir("./file0" [pid 7025] <... munmap resumed>) = 0 [pid 7022] mkdir("./file0", 0777 [pid 7018] <... chdir resumed>) = 0 [ 222.660663][ T7020] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 222.661555][ T7023] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 222.670650][ T7020] REISERFS (device loop0): using ordered data mode [ 222.682029][ T7023] REISERFS (device loop1): using ordered data mode [ 222.687060][ T7020] reiserfs: using flush barriers [ 222.692914][ T7021] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7025] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7022] <... mkdir resumed>) = 0 [pid 7018] ioctl(4, LOOP_CLR_FD [pid 7025] <... openat resumed>) = 4 [pid 7022] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7018] <... ioctl resumed>) = 0 [pid 7025] ioctl(4, LOOP_SET_FD, 3 [pid 7018] close(4) = 0 [pid 7025] <... ioctl resumed>) = 0 [pid 7018] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7018] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7018] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7018] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7018] exit_group(0) = ? [pid 7018] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7018, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [ 222.711200][ T7020] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.730395][ T7023] reiserfs: using flush barriers [ 222.737195][ T7025] loop5: detected capacity change from 0 to 8192 [ 222.744903][ T7022] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5073] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7025] close(3 [pid 5073] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7025] <... close resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7025] mkdir("./file0", 0777 [pid 5073] lstat("./162/binderfs", [pid 7025] <... mkdir resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7025] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] unlink("./162/binderfs") = 0 [ 222.755436][ T7021] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 222.764589][ T7022] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 222.776715][ T7022] REISERFS (device loop2): using ordered data mode [ 222.783400][ T7022] reiserfs: using flush barriers [ 222.783600][ T7023] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.806657][ T7022] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.808814][ T7023] REISERFS (device loop1): checking transaction log (loop1) [ 222.830355][ T7021] REISERFS (device loop3): using ordered data mode [ 222.832071][ T7020] REISERFS (device loop0): checking transaction log (loop0) [ 222.844322][ T7021] reiserfs: using flush barriers [ 222.846725][ T7022] REISERFS (device loop2): checking transaction log (loop2) [ 222.851772][ T7021] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.859138][ T7025] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 222.873548][ T7021] REISERFS (device loop3): checking transaction log (loop3) [ 222.886806][ T7023] REISERFS (device loop1): Using r5 hash to sort names [ 222.894013][ T7025] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 222.902730][ T7020] REISERFS (device loop0): Using r5 hash to sort names [ 222.909769][ T7025] REISERFS (device loop5): using ordered data mode [ 222.918115][ T7022] REISERFS (device loop2): Using r5 hash to sort names [ 222.923085][ T7025] reiserfs: using flush barriers [ 222.929866][ T7021] REISERFS (device loop3): Using r5 hash to sort names [ 222.936422][ T7023] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.942657][ T7025] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 222.955577][ T7023] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 222.983941][ T7021] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 222.985209][ T7020] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7023] <... mount resumed>) = 0 [pid 7023] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7023] chdir("./file0") = 0 [pid 7023] ioctl(4, LOOP_CLR_FD) = 0 [pid 7023] close(4) = 0 [pid 7023] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7023] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7023] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7021] <... mount resumed>) = 0 [pid 7023] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7023] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7023] exit_group(0) = ? [pid 7023] +++ exited with 0 +++ [pid 7021] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7023, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 7021] <... openat resumed>) = 3 [pid 7021] chdir("./file0") = 0 [pid 7021] ioctl(4, LOOP_CLR_FD [pid 5070] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7021] <... ioctl resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7021] close(4) = 0 [pid 5070] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7021] mkdir(NULL, 000 [pid 5070] <... openat resumed>) = 3 [pid 7020] <... mount resumed>) = 0 [pid 7021] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] fstat(3, [pid 7021] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7020] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7021] <... openat resumed>) = 4 [pid 5070] getdents64(3, [pid 7021] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7020] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [ 222.997217][ T7021] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 223.021153][ T7020] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 223.032025][ T7022] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7021] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7020] chdir("./file0" [pid 5070] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7021] mount(NULL, "./bus", NULL, 0, NULL [pid 7022] <... mount resumed>) = 0 [pid 7021] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7020] <... chdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7021] exit_group(0 [pid 7020] ioctl(4, LOOP_CLR_FD [pid 7022] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7021] <... exit_group resumed>) = ? [pid 5070] lstat("./160/binderfs", [pid 7020] <... ioctl resumed>) = 0 [pid 7021] +++ exited with 0 +++ [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7020] close(4 [pid 5070] unlink("./160/binderfs" [pid 7020] <... close resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7021, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- [pid 5070] <... unlink resumed>) = 0 [pid 7020] mkdir(NULL, 000 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5070] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7022] <... openat resumed>) = 3 [pid 7020] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5072] <... restart_syscall resumed>) = 0 [pid 7022] chdir("./file0" [pid 7020] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... umount2 resumed>) = 0 [pid 7020] <... openat resumed>) = 4 [pid 7020] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7020] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7022] <... chdir resumed>) = 0 [pid 7020] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 7022] ioctl(4, LOOP_CLR_FD [pid 7020] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] fstat(3, [pid 7020] exit_group(0 [pid 7022] <... ioctl resumed>) = 0 [pid 7020] <... exit_group resumed>) = ? [pid 5073] lstat("./162/file0", [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7020] +++ exited with 0 +++ [pid 5072] getdents64(3, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7020, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7022] close(4 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7022] <... close resumed>) = 0 [pid 5073] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] lstat("./160/binderfs", [pid 5069] <... openat resumed>) = 3 [pid 7022] mkdir(NULL, 000 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] fstat(3, [pid 7022] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] unlink("./160/binderfs" [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./157/binderfs" [pid 7022] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] <... unlink resumed>) = 0 [pid 5073] <... openat resumed>) = 4 [pid 5069] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7022] <... openat resumed>) = 4 [pid 5073] fstat(4, [pid 5072] <... unlink resumed>) = 0 [pid 7022] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] getdents64(4, [pid 7022] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [ 223.066423][ T7022] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 223.101480][ T7025] REISERFS (device loop5): checking transaction log (loop5) [pid 7022] exit_group(0 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7022] <... exit_group resumed>) = ? [pid 5073] close(4) = 0 [pid 7022] +++ exited with 0 +++ [pid 5073] rmdir("./162/file0" [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./157/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./157/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./157") = 0 [pid 5069] mkdir("./158", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = 0 [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7032 [pid 5073] <... rmdir resumed>) = 0 [pid 5073] getdents64(3, [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7022, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7032 attached [pid 7032] chdir("./158" [pid 5073] close(3 [pid 7032] <... chdir resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5071] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] rmdir("./162" [pid 7032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7032] <... prctl resumed>) = 0 [pid 7025] <... mount resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 7032] setpgid(0, 0 [pid 7025] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] mkdir("./163", 0777 [pid 5071] fstat(3, [pid 7032] <... setpgid resumed>) = 0 [pid 7025] <... openat resumed>) = 3 [pid 5073] <... mkdir resumed>) = 0 [pid 7032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7025] chdir("./file0" [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7032] <... openat resumed>) = 3 [pid 7025] <... chdir resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5071] getdents64(3, [pid 7032] write(3, "1000", 4 [pid 7025] ioctl(4, LOOP_CLR_FD [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7025] <... ioctl resumed>) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 7032] <... write resumed>) = 4 [pid 7025] close(4 [ 223.135467][ T7025] REISERFS (device loop5): Using r5 hash to sort names [ 223.146688][ T7025] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.170478][ T7025] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7032] close(3 [pid 7025] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./161/binderfs", [pid 7032] <... close resumed>) = 0 [pid 5073] close(3 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7025] mkdir(NULL, 000 [pid 5073] <... close resumed>) = 0 [pid 7032] symlink("/dev/binderfs", "./binderfs" [pid 7025] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] unlink("./161/binderfs" [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7032] <... symlink resumed>) = 0 [pid 7025] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5071] <... unlink resumed>) = 0 [pid 5071] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7032] memfd_create("syzkaller", 0 [pid 7025] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7032] <... memfd_create resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7035 [pid 7032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7025] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7025] mount(NULL, "./bus", NULL, 0, NULL [pid 7032] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7025] <... mount resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 7035 attached [pid 7035] chdir("./163") = 0 [pid 7035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7035] setpgid(0, 0) = 0 [pid 7035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7025] exit_group(0) = ? [pid 7035] <... openat resumed>) = 3 [pid 7025] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7025, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 7035] write(3, "1000", 4) = 4 [pid 5074] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7035] close(3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7035] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, [pid 7035] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7035] <... symlink resumed>) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7035] memfd_create("syzkaller", 0 [pid 5074] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7035] <... memfd_create resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] lstat("./165/binderfs", [pid 7035] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./165/binderfs") = 0 [pid 5074] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./160/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] <... umount2 resumed>) = 0 [pid 5070] getdents64(4, [pid 5074] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] close(4 [pid 5074] lstat("./165/file0", [pid 5070] <... close resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] rmdir("./160/file0" [pid 5074] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 5074] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5074] fstat(4, [pid 5070] close(3 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 5072] lstat("./160/file0", [pid 5070] rmdir("./160" [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] mkdir("./161", 0777 [pid 7032] 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"..., 4194304 [pid 5074] close(4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... mkdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] <... openat resumed>) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] rmdir("./165/file0" [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... openat resumed>) = 3 [pid 5074] <... rmdir resumed>) = 0 [pid 5072] getdents64(4, [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./160/file0" [pid 5074] getdents64(3, [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] getdents64(3, [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5072] close(3) = 0 [pid 7035] 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"..., 4194304 [pid 5074] close(3 [pid 5072] rmdir("./160" [pid 5070] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] rmdir("./165" [pid 5072] mkdir("./161", 0777 [pid 5074] <... rmdir resumed>) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5074] mkdir("./166", 0777 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7036 [pid 5074] <... mkdir resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5074] <... openat resumed>) = 3 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5072] close(3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] close(3) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7037 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7038 ./strace-static-x86_64: Process 7037 attached [pid 7037] chdir("./161") = 0 [pid 7037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7038 attached ./strace-static-x86_64: Process 7036 attached [pid 7037] setpgid(0, 0 [pid 5071] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7037] <... setpgid resumed>) = 0 [pid 7037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7037] write(3, "1000", 4) = 4 [pid 7037] close(3) = 0 [pid 7037] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7038] chdir("./166" [pid 7037] memfd_create("syzkaller", 0 [pid 7038] <... chdir resumed>) = 0 [pid 7037] <... memfd_create resumed>) = 3 [pid 7036] chdir("./161" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7036] <... chdir resumed>) = 0 [pid 5071] lstat("./161/file0", [pid 7038] <... prctl resumed>) = 0 [pid 7037] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7038] setpgid(0, 0 [pid 7036] <... prctl resumed>) = 0 [pid 5071] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7038] <... setpgid resumed>) = 0 [pid 7036] setpgid(0, 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7036] <... setpgid resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] fstat(4, [pid 7038] <... openat resumed>) = 3 [pid 7036] <... openat resumed>) = 3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7038] write(3, "1000", 4) = 4 [pid 7036] write(3, "1000", 4 [pid 7032] <... write resumed>) = 4194304 [pid 5071] getdents64(4, [pid 7038] close(3 [pid 7036] <... write resumed>) = 4 [pid 7032] munmap(0x7f8a1b2e3000, 4194304 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7038] <... close resumed>) = 0 [pid 7036] close(3 [pid 7038] symlink("/dev/binderfs", "./binderfs" [pid 5071] getdents64(4, [pid 7036] <... close resumed>) = 0 [pid 7038] <... symlink resumed>) = 0 [pid 7036] symlink("/dev/binderfs", "./binderfs" [pid 7032] <... munmap resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7036] <... symlink resumed>) = 0 [pid 5071] close(4 [pid 7038] memfd_create("syzkaller", 0 [pid 5071] <... close resumed>) = 0 [pid 7036] memfd_create("syzkaller", 0 [pid 5071] rmdir("./161/file0" [pid 7038] <... memfd_create resumed>) = 3 [pid 7036] <... memfd_create resumed>) = 3 [pid 7032] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... rmdir resumed>) = 0 [pid 7038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7032] <... openat resumed>) = 4 [pid 7038] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7036] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] getdents64(3, [pid 7032] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 7032] <... ioctl resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./161") = 0 [pid 5071] mkdir("./162", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7039 [pid 7032] close(3) = 0 [pid 7032] mkdir("./file0", 0777) = 0 [pid 7032] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7039 attached [pid 7039] chdir("./162" [pid 7037] 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"..., 4194304 [pid 7039] <... chdir resumed>) = 0 [pid 7039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7039] setpgid(0, 0) = 0 [ 223.498144][ T7032] loop0: detected capacity change from 0 to 8192 [pid 7039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7039] write(3, "1000", 4) = 4 [pid 7039] close(3) = 0 [pid 7039] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7039] memfd_create("syzkaller", 0) = 3 [pid 7039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 223.548729][ T7032] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7036] 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"..., 4194304 [pid 7035] <... write resumed>) = 4194304 [pid 7038] 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"..., 4194304 [pid 7035] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7039] 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"..., 4194304 [pid 7035] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7035] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7035] close(3) = 0 [pid 7035] mkdir("./file0", 0777) = 0 [ 223.590838][ T7032] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 223.626977][ T7035] loop4: detected capacity change from 0 to 8192 [ 223.633705][ T7032] REISERFS (device loop0): using ordered data mode [pid 7035] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7037] <... write resumed>) = 4194304 [pid 7037] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7037] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 223.656298][ T7032] reiserfs: using flush barriers [ 223.664370][ T7037] loop3: detected capacity change from 0 to 8192 [ 223.671750][ T7035] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.672254][ T7032] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7037] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7037] close(3) = 0 [pid 7037] mkdir("./file0", 0777) = 0 [pid 7036] <... write resumed>) = 4194304 [ 223.701299][ T7032] REISERFS (device loop0): checking transaction log (loop0) [ 223.709685][ T7032] REISERFS (device loop0): Using r5 hash to sort names [ 223.718328][ T7032] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.727885][ T7035] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 223.733013][ T7032] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7037] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7038] <... write resumed>) = 4194304 [pid 7036] munmap(0x7f8a1b2e3000, 4194304 [pid 7032] <... mount resumed>) = 0 [pid 7036] <... munmap resumed>) = 0 [pid 7032] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7038] munmap(0x7f8a1b2e3000, 4194304 [pid 7036] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7032] <... openat resumed>) = 3 [ 223.752538][ T7035] REISERFS (device loop4): using ordered data mode [ 223.760811][ T7035] reiserfs: using flush barriers [ 223.766141][ T7037] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.780281][ T7035] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.796843][ T7037] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7038] <... munmap resumed>) = 0 [pid 7036] <... openat resumed>) = 4 [pid 7032] chdir("./file0" [pid 7036] ioctl(4, LOOP_SET_FD, 3 [pid 7032] <... chdir resumed>) = 0 [pid 7038] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7032] ioctl(4, LOOP_CLR_FD [pid 7038] <... openat resumed>) = 4 [pid 7032] <... ioctl resumed>) = 0 [pid 7038] ioctl(4, LOOP_SET_FD, 3 [pid 7032] close(4 [pid 7038] <... ioctl resumed>) = 0 [pid 7032] <... close resumed>) = 0 [pid 7032] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7032] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7032] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7032] mount(NULL, "./bus", NULL, 0, NULL [pid 7038] close(3 [pid 7032] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7032] exit_group(0) = ? [pid 7032] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7032, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 7038] <... close resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5069] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7038] mkdir("./file0", 0777 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7038] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7039] <... write resumed>) = 4194304 [pid 7038] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5069] <... openat resumed>) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 223.799472][ T7036] loop1: detected capacity change from 0 to 8192 [ 223.806194][ T7037] REISERFS (device loop3): using ordered data mode [ 223.816327][ T7038] loop5: detected capacity change from 0 to 8192 [ 223.819634][ T7037] reiserfs: using flush barriers [ 223.836726][ T7035] REISERFS (device loop4): checking transaction log (loop4) [ 223.845555][ T7035] REISERFS (device loop4): Using r5 hash to sort names [pid 5069] unlink("./158/binderfs") = 0 [pid 5069] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7039] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7036] <... ioctl resumed>) = 0 [pid 7036] close(3) = 0 [pid 7036] mkdir("./file0", 0777) = 0 [pid 7036] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7035] <... mount resumed>) = 0 [pid 7035] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7035] chdir("./file0") = 0 [pid 7035] ioctl(4, LOOP_CLR_FD) = 0 [pid 7035] close(4) = 0 [pid 7035] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7035] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7035] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7035] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7035] exit_group(0) = ? [pid 7035] +++ exited with 0 +++ [ 223.852936][ T7035] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 223.869502][ T7035] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 223.872363][ T7038] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7035, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5073] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7039] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7039] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7039] <... ioctl resumed>) = 0 [pid 5073] fstat(3, [pid 7039] close(3) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7039] mkdir("./file0", 0777 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7039] <... mkdir resumed>) = 0 [pid 5073] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./163/binderfs") = 0 [pid 5073] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 223.884669][ T7037] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 223.910815][ T7039] loop2: detected capacity change from 0 to 8192 [ 223.917681][ T7036] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 223.953614][ T7036] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 223.961867][ T7037] REISERFS (device loop3): checking transaction log (loop3) [ 223.978663][ T7038] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 223.988744][ T7039] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7039] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./158/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 224.003460][ T7037] REISERFS (device loop3): Using r5 hash to sort names [ 224.006457][ T7036] REISERFS (device loop1): using ordered data mode [ 224.014870][ T7037] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.022024][ T7039] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 224.031122][ T7038] REISERFS (device loop5): using ordered data mode [ 224.039697][ T7039] REISERFS (device loop2): using ordered data mode [pid 5069] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 5073] lstat("./163/file0", [pid 5069] fstat(4, [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7037] <... mount resumed>) = 0 [pid 7037] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7037] chdir("./file0") = 0 [pid 7037] ioctl(4, LOOP_CLR_FD) = 0 [pid 7037] close(4) = 0 [pid 7037] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7037] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7037] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7037] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7037] exit_group(0) = ? [pid 7037] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7037, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5072] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./161/binderfs") = 0 [pid 5072] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] getdents64(4, [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./163/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [ 224.047930][ T7036] reiserfs: using flush barriers [ 224.052466][ T7039] reiserfs: using flush barriers [ 224.058305][ T7038] reiserfs: using flush barriers [ 224.063539][ T7037] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 224.068386][ T7039] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5073] close(3) = 0 [pid 5073] rmdir("./163") = 0 [pid 5073] mkdir("./164", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] getdents64(4, [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7046 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./158/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./158") = 0 [pid 5069] mkdir("./159", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7047 [ 224.096406][ T7036] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.135527][ T7039] REISERFS (device loop2): checking transaction log (loop2) ./strace-static-x86_64: Process 7047 attached ./strace-static-x86_64: Process 7046 attached [pid 7047] chdir("./159" [pid 7046] chdir("./164" [pid 7047] <... chdir resumed>) = 0 [pid 7046] <... chdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 7047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7047] <... prctl resumed>) = 0 [pid 7046] <... prctl resumed>) = 0 [pid 7047] setpgid(0, 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7047] <... setpgid resumed>) = 0 [pid 7046] setpgid(0, 0 [pid 5072] lstat("./161/file0", [pid 7047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7046] <... setpgid resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7047] <... openat resumed>) = 3 [pid 7046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7047] write(3, "1000", 4 [pid 7046] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7047] <... write resumed>) = 4 [pid 7046] write(3, "1000", 4 [pid 5072] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7047] close(3 [pid 7046] <... write resumed>) = 4 [pid 5072] <... openat resumed>) = 4 [pid 7047] <... close resumed>) = 0 [pid 7046] close(3 [pid 5072] fstat(4, [pid 7047] symlink("/dev/binderfs", "./binderfs" [pid 7046] <... close resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7047] <... symlink resumed>) = 0 [pid 7046] symlink("/dev/binderfs", "./binderfs" [pid 5072] getdents64(4, [pid 7047] memfd_create("syzkaller", 0 [pid 7046] <... symlink resumed>) = 0 [pid 7047] <... memfd_create resumed>) = 3 [pid 7046] memfd_create("syzkaller", 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7046] <... memfd_create resumed>) = 3 [pid 5072] getdents64(4, [pid 7047] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7046] <... mmap resumed>) = 0x7f8a1b2e3000 [ 224.144522][ T7038] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.145911][ T7039] REISERFS (device loop2): Using r5 hash to sort names [ 224.184626][ T7039] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5072] close(4) = 0 [pid 5072] rmdir("./161/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./161") = 0 [pid 5072] mkdir("./162", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = 0 [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7048 ./strace-static-x86_64: Process 7048 attached [pid 7048] chdir("./162") = 0 [pid 7048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7048] setpgid(0, 0) = 0 [pid 7048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7048] write(3, "1000", 4) = 4 [ 224.199782][ T7036] REISERFS (device loop1): checking transaction log (loop1) [ 224.224559][ T7036] REISERFS (device loop1): Using r5 hash to sort names [ 224.232293][ T7038] REISERFS (device loop5): checking transaction log (loop5) [ 224.233149][ T7039] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7048] close(3) = 0 [pid 7048] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7048] memfd_create("syzkaller", 0) = 3 [pid 7048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7047] 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"..., 4194304 [pid 7046] 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"..., 4194304 [pid 7039] <... mount resumed>) = 0 [pid 7039] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7039] chdir("./file0") = 0 [pid 7039] ioctl(4, LOOP_CLR_FD) = 0 [pid 7039] close(4) = 0 [pid 7039] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7039] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 224.269677][ T7038] REISERFS (device loop5): Using r5 hash to sort names [ 224.288180][ T7036] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.291168][ T7038] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7039] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7039] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7039] exit_group(0) = ? [pid 7039] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7039, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5071] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./162/binderfs") = 0 [pid 7048] 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"..., 4194304 [pid 5071] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7036] <... mount resumed>) = 0 [pid 7036] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 224.351509][ T7036] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7036] chdir("./file0") = 0 [pid 7036] ioctl(4, LOOP_CLR_FD) = 0 [pid 7036] close(4) = 0 [pid 7036] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7036] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7036] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7046] <... write resumed>) = 4194304 [pid 7036] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7046] munmap(0x7f8a1b2e3000, 4194304 [pid 7036] exit_group(0) = ? [pid 7036] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7036, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5070] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, [pid 7046] <... munmap resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7046] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7038] <... mount resumed>) = 0 [pid 5070] getdents64(3, [ 224.402799][ T7038] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7046] <... openat resumed>) = 4 [pid 7038] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7046] ioctl(4, LOOP_SET_FD, 3 [pid 7038] <... openat resumed>) = 3 [pid 5070] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./161/binderfs") = 0 [pid 5070] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7038] chdir("./file0") = 0 [pid 7046] <... ioctl resumed>) = 0 [pid 7038] ioctl(4, LOOP_CLR_FD [pid 7046] close(3 [pid 7038] <... ioctl resumed>) = 0 [pid 7046] <... close resumed>) = 0 [pid 7038] close(4 [pid 5071] <... umount2 resumed>) = 0 [pid 7047] <... write resumed>) = 4194304 [pid 7046] mkdir("./file0", 0777 [pid 7038] <... close resumed>) = 0 [pid 7046] <... mkdir resumed>) = 0 [pid 7047] munmap(0x7f8a1b2e3000, 4194304 [pid 7038] mkdir(NULL, 000 [pid 5071] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7046] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7038] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7038] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] lstat("./162/file0", [pid 7038] <... openat resumed>) = 4 [pid 7038] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7047] <... munmap resumed>) = 0 [pid 7038] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7047] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7038] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7047] <... openat resumed>) = 4 [pid 7038] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7047] ioctl(4, LOOP_SET_FD, 3 [pid 7038] exit_group(0 [ 224.466097][ T7046] loop4: detected capacity change from 0 to 8192 [pid 5071] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7038] <... exit_group resumed>) = ? [pid 5071] <... openat resumed>) = 4 [pid 7038] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7038, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5071] fstat(4, [pid 5074] <... restart_syscall resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, [pid 5074] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(4, [pid 5074] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] fstat(3, [pid 5071] close(4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, [pid 5071] <... close resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] rmdir("./162/file0" [pid 5074] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./166/binderfs", [pid 5071] <... rmdir resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] getdents64(3, [pid 5074] unlink("./166/binderfs") = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] close(3) = 0 [pid 5071] rmdir("./162") = 0 [pid 5071] mkdir("./163", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5070] <... umount2 resumed>) = 0 [pid 7047] <... ioctl resumed>) = 0 [ 224.509918][ T7047] loop0: detected capacity change from 0 to 8192 [ 224.517595][ T7046] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7047] close(3 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7047] <... close resumed>) = 0 [pid 5071] close(3 [pid 7047] mkdir("./file0", 0777 [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7050 [pid 7047] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7050 attached [pid 7048] <... write resumed>) = 4194304 [pid 7047] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7050] chdir("./163" [pid 7048] munmap(0x7f8a1b2e3000, 4194304 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7048] <... munmap resumed>) = 0 [pid 7050] <... chdir resumed>) = 0 [pid 7048] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5070] lstat("./161/file0", [pid 7050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7048] <... openat resumed>) = 4 [pid 7050] <... prctl resumed>) = 0 [pid 7050] setpgid(0, 0 [pid 7048] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7050] <... setpgid resumed>) = 0 [pid 7050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... umount2 resumed>) = 0 [ 224.577572][ T7046] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 224.597429][ T7046] REISERFS (device loop4): using ordered data mode [ 224.607579][ T7047] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.622267][ T7048] loop3: detected capacity change from 0 to 8192 [pid 5074] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7050] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7050] write(3, "1000", 4) = 4 [pid 7050] close(3) = 0 [pid 7050] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7050] memfd_create("syzkaller", 0) = 3 [pid 7050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5074] lstat("./166/file0", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] fstat(4, [pid 5074] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5070] getdents64(4, [pid 5074] fstat(4, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, [pid 5074] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [ 224.622684][ T7046] reiserfs: using flush barriers [ 224.636684][ T7047] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 224.646735][ T7047] REISERFS (device loop0): using ordered data mode [ 224.648700][ T7046] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.653905][ T7047] reiserfs: using flush barriers [pid 7050] 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"..., 4194304 [pid 7048] <... ioctl resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] close(4 [pid 7048] close(3 [pid 5074] getdents64(4, [pid 5070] <... close resumed>) = 0 [pid 7048] <... close resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] rmdir("./161/file0" [pid 7048] mkdir("./file0", 0777 [pid 5074] close(4 [pid 7048] <... mkdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5074] rmdir("./166/file0" [pid 7048] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] getdents64(3, [pid 5074] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] getdents64(3, [pid 5070] close(3 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = 0 [pid 5074] close(3) = 0 [pid 5070] rmdir("./161" [pid 5074] rmdir("./166") = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5074] mkdir("./167", 0777 [pid 5070] mkdir("./162", 0777 [pid 5074] <... mkdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] <... mkdir resumed>) = 0 [ 224.679720][ T7047] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.693427][ T7046] REISERFS (device loop4): checking transaction log (loop4) [ 224.715481][ T7047] REISERFS (device loop0): checking transaction log (loop0) [pid 5074] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7050] <... write resumed>) = 4194304 [pid 5074] close(3 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7050] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] <... close resumed>) = 0 [pid 5070] close(3 [pid 7050] <... munmap resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... close resumed>) = 0 [pid 7050] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7050] <... openat resumed>) = 4 [ 224.728064][ T7048] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 224.743346][ T7047] REISERFS (device loop0): Using r5 hash to sort names [ 224.747305][ T7048] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 224.751561][ T7046] REISERFS (device loop4): Using r5 hash to sort names [ 224.759591][ T7048] REISERFS (device loop3): using ordered data mode [ 224.773165][ T7048] reiserfs: using flush barriers [pid 7050] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7053 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7054 ./strace-static-x86_64: Process 7053 attached [pid 7050] <... ioctl resumed>) = 0 [pid 7050] close(3) = 0 [pid 7053] chdir("./167" [pid 7050] mkdir("./file0", 0777 [pid 7053] <... chdir resumed>) = 0 [pid 7050] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7054 attached [pid 7053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7050] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7054] chdir("./162" [pid 7053] <... prctl resumed>) = 0 [pid 7053] setpgid(0, 0) = 0 [pid 7053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7054] <... chdir resumed>) = 0 [ 224.785741][ T7050] loop2: detected capacity change from 0 to 8192 [ 224.786369][ T7048] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.812439][ T7048] REISERFS (device loop3): checking transaction log (loop3) [ 224.821540][ T7050] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7053] <... openat resumed>) = 3 [pid 7053] write(3, "1000", 4) = 4 [pid 7053] close(3) = 0 [pid 7053] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7053] memfd_create("syzkaller", 0) = 3 [pid 7054] <... prctl resumed>) = 0 [pid 7053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 224.821831][ T7048] REISERFS (device loop3): Using r5 hash to sort names [ 224.842413][ T7048] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.844956][ T7047] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 224.855396][ T7046] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7054] setpgid(0, 0) = 0 [pid 7054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7054] write(3, "1000", 4 [pid 7046] <... mount resumed>) = 0 [pid 7054] <... write resumed>) = 4 [pid 7046] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7054] close(3 [pid 7046] <... openat resumed>) = 3 [pid 7054] <... close resumed>) = 0 [pid 7046] chdir("./file0" [pid 7054] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7054] memfd_create("syzkaller", 0) = 3 [pid 7054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7046] <... chdir resumed>) = 0 [ 224.880737][ T7046] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 224.900944][ T7050] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 224.911180][ T7050] REISERFS (device loop2): using ordered data mode [ 224.918043][ T7050] reiserfs: using flush barriers [pid 7046] ioctl(4, LOOP_CLR_FD) = 0 [pid 7046] close(4) = 0 [pid 7046] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7053] 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"..., 4194304 [pid 7046] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7046] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [ 224.924380][ T7050] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 224.932119][ T7048] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 224.941110][ T7050] REISERFS (device loop2): checking transaction log (loop2) [ 224.966373][ T7050] REISERFS (device loop2): Using r5 hash to sort names [ 224.973627][ T7050] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7046] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7046] exit_group(0 [pid 7054] 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"..., 4194304 [pid 7050] <... mount resumed>) = 0 [pid 7048] <... mount resumed>) = 0 [pid 7046] <... exit_group resumed>) = ? [pid 7050] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7048] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7050] <... openat resumed>) = 3 [pid 7048] <... openat resumed>) = 3 [pid 7046] +++ exited with 0 +++ [pid 7050] chdir("./file0" [pid 7048] chdir("./file0" [pid 7050] <... chdir resumed>) = 0 [pid 7048] <... chdir resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7046, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 7050] ioctl(4, LOOP_CLR_FD [pid 7048] ioctl(4, LOOP_CLR_FD [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 7050] <... ioctl resumed>) = 0 [pid 7048] <... ioctl resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 7053] <... write resumed>) = 4194304 [pid 7050] close(4 [pid 7048] close(4 [pid 7047] <... mount resumed>) = 0 [pid 7053] munmap(0x7f8a1b2e3000, 4194304 [pid 7050] <... close resumed>) = 0 [pid 7053] <... munmap resumed>) = 0 [pid 7050] mkdir(NULL, 000 [pid 7048] <... close resumed>) = 0 [pid 7047] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7053] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7050] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7048] mkdir(NULL, 000 [pid 7047] <... openat resumed>) = 3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7053] <... openat resumed>) = 4 [pid 7050] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7048] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7047] chdir("./file0" [pid 5073] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7053] ioctl(4, LOOP_SET_FD, 3 [pid 7050] <... openat resumed>) = 4 [pid 7048] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7047] <... chdir resumed>) = 0 [ 225.001805][ T7047] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 225.003313][ T7050] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] <... openat resumed>) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7053] <... ioctl resumed>) = 0 [pid 5073] unlink("./164/binderfs" [pid 7050] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7048] <... openat resumed>) = 4 [pid 7047] ioctl(4, LOOP_CLR_FD [pid 5073] <... unlink resumed>) = 0 [pid 7050] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7048] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7047] <... ioctl resumed>) = 0 [pid 5073] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7053] close(3 [pid 7050] mount(NULL, "./bus", NULL, 0, NULL [pid 7048] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7047] close(4 [pid 7053] <... close resumed>) = 0 [pid 7050] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7048] mount(NULL, "./bus", NULL, 0, NULL [pid 7047] <... close resumed>) = 0 [pid 7053] mkdir("./file0", 0777 [pid 7050] exit_group(0 [pid 7048] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7047] mkdir(NULL, 000 [pid 7050] <... exit_group resumed>) = ? [pid 7048] exit_group(0 [pid 7047] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7053] <... mkdir resumed>) = 0 [pid 7053] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7050] +++ exited with 0 +++ [pid 7048] <... exit_group resumed>) = ? [pid 7047] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7050, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 7048] +++ exited with 0 +++ [pid 7047] <... openat resumed>) = 4 [pid 5071] <... restart_syscall resumed>) = 0 [pid 7047] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7048, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 7047] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7047] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7047] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7047] exit_group(0 [ 225.058629][ T7053] loop5: detected capacity change from 0 to 8192 [pid 5071] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7047] <... exit_group resumed>) = ? [pid 5071] <... openat resumed>) = 3 [pid 5072] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] fstat(3, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(3, [pid 5072] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] fstat(3, [pid 5071] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(3, [pid 5071] lstat("./163/binderfs", [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] unlink("./163/binderfs" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... unlink resumed>) = 0 [pid 5072] lstat("./162/binderfs", [pid 5071] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7054] <... write resumed>) = 4194304 [pid 7047] +++ exited with 0 +++ [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7054] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] unlink("./162/binderfs" [pid 7054] <... munmap resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7047, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 7054] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 7054] <... openat resumed>) = 4 [ 225.104949][ T7053] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.125577][ T7053] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 225.135426][ T7053] REISERFS (device loop5): using ordered data mode [pid 7054] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 7054] <... ioctl resumed>) = 0 [pid 5073] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7054] close(3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7054] <... close resumed>) = 0 [pid 5073] lstat("./164/file0", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7054] mkdir("./file0", 0777 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7054] <... mkdir resumed>) = 0 [pid 5073] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 7054] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] fstat(3, [pid 5073] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... openat resumed>) = 4 [pid 5069] getdents64(3, [pid 5073] fstat(4, [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] lstat("./159/binderfs", [pid 5073] getdents64(4, [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] unlink("./159/binderfs" [pid 5073] close(4 [pid 5069] <... unlink resumed>) = 0 [ 225.152643][ T7054] loop1: detected capacity change from 0 to 8192 [ 225.168197][ T7053] reiserfs: using flush barriers [pid 5073] <... close resumed>) = 0 [pid 5069] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] rmdir("./164/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [ 225.194469][ T7053] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.241628][ T7054] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5073] rmdir("./164") = 0 [pid 5073] mkdir("./165", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7059 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./162/file0", ./strace-static-x86_64: Process 7059 attached [pid 7059] chdir("./165") = 0 [pid 7059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7059] <... prctl resumed>) = 0 [pid 7059] setpgid(0, 0) = 0 [pid 7059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7059] write(3, "1000", 4) = 4 [pid 7059] close(3) = 0 [pid 7059] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7059] memfd_create("syzkaller", 0) = 3 [pid 7059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 225.241735][ T7053] REISERFS (device loop5): checking transaction log (loop5) [ 225.268088][ T7053] REISERFS (device loop5): Using r5 hash to sort names [ 225.287009][ T7053] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5072] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./162/file0") = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./162") = 0 [pid 5072] mkdir("./163", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(3 [pid 5071] lstat("./163/file0", [pid 5072] <... close resumed>) = 0 [ 225.317792][ T7054] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 225.353878][ T7053] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7053] <... mount resumed>) = 0 [pid 5071] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7059] 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"..., 4194304 [pid 7053] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7060 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./159/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, ./strace-static-x86_64: Process 7060 attached 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7060] chdir("./163" [pid 5069] getdents64(4, [pid 7060] <... chdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] close(4 [pid 7060] <... prctl resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 7060] setpgid(0, 0 [pid 5069] rmdir("./159/file0" [pid 7060] <... setpgid resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 7060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] getdents64(3, [pid 7060] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7060] write(3, "1000", 4 [pid 7053] <... openat resumed>) = 3 [pid 5071] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] close(3 [pid 7060] <... write resumed>) = 4 [pid 7053] chdir("./file0" [pid 5071] <... openat resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 7060] close(3 [pid 7053] <... chdir resumed>) = 0 [pid 5071] fstat(4, [pid 5069] rmdir("./159" [pid 7060] <... close resumed>) = 0 [pid 7053] ioctl(4, LOOP_CLR_FD [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 7060] symlink("/dev/binderfs", "./binderfs" [pid 7053] <... ioctl resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] mkdir("./160", 0777 [pid 7060] <... symlink resumed>) = 0 [pid 7053] close(4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... mkdir resumed>) = 0 [pid 7060] memfd_create("syzkaller", 0 [pid 7053] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7060] <... memfd_create resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 7060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7060] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7053] mkdir(NULL, 000 [pid 5071] getdents64(4, [pid 5069] close(3 [pid 7053] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7053] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7053] <... openat resumed>) = 4 [pid 5071] close(4 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7061 [pid 7053] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... close resumed>) = 0 [pid 7053] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [ 225.388330][ T7054] REISERFS (device loop1): using ordered data mode [ 225.394918][ T7054] reiserfs: using flush barriers [ 225.404605][ T7054] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5071] rmdir("./163/file0"./strace-static-x86_64: Process 7061 attached [pid 7053] mount(NULL, "./bus", NULL, 0, NULL [pid 7061] chdir("./160" [pid 7053] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... rmdir resumed>) = 0 [pid 7061] <... chdir resumed>) = 0 [pid 7053] exit_group(0 [pid 5071] getdents64(3, [pid 7061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7053] <... exit_group resumed>) = ? [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7061] <... prctl resumed>) = 0 [pid 7061] setpgid(0, 0 [pid 7053] +++ exited with 0 +++ [pid 5071] close(3 [pid 7061] <... setpgid resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7053, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5071] <... close resumed>) = 0 [pid 7061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] rmdir("./163" [pid 7061] <... openat resumed>) = 3 [pid 7061] write(3, "1000", 4 [pid 5071] <... rmdir resumed>) = 0 [pid 7061] <... write resumed>) = 4 [pid 7061] close(3) = 0 [pid 5074] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7061] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7061] <... symlink resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7061] memfd_create("syzkaller", 0 [pid 5074] <... openat resumed>) = 3 [pid 7061] <... memfd_create resumed>) = 3 [pid 5074] fstat(3, [pid 5071] mkdir("./164", 0777 [pid 7061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7061] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] getdents64(3, [pid 5071] <... mkdir resumed>) = 0 [pid 7059] <... write resumed>) = 4194304 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7059] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./167/binderfs") = 0 [pid 5074] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7059] <... munmap resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [ 225.480259][ T7054] REISERFS (device loop1): checking transaction log (loop1) [ 225.507887][ T7054] REISERFS (device loop1): Using r5 hash to sort names [ 225.515052][ T7054] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7059] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7060] 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"..., 4194304 [pid 7059] <... openat resumed>) = 4 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7059] ioctl(4, LOOP_SET_FD, 3 [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7062 [pid 7059] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 7062 attached [pid 7059] close(3 [pid 7062] chdir("./164") = 0 [pid 7062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7059] <... close resumed>) = 0 [pid 7062] setpgid(0, 0 [pid 7059] mkdir("./file0", 0777 [pid 7062] <... setpgid resumed>) = 0 [pid 7062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7059] <... mkdir resumed>) = 0 [pid 7062] <... openat resumed>) = 3 [pid 7061] 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"..., 4194304 [pid 7059] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7062] write(3, "1000", 4) = 4 [pid 7062] close(3) = 0 [pid 7054] <... mount resumed>) = 0 [ 225.530037][ T7054] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 225.542430][ T7059] loop4: detected capacity change from 0 to 8192 [pid 7062] symlink("/dev/binderfs", "./binderfs" [pid 7054] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7062] <... symlink resumed>) = 0 [pid 7054] <... openat resumed>) = 3 [pid 7062] memfd_create("syzkaller", 0 [pid 7054] chdir("./file0" [pid 7062] <... memfd_create resumed>) = 3 [pid 7054] <... chdir resumed>) = 0 [pid 7062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7054] ioctl(4, LOOP_CLR_FD) = 0 [pid 7054] close(4) = 0 [pid 7054] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7054] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7054] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7054] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7054] exit_group(0 [pid 5074] <... umount2 resumed>) = 0 [pid 7054] <... exit_group resumed>) = ? [pid 7054] +++ exited with 0 +++ [pid 5074] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./167/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 225.609289][ T7059] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7062] 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"..., 4194304 [pid 5074] getdents64(4, [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7054, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./167/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./167") = 0 [pid 5074] mkdir("./168", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7064 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7064 attached [pid 5070] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7064] chdir("./168" [pid 5070] <... openat resumed>) = 3 [pid 5070] fstat(3, [pid 7064] <... chdir resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7064] setpgid(0, 0 [pid 5070] getdents64(3, [pid 7064] <... setpgid resumed>) = 0 [pid 7064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7064] <... openat resumed>) = 3 [pid 7064] write(3, "1000", 4 [pid 5070] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7064] <... write resumed>) = 4 [pid 7064] close(3) = 0 [pid 7064] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7064] memfd_create("syzkaller", 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7064] <... memfd_create resumed>) = 3 [pid 7064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5070] lstat("./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7062] <... write resumed>) = 4194304 [pid 7060] <... write resumed>) = 4194304 [pid 5070] unlink("./162/binderfs" [pid 7062] munmap(0x7f8a1b2e3000, 4194304 [pid 5070] <... unlink resumed>) = 0 [ 225.651407][ T7059] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 225.679550][ T7059] REISERFS (device loop4): using ordered data mode [ 225.686118][ T7059] reiserfs: using flush barriers [pid 5070] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7062] <... munmap resumed>) = 0 [pid 7062] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7062] ioctl(4, LOOP_SET_FD, 3 [pid 7060] munmap(0x7f8a1b2e3000, 4194304 [pid 7062] <... ioctl resumed>) = 0 [pid 7061] <... write resumed>) = 4194304 [pid 7060] <... munmap resumed>) = 0 [pid 7060] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7060] ioctl(4, LOOP_SET_FD, 3 [pid 7062] close(3 [ 225.742623][ T7059] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.743158][ T7062] loop2: detected capacity change from 0 to 8192 [ 225.771486][ T7059] REISERFS (device loop4): checking transaction log (loop4) [ 225.774472][ T7060] loop3: detected capacity change from 0 to 8192 [pid 7061] munmap(0x7f8a1b2e3000, 4194304 [pid 7064] 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"..., 4194304 [pid 7062] <... close resumed>) = 0 [pid 7061] <... munmap resumed>) = 0 [pid 7060] <... ioctl resumed>) = 0 [pid 7062] mkdir("./file0", 0777 [pid 7061] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7060] close(3 [pid 7062] <... mkdir resumed>) = 0 [pid 7061] <... openat resumed>) = 4 [pid 7060] <... close resumed>) = 0 [ 225.790534][ T7059] REISERFS (device loop4): Using r5 hash to sort names [pid 7062] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7060] mkdir("./file0", 0777 [pid 7061] ioctl(4, LOOP_SET_FD, 3 [pid 7060] <... mkdir resumed>) = 0 [pid 7061] <... ioctl resumed>) = 0 [pid 7060] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] <... umount2 resumed>) = 0 [pid 7061] close(3) = 0 [pid 5070] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7061] mkdir("./file0", 0777 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7061] <... mkdir resumed>) = 0 [pid 7059] <... mount resumed>) = 0 [pid 7059] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7059] chdir("./file0") = 0 [pid 7059] ioctl(4, LOOP_CLR_FD) = 0 [pid 7059] close(4 [pid 5070] lstat("./162/file0", [pid 7061] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 225.820764][ T7061] loop0: detected capacity change from 0 to 8192 [ 225.821702][ T7059] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 225.841756][ T7059] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 225.853813][ T7062] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5070] getdents64(4, [pid 7064] <... write resumed>) = 4194304 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./162/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./162") = 0 [pid 7064] munmap(0x7f8a1b2e3000, 4194304 [pid 5070] mkdir("./163", 0777 [pid 7059] <... close resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 7059] mkdir(NULL, 000 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7059] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] <... openat resumed>) = 3 [ 225.876825][ T7060] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.883888][ T7062] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 225.900151][ T7062] REISERFS (device loop2): using ordered data mode [ 225.907078][ T7062] reiserfs: using flush barriers [ 225.913957][ T7060] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7059] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7064] <... munmap resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7064] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7059] <... openat resumed>) = 4 [pid 5070] close(3 [pid 7064] <... openat resumed>) = 4 [ 225.914411][ T7061] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 225.923768][ T7060] REISERFS (device loop3): using ordered data mode [ 225.937780][ T7062] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.943014][ T7060] reiserfs: using flush barriers [pid 7059] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] <... close resumed>) = 0 [pid 7064] ioctl(4, LOOP_SET_FD, 3 [pid 7059] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7059] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7068 ./strace-static-x86_64: Process 7068 attached [pid 7059] exit_group(0) = ? [pid 7059] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7059, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5073] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7068] chdir("./163" [pid 5073] fstat(3, [pid 7068] <... chdir resumed>) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./165/binderfs" [pid 7068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... unlink resumed>) = 0 [pid 5073] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7064] <... ioctl resumed>) = 0 [pid 7064] close(3) = 0 [pid 7068] <... prctl resumed>) = 0 [ 225.944307][ T7060] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 225.969736][ T7064] loop5: detected capacity change from 0 to 8192 [ 225.995988][ T7061] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 226.006964][ T7060] REISERFS (device loop3): checking transaction log (loop3) [ 226.015462][ T7060] REISERFS (device loop3): Using r5 hash to sort names [pid 7064] mkdir("./file0", 0777 [pid 7068] setpgid(0, 0) = 0 [pid 7064] <... mkdir resumed>) = 0 [pid 7068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7064] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7068] <... openat resumed>) = 3 [pid 7068] write(3, "1000", 4) = 4 [ 226.023271][ T7062] REISERFS (device loop2): checking transaction log (loop2) [ 226.031381][ T7061] REISERFS (device loop0): using ordered data mode [ 226.038152][ T7060] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.051378][ T7061] reiserfs: using flush barriers [ 226.056061][ T7060] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 226.057673][ T7062] REISERFS (device loop2): Using r5 hash to sort names [pid 7068] close(3) = 0 [ 226.073841][ T7064] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.073990][ T7061] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.095494][ T7062] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.103508][ T7061] REISERFS (device loop0): checking transaction log (loop0) [pid 7068] symlink("/dev/binderfs", "./binderfs" [pid 7060] <... mount resumed>) = 0 [pid 7068] <... symlink resumed>) = 0 [pid 7060] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7068] memfd_create("syzkaller", 0 [ 226.123891][ T7064] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 226.127970][ T7061] REISERFS (device loop0): Using r5 hash to sort names [ 226.133232][ T7064] REISERFS (device loop5): using ordered data mode [ 226.147003][ T7064] reiserfs: using flush barriers [ 226.153606][ T7064] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7060] chdir("./file0" [pid 7068] <... memfd_create resumed>) = 3 [pid 7060] <... chdir resumed>) = 0 [pid 7068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7060] ioctl(4, LOOP_CLR_FD [pid 7068] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7060] <... ioctl resumed>) = 0 [pid 7060] close(4) = 0 [pid 7060] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7060] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7060] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7061] <... mount resumed>) = 0 [pid 7060] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7060] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [ 226.156678][ T7062] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 226.170343][ T7064] REISERFS (device loop5): checking transaction log (loop5) [ 226.186676][ T7061] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.199849][ T7061] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 226.209396][ T7064] REISERFS (device loop5): Using r5 hash to sort names [pid 7064] <... mount resumed>) = 0 [pid 7062] <... mount resumed>) = 0 [pid 7061] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7060] exit_group(0 [pid 7064] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7062] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7061] <... openat resumed>) = 3 [pid 7060] <... exit_group resumed>) = ? [pid 7068] 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"..., 4194304 [pid 7064] <... openat resumed>) = 3 [pid 7062] <... openat resumed>) = 3 [pid 7061] chdir("./file0" [pid 7060] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7060, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5072] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7064] chdir("./file0" [pid 7062] chdir("./file0" [pid 7061] <... chdir resumed>) = 0 [pid 5072] getdents64(3, [pid 7064] <... chdir resumed>) = 0 [pid 7062] <... chdir resumed>) = 0 [pid 7061] ioctl(4, LOOP_CLR_FD [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7064] ioctl(4, LOOP_CLR_FD [pid 7062] ioctl(4, LOOP_CLR_FD [pid 7061] <... ioctl resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5072] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7064] <... ioctl resumed>) = 0 [pid 7062] <... ioctl resumed>) = 0 [pid 7061] close(4 [pid 5073] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7064] close(4 [pid 7062] close(4 [pid 7061] <... close resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./163/binderfs", [pid 5073] lstat("./165/file0", [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] unlink("./163/binderfs" [pid 5073] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... unlink resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 226.216902][ T7064] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.229819][ T7064] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5072] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7064] <... close resumed>) = 0 [pid 7062] <... close resumed>) = 0 [pid 7061] mkdir(NULL, 000 [pid 5073] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7068] <... write resumed>) = 4194304 [pid 7064] mkdir(NULL, 000 [pid 7062] mkdir(NULL, 000 [pid 7061] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... openat resumed>) = 4 [pid 7068] munmap(0x7f8a1b2e3000, 4194304 [pid 7064] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7062] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7061] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 7068] <... munmap resumed>) = 0 [pid 7064] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7062] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7064] <... openat resumed>) = 4 [pid 7061] <... openat resumed>) = 4 [pid 5073] getdents64(4, [pid 7068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7064] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7062] <... openat resumed>) = 4 [pid 7061] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7068] <... openat resumed>) = 4 [pid 7064] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7062] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7061] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] close(4 [pid 7068] ioctl(4, LOOP_SET_FD, 3 [pid 7064] mount(NULL, "./bus", NULL, 0, NULL [pid 7062] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7061] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... close resumed>) = 0 [pid 5073] rmdir("./165/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./165" [pid 7068] <... ioctl resumed>) = 0 [pid 7064] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7062] mount(NULL, "./bus", NULL, 0, NULL [pid 7061] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... rmdir resumed>) = 0 [pid 7064] exit_group(0 [pid 7062] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7061] exit_group(0 [pid 5073] mkdir("./166", 0777 [pid 7068] close(3 [pid 7064] <... exit_group resumed>) = ? [pid 7062] exit_group(0 [pid 7061] <... exit_group resumed>) = ? [pid 5073] <... mkdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7064] +++ exited with 0 +++ [pid 7062] <... exit_group resumed>) = ? [pid 5073] <... openat resumed>) = 3 [pid 7068] <... close resumed>) = 0 [pid 7062] +++ exited with 0 +++ [pid 7061] +++ exited with 0 +++ [pid 5073] ioctl(3, LOOP_CLR_FD [pid 7068] mkdir("./file0", 0777 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7064, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7061, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5074] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] close(3 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7062, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... restart_syscall resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... restart_syscall resumed>) = 0 [pid 7068] <... mkdir resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 7068] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] fstat(3, [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7070 [pid 5069] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... openat resumed>) = 3 [pid 5074] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 5069] fstat(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] fstat(3, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7070 attached [pid 5074] lstat("./168/binderfs", [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, [pid 7070] chdir("./166" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] getdents64(3, [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7070] <... chdir resumed>) = 0 [pid 5074] unlink("./168/binderfs" [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] <... unlink resumed>) = 0 [pid 5071] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7070] <... prctl resumed>) = 0 [ 226.339199][ T7068] loop1: detected capacity change from 0 to 8192 [ 226.373102][ T7068] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5074] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./160/binderfs", [pid 7070] setpgid(0, 0 [pid 5071] lstat("./164/binderfs", [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7070] <... setpgid resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./160/binderfs" [pid 7070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] unlink("./164/binderfs" [pid 5069] <... unlink resumed>) = 0 [pid 7070] <... openat resumed>) = 3 [pid 5071] <... unlink resumed>) = 0 [pid 5069] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7070] write(3, "1000", 4 [pid 5071] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7070] <... write resumed>) = 4 [pid 5072] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7070] close(3) = 0 [pid 7070] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7070] memfd_create("syzkaller", 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./163/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./163/file0") = 0 [pid 5072] getdents64(3, [pid 7070] <... memfd_create resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./163" [pid 7070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5072] mkdir("./164", 0777 [pid 7070] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7072 [ 226.401098][ T7068] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 226.411053][ T7068] REISERFS (device loop1): using ordered data mode [ 226.419669][ T7068] reiserfs: using flush barriers ./strace-static-x86_64: Process 7072 attached [pid 7072] chdir("./164") = 0 [pid 7072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7072] setpgid(0, 0) = 0 [pid 7072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7070] 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"..., 4194304 [pid 7072] write(3, "1000", 4) = 4 [pid 7072] close(3) = 0 [ 226.450451][ T7068] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 226.467569][ T7068] REISERFS (device loop1): checking transaction log (loop1) [ 226.478379][ T7068] REISERFS (device loop1): Using r5 hash to sort names [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./168/file0", [pid 7072] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7072] <... symlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7072] memfd_create("syzkaller", 0 [pid 5074] <... openat resumed>) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, [pid 7072] <... memfd_create resumed>) = 3 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4 [pid 7072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... close resumed>) = 0 [pid 5074] rmdir("./168/file0" [pid 7072] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... rmdir resumed>) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./168") = 0 [pid 5074] mkdir("./169", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7073 ./strace-static-x86_64: Process 7073 attached [pid 7073] chdir("./169") = 0 [pid 7073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7073] setpgid(0, 0) = 0 [pid 7073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] <... umount2 resumed>) = 0 [pid 7073] write(3, "1000", 4) = 4 [pid 7073] close(3) = 0 [pid 7073] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7073] memfd_create("syzkaller", 0) = 3 [pid 7073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./164/file0", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 226.577681][ T7068] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5069] lstat("./160/file0", [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./160/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] fstat(4, [pid 5069] close(3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] rmdir("./160" [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... rmdir resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] mkdir("./161", 0777 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5071] close(4 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 7072] 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"..., 4194304 [pid 5071] rmdir("./164/file0" [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] <... rmdir resumed>) = 0 [pid 5069] close(3 [pid 7068] <... mount resumed>) = 0 [pid 5071] getdents64(3, [pid 5069] <... close resumed>) = 0 [pid 7068] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7068] <... openat resumed>) = 3 [pid 5071] close(3 [pid 7070] <... write resumed>) = 4194304 [pid 7068] chdir("./file0" [pid 5071] <... close resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7074 [pid 7070] munmap(0x7f8a1b2e3000, 4194304 [pid 7068] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 7074 attached [pid 7068] ioctl(4, LOOP_CLR_FD [pid 5071] rmdir("./164" [pid 7074] chdir("./161" [pid 7068] <... ioctl resumed>) = 0 [pid 7074] <... chdir resumed>) = 0 [pid 7068] close(4 [pid 5071] <... rmdir resumed>) = 0 [pid 7074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7070] <... munmap resumed>) = 0 [pid 7068] <... close resumed>) = 0 [ 226.646799][ T7068] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] mkdir("./165", 0777 [pid 7074] <... prctl resumed>) = 0 [pid 7070] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7068] mkdir(NULL, 000 [pid 7074] setpgid(0, 0 [pid 7070] <... openat resumed>) = 4 [pid 7068] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] <... mkdir resumed>) = 0 [pid 7074] <... setpgid resumed>) = 0 [pid 7070] ioctl(4, LOOP_SET_FD, 3 [pid 7068] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7074] write(3, "1000", 4 [pid 7073] 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"..., 4194304 [pid 7074] <... write resumed>) = 4 [pid 7074] close(3) = 0 [pid 7074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7074] memfd_create("syzkaller", 0 [pid 7068] <... openat resumed>) = 4 [pid 5071] <... openat resumed>) = 3 [pid 7074] <... memfd_create resumed>) = 3 [pid 7070] <... ioctl resumed>) = 0 [pid 7068] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7070] close(3 [pid 7068] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7074] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7070] <... close resumed>) = 0 [pid 7068] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] close(3 [pid 7072] <... write resumed>) = 4194304 [pid 7070] mkdir("./file0", 0777 [pid 7068] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... close resumed>) = 0 [pid 7070] <... mkdir resumed>) = 0 [pid 7072] munmap(0x7f8a1b2e3000, 4194304 [pid 7070] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7068] exit_group(0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7068] <... exit_group resumed>) = ? [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7076 [pid 7068] +++ exited with 0 +++ [pid 7072] <... munmap resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7068, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 7072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 226.711201][ T7070] loop4: detected capacity change from 0 to 8192 [pid 7072] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7072] close(3 [pid 5070] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7072] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7076 attached [pid 7072] mkdir("./file0", 0777 [pid 5070] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7076] chdir("./165" [pid 7072] <... mkdir resumed>) = 0 [pid 7076] <... chdir resumed>) = 0 [pid 7072] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] <... openat resumed>) = 3 [ 226.755311][ T7070] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 226.769063][ T7072] loop3: detected capacity change from 0 to 8192 [pid 7076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] fstat(3, [pid 7076] setpgid(0, 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7076] <... setpgid resumed>) = 0 [pid 5070] getdents64(3, [pid 7076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7076] <... openat resumed>) = 3 [pid 5070] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7076] write(3, "1000", 4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7076] <... write resumed>) = 4 [pid 7076] close(3 [pid 7074] 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"..., 4194304 [pid 5070] lstat("./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7076] <... close resumed>) = 0 [pid 5070] unlink("./163/binderfs" [pid 7076] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... unlink resumed>) = 0 [pid 7076] <... symlink resumed>) = 0 [pid 5070] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7076] memfd_create("syzkaller", 0) = 3 [pid 7076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7073] <... write resumed>) = 4194304 [ 226.797943][ T7070] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 226.814934][ T7072] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7073] munmap(0x7f8a1b2e3000, 4194304 [pid 7074] <... write resumed>) = 4194304 [pid 7073] <... munmap resumed>) = 0 [pid 7074] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7073] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7073] <... openat resumed>) = 4 [pid 7074] <... openat resumed>) = 4 [ 226.885059][ T7072] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 226.891717][ T7070] REISERFS (device loop4): using ordered data mode [ 226.896394][ T7072] REISERFS (device loop3): using ordered data mode [ 226.908097][ T7072] reiserfs: using flush barriers [ 226.915219][ T7072] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7073] ioctl(4, LOOP_SET_FD, 3 [pid 7074] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7074] close(3) = 0 [ 226.935410][ T7072] REISERFS (device loop3): checking transaction log (loop3) [ 226.936033][ T7073] loop5: detected capacity change from 0 to 8192 [ 226.951484][ T7074] loop0: detected capacity change from 0 to 8192 [ 226.951575][ T7072] REISERFS (device loop3): Using r5 hash to sort names [ 226.965495][ T7072] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 226.978847][ T7070] reiserfs: using flush barriers [pid 7074] mkdir("./file0", 0777 [pid 5070] <... umount2 resumed>) = 0 [pid 7074] <... mkdir resumed>) = 0 [pid 7073] <... ioctl resumed>) = 0 [pid 7072] <... mount resumed>) = 0 [pid 7074] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7073] close(3 [pid 7076] 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"..., 4194304 [pid 5070] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./163/file0", [pid 7072] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7073] <... close resumed>) = 0 [pid 7072] <... openat resumed>) = 3 [pid 5070] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7073] mkdir("./file0", 0777 [pid 7072] chdir("./file0" [pid 5070] fstat(4, [ 226.979127][ T7072] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 226.995372][ T7070] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.013987][ T7070] REISERFS (device loop4): checking transaction log (loop4) [pid 7073] <... mkdir resumed>) = 0 [pid 7072] <... chdir resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./163/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 7073] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7072] ioctl(4, LOOP_CLR_FD [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./163") = 0 [pid 5070] mkdir("./164", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7072] <... ioctl resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 7072] close(4 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7072] <... close resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7080 [pid 7072] mkdir(NULL, 000) = -1 EFAULT (Bad address) [ 227.024596][ T7074] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.024829][ T7070] REISERFS (device loop4): Using r5 hash to sort names [ 227.046471][ T7070] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.067605][ T7073] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7072] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7072] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7072] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7072] exit_group(0) = ? [pid 7072] +++ exited with 0 +++ [pid 7070] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7080 attached [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7072, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 7080] chdir("./164" [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 7080] <... chdir resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 7080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7080] setpgid(0, 0) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] <... openat resumed>) = 3 [pid 7080] write(3, "1000", 4 [pid 5072] fstat(3, [pid 7080] <... write resumed>) = 4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7080] close(3 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7080] <... close resumed>) = 0 [pid 5072] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7080] symlink("/dev/binderfs", "./binderfs" [pid 7070] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7080] <... symlink resumed>) = 0 [pid 7070] <... openat resumed>) = 3 [pid 5072] lstat("./164/binderfs", [ 227.069303][ T7070] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7070] chdir("./file0" [pid 7080] memfd_create("syzkaller", 0 [pid 7076] <... write resumed>) = 4194304 [pid 7070] <... chdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7070] ioctl(4, LOOP_CLR_FD) = 0 [pid 7070] close(4) = 0 [pid 7070] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7070] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7080] <... memfd_create resumed>) = 3 [pid 7076] munmap(0x7f8a1b2e3000, 4194304 [pid 7070] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] unlink("./164/binderfs" [pid 7070] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7070] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7070] exit_group(0) = ? [pid 7080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7070] +++ exited with 0 +++ [pid 7076] <... munmap resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7070, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5072] <... unlink resumed>) = 0 [pid 7080] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./166/binderfs") = 0 [ 227.113075][ T7074] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 227.121108][ T7073] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 227.132377][ T7073] REISERFS (device loop5): using ordered data mode [ 227.156460][ T7073] reiserfs: using flush barriers [pid 5073] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7076] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5072] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7076] <... openat resumed>) = 4 [pid 7076] ioctl(4, LOOP_SET_FD, 3 [pid 7080] 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"..., 4194304 [pid 7076] <... ioctl resumed>) = 0 [pid 7076] close(3) = 0 [pid 7076] mkdir("./file0", 0777) = 0 [ 227.164508][ T7073] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.165727][ T7074] REISERFS (device loop0): using ordered data mode [ 227.190218][ T7076] loop2: detected capacity change from 0 to 8192 [ 227.213021][ T7076] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.238976][ T7073] REISERFS (device loop5): checking transaction log (loop5) [pid 7076] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./166/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [ 227.264987][ T7076] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 227.274888][ T7076] REISERFS (device loop2): using ordered data mode [ 227.282072][ T7076] reiserfs: using flush barriers [ 227.289905][ T7076] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.306824][ T7076] REISERFS (device loop2): checking transaction log (loop2) [pid 5073] close(4) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5073] rmdir("./166/file0" [pid 5072] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7080] <... write resumed>) = 4194304 [pid 7080] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7080] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 227.306853][ T7073] REISERFS (device loop5): Using r5 hash to sort names [ 227.314347][ T7074] reiserfs: using flush barriers [ 227.322311][ T7076] REISERFS (device loop2): Using r5 hash to sort names [ 227.334826][ T7074] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 227.344936][ T7076] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7080] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... rmdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] getdents64(3, [pid 5072] lstat("./164/file0", [pid 7080] <... ioctl resumed>) = 0 [pid 7080] close(3) = 0 [pid 7080] mkdir("./file0", 0777) = 0 [pid 7080] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7076] <... mount resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7076] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] close(3 [pid 5072] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7076] <... openat resumed>) = 3 [pid 5073] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7076] chdir("./file0" [pid 5073] rmdir("./166" [pid 5072] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7076] <... chdir resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 7076] ioctl(4, LOOP_CLR_FD [pid 5073] mkdir("./167", 0777 [pid 5072] fstat(4, [pid 7076] <... ioctl resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 227.356830][ T7080] loop1: detected capacity change from 0 to 8192 [ 227.370428][ T7073] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.371385][ T7074] REISERFS (device loop0): checking transaction log (loop0) [ 227.384431][ T7076] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 227.394498][ T7073] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7076] close(4 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] getdents64(4, [pid 7076] <... close resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7076] mkdir(NULL, 000 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5072] getdents64(4, [pid 7076] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7076] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] close(3 [pid 5072] close(4 [pid 7076] <... openat resumed>) = 4 [pid 5073] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 7076] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] rmdir("./164/file0" [pid 7076] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... rmdir resumed>) = 0 [pid 7076] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7083 [pid 5072] getdents64(3, [pid 7076] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7076] exit_group(0 [pid 5072] close(3 [pid 7076] <... exit_group resumed>) = ? [pid 5072] <... close resumed>) = 0 [pid 7076] +++ exited with 0 +++ [pid 5072] rmdir("./164") = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7076, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} --- ./strace-static-x86_64: Process 7083 attached [pid 5072] mkdir("./165", 0777 [pid 7083] chdir("./167" [pid 5072] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD [ 227.409887][ T7080] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 227.423344][ T7074] REISERFS (device loop0): Using r5 hash to sort names [ 227.432786][ T7074] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.453299][ T7080] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5071] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7083] <... chdir resumed>) = 0 [pid 7073] <... mount resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7083] setpgid(0, 0) = 0 [pid 7083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7083] write(3, "1000", 4) = 4 [pid 7083] close(3) = 0 [pid 7083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7083] memfd_create("syzkaller", 0) = 3 [pid 7083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7074] <... mount resumed>) = 0 [pid 7073] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] close(3 [pid 5071] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7074] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7073] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 7074] chdir("./file0" [pid 7073] chdir("./file0" [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] fstat(3, [pid 7074] <... chdir resumed>) = 0 [pid 7073] <... chdir resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7074] ioctl(4, LOOP_CLR_FD [pid 7073] ioctl(4, LOOP_CLR_FD [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7084 [pid 5071] getdents64(3, [pid 7074] <... ioctl resumed>) = 0 [pid 7073] <... ioctl resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7074] close(4 [pid 7073] close(4 [pid 5071] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7074] <... close resumed>) = 0 [pid 7073] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7074] mkdir(NULL, 000 [pid 7073] mkdir(NULL, 000 [pid 5071] lstat("./165/binderfs", [pid 7074] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7073] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7074] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7073] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] unlink("./165/binderfs" [pid 7074] <... openat resumed>) = 4 [pid 7073] <... openat resumed>) = 4 [pid 5071] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7084 attached [pid 7074] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7073] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7084] chdir("./165" [pid 7074] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7073] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7084] <... chdir resumed>) = 0 [pid 7074] mount(NULL, "./bus", NULL, 0, NULL [pid 7073] mount(NULL, "./bus", NULL, 0, NULL [pid 7084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7074] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7073] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7084] <... prctl resumed>) = 0 [pid 7074] exit_group(0 [pid 7073] exit_group(0 [pid 7084] setpgid(0, 0 [pid 7074] <... exit_group resumed>) = ? [pid 7073] <... exit_group resumed>) = ? [pid 7084] <... setpgid resumed>) = 0 [pid 7083] 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"..., 4194304 [pid 7074] +++ exited with 0 +++ [pid 7073] +++ exited with 0 +++ [pid 7084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7073, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 7084] <... openat resumed>) = 3 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7074, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7084] write(3, "1000", 4 [pid 5074] <... restart_syscall resumed>) = 0 [ 227.463114][ T7074] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 227.474407][ T7080] REISERFS (device loop1): using ordered data mode [ 227.482679][ T7080] reiserfs: using flush barriers [ 227.490819][ T7080] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 7084] <... write resumed>) = 4 [pid 5069] <... restart_syscall resumed>) = 0 [pid 7084] close(3) = 0 [pid 5074] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7084] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7084] <... symlink resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7084] memfd_create("syzkaller", 0 [pid 7083] <... write resumed>) = 4194304 [pid 5074] <... openat resumed>) = 3 [pid 7084] <... memfd_create resumed>) = 3 [pid 7083] munmap(0x7f8a1b2e3000, 4194304 [pid 7084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7083] <... munmap resumed>) = 0 [pid 7084] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7083] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] fstat(3, [pid 5071] <... umount2 resumed>) = 0 [ 227.567595][ T7080] REISERFS (device loop1): checking transaction log (loop1) [ 227.592278][ T7080] REISERFS (device loop1): Using r5 hash to sort names [pid 5069] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7083] <... openat resumed>) = 4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 7083] ioctl(4, LOOP_SET_FD, 3 [pid 5074] getdents64(3, [pid 5069] fstat(3, [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] lstat("./169/binderfs", [pid 5069] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./169/binderfs" [pid 5069] lstat("./161/binderfs", [pid 5074] <... unlink resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] unlink("./161/binderfs") = 0 [pid 5069] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./165/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./165/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./165") = 0 [pid 5071] mkdir("./166", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 227.606023][ T7080] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 227.622580][ T7083] loop4: detected capacity change from 0 to 8192 [pid 5071] close(3 [pid 7083] <... ioctl resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 7083] close(3 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7083] <... close resumed>) = 0 [pid 7083] mkdir("./file0", 0777) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7085 [pid 7083] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7085 attached [pid 7085] chdir("./166" [pid 7084] 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"..., 4194304 [pid 7080] <... mount resumed>) = 0 [ 227.665600][ T7080] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 227.683854][ T7083] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7085] <... chdir resumed>) = 0 [pid 7080] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7080] <... openat resumed>) = 3 [pid 7085] <... prctl resumed>) = 0 [pid 7080] chdir("./file0" [pid 7085] setpgid(0, 0 [pid 7080] <... chdir resumed>) = 0 [pid 7085] <... setpgid resumed>) = 0 [pid 7080] ioctl(4, LOOP_CLR_FD [pid 7085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7080] <... ioctl resumed>) = 0 [pid 7085] <... openat resumed>) = 3 [pid 7080] close(4 [pid 7085] write(3, "1000", 4 [pid 7080] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7085] <... write resumed>) = 4 [pid 7080] mkdir(NULL, 000 [pid 7085] close(3 [pid 7080] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7085] <... close resumed>) = 0 [pid 7080] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 227.707720][ T7083] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 227.717143][ T7083] REISERFS (device loop4): using ordered data mode [ 227.724115][ T7083] reiserfs: using flush barriers [ 227.733295][ T7083] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7085] symlink("/dev/binderfs", "./binderfs" [pid 7084] <... write resumed>) = 4194304 [pid 7080] <... openat resumed>) = 4 [pid 7085] <... symlink resumed>) = 0 [pid 7080] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7085] memfd_create("syzkaller", 0 [pid 7080] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7085] <... memfd_create resumed>) = 3 [pid 7080] mount(NULL, "./bus", NULL, 0, NULL [pid 7085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7080] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7085] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7080] exit_group(0 [pid 7084] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7080] <... exit_group resumed>) = ? [pid 5069] lstat("./161/file0", [pid 7084] <... munmap resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7084] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] lstat("./169/file0", [pid 5069] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7084] <... openat resumed>) = 4 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7084] ioctl(4, LOOP_SET_FD, 3 [pid 7080] +++ exited with 0 +++ [pid 5074] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7084] <... ioctl resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 7084] close(3 [pid 5074] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7080, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} --- [pid 5069] fstat(4, [pid 7084] <... close resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5070] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7084] mkdir("./file0", 0777 [pid 5074] fstat(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(4, [pid 7084] <... mkdir resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7084] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] getdents64(4, [pid 5070] <... openat resumed>) = 3 [pid 5069] getdents64(4, [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] fstat(3, [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] getdents64(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] close(4 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(3, [pid 5069] <... close resumed>) = 0 [pid 5074] close(4 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] rmdir("./161/file0" [pid 5074] <... close resumed>) = 0 [pid 5070] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... rmdir resumed>) = 0 [pid 5074] rmdir("./169/file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(3, [pid 5074] <... rmdir resumed>) = 0 [pid 5070] lstat("./164/binderfs", [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] getdents64(3, [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] close(3 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] unlink("./164/binderfs" [pid 5069] <... close resumed>) = 0 [pid 5074] close(3 [pid 5070] <... unlink resumed>) = 0 [pid 5069] rmdir("./161" [pid 5074] <... close resumed>) = 0 [pid 5070] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... rmdir resumed>) = 0 [pid 5074] rmdir("./169" [ 227.775725][ T7083] REISERFS (device loop4): checking transaction log (loop4) [ 227.787357][ T7083] REISERFS (device loop4): Using r5 hash to sort names [ 227.799711][ T7084] loop3: detected capacity change from 0 to 8192 [ 227.807829][ T7083] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5069] mkdir("./162", 0777 [pid 5074] <... rmdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5074] mkdir("./170", 0777 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5074] <... mkdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5074] <... openat resumed>) = 3 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5069] close(3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... close resumed>) = 0 [pid 5074] close(3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7088 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7089 ./strace-static-x86_64: Process 7089 attached ./strace-static-x86_64: Process 7088 attached [pid 7089] chdir("./170" [pid 7088] chdir("./162" [pid 7089] <... chdir resumed>) = 0 [pid 7089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7088] <... chdir resumed>) = 0 [pid 7089] <... prctl resumed>) = 0 [pid 7088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7089] setpgid(0, 0 [pid 7088] <... prctl resumed>) = 0 [pid 7089] <... setpgid resumed>) = 0 [pid 7088] setpgid(0, 0 [pid 7089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7088] <... setpgid resumed>) = 0 [pid 7089] <... openat resumed>) = 3 [pid 7088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7089] write(3, "1000", 4 [pid 7088] <... openat resumed>) = 3 [pid 7089] <... write resumed>) = 4 [pid 7088] write(3, "1000", 4 [pid 7089] close(3 [pid 7088] <... write resumed>) = 4 [pid 7089] <... close resumed>) = 0 [pid 7088] close(3 [pid 7089] symlink("/dev/binderfs", "./binderfs" [pid 7088] <... close resumed>) = 0 [pid 7089] <... symlink resumed>) = 0 [pid 7088] symlink("/dev/binderfs", "./binderfs" [pid 7089] memfd_create("syzkaller", 0 [pid 7088] <... symlink resumed>) = 0 [pid 7089] <... memfd_create resumed>) = 3 [pid 7088] memfd_create("syzkaller", 0 [pid 7089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7088] <... memfd_create resumed>) = 3 [pid 7089] <... mmap resumed>) = 0x7f8a1b2e3000 [ 227.822414][ T7084] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7085] 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"..., 4194304 [pid 7088] <... mmap resumed>) = 0x7f8a1b2e3000 [ 227.876691][ T7084] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 227.885982][ T7084] REISERFS (device loop3): using ordered data mode [ 227.887727][ T7083] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 227.893833][ T7084] reiserfs: using flush barriers [pid 7088] 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"..., 4194304 [pid 7083] <... mount resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 7089] 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"..., 4194304 [pid 7083] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5070] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7083] chdir("./file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7083] <... chdir resumed>) = 0 [pid 5070] lstat("./164/file0", [pid 7083] ioctl(4, LOOP_CLR_FD [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7083] <... ioctl resumed>) = 0 [pid 5070] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7083] close(4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7083] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7083] mkdir(NULL, 000 [pid 5070] <... openat resumed>) = 4 [pid 7083] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] fstat(4, [pid 7083] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7083] <... openat resumed>) = 4 [pid 7083] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7088] <... write resumed>) = 4194304 [pid 5070] getdents64(4, [pid 7088] munmap(0x7f8a1b2e3000, 4194304 [pid 7083] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [ 227.943914][ T7084] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7088] <... munmap resumed>) = 0 [pid 7083] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] getdents64(4, [pid 7088] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7083] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7088] <... openat resumed>) = 4 [pid 7085] <... write resumed>) = 4194304 [pid 7083] exit_group(0 [pid 7088] ioctl(4, LOOP_SET_FD, 3 [pid 7085] munmap(0x7f8a1b2e3000, 4194304 [pid 7083] <... exit_group resumed>) = ? [pid 5070] close(4 [pid 7083] +++ exited with 0 +++ [pid 5070] <... close resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7083, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5070] rmdir("./164/file0" [pid 7085] <... munmap resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 7085] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] <... rmdir resumed>) = 0 [pid 7088] <... ioctl resumed>) = 0 [pid 7085] <... openat resumed>) = 4 [pid 7088] close(3 [pid 7085] ioctl(4, LOOP_SET_FD, 3 [pid 5073] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 228.004001][ T7084] REISERFS (device loop3): checking transaction log (loop3) [ 228.021287][ T7084] REISERFS (device loop3): Using r5 hash to sort names [ 228.021707][ T7088] loop0: detected capacity change from 0 to 8192 [ 228.043984][ T7085] loop2: detected capacity change from 0 to 8192 [pid 7088] <... close resumed>) = 0 [pid 7085] <... ioctl resumed>) = 0 [pid 5073] unlink("./167/binderfs" [pid 5070] close(3 [pid 7088] mkdir("./file0", 0777 [pid 7085] close(3 [pid 5073] <... unlink resumed>) = 0 [pid 7088] <... mkdir resumed>) = 0 [pid 7085] <... close resumed>) = 0 [pid 5073] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 7089] <... write resumed>) = 4194304 [pid 7088] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7085] mkdir("./file0", 0777 [pid 7089] munmap(0x7f8a1b2e3000, 4194304 [pid 5070] rmdir("./164" [pid 7085] <... mkdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 7089] <... munmap resumed>) = 0 [pid 7089] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7085] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] mkdir("./165", 0777 [pid 7089] <... openat resumed>) = 4 [pid 5070] <... mkdir resumed>) = 0 [ 228.047429][ T7084] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.072344][ T7084] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 228.088824][ T7089] loop5: detected capacity change from 0 to 8192 [pid 7089] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7084] <... mount resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7089] close(3 [pid 7084] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... openat resumed>) = 3 [pid 7089] <... close resumed>) = 0 [pid 7084] <... openat resumed>) = 3 [pid 7089] mkdir("./file0", 0777 [pid 7084] chdir("./file0" [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7089] <... mkdir resumed>) = 0 [pid 7084] <... chdir resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7089] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7084] ioctl(4, LOOP_CLR_FD [pid 5070] close(3 [pid 7084] <... ioctl resumed>) = 0 [pid 7084] close(4 [pid 5073] <... umount2 resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 7084] <... close resumed>) = 0 [pid 5073] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7084] mkdir(NULL, 000 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7084] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] lstat("./167/file0", [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7093 [ 228.097166][ T7088] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.097368][ T7085] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.136458][ T7085] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7084] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7093 attached [pid 7084] <... openat resumed>) = 4 [pid 5073] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7093] chdir("./165" [pid 7084] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7084] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7093] <... chdir resumed>) = 0 [pid 7084] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... openat resumed>) = 4 [pid 7093] prctl(PR_SET_PDEATHSIG, SIGKILL [ 228.150623][ T7088] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 228.160625][ T7089] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.160985][ T7088] REISERFS (device loop0): using ordered data mode [ 228.180287][ T7085] REISERFS (device loop2): using ordered data mode [ 228.182087][ T7088] reiserfs: using flush barriers [pid 7084] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] fstat(4, [pid 7093] <... prctl resumed>) = 0 [pid 7084] exit_group(0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7084] <... exit_group resumed>) = ? [pid 5073] getdents64(4, [pid 7084] +++ exited with 0 +++ [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7084, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5072] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] rmdir("./167/file0" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... rmdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] getdents64(3, [pid 5072] <... openat resumed>) = 3 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] fstat(3, [pid 5073] close(3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... close resumed>) = 0 [pid 5072] getdents64(3, [pid 5073] rmdir("./167" [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] <... rmdir resumed>) = 0 [pid 5072] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] mkdir("./168", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7093] setpgid(0, 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5072] lstat("./165/binderfs", [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5072] unlink("./165/binderfs" [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5072] <... unlink resumed>) = 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] close(3 [pid 7093] <... setpgid resumed>) = 0 [pid 5073] <... close resumed>) = 0 [ 228.196904][ T7088] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.214405][ T7089] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 228.224326][ T7085] reiserfs: using flush barriers [ 228.230776][ T7088] REISERFS (device loop0): checking transaction log (loop0) [ 228.240333][ T7089] REISERFS (device loop5): using ordered data mode [ 228.240819][ T7088] REISERFS (device loop0): Using r5 hash to sort names [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7094 attached [pid 7093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7094] chdir("./168" [pid 7093] <... openat resumed>) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7094 [pid 7094] <... chdir resumed>) = 0 [pid 7093] write(3, "1000", 4 [pid 7094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7094] setpgid(0, 0) = 0 [pid 7094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7094] write(3, "1000", 4) = 4 [pid 7094] close(3) = 0 [pid 7094] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7094] memfd_create("syzkaller", 0) = 3 [pid 7094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7093] <... write resumed>) = 4 [pid 7093] close(3) = 0 [pid 7093] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7093] memfd_create("syzkaller", 0) = 3 [pid 7093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 228.247189][ T7089] reiserfs: using flush barriers [ 228.263622][ T7089] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.280644][ T7085] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7094] 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"..., 4194304 [pid 5072] lstat("./165/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./165/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./165") = 0 [pid 5072] mkdir("./166", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 228.316620][ T7088] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.350585][ T7089] REISERFS (device loop5): checking transaction log (loop5) [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7095 ./strace-static-x86_64: Process 7095 attached [pid 7095] chdir("./166") = 0 [pid 7093] 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"..., 4194304 [pid 7088] <... mount resumed>) = 0 [pid 7095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7088] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7095] <... prctl resumed>) = 0 [pid 7088] <... openat resumed>) = 3 [pid 7095] setpgid(0, 0 [pid 7088] chdir("./file0" [pid 7095] <... setpgid resumed>) = 0 [pid 7088] <... chdir resumed>) = 0 [pid 7095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7088] ioctl(4, LOOP_CLR_FD [pid 7095] <... openat resumed>) = 3 [pid 7088] <... ioctl resumed>) = 0 [pid 7095] write(3, "1000", 4 [pid 7088] close(4 [pid 7095] <... write resumed>) = 4 [pid 7088] <... close resumed>) = 0 [pid 7095] close(3 [pid 7088] mkdir(NULL, 000 [pid 7095] <... close resumed>) = 0 [pid 7095] symlink("/dev/binderfs", "./binderfs" [pid 7088] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7095] <... symlink resumed>) = 0 [pid 7088] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7095] memfd_create("syzkaller", 0) = 3 [pid 7088] <... openat resumed>) = 4 [ 228.366979][ T7085] REISERFS (device loop2): checking transaction log (loop2) [ 228.386664][ T7088] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 228.398987][ T7089] REISERFS (device loop5): Using r5 hash to sort names [pid 7095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7088] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7095] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7088] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7088] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7094] <... write resumed>) = 4194304 [pid 7088] exit_group(0) = ? [pid 7094] munmap(0x7f8a1b2e3000, 4194304 [pid 7088] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7088, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5069] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./162/binderfs") = 0 [pid 5069] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7094] <... munmap resumed>) = 0 [pid 7094] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 228.423596][ T7089] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.452340][ T7085] REISERFS (device loop2): Using r5 hash to sort names [pid 7094] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7094] close(3) = 0 [pid 7094] mkdir("./file0", 0777) = 0 [ 228.470194][ T7094] loop4: detected capacity change from 0 to 8192 [ 228.480689][ T7085] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.494073][ T7089] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7094] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7093] <... write resumed>) = 4194304 [pid 7093] munmap(0x7f8a1b2e3000, 4194304 [pid 7089] <... mount resumed>) = 0 [pid 7095] 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"..., 4194304 [pid 7093] <... munmap resumed>) = 0 [ 228.521891][ T7094] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.558926][ T7094] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7089] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7093] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7089] <... openat resumed>) = 3 [pid 7089] chdir("./file0" [pid 7093] <... openat resumed>) = 4 [pid 7089] <... chdir resumed>) = 0 [pid 7093] ioctl(4, LOOP_SET_FD, 3 [pid 7089] ioctl(4, LOOP_CLR_FD) = 0 [pid 7089] close(4) = 0 [pid 7089] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7089] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7089] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7089] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7093] <... ioctl resumed>) = 0 [pid 7089] exit_group(0 [pid 7093] close(3 [pid 7089] <... exit_group resumed>) = ? [pid 7093] <... close resumed>) = 0 [pid 7089] +++ exited with 0 +++ [pid 7093] mkdir("./file0", 0777) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7089, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 7093] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... umount2 resumed>) = 0 [pid 5074] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 228.568507][ T7094] REISERFS (device loop4): using ordered data mode [ 228.571415][ T7085] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 228.584636][ T7094] reiserfs: using flush barriers [ 228.592295][ T7093] loop1: detected capacity change from 0 to 8192 [ 228.599506][ T7094] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5074] unlink("./170/binderfs" [pid 5069] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./162/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./162/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./162" [pid 5074] <... unlink resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5074] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7095] <... write resumed>) = 4194304 [pid 7085] <... mount resumed>) = 0 [pid 5069] mkdir("./163", 0777 [pid 7085] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7095] munmap(0x7f8a1b2e3000, 4194304 [pid 7085] chdir("./file0" [pid 5069] <... mkdir resumed>) = 0 [pid 7095] <... munmap resumed>) = 0 [pid 7085] <... chdir resumed>) = 0 [pid 7095] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7085] ioctl(4, LOOP_CLR_FD [pid 7095] <... openat resumed>) = 4 [pid 7085] <... ioctl resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 228.642458][ T7093] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.660158][ T7093] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 228.671011][ T7093] REISERFS (device loop1): using ordered data mode [ 228.673346][ T7094] REISERFS (device loop4): checking transaction log (loop4) [ 228.678021][ T7093] reiserfs: using flush barriers [pid 7095] ioctl(4, LOOP_SET_FD, 3 [pid 7085] close(4 [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 7085] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7098 [pid 7095] <... ioctl resumed>) = 0 [pid 7085] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7085] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7085] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [ 228.691717][ T7093] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 228.694419][ T7095] loop3: detected capacity change from 0 to 8192 [ 228.716131][ T7094] REISERFS (device loop4): Using r5 hash to sort names [ 228.723354][ T7094] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7095] close(3 [pid 7085] mount(NULL, "./bus", NULL, 0, NULL./strace-static-x86_64: Process 7098 attached [pid 7095] <... close resumed>) = 0 [pid 7094] <... mount resumed>) = 0 [pid 7085] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... umount2 resumed>) = 0 [pid 7098] chdir("./163" [pid 7095] mkdir("./file0", 0777 [pid 7094] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7085] exit_group(0 [pid 5074] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7098] <... chdir resumed>) = 0 [pid 7095] <... mkdir resumed>) = 0 [pid 7094] <... openat resumed>) = 3 [pid 7085] <... exit_group resumed>) = ? [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7095] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7094] chdir("./file0" [pid 7085] +++ exited with 0 +++ [pid 5074] lstat("./170/file0", [pid 7098] <... prctl resumed>) = 0 [pid 7094] <... chdir resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7085, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 7098] setpgid(0, 0 [pid 7094] ioctl(4, LOOP_CLR_FD [pid 5074] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 7098] <... setpgid resumed>) = 0 [pid 7094] <... ioctl resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... restart_syscall resumed>) = 0 [ 228.736749][ T7093] REISERFS (device loop1): checking transaction log (loop1) [ 228.744593][ T7094] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 228.747067][ T7093] REISERFS (device loop1): Using r5 hash to sort names [pid 7098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7094] close(4 [pid 5074] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7098] <... openat resumed>) = 3 [pid 7094] <... close resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [pid 7098] write(3, "1000", 4 [pid 7094] mkdir(NULL, 000 [pid 5074] fstat(4, [pid 7098] <... write resumed>) = 4 [pid 7094] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7098] close(3 [pid 7094] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] getdents64(4, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7098] <... close resumed>) = 0 [pid 7094] <... openat resumed>) = 4 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7098] symlink("/dev/binderfs", "./binderfs" [pid 7094] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] getdents64(4, [pid 5071] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7098] <... symlink resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 7094] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7098] memfd_create("syzkaller", 0 [pid 5074] close(4 [pid 5071] fstat(3, [pid 7094] mount(NULL, "./bus", NULL, 0, NULL [pid 7098] <... memfd_create resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7094] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] rmdir("./170/file0" [pid 5071] getdents64(3, [pid 7098] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7094] exit_group(0 [pid 5074] getdents64(3, [pid 5071] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7093] <... mount resumed>) = 0 [pid 7093] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7094] <... exit_group resumed>) = ? [pid 5071] lstat("./166/binderfs", [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7093] <... openat resumed>) = 3 [pid 7093] chdir("./file0" [pid 7094] +++ exited with 0 +++ [pid 5074] close(3 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... close resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7094, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5071] unlink("./166/binderfs" [pid 5074] rmdir("./170" [pid 5071] <... unlink resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5073] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] mkdir("./171", 0777 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7093] <... chdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7093] ioctl(4, LOOP_CLR_FD [pid 5074] <... mkdir resumed>) = 0 [pid 5073] fstat(3, [pid 7093] <... ioctl resumed>) = 0 [ 228.782910][ T7093] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 228.788325][ T7095] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 228.798194][ T7093] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7093] close(4) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7093] mkdir(NULL, 000 [pid 5074] <... openat resumed>) = 3 [pid 5073] getdents64(3, [pid 7093] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7093] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7098] 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"..., 4194304 [pid 7093] <... openat resumed>) = 4 [pid 5074] close(3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7093] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... close resumed>) = 0 [pid 5073] lstat("./168/binderfs", [pid 7093] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7093] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] unlink("./168/binderfs" [pid 7093] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7100 [pid 5073] <... unlink resumed>) = 0 [pid 7093] exit_group(0 [pid 5073] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7093] <... exit_group resumed>) = ? [pid 7093] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7093, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- ./strace-static-x86_64: Process 7100 attached [pid 5070] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7100] chdir("./171" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7100] <... chdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 228.836550][ T7095] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 228.846033][ T7095] REISERFS (device loop3): using ordered data mode [ 228.852674][ T7095] reiserfs: using flush barriers [ 228.860090][ T7095] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... openat resumed>) = 3 [pid 7100] <... prctl resumed>) = 0 [pid 5070] fstat(3, [pid 7100] setpgid(0, 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7100] <... setpgid resumed>) = 0 [pid 5070] getdents64(3, [pid 7100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7100] <... openat resumed>) = 3 [pid 5070] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7100] write(3, "1000", 4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7100] <... write resumed>) = 4 [pid 5070] lstat("./165/binderfs", [pid 7100] close(3 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7100] <... close resumed>) = 0 [pid 5070] unlink("./165/binderfs" [pid 7100] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... unlink resumed>) = 0 [pid 7100] <... symlink resumed>) = 0 [pid 5070] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7100] memfd_create("syzkaller", 0) = 3 [pid 7100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7098] <... write resumed>) = 4194304 [pid 7100] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7098] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 7098] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7098] <... openat resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7098] ioctl(4, LOOP_SET_FD, 3 [pid 5071] lstat("./166/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 228.951544][ T7095] REISERFS (device loop3): checking transaction log (loop3) [ 228.967666][ T7095] REISERFS (device loop3): Using r5 hash to sort names [ 228.991675][ T7098] loop0: detected capacity change from 0 to 8192 [pid 7098] <... ioctl resumed>) = 0 [pid 5071] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7098] close(3) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7098] mkdir("./file0", 0777) = 0 [pid 5071] <... openat resumed>) = 4 [pid 7098] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./166/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./166") = 0 [pid 5071] mkdir("./167", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] <... umount2 resumed>) = 0 [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7102 ./strace-static-x86_64: Process 7102 attached [pid 7102] chdir("./167") = 0 [pid 7102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7102] setpgid(0, 0) = 0 [pid 7102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7102] write(3, "1000", 4 [pid 5073] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7102] <... write resumed>) = 4 [pid 7100] 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"..., 4194304 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7102] close(3 [ 228.994723][ T7095] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] lstat("./168/file0", [pid 7102] <... close resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7102] symlink("/dev/binderfs", "./binderfs" [pid 5073] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7102] <... symlink resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7102] memfd_create("syzkaller", 0) = 3 [pid 5073] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... openat resumed>) = 4 [pid 7102] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] fstat(4, [pid 5070] <... umount2 resumed>) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./168/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./168") = 0 [pid 5073] mkdir("./169", 0777 [pid 7095] <... mount resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5070] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7103 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./165/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7103 attached [pid 5070] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7103] chdir("./169") = 0 [pid 7103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... openat resumed>) = 4 [pid 7103] <... prctl resumed>) = 0 [pid 7103] setpgid(0, 0 [pid 5070] fstat(4, [pid 7103] <... setpgid resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7095] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7103] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 7095] <... openat resumed>) = 3 [pid 7103] write(3, "1000", 4 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7103] <... write resumed>) = 4 [ 229.065959][ T7098] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.080396][ T7095] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 229.093995][ T7098] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5070] getdents64(4, [pid 7095] chdir("./file0" [pid 7103] close(3) = 0 [pid 7103] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7103] memfd_create("syzkaller", 0) = 3 [pid 7103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7095] <... chdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7095] ioctl(4, LOOP_CLR_FD [pid 5070] close(4 [pid 7095] <... ioctl resumed>) = 0 [pid 7095] close(4 [pid 5070] <... close resumed>) = 0 [pid 7095] <... close resumed>) = 0 [pid 5070] rmdir("./165/file0" [pid 7095] mkdir(NULL, 000 [pid 5070] <... rmdir resumed>) = 0 [pid 7095] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7102] 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"..., 4194304 [ 229.128902][ T7098] REISERFS (device loop0): using ordered data mode [ 229.135480][ T7098] reiserfs: using flush barriers [ 229.143148][ T7098] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7095] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] getdents64(3, [pid 7095] <... openat resumed>) = 4 [pid 7095] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7095] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7095] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] close(3 [pid 7095] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... close resumed>) = 0 [pid 7095] exit_group(0 [pid 5070] rmdir("./165" [pid 7095] <... exit_group resumed>) = ? [pid 5070] <... rmdir resumed>) = 0 [pid 7095] +++ exited with 0 +++ [pid 5070] mkdir("./166", 0777 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7095, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5070] <... mkdir resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7100] <... write resumed>) = 4194304 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5072] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7103] 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"..., 4194304 [pid 5072] <... openat resumed>) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./166/binderfs") = 0 [pid 5072] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 229.183859][ T7098] REISERFS (device loop0): checking transaction log (loop0) [ 229.209295][ T7098] REISERFS (device loop0): Using r5 hash to sort names [ 229.217529][ T7098] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7100] munmap(0x7f8a1b2e3000, 4194304 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 7100] <... munmap resumed>) = 0 [pid 7100] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7100] ioctl(4, LOOP_SET_FD, 3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7104 ./strace-static-x86_64: Process 7104 attached [pid 7104] chdir("./166") = 0 [pid 7104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7098] <... mount resumed>) = 0 [pid 7104] <... prctl resumed>) = 0 [pid 7098] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7104] setpgid(0, 0) = 0 [pid 7104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7098] <... openat resumed>) = 3 [pid 7104] <... openat resumed>) = 3 [pid 7100] <... ioctl resumed>) = 0 [pid 7098] chdir("./file0" [pid 7104] write(3, "1000", 4 [pid 7100] close(3 [pid 7104] <... write resumed>) = 4 [pid 7100] <... close resumed>) = 0 [pid 7104] close(3 [pid 7100] mkdir("./file0", 0777 [pid 7104] <... close resumed>) = 0 [pid 7100] <... mkdir resumed>) = 0 [pid 7098] <... chdir resumed>) = 0 [pid 7104] symlink("/dev/binderfs", "./binderfs" [pid 7100] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7104] <... symlink resumed>) = 0 [pid 7098] ioctl(4, LOOP_CLR_FD [pid 7104] memfd_create("syzkaller", 0 [pid 7098] <... ioctl resumed>) = 0 [pid 7104] <... memfd_create resumed>) = 3 [pid 7104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 229.231591][ T7098] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 229.243701][ T7100] loop5: detected capacity change from 0 to 8192 [pid 7098] close(4) = 0 [pid 7098] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7098] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7098] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7098] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7098] exit_group(0) = ? [pid 7098] +++ exited with 0 +++ [pid 5072] <... umount2 resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7098, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5069] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] lstat("./166/file0", [pid 5069] <... openat resumed>) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] lstat("./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./163/binderfs" [pid 5072] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... unlink resumed>) = 0 [ 229.310415][ T7100] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5069] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7104] 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"..., 4194304 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [ 229.353094][ T7100] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 229.376351][ T7100] REISERFS (device loop5): using ordered data mode [ 229.383728][ T7100] reiserfs: using flush barriers [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7102] <... write resumed>) = 4194304 [pid 5072] close(4 [pid 7102] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] <... close resumed>) = 0 [pid 5072] rmdir("./166/file0" [pid 7102] <... munmap resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7102] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5072] close(3 [pid 7103] <... write resumed>) = 4194304 [pid 7102] <... openat resumed>) = 4 [pid 5072] <... close resumed>) = 0 [pid 7102] ioctl(4, LOOP_SET_FD, 3 [pid 5072] rmdir("./166" [pid 7103] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7103] <... munmap resumed>) = 0 [pid 5072] mkdir("./167", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7103] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] <... openat resumed>) = 3 [pid 7103] <... openat resumed>) = 4 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 7103] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7104] <... write resumed>) = 4194304 [pid 7102] <... ioctl resumed>) = 0 [pid 5072] close(3 [pid 5069] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 229.397668][ T7100] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 229.431439][ T7102] loop2: detected capacity change from 0 to 8192 [ 229.432446][ T7100] REISERFS (device loop5): checking transaction log (loop5) [ 229.447082][ T7103] loop4: detected capacity change from 0 to 8192 [pid 7104] munmap(0x7f8a1b2e3000, 4194304 [pid 7103] <... ioctl resumed>) = 0 [pid 7102] close(3 [pid 5072] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7104] <... munmap resumed>) = 0 [pid 7103] close(3 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7103] <... close resumed>) = 0 [pid 7103] mkdir("./file0", 0777 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7106 [pid 7103] <... mkdir resumed>) = 0 [pid 7103] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7106 attached [pid 7106] chdir("./167") = 0 [pid 7102] <... close resumed>) = 0 [pid 7102] mkdir("./file0", 0777 [pid 7104] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7102] <... mkdir resumed>) = 0 [pid 5069] lstat("./163/file0", [pid 7102] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7106] setpgid(0, 0) = 0 [pid 7106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7104] <... openat resumed>) = 4 [ 229.458576][ T7100] REISERFS (device loop5): Using r5 hash to sort names [ 229.465685][ T7100] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 229.478815][ T7100] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 229.490509][ T7104] loop1: detected capacity change from 0 to 8192 [pid 7106] <... openat resumed>) = 3 [pid 7104] ioctl(4, LOOP_SET_FD, 3 [pid 7100] <... mount resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7100] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7100] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7100] chdir("./file0" [pid 5069] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7104] <... ioctl resumed>) = 0 [pid 7100] <... chdir resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 7104] close(3 [pid 7100] ioctl(4, LOOP_CLR_FD [pid 5069] fstat(4, [pid 7104] <... close resumed>) = 0 [pid 7100] <... ioctl resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7104] mkdir("./file0", 0777 [pid 7100] close(4 [pid 5069] getdents64(4, [pid 7104] <... mkdir resumed>) = 0 [pid 7100] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7104] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7100] mkdir(NULL, 000 [pid 5069] getdents64(4, [pid 7100] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7100] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] close(4 [pid 7100] <... openat resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 7100] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5069] rmdir("./163/file0" [pid 7100] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 7100] mount(NULL, "./bus", NULL, 0, NULL [pid 5069] getdents64(3, [pid 7100] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7100] exit_group(0 [pid 5069] close(3 [pid 7100] <... exit_group resumed>) = ? [pid 5069] <... close resumed>) = 0 [pid 7100] +++ exited with 0 +++ [pid 5069] rmdir("./163") = 0 [pid 5069] mkdir("./164", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7109 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7100, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5074] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./171/binderfs") = 0 [pid 5074] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7106] write(3, "1000", 4) = 4 [pid 7106] close(3) = 0 [pid 7106] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7106] memfd_create("syzkaller", 0) = 3 [pid 7106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 229.490510][ T7103] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.490533][ T7103] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 229.510777][ T7102] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.532831][ T7102] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 229.543007][ T7102] REISERFS (device loop2): using ordered data mode ./strace-static-x86_64: Process 7109 attached [pid 7109] chdir("./164") = 0 [ 229.543621][ T7104] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 229.549793][ T7102] reiserfs: using flush barriers [ 229.569508][ T7103] REISERFS (device loop4): using ordered data mode [ 229.576083][ T7103] reiserfs: using flush barriers [ 229.582331][ T7103] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 229.599592][ T7103] REISERFS (device loop4): checking transaction log (loop4) [pid 7109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7109] setpgid(0, 0) = 0 [pid 7109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7109] write(3, "1000", 4) = 4 [pid 7109] close(3) = 0 [pid 7109] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7109] memfd_create("syzkaller", 0) = 3 [pid 7109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 229.606359][ T7102] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 229.624108][ T7102] REISERFS (device loop2): checking transaction log (loop2) [ 229.633005][ T7102] REISERFS (device loop2): Using r5 hash to sort names [ 229.636316][ T7103] REISERFS (device loop4): Using r5 hash to sort names [ 229.640215][ T7102] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7102] <... mount resumed>) = 0 [pid 7102] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7102] chdir("./file0") = 0 [pid 7102] ioctl(4, LOOP_CLR_FD) = 0 [pid 7102] close(4) = 0 [pid 7102] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7102] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7102] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7102] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7106] 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"..., 4194304 [ 229.659805][ T7102] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 229.690143][ T7104] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7102] exit_group(0) = ? [pid 7102] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7102, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5071] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./167/binderfs") = 0 [ 229.696834][ T7103] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5071] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7106] <... write resumed>) = 4194304 [pid 7106] munmap(0x7f8a1b2e3000, 4194304 [pid 7103] <... mount resumed>) = 0 [pid 7109] 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"..., 4194304 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7106] <... munmap resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7106] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5071] lstat("./167/file0", [pid 7106] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7103] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7106] close(3 [pid 7103] <... openat resumed>) = 3 [pid 5071] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7106] <... close resumed>) = 0 [pid 7103] chdir("./file0" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 229.746457][ T7104] REISERFS (device loop1): using ordered data mode [ 229.748291][ T7103] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 229.752987][ T7104] reiserfs: using flush barriers [ 229.770551][ T7104] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 229.782078][ T7106] loop3: detected capacity change from 0 to 8192 [pid 7106] mkdir("./file0", 0777 [pid 7103] <... chdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7106] <... mkdir resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 7106] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7103] ioctl(4, LOOP_CLR_FD [pid 5071] fstat(4, [pid 7103] <... ioctl resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7109] <... write resumed>) = 4194304 [pid 7103] close(4 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./167/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./167") = 0 [pid 5071] mkdir("./168", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3 [pid 7109] munmap(0x7f8a1b2e3000, 4194304 [pid 7103] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 7109] <... munmap resumed>) = 0 [pid 7103] mkdir(NULL, 000 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7109] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7103] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7109] <... openat resumed>) = 4 [pid 7103] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7112 [pid 7109] ioctl(4, LOOP_SET_FD, 3 [pid 7103] <... openat resumed>) = 4 [ 229.810300][ T7104] REISERFS (device loop1): checking transaction log (loop1) [ 229.827222][ T7106] REISERFS warning: read_super_block: Using r5 hash to sort names [ 229.827222][ T7106] [ 229.827231][ T7104] REISERFS (device loop1): Using r5 hash to sort names [ 229.827429][ T7104] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! ./strace-static-x86_64: Process 7112 attached [pid 7109] <... ioctl resumed>) = 0 [pid 7103] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... umount2 resumed>) = 0 [pid 7112] chdir("./168" [pid 7109] close(3 [pid 7112] <... chdir resumed>) = 0 [pid 7104] <... mount resumed>) = 0 [pid 7103] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7109] <... close resumed>) = 0 [pid 7112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7104] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7112] <... prctl resumed>) = 0 [pid 7109] mkdir("./file0", 0777 [pid 7103] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7112] setpgid(0, 0 [pid 7109] <... mkdir resumed>) = 0 [pid 7104] <... openat resumed>) = 3 [pid 7103] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] lstat("./171/file0", [pid 7112] <... setpgid resumed>) = 0 [pid 7109] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7104] chdir("./file0" [pid 7103] exit_group(0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 229.872062][ T7109] loop0: detected capacity change from 0 to 8192 [ 229.876414][ T7106] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 229.882382][ T7104] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 229.897869][ T7106] REISERFS (device loop3): using ordered data mode [ 229.904835][ T7106] reiserfs: using flush barriers [pid 7112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7104] <... chdir resumed>) = 0 [pid 7103] <... exit_group resumed>) = ? [pid 5074] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7112] write(3, "1000", 4 [pid 7104] ioctl(4, LOOP_CLR_FD [pid 7112] <... write resumed>) = 4 [pid 7104] <... ioctl resumed>) = 0 [pid 7103] +++ exited with 0 +++ [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7112] close(3 [pid 7104] close(4 [pid 5074] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7103, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7112] <... close resumed>) = 0 [pid 7104] <... close resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [pid 7104] mkdir(NULL, 000 [pid 5074] fstat(4, [pid 7104] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7104] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] getdents64(4, [pid 7104] <... openat resumed>) = 4 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7104] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] getdents64(4, [pid 7104] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7104] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] close(4 [pid 7104] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... close resumed>) = 0 [pid 7104] exit_group(0 [pid 5074] rmdir("./171/file0" [pid 7104] <... exit_group resumed>) = ? [pid 5074] <... rmdir resumed>) = 0 [pid 7104] +++ exited with 0 +++ [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7104, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5074] close(3) = 0 [pid 5074] rmdir("./171") = 0 [pid 5074] mkdir("./172", 0777 [pid 7112] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... mkdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7112] <... symlink resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5070] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7112] memfd_create("syzkaller", 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7112] <... memfd_create resumed>) = 3 [pid 5074] close(3 [pid 5070] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] fstat(3, [pid 7112] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7114 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./166/binderfs") = 0 [ 229.912720][ T7106] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 229.937554][ T7109] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5070] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./169/binderfs") = 0 [ 229.968583][ T7106] REISERFS (device loop3): checking transaction log (loop3) [ 229.976427][ T7109] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 229.985927][ T7109] REISERFS (device loop0): using ordered data mode [ 229.992863][ T7109] reiserfs: using flush barriers [ 229.998091][ T7106] REISERFS (device loop3): Using r5 hash to sort names [ 230.005181][ T7106] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7114 attached [pid 7106] <... mount resumed>) = 0 [pid 7114] chdir("./172" [pid 7106] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7114] <... chdir resumed>) = 0 [pid 7106] <... openat resumed>) = 3 [pid 7114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7106] chdir("./file0" [pid 7114] <... prctl resumed>) = 0 [pid 7106] <... chdir resumed>) = 0 [pid 7114] setpgid(0, 0 [pid 7106] ioctl(4, LOOP_CLR_FD [pid 7114] <... setpgid resumed>) = 0 [pid 7106] <... ioctl resumed>) = 0 [pid 7114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7106] close(4 [pid 7114] <... openat resumed>) = 3 [pid 7106] <... close resumed>) = 0 [pid 7114] write(3, "1000", 4 [pid 7106] mkdir(NULL, 000 [pid 7114] <... write resumed>) = 4 [pid 7112] 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"..., 4194304 [pid 7106] <... mkdir resumed>) = -1 EFAULT (Bad address) [ 230.018587][ T7106] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7114] close(3) = 0 [pid 7106] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7114] symlink("/dev/binderfs", "./binderfs" [pid 7106] <... openat resumed>) = 4 [pid 7114] <... symlink resumed>) = 0 [pid 7106] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7114] memfd_create("syzkaller", 0 [pid 7106] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7114] <... memfd_create resumed>) = 3 [pid 7112] <... write resumed>) = 4194304 [pid 7106] mount(NULL, "./bus", NULL, 0, NULL [pid 7114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7112] munmap(0x7f8a1b2e3000, 4194304 [pid 7106] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7114] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7112] <... munmap resumed>) = 0 [pid 7106] exit_group(0 [pid 7112] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7106] <... exit_group resumed>) = ? [pid 7112] <... openat resumed>) = 4 [ 230.054099][ T7109] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7112] ioctl(4, LOOP_SET_FD, 3 [pid 7106] +++ exited with 0 +++ [pid 7112] <... ioctl resumed>) = 0 [pid 7112] close(3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7106, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 7112] <... close resumed>) = 0 [pid 5072] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7112] mkdir("./file0", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7112] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7112] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = 0 [pid 5072] fstat(3, [pid 5070] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7114] 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"..., 4194304 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./167/binderfs") = 0 [ 230.116691][ T7112] loop2: detected capacity change from 0 to 8192 [ 230.149805][ T7109] REISERFS (device loop0): checking transaction log (loop0) [pid 5072] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = 0 [pid 5070] lstat("./166/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./169/file0", [pid 5070] close(4 [ 230.158066][ T7112] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 230.178062][ T7109] REISERFS (device loop0): Using r5 hash to sort names [ 230.186539][ T7112] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 230.203033][ T7109] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 5070] <... close resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] rmdir("./166/file0" [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5073] close(4 [pid 5070] getdents64(3, [pid 5073] <... close resumed>) = 0 [pid 5073] rmdir("./169/file0" [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7114] <... write resumed>) = 4194304 [pid 5073] <... rmdir resumed>) = 0 [pid 5070] close(3 [pid 7114] munmap(0x7f8a1b2e3000, 4194304 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./169") = 0 [pid 5073] mkdir("./170", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 230.215984][ T7112] REISERFS (device loop2): using ordered data mode [ 230.241581][ T7112] reiserfs: using flush barriers [ 230.248209][ T7112] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5073] close(3 [pid 5070] <... close resumed>) = 0 [pid 7114] <... munmap resumed>) = 0 [pid 7109] <... mount resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] rmdir("./166" [pid 7114] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7109] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7116 ./strace-static-x86_64: Process 7116 attached [pid 7116] chdir("./170" [pid 5072] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7116] <... chdir resumed>) = 0 [pid 7114] <... openat resumed>) = 4 [pid 7109] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... rmdir resumed>) = 0 [pid 7114] ioctl(4, LOOP_SET_FD, 3 [pid 7109] chdir("./file0" [pid 5072] lstat("./167/file0", [pid 5070] mkdir("./167", 0777 [pid 7114] <... ioctl resumed>) = 0 [pid 7109] <... chdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 7116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7109] ioctl(4, LOOP_CLR_FD [pid 5072] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7116] <... prctl resumed>) = 0 [pid 7109] <... ioctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 7116] setpgid(0, 0 [pid 7114] close(3 [ 230.265509][ T7109] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 230.288687][ T7112] REISERFS (device loop2): checking transaction log (loop2) [ 230.298787][ T7114] loop5: detected capacity change from 0 to 8192 [ 230.299307][ T7112] REISERFS (device loop2): Using r5 hash to sort names [pid 7109] close(4 [pid 5072] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7116] <... setpgid resumed>) = 0 [pid 7114] <... close resumed>) = 0 [pid 7109] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7114] mkdir("./file0", 0777 [pid 7109] mkdir(NULL, 000 [pid 5072] fstat(4, [pid 5070] close(3 [pid 7116] <... openat resumed>) = 3 [pid 7114] <... mkdir resumed>) = 0 [pid 7109] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... close resumed>) = 0 [pid 7116] write(3, "1000", 4 [pid 7114] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7109] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] getdents64(4, [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7116] <... write resumed>) = 4 [pid 7109] <... openat resumed>) = 4 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 7118 attached [pid 7116] close(3 [pid 7109] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] getdents64(4, [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7118 [pid 7116] <... close resumed>) = 0 [pid 7109] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7116] symlink("/dev/binderfs", "./binderfs" [pid 7109] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] close(4 [pid 7116] <... symlink resumed>) = 0 [pid 7109] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7118] chdir("./167" [pid 5072] <... close resumed>) = 0 [pid 7118] <... chdir resumed>) = 0 [pid 7116] memfd_create("syzkaller", 0 [pid 7112] <... mount resumed>) = 0 [pid 7109] exit_group(0 [pid 5072] rmdir("./167/file0" [pid 7118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7116] <... memfd_create resumed>) = 3 [pid 7112] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7109] <... exit_group resumed>) = ? [pid 7118] <... prctl resumed>) = 0 [pid 7116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7112] <... openat resumed>) = 3 [pid 5072] <... rmdir resumed>) = 0 [pid 7118] setpgid(0, 0 [pid 7116] <... mmap resumed>) = 0x7f8a1b2e3000 [ 230.313786][ T7112] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 230.328262][ T7112] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 230.331428][ T7114] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7112] chdir("./file0" [pid 7109] +++ exited with 0 +++ [pid 5072] getdents64(3, [pid 7118] <... setpgid resumed>) = 0 [pid 7112] <... chdir resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7109, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 7118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7112] ioctl(4, LOOP_CLR_FD [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 7118] <... openat resumed>) = 3 [pid 7112] <... ioctl resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 7118] write(3, "1000", 4 [pid 7112] close(4 [pid 7118] <... write resumed>) = 4 [pid 7112] <... close resumed>) = 0 [pid 7118] close(3 [pid 7112] mkdir(NULL, 000 [pid 5069] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7118] <... close resumed>) = 0 [pid 7112] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7118] symlink("/dev/binderfs", "./binderfs" [pid 7112] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7118] <... symlink resumed>) = 0 [pid 7112] <... openat resumed>) = 4 [pid 5069] <... openat resumed>) = 3 [pid 7118] memfd_create("syzkaller", 0 [pid 7112] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] fstat(3, [pid 7118] <... memfd_create resumed>) = 3 [pid 7112] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(3 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7112] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 7118] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7112] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] rmdir("./167" [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7112] exit_group(0 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7112] <... exit_group resumed>) = ? [pid 5072] mkdir("./168", 0777 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7112] +++ exited with 0 +++ [pid 5069] lstat("./164/binderfs", [pid 5072] <... mkdir resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7112, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] unlink("./164/binderfs" [pid 5072] <... openat resumed>) = 3 [pid 5069] <... unlink resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(3 [pid 5071] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] <... close resumed>) = 0 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 230.368017][ T7114] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] unlink("./168/binderfs" [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7119 ./strace-static-x86_64: Process 7119 attached [pid 7119] chdir("./168") = 0 [pid 7119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7119] setpgid(0, 0) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 7119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7119] <... openat resumed>) = 3 [ 230.426631][ T7114] REISERFS (device loop5): using ordered data mode [ 230.433212][ T7114] reiserfs: using flush barriers [ 230.444114][ T7114] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 230.461533][ T7114] REISERFS (device loop5): checking transaction log (loop5) [pid 7119] write(3, "1000", 4) = 4 [pid 7119] close(3) = 0 [pid 7119] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7119] memfd_create("syzkaller", 0) = 3 [pid 7119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7116] 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"..., 4194304 [ 230.476963][ T7114] REISERFS (device loop5): Using r5 hash to sort names [ 230.506507][ T7114] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7118] 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"..., 4194304 [pid 5069] <... umount2 resumed>) = 0 [pid 7116] <... write resumed>) = 4194304 [pid 7114] <... mount resumed>) = 0 [pid 5069] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7116] munmap(0x7f8a1b2e3000, 4194304 [pid 7114] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7116] <... munmap resumed>) = 0 [pid 7114] <... openat resumed>) = 3 [pid 7116] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7114] chdir("./file0" [pid 5069] lstat("./164/file0", [pid 7116] <... openat resumed>) = 4 [pid 7114] <... chdir resumed>) = 0 [pid 7116] ioctl(4, LOOP_SET_FD, 3 [pid 7114] ioctl(4, LOOP_CLR_FD [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7114] <... ioctl resumed>) = 0 [pid 5069] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7114] close(4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7114] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7114] mkdir(NULL, 000 [pid 7116] <... ioctl resumed>) = 0 [pid 7114] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 7116] close(3 [pid 7114] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(4, [pid 7114] <... openat resumed>) = 4 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7116] <... close resumed>) = 0 [pid 7114] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7116] mkdir("./file0", 0777 [pid 7114] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./168/file0", [pid 5069] getdents64(4, [pid 7114] mount(NULL, "./bus", NULL, 0, NULL [pid 7116] <... mkdir resumed>) = 0 [pid 7114] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7116] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7114] exit_group(0 [pid 5071] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(4, [pid 7114] <... exit_group resumed>) = ? [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7114] +++ exited with 0 +++ [pid 5071] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 230.541644][ T7114] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 230.576100][ T7116] loop4: detected capacity change from 0 to 8192 [pid 5069] close(4 [pid 5071] <... openat resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7114, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5074] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7119] 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"..., 4194304 [pid 5074] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] fstat(4, [pid 5074] <... openat resumed>) = 3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] rmdir("./164/file0" [pid 5074] fstat(3, [pid 5071] getdents64(4, [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... rmdir resumed>) = 0 [pid 7118] <... write resumed>) = 4194304 [pid 5074] getdents64(3, [pid 5071] getdents64(4, [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./172/binderfs" [pid 7118] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] <... unlink resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(3, [pid 7118] <... munmap resumed>) = 0 [pid 5074] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] close(4 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7118] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] <... close resumed>) = 0 [pid 5069] close(3 [pid 7118] <... openat resumed>) = 4 [pid 5071] rmdir("./168/file0" [pid 5069] <... close resumed>) = 0 [pid 7118] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... rmdir resumed>) = 0 [ 230.609113][ T7116] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 230.627856][ T7116] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 230.638418][ T7116] REISERFS (device loop4): using ordered data mode [ 230.644730][ T7118] loop1: detected capacity change from 0 to 8192 [ 230.645880][ T7116] reiserfs: using flush barriers [pid 5069] rmdir("./164" [pid 5071] getdents64(3, [pid 5069] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] mkdir("./165", 0777 [pid 5071] close(3 [pid 5069] <... mkdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] rmdir("./168" [pid 5069] <... openat resumed>) = 3 [pid 7118] <... ioctl resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7118] close(3 [pid 5071] mkdir("./169", 0777 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7118] <... close resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [ 230.661900][ T7116] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 230.679155][ T7116] REISERFS (device loop4): checking transaction log (loop4) [ 230.689484][ T7116] REISERFS (device loop4): Using r5 hash to sort names [ 230.696969][ T7116] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5069] close(3 [pid 7118] mkdir("./file0", 0777 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 7118] <... mkdir resumed>) = 0 [pid 7116] <... mount resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7118] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7116] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7116] <... openat resumed>) = 3 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7121 [pid 7116] chdir("./file0" [pid 5071] close(3 [pid 7116] <... chdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 7116] ioctl(4, LOOP_CLR_FD [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7116] <... ioctl resumed>) = 0 [pid 7116] close(4 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7123 [pid 7116] <... close resumed>) = 0 ./strace-static-x86_64: Process 7123 attached ./strace-static-x86_64: Process 7121 attached [pid 7119] <... write resumed>) = 4194304 [pid 7116] mkdir(NULL, 000 [pid 5074] <... umount2 resumed>) = 0 [pid 7123] chdir("./169" [pid 7119] munmap(0x7f8a1b2e3000, 4194304 [pid 7116] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7123] <... chdir resumed>) = 0 [pid 7119] <... munmap resumed>) = 0 [pid 7116] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7119] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7116] <... openat resumed>) = 4 [pid 5074] lstat("./172/file0", [pid 7123] <... prctl resumed>) = 0 [pid 7121] chdir("./165" [pid 7119] <... openat resumed>) = 4 [pid 7116] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7123] setpgid(0, 0 [pid 7119] ioctl(4, LOOP_SET_FD, 3 [pid 7116] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7123] <... setpgid resumed>) = 0 [pid 7121] <... chdir resumed>) = 0 [pid 7119] <... ioctl resumed>) = 0 [pid 7116] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7119] close(3 [pid 7116] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7123] <... openat resumed>) = 3 [pid 7121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7119] <... close resumed>) = 0 [pid 7116] exit_group(0 [pid 5074] <... openat resumed>) = 4 [pid 7123] write(3, "1000", 4 [pid 7121] <... prctl resumed>) = 0 [ 230.711831][ T7116] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 230.731924][ T7118] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 230.747670][ T7119] loop3: detected capacity change from 0 to 8192 [pid 7119] mkdir("./file0", 0777 [pid 7116] <... exit_group resumed>) = ? [pid 5074] fstat(4, [pid 7123] <... write resumed>) = 4 [pid 7121] setpgid(0, 0 [pid 7119] <... mkdir resumed>) = 0 [pid 7116] +++ exited with 0 +++ [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7123] close(3 [pid 7119] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] getdents64(4, [pid 7123] <... close resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7123] symlink("/dev/binderfs", "./binderfs" [pid 5074] getdents64(4, [pid 7123] <... symlink resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7123] memfd_create("syzkaller", 0 [pid 5074] close(4 [pid 7123] <... memfd_create resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 7123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] rmdir("./172/file0" [pid 7123] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... rmdir resumed>) = 0 [ 230.764953][ T7118] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 230.781069][ T7118] REISERFS (device loop1): using ordered data mode [ 230.788894][ T7118] reiserfs: using flush barriers [ 230.795450][ T7118] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7121] <... setpgid resumed>) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./172" [pid 7121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... rmdir resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7116, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5074] mkdir("./173", 0777 [pid 7121] <... openat resumed>) = 3 [pid 5074] <... mkdir resumed>) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7121] write(3, "1000", 4 [pid 5074] <... openat resumed>) = 3 [pid 5073] <... restart_syscall resumed>) = 0 [pid 7121] <... write resumed>) = 4 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 7121] close(3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] close(3 [pid 7121] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7121] symlink("/dev/binderfs", "./binderfs" [pid 5073] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7125 [pid 7121] <... symlink resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7121] memfd_create("syzkaller", 0 [pid 5073] <... openat resumed>) = 3 [pid 7121] <... memfd_create resumed>) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7121] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./170/binderfs") = 0 [pid 5073] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7123] 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"..., 4194304./strace-static-x86_64: Process 7125 attached [pid 7125] chdir("./173") = 0 [pid 7125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7125] setpgid(0, 0) = 0 [ 230.804913][ T7119] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 230.812050][ T7118] REISERFS (device loop1): checking transaction log (loop1) [ 230.837984][ T7118] REISERFS (device loop1): Using r5 hash to sort names [pid 7125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7125] write(3, "1000", 4) = 4 [pid 7125] close(3) = 0 [pid 7125] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7125] memfd_create("syzkaller", 0) = 3 [pid 7125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 230.904987][ T7118] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 230.933723][ T7119] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 230.943128][ T7119] REISERFS (device loop3): using ordered data mode [ 230.949805][ T7119] reiserfs: using flush barriers [pid 7123] <... write resumed>) = 4194304 [pid 7123] munmap(0x7f8a1b2e3000, 4194304 [pid 7121] 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"..., 4194304 [pid 7118] <... mount resumed>) = 0 [pid 7123] <... munmap resumed>) = 0 [pid 7118] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7123] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7118] <... openat resumed>) = 3 [pid 7123] <... openat resumed>) = 4 [pid 7118] chdir("./file0" [pid 7123] ioctl(4, LOOP_SET_FD, 3 [pid 7118] <... chdir resumed>) = 0 [pid 7123] <... ioctl resumed>) = 0 [pid 7118] ioctl(4, LOOP_CLR_FD) = 0 [pid 7118] close(4) = 0 [pid 7118] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7118] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5073] <... umount2 resumed>) = 0 [pid 7118] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7118] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7123] close(3 [pid 7118] exit_group(0 [pid 7123] <... close resumed>) = 0 [pid 7118] <... exit_group resumed>) = ? [pid 7123] mkdir("./file0", 0777 [pid 7118] +++ exited with 0 +++ [pid 7123] <... mkdir resumed>) = 0 [pid 7123] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7118, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5070] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [ 230.956032][ T7118] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 230.957325][ T7119] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 230.988231][ T7123] loop2: detected capacity change from 0 to 8192 [pid 5070] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./167/binderfs") = 0 [pid 5070] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./170/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, [pid 5070] <... umount2 resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] close(4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5070] lstat("./167/file0", [ 231.038280][ T7123] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7125] 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"..., 4194304 [pid 5073] rmdir("./170/file0" [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7121] <... write resumed>) = 4194304 [pid 5073] <... rmdir resumed>) = 0 [pid 5070] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] getdents64(3, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] close(3 [pid 5070] <... openat resumed>) = 4 [pid 5073] <... close resumed>) = 0 [pid 5070] fstat(4, [pid 5073] rmdir("./170") = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] mkdir("./171", 0777 [pid 5070] getdents64(4, [pid 5073] <... mkdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] getdents64(4, [pid 5073] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5070] close(4 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 231.079319][ T7119] REISERFS (device loop3): checking transaction log (loop3) [ 231.096113][ T7123] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 231.121266][ T7119] REISERFS (device loop3): Using r5 hash to sort names [pid 7125] <... write resumed>) = 4194304 [pid 5070] <... close resumed>) = 0 [pid 7121] munmap(0x7f8a1b2e3000, 4194304 [pid 5073] close(3 [pid 7121] <... munmap resumed>) = 0 [pid 7121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7121] ioctl(4, LOOP_SET_FD, 3 [pid 7125] munmap(0x7f8a1b2e3000, 4194304 [pid 7119] <... mount resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5070] rmdir("./167/file0" [pid 7119] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7125] <... munmap resumed>) = 0 [pid 7119] <... openat resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... rmdir resumed>) = 0 [pid 7119] chdir("./file0" [pid 7125] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7119] <... chdir resumed>) = 0 [pid 5070] getdents64(3, [pid 7125] <... openat resumed>) = 4 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7127 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [ 231.126400][ T7123] REISERFS (device loop2): using ordered data mode [ 231.128879][ T7119] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.137482][ T7121] loop0: detected capacity change from 0 to 8192 [ 231.147564][ T7119] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 231.169681][ T7123] reiserfs: using flush barriers [pid 7125] ioctl(4, LOOP_SET_FD, 3 [pid 5070] close(3./strace-static-x86_64: Process 7127 attached [pid 7119] ioctl(4, LOOP_CLR_FD [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./167") = 0 [pid 5070] mkdir("./168", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7128 [pid 7127] chdir("./171" [pid 7119] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 7128 attached [pid 7128] chdir("./168") = 0 [pid 7128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7128] setpgid(0, 0 [pid 7127] <... chdir resumed>) = 0 [pid 7125] <... ioctl resumed>) = 0 [pid 7119] close(4 [pid 7128] <... setpgid resumed>) = 0 [pid 7127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7125] close(3 [pid 7121] <... ioctl resumed>) = 0 [pid 7119] <... close resumed>) = 0 [pid 7128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7127] <... prctl resumed>) = 0 [pid 7125] <... close resumed>) = 0 [pid 7121] close(3 [pid 7119] mkdir(NULL, 000 [pid 7128] <... openat resumed>) = 3 [pid 7127] setpgid(0, 0 [pid 7125] mkdir("./file0", 0777 [pid 7121] <... close resumed>) = 0 [pid 7119] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7128] write(3, "1000", 4 [pid 7127] <... setpgid resumed>) = 0 [pid 7125] <... mkdir resumed>) = 0 [pid 7121] mkdir("./file0", 0777 [pid 7119] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7128] <... write resumed>) = 4 [pid 7127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7125] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7121] <... mkdir resumed>) = 0 [pid 7128] close(3 [pid 7127] <... openat resumed>) = 3 [pid 7121] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7119] <... openat resumed>) = 4 [ 231.173667][ T7125] loop5: detected capacity change from 0 to 8192 [ 231.175899][ T7123] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.198220][ T7123] REISERFS (device loop2): checking transaction log (loop2) [ 231.213578][ T7123] REISERFS (device loop2): Using r5 hash to sort names [pid 7128] <... close resumed>) = 0 [pid 7127] write(3, "1000", 4 [pid 7119] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7127] <... write resumed>) = 4 [pid 7119] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7127] close(3 [pid 7119] mount(NULL, "./bus", NULL, 0, NULL [pid 7127] <... close resumed>) = 0 [pid 7119] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7127] symlink("/dev/binderfs", "./binderfs" [pid 7119] exit_group(0 [pid 7127] <... symlink resumed>) = 0 [pid 7119] <... exit_group resumed>) = ? [pid 7127] memfd_create("syzkaller", 0 [pid 7119] +++ exited with 0 +++ [pid 7127] <... memfd_create resumed>) = 3 [pid 7127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7128] symlink("/dev/binderfs", "./binderfs" [pid 7127] 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"..., 4194304 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7119, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 7128] <... symlink resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7128] memfd_create("syzkaller", 0 [pid 5072] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7128] <... memfd_create resumed>) = 3 [pid 5072] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... openat resumed>) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7128] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./168/binderfs") = 0 [ 231.237422][ T7123] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.251349][ T7121] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.265339][ T7125] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5072] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7127] <... write resumed>) = 4194304 [pid 7127] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7127] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7127] ioctl(4, LOOP_SET_FD, 3 [pid 7128] 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"..., 4194304 [pid 7127] <... ioctl resumed>) = 0 [pid 7123] <... mount resumed>) = 0 [pid 7123] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7123] chdir("./file0") = 0 [pid 7123] ioctl(4, LOOP_CLR_FD) = 0 [pid 7123] close(4) = 0 [pid 7123] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7123] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7123] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7123] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7123] exit_group(0) = ? [pid 7127] close(3) = 0 [pid 7127] mkdir("./file0", 0777 [pid 7123] +++ exited with 0 +++ [ 231.322060][ T7121] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 231.326883][ T7127] loop4: detected capacity change from 0 to 8192 [ 231.338540][ T7125] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 231.338746][ T7123] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 231.354212][ T7121] REISERFS (device loop0): using ordered data mode [pid 7127] <... mkdir resumed>) = 0 [pid 7127] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7123, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./169/binderfs") = 0 [ 231.372755][ T7121] reiserfs: using flush barriers [ 231.374393][ T7125] REISERFS (device loop5): using ordered data mode [ 231.384593][ T7121] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.427387][ T7121] REISERFS (device loop0): checking transaction log (loop0) [ 231.428225][ T7125] reiserfs: using flush barriers [ 231.441174][ T7121] REISERFS (device loop0): Using r5 hash to sort names [ 231.449501][ T7127] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.463533][ T7121] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5071] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = 0 [pid 7128] <... write resumed>) = 4194304 [pid 7128] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7128] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7128] ioctl(4, LOOP_SET_FD, 3 [pid 5072] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7128] <... ioctl resumed>) = 0 [pid 7128] close(3) = 0 [pid 7128] mkdir("./file0", 0777) = 0 [pid 7128] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./168/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./168/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./168") = 0 [pid 5072] mkdir("./169", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7133 [ 231.465576][ T7127] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 231.481011][ T7128] loop1: detected capacity change from 0 to 8192 [ 231.487340][ T7125] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.502183][ T7121] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 231.523505][ T7125] REISERFS (device loop5): checking transaction log (loop5) [ 231.532024][ T7128] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.533027][ T7127] REISERFS (device loop4): using ordered data mode [ 231.552609][ T7127] reiserfs: using flush barriers [ 231.558339][ T7125] REISERFS (device loop5): Using r5 hash to sort names ./strace-static-x86_64: Process 7133 attached [pid 7133] chdir("./169") = 0 [pid 7133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7133] setpgid(0, 0) = 0 [pid 7133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7133] write(3, "1000", 4) = 4 [pid 7133] close(3) = 0 [pid 7133] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7133] memfd_create("syzkaller", 0) = 3 [pid 7133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 231.567979][ T7125] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.581466][ T7127] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.599083][ T7125] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 231.617791][ T7127] REISERFS (device loop4): checking transaction log (loop4) [pid 7125] <... mount resumed>) = 0 [pid 7125] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7125] chdir("./file0") = 0 [pid 7125] ioctl(4, LOOP_CLR_FD) = 0 [pid 7125] close(4 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./169/file0", [pid 7125] <... close resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7125] mkdir(NULL, 000 [pid 7121] <... mount resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7125] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7125] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7121] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... openat resumed>) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, [pid 7125] <... openat resumed>) = 4 [pid 7121] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7133] 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"..., 4194304 [pid 5071] close(4 [ 231.627469][ T7127] REISERFS (device loop4): Using r5 hash to sort names [ 231.634589][ T7127] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 231.637227][ T7128] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7125] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7121] chdir("./file0" [pid 7125] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7121] <... chdir resumed>) = 0 [pid 7125] mount(NULL, "./bus", NULL, 0, NULL [pid 7121] ioctl(4, LOOP_CLR_FD [pid 7125] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7121] <... ioctl resumed>) = 0 [pid 7125] exit_group(0 [pid 7121] close(4 [pid 7125] <... exit_group resumed>) = ? [pid 7121] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 7125] +++ exited with 0 +++ [pid 7121] mkdir(NULL, 000 [pid 5071] rmdir("./169/file0" [pid 7121] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7121] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7125, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5071] <... rmdir resumed>) = 0 [pid 7121] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7121] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7121] exit_group(0) = ? [pid 7121] +++ exited with 0 +++ [pid 5074] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7121, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] close(3 [pid 5074] <... openat resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 5074] fstat(3, [pid 5071] rmdir("./169" [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] mkdir("./170", 0777 [pid 5069] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... mkdir resumed>) = 0 [pid 5074] lstat("./173/binderfs", [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... openat resumed>) = 3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5074] unlink("./173/binderfs" [pid 5069] fstat(3, [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] getdents64(3, [pid 5074] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] close(3 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... close resumed>) = 0 [pid 5069] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./165/binderfs", [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7134 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./165/binderfs") = 0 [pid 7127] <... mount resumed>) = 0 [pid 7127] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7127] chdir("./file0") = 0 [pid 7127] ioctl(4, LOOP_CLR_FD) = 0 [pid 5069] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7127] close(4) = 0 ./strace-static-x86_64: Process 7134 attached [pid 7127] mkdir(NULL, 000) = -1 EFAULT (Bad address) [ 231.677837][ T7128] REISERFS (device loop1): using ordered data mode [ 231.688610][ T7128] reiserfs: using flush barriers [ 231.697745][ T7128] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.706993][ T7127] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7134] chdir("./170" [pid 7127] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7134] <... chdir resumed>) = 0 [pid 7134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7127] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7134] <... prctl resumed>) = 0 [pid 7134] setpgid(0, 0 [pid 7127] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7134] <... setpgid resumed>) = 0 [pid 7134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7127] mount(NULL, "./bus", NULL, 0, NULL [pid 7134] <... openat resumed>) = 3 [pid 7127] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7134] write(3, "1000", 4 [pid 7127] exit_group(0 [pid 7134] <... write resumed>) = 4 [pid 7127] <... exit_group resumed>) = ? [pid 7134] close(3 [pid 7127] +++ exited with 0 +++ [pid 7134] <... close resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7127, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7134] symlink("/dev/binderfs", "./binderfs" [pid 7133] <... write resumed>) = 4194304 [pid 7134] <... symlink resumed>) = 0 [pid 7133] munmap(0x7f8a1b2e3000, 4194304 [pid 7134] memfd_create("syzkaller", 0) = 3 [pid 7133] <... munmap resumed>) = 0 [pid 7134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7133] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5073] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7134] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7133] <... openat resumed>) = 4 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7133] ioctl(4, LOOP_SET_FD, 3 [pid 5073] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, [pid 7133] <... ioctl resumed>) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7133] close(3) = 0 [pid 5073] getdents64(3, [pid 7133] mkdir("./file0", 0777 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7133] <... mkdir resumed>) = 0 [pid 5073] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7133] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./171/binderfs") = 0 [ 231.790812][ T7128] REISERFS (device loop1): checking transaction log (loop1) [ 231.817909][ T7133] loop3: detected capacity change from 0 to 8192 [pid 5073] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [ 231.848517][ T7128] REISERFS (device loop1): Using r5 hash to sort names [ 231.860040][ T7133] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 231.878127][ T7128] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5069] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./165/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./165/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] <... umount2 resumed>) = 0 [ 231.886344][ T7133] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./173/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7128] <... mount resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5073] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(3 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./173/file0") = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 7128] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] getdents64(3, [pid 5073] lstat("./171/file0", [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./173") = 0 [pid 7128] <... openat resumed>) = 3 [pid 5074] mkdir("./174", 0777 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] rmdir("./165" [pid 7128] chdir("./file0" [pid 5074] <... mkdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 7128] <... chdir resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... rmdir resumed>) = 0 [pid 7134] 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"..., 4194304 [pid 7128] ioctl(4, LOOP_CLR_FD [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] mkdir("./166", 0777 [pid 7128] <... ioctl resumed>) = 0 [ 231.925443][ T7128] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 231.935587][ T7133] REISERFS (device loop3): using ordered data mode [ 231.942857][ T7133] reiserfs: using flush barriers [ 231.950193][ T7133] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 231.967945][ T7133] REISERFS (device loop3): checking transaction log (loop3) [pid 5074] close(3 [pid 5073] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... mkdir resumed>) = 0 [pid 7128] close(4 [pid 5074] <... close resumed>) = 0 [pid 5073] <... openat resumed>) = 4 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7128] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] fstat(4, [pid 5069] <... openat resumed>) = 3 [pid 7128] mkdir(NULL, 000 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 7136 attached [pid 7134] <... write resumed>) = 4194304 [pid 7133] <... mount resumed>) = 0 [pid 7128] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7136 [pid 5073] getdents64(4, [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7136] chdir("./174" [pid 7134] munmap(0x7f8a1b2e3000, 4194304 [pid 7133] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7128] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7136] <... chdir resumed>) = 0 [pid 7134] <... munmap resumed>) = 0 [pid 7133] <... openat resumed>) = 3 [pid 7128] <... openat resumed>) = 4 [pid 5073] getdents64(4, [pid 5069] close(3 [pid 7136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7134] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7133] chdir("./file0" [pid 7128] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 7136] <... prctl resumed>) = 0 [pid 7134] <... openat resumed>) = 4 [pid 7133] <... chdir resumed>) = 0 [pid 7128] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] close(4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7136] setpgid(0, 0 [pid 7134] ioctl(4, LOOP_SET_FD, 3 [pid 7133] ioctl(4, LOOP_CLR_FD [pid 7128] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... close resumed>) = 0 [ 231.977881][ T7133] REISERFS (device loop3): Using r5 hash to sort names [ 231.985004][ T7133] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.005201][ T7133] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7136] <... setpgid resumed>) = 0 [pid 7128] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rmdir("./171/file0" [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7137 [pid 7128] exit_group(0 [pid 5073] <... rmdir resumed>) = 0 [pid 7128] <... exit_group resumed>) = ? [pid 5073] getdents64(3, [pid 7128] +++ exited with 0 +++ [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7128, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5073] <... close resumed>) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7137 attached [pid 7136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7134] <... ioctl resumed>) = 0 [pid 7133] <... ioctl resumed>) = 0 [pid 5073] rmdir("./171" [pid 5070] <... restart_syscall resumed>) = 0 [pid 7137] chdir("./166" [pid 7136] <... openat resumed>) = 3 [pid 7134] close(3 [pid 7133] close(4 [pid 5073] <... rmdir resumed>) = 0 [pid 7137] <... chdir resumed>) = 0 [pid 7136] write(3, "1000", 4 [pid 7134] <... close resumed>) = 0 [pid 7133] <... close resumed>) = 0 [pid 5073] mkdir("./172", 0777 [pid 7137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7136] <... write resumed>) = 4 [pid 7134] mkdir("./file0", 0777 [pid 7133] mkdir(NULL, 000 [pid 5073] <... mkdir resumed>) = 0 [pid 5070] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7136] close(3 [pid 7133] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7134] <... mkdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7137] <... prctl resumed>) = 0 [pid 7136] <... close resumed>) = 0 [pid 7133] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7136] symlink("/dev/binderfs", "./binderfs" [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 3 [pid 7136] <... symlink resumed>) = 0 [pid 7134] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7133] <... openat resumed>) = 4 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] fstat(3, [pid 7136] memfd_create("syzkaller", 0 [pid 7133] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] close(3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7136] <... memfd_create resumed>) = 3 [pid 7133] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5070] getdents64(3, [pid 7137] setpgid(0, 0 [pid 7136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7133] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7137] <... setpgid resumed>) = 0 [pid 7136] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7133] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7139 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./168/binderfs") = 0 [pid 5070] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7133] exit_group(0) = ? ./strace-static-x86_64: Process 7139 attached [pid 7137] <... openat resumed>) = 3 [pid 7139] chdir("./172" [pid 7137] write(3, "1000", 4 [pid 7133] +++ exited with 0 +++ [pid 7139] <... chdir resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7133, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 7137] <... write resumed>) = 4 [pid 7139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7137] close(3 [pid 7139] setpgid(0, 0 [pid 7137] <... close resumed>) = 0 [pid 5072] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7139] <... setpgid resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7137] symlink("/dev/binderfs", "./binderfs" [pid 5072] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7139] <... openat resumed>) = 3 [pid 7137] <... symlink resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 7139] write(3, "1000", 4 [pid 7137] memfd_create("syzkaller", 0 [pid 5072] fstat(3, [pid 7139] <... write resumed>) = 4 [pid 7137] <... memfd_create resumed>) = 3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 232.033660][ T7134] loop2: detected capacity change from 0 to 8192 [ 232.069991][ T7134] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7139] close(3 [pid 7137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] getdents64(3, [pid 7139] <... close resumed>) = 0 [pid 7137] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7139] symlink("/dev/binderfs", "./binderfs" [pid 5072] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7139] <... symlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7139] memfd_create("syzkaller", 0 [pid 5072] lstat("./169/binderfs", [pid 7139] <... memfd_create resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] unlink("./169/binderfs" [pid 7139] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... unlink resumed>) = 0 [pid 5072] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7136] 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"..., 4194304 [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./168/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 7139] 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"..., 4194304 [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./168/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [ 232.157034][ T7134] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5070] close(3 [pid 7136] <... write resumed>) = 4194304 [pid 5070] <... close resumed>) = 0 [pid 7136] munmap(0x7f8a1b2e3000, 4194304 [pid 5070] rmdir("./168" [pid 7136] <... munmap resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 7136] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] mkdir("./169", 0777 [pid 7136] <... openat resumed>) = 4 [pid 7137] 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"..., 4194304 [pid 7136] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [ 232.218399][ T7134] REISERFS (device loop2): using ordered data mode [ 232.224961][ T7134] reiserfs: using flush barriers [ 232.235317][ T7134] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 232.256524][ T7136] loop5: detected capacity change from 0 to 8192 [pid 7136] <... ioctl resumed>) = 0 [pid 5072] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7136] close(3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 5072] lstat("./169/file0", [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7136] <... close resumed>) = 0 [pid 5072] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(3 [pid 7136] mkdir("./file0", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... close resumed>) = 0 [pid 7136] <... mkdir resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] fstat(4, [pid 7136] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7140 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 ./strace-static-x86_64: Process 7140 attached [pid 5072] rmdir("./169/file0" [pid 7140] chdir("./169" [pid 5072] <... rmdir resumed>) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 7140] <... chdir resumed>) = 0 [pid 5072] rmdir("./169" [pid 7140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... rmdir resumed>) = 0 [pid 5072] mkdir("./170", 0777 [ 232.259509][ T7134] REISERFS (device loop2): checking transaction log (loop2) [pid 7140] <... prctl resumed>) = 0 [pid 7140] setpgid(0, 0) = 0 [pid 7140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7140] write(3, "1000", 4) = 4 [pid 7140] close(3) = 0 [pid 7140] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7140] memfd_create("syzkaller", 0) = 3 [pid 7140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5072] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7142 ./strace-static-x86_64: Process 7142 attached [pid 7142] chdir("./170") = 0 [pid 7142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7142] setpgid(0, 0) = 0 [pid 7142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7142] write(3, "1000", 4) = 4 [pid 7142] close(3) = 0 [pid 7142] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7142] memfd_create("syzkaller", 0) = 3 [ 232.298602][ T7136] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.313713][ T7134] REISERFS (device loop2): Using r5 hash to sort names [pid 7142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7139] <... write resumed>) = 4194304 [pid 7142] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7140] 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"..., 4194304 [pid 7137] <... write resumed>) = 4194304 [pid 7139] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7139] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 232.361435][ T7134] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.365068][ T7136] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 232.400592][ T7139] loop4: detected capacity change from 0 to 8192 [pid 7139] ioctl(4, LOOP_SET_FD, 3 [pid 7142] 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"..., 4194304 [pid 7137] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7137] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7137] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7137] close(3) = 0 [pid 7137] mkdir("./file0", 0777) = 0 [pid 7137] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7139] <... ioctl resumed>) = 0 [pid 7139] close(3) = 0 [pid 7139] mkdir("./file0", 0777) = 0 [ 232.408962][ T7134] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 232.417152][ T7137] loop0: detected capacity change from 0 to 8192 [ 232.445440][ T7136] REISERFS (device loop5): using ordered data mode [pid 7139] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7142] <... write resumed>) = 4194304 [pid 7134] <... mount resumed>) = 0 [pid 7142] munmap(0x7f8a1b2e3000, 4194304 [pid 7134] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7142] <... munmap resumed>) = 0 [pid 7140] <... write resumed>) = 4194304 [pid 7134] <... openat resumed>) = 3 [pid 7142] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7140] munmap(0x7f8a1b2e3000, 4194304 [pid 7134] chdir("./file0" [pid 7142] <... openat resumed>) = 4 [pid 7140] <... munmap resumed>) = 0 [pid 7134] <... chdir resumed>) = 0 [ 232.452918][ T7137] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.466111][ T7139] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.481032][ T7136] reiserfs: using flush barriers [ 232.487354][ T7137] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 232.491774][ T7139] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 232.498389][ T7137] REISERFS (device loop0): using ordered data mode [pid 7142] ioctl(4, LOOP_SET_FD, 3 [pid 7140] openat(AT_FDCWD, "/dev/loop1", O_RDWR [ 232.507823][ T7136] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 232.512919][ T7137] reiserfs: using flush barriers [ 232.530862][ T7139] REISERFS (device loop4): using ordered data mode [ 232.533854][ T7142] loop3: detected capacity change from 0 to 8192 [ 232.542219][ T7139] reiserfs: using flush barriers [pid 7134] ioctl(4, LOOP_CLR_FD [pid 7140] <... openat resumed>) = 4 [pid 7134] <... ioctl resumed>) = 0 [pid 7140] ioctl(4, LOOP_SET_FD, 3 [pid 7134] close(4) = 0 [pid 7134] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7134] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7134] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7134] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7134] exit_group(0) = ? [pid 7134] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7134, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 232.547701][ T7137] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 232.558633][ T7136] REISERFS (device loop5): checking transaction log (loop5) [ 232.567777][ T7137] REISERFS (device loop0): checking transaction log (loop0) [ 232.582481][ T7139] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 232.597928][ T7140] loop1: detected capacity change from 0 to 8192 [ 232.601374][ T7139] REISERFS (device loop4): checking transaction log (loop4) [pid 7140] <... ioctl resumed>) = 0 [pid 5071] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7140] close(3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7140] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7140] mkdir("./file0", 0777 [pid 5071] <... openat resumed>) = 3 [pid 7142] <... ioctl resumed>) = 0 [pid 7140] <... mkdir resumed>) = 0 [pid 5071] fstat(3, [pid 7142] close(3 [pid 7140] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7142] <... close resumed>) = 0 [pid 5071] getdents64(3, [pid 7142] mkdir("./file0", 0777 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7142] <... mkdir resumed>) = 0 [pid 5071] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7142] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./170/binderfs") = 0 [ 232.613825][ T7137] REISERFS (device loop0): Using r5 hash to sort names [ 232.621191][ T7139] REISERFS (device loop4): Using r5 hash to sort names [ 232.628525][ T7137] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.641996][ T7139] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.655390][ T7137] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 232.658624][ T7140] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.665254][ T7139] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 232.678813][ T7142] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 232.688353][ T7136] REISERFS (device loop5): Using r5 hash to sort names [pid 5071] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7139] <... mount resumed>) = 0 [pid 7137] <... mount resumed>) = 0 [pid 7139] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7137] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7139] <... openat resumed>) = 3 [pid 7137] <... openat resumed>) = 3 [pid 7136] <... mount resumed>) = 0 [pid 7139] chdir("./file0" [pid 7137] chdir("./file0" [pid 7136] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7139] <... chdir resumed>) = 0 [pid 7137] <... chdir resumed>) = 0 [pid 7139] ioctl(4, LOOP_CLR_FD [pid 7137] ioctl(4, LOOP_CLR_FD [pid 7136] <... openat resumed>) = 3 [pid 7139] <... ioctl resumed>) = 0 [pid 7137] <... ioctl resumed>) = 0 [pid 7139] close(4 [pid 7136] chdir("./file0" [pid 7137] close(4 [pid 7139] <... close resumed>) = 0 [pid 7136] <... chdir resumed>) = 0 [pid 7139] mkdir(NULL, 000 [pid 7137] <... close resumed>) = 0 [pid 7136] ioctl(4, LOOP_CLR_FD [pid 7139] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7137] mkdir(NULL, 000 [pid 7139] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7136] <... ioctl resumed>) = 0 [pid 7137] <... mkdir resumed>) = -1 EFAULT (Bad address) [ 232.706925][ T7136] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.719871][ T7136] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 232.727061][ T7140] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 232.729701][ T7142] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 232.747591][ T7142] REISERFS (device loop3): using ordered data mode [ 232.754117][ T7142] reiserfs: using flush barriers [pid 7139] <... openat resumed>) = 4 [pid 7137] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7136] close(4 [pid 7139] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7137] <... openat resumed>) = 4 [pid 7136] <... close resumed>) = 0 [pid 7139] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7137] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7136] mkdir(NULL, 000 [pid 7139] mount(NULL, "./bus", NULL, 0, NULL [pid 7137] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7139] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7137] mount(NULL, "./bus", NULL, 0, NULL [pid 7136] <... mkdir resumed>) = -1 EFAULT (Bad address) [ 232.762339][ T7140] REISERFS (device loop1): using ordered data mode [ 232.769814][ T7140] reiserfs: using flush barriers [ 232.788018][ T7140] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5071] <... umount2 resumed>) = 0 [pid 7139] exit_group(0 [pid 7137] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7136] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7139] <... exit_group resumed>) = ? [pid 7137] exit_group(0 [pid 7136] <... openat resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7139] +++ exited with 0 +++ [pid 7137] <... exit_group resumed>) = ? [pid 7136] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] lstat("./170/file0", [pid 7137] +++ exited with 0 +++ [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7136] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7139, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5071] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7137, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 7136] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7136] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7136] exit_group(0 [pid 5073] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 4 [pid 5069] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7136] <... exit_group resumed>) = ? [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] fstat(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7136] +++ exited with 0 +++ [pid 5073] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7136, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5073] <... openat resumed>) = 3 [pid 5071] getdents64(4, [pid 5069] <... openat resumed>) = 3 [pid 5073] fstat(3, [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] fstat(3, [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 232.803344][ T7142] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 232.821536][ T7142] REISERFS (device loop3): checking transaction log (loop3) [ 232.829776][ T7140] REISERFS (device loop1): checking transaction log (loop1) [ 232.854639][ T7140] REISERFS (device loop1): Using r5 hash to sort names [pid 5073] getdents64(3, [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(3, [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] close(4 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5069] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] rmdir("./170/file0" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] lstat("./172/binderfs", [pid 5071] <... rmdir resumed>) = 0 [pid 5069] lstat("./166/binderfs", [pid 5074] <... openat resumed>) = 3 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] getdents64(3, [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] fstat(3, [pid 5073] unlink("./172/binderfs" [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] unlink("./166/binderfs" [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... unlink resumed>) = 0 [pid 5071] close(3 [pid 5069] <... unlink resumed>) = 0 [pid 5074] getdents64(3, [pid 5073] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5069] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] rmdir("./170" [pid 5074] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] mkdir("./171", 0777 [pid 5074] lstat("./174/binderfs", [pid 5071] <... mkdir resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5074] unlink("./174/binderfs" [pid 5071] <... openat resumed>) = 3 [pid 5074] <... unlink resumed>) = 0 [ 232.861893][ T7142] REISERFS (device loop3): Using r5 hash to sort names [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5074] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7147 ./strace-static-x86_64: Process 7147 attached [pid 7147] chdir("./171") = 0 [pid 7147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7147] setpgid(0, 0) = 0 [pid 7147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7147] write(3, "1000", 4) = 4 [pid 7147] close(3) = 0 [pid 7147] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7147] memfd_create("syzkaller", 0) = 3 [pid 7147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./172/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [ 232.899787][ T7142] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 232.914359][ T7140] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] rmdir("./172/file0") = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./172") = 0 [pid 5073] mkdir("./173", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5069] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] lstat("./166/file0", [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7148 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7148 attached ) = 4 [pid 7148] chdir("./173" [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7148] <... chdir resumed>) = 0 [pid 5069] getdents64(4, [pid 7148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7148] <... prctl resumed>) = 0 [pid 5069] getdents64(4, [pid 7148] setpgid(0, 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7148] <... setpgid resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [ 232.988743][ T7140] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 233.001507][ T7142] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] close(4 [pid 7148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7142] <... mount resumed>) = 0 [pid 7140] <... mount resumed>) = 0 [pid 5074] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 7148] <... openat resumed>) = 3 [pid 7142] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7140] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] rmdir("./166/file0" [pid 7148] write(3, "1000", 4 [pid 7142] <... openat resumed>) = 3 [pid 7140] <... openat resumed>) = 3 [pid 5074] lstat("./174/file0", [pid 5069] <... rmdir resumed>) = 0 [pid 7148] <... write resumed>) = 4 [pid 7142] chdir("./file0" [pid 7140] chdir("./file0" [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, [pid 7148] close(3 [pid 7142] <... chdir resumed>) = 0 [pid 7140] <... chdir resumed>) = 0 [pid 5074] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7148] <... close resumed>) = 0 [pid 7147] 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"..., 4194304 [pid 7142] ioctl(4, LOOP_CLR_FD [pid 7140] ioctl(4, LOOP_CLR_FD [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(3 [pid 7148] symlink("/dev/binderfs", "./binderfs" [pid 7142] <... ioctl resumed>) = 0 [pid 7140] <... ioctl resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... close resumed>) = 0 [pid 7148] <... symlink resumed>) = 0 [pid 7142] close(4 [pid 7140] close(4 [pid 5074] <... openat resumed>) = 4 [pid 5069] rmdir("./166" [pid 7148] memfd_create("syzkaller", 0 [pid 7142] <... close resumed>) = 0 [pid 7140] <... close resumed>) = 0 [pid 5074] fstat(4, [pid 5069] <... rmdir resumed>) = 0 [pid 7148] <... memfd_create resumed>) = 3 [pid 7142] mkdir(NULL, 000 [pid 7140] mkdir(NULL, 000 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] mkdir("./167", 0777 [pid 7148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7142] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7140] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] getdents64(4, [pid 5069] <... mkdir resumed>) = 0 [pid 7148] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7142] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7140] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7142] <... openat resumed>) = 4 [pid 7140] <... openat resumed>) = 4 [pid 5074] getdents64(4, [pid 5069] <... openat resumed>) = 3 [pid 7142] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7140] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7142] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7140] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(4 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7142] mount(NULL, "./bus", NULL, 0, NULL [pid 7140] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... close resumed>) = 0 [pid 5069] close(3 [pid 7142] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7140] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] rmdir("./174/file0" [pid 5069] <... close resumed>) = 0 [pid 7142] exit_group(0 [pid 7140] exit_group(0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7142] <... exit_group resumed>) = ? [pid 7140] <... exit_group resumed>) = ? [pid 5074] <... rmdir resumed>) = 0 [pid 7142] +++ exited with 0 +++ [pid 7140] +++ exited with 0 +++ [pid 5074] getdents64(3, [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7149 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7142, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7140, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5074] close(3 [pid 5072] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7149 attached [pid 5074] <... close resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5074] rmdir("./174" [pid 7149] chdir("./167" [pid 5074] <... rmdir resumed>) = 0 [pid 7149] <... chdir resumed>) = 0 [pid 5074] mkdir("./175", 0777 [pid 5072] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] <... mkdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7149] <... prctl resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7149] setpgid(0, 0 [pid 5074] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7149] <... setpgid resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5072] fstat(3, [pid 5070] <... openat resumed>) = 3 [pid 7147] <... write resumed>) = 4194304 [pid 7149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] fstat(3, [pid 7149] <... openat resumed>) = 3 [pid 7147] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] close(3 [pid 5072] getdents64(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7149] write(3, "1000", 4 [pid 7147] <... munmap resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] getdents64(3, [pid 7149] <... write resumed>) = 4 [pid 7147] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7149] close(3 [pid 7147] <... openat resumed>) = 4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7149] <... close resumed>) = 0 [pid 7147] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7150 [pid 5072] lstat("./170/binderfs", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7149] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] lstat("./169/binderfs", [pid 5072] unlink("./170/binderfs" [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5070] unlink("./169/binderfs" [pid 5072] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7150 attached [pid 7149] <... symlink resumed>) = 0 [pid 5070] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7150] chdir("./175" [pid 7149] memfd_create("syzkaller", 0 [pid 7150] <... chdir resumed>) = 0 [pid 7149] <... memfd_create resumed>) = 3 [pid 7150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7150] <... prctl resumed>) = 0 [pid 7150] setpgid(0, 0 [pid 7149] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7150] <... setpgid resumed>) = 0 [pid 7150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7150] write(3, "1000", 4 [pid 7148] 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"..., 4194304 [pid 7150] <... write resumed>) = 4 [pid 7150] close(3) = 0 [pid 7150] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7150] memfd_create("syzkaller", 0) = 3 [pid 7150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7147] <... ioctl resumed>) = 0 [pid 7147] close(3) = 0 [pid 7147] mkdir("./file0", 0777) = 0 [ 233.152121][ T7147] loop2: detected capacity change from 0 to 8192 [ 233.205343][ T7147] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7147] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7150] 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"..., 4194304 [pid 7149] 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"..., 4194304 [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./169/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./169/file0" [pid 5072] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 5072] lstat("./170/file0", [ 233.281315][ T7147] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] close(3 [pid 7149] <... write resumed>) = 4194304 [pid 5072] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 7149] munmap(0x7f8a1b2e3000, 4194304 [pid 7148] <... write resumed>) = 4194304 [pid 5072] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7148] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] <... openat resumed>) = 4 [pid 7149] <... munmap resumed>) = 0 [pid 7148] <... munmap resumed>) = 0 [pid 5072] fstat(4, [pid 5070] rmdir("./169" [pid 7148] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7148] <... openat resumed>) = 4 [pid 5072] getdents64(4, [pid 7148] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7149] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] getdents64(4, [pid 5070] <... rmdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./170/file0") = 0 [ 233.343926][ T7147] REISERFS (device loop2): using ordered data mode [ 233.350872][ T7147] reiserfs: using flush barriers [ 233.357908][ T7147] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 233.364020][ T7148] loop4: detected capacity change from 0 to 8192 [ 233.375287][ T7147] REISERFS (device loop2): checking transaction log (loop2) [pid 7149] <... openat resumed>) = 4 [pid 5072] getdents64(3, [pid 5070] mkdir("./170", 0777 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./170") = 0 [pid 5072] mkdir("./171", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7149] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... mkdir resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7152 ./strace-static-x86_64: Process 7152 attached [pid 7152] chdir("./171") = 0 [pid 7152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7152] setpgid(0, 0) = 0 [pid 7152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7152] write(3, "1000", 4) = 4 [pid 7152] close(3) = 0 [pid 7152] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7152] memfd_create("syzkaller", 0) = 3 [pid 7152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7149] <... ioctl resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7150] <... write resumed>) = 4194304 [pid 7149] close(3 [pid 7148] <... ioctl resumed>) = 0 [pid 7149] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 7149] mkdir("./file0", 0777 [pid 7148] close(3 [pid 7147] <... mount resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7150] munmap(0x7f8a1b2e3000, 4194304 [pid 7149] <... mkdir resumed>) = 0 [pid 7147] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7148] <... close resumed>) = 0 [pid 7149] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7147] <... openat resumed>) = 3 [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7153 [pid 7148] mkdir("./file0", 0777) = 0 [pid 7148] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7153 attached [pid 7153] chdir("./170") = 0 [pid 7153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7147] chdir("./file0" [pid 7153] setpgid(0, 0) = 0 [pid 7147] <... chdir resumed>) = 0 [ 233.389446][ T7147] REISERFS (device loop2): Using r5 hash to sort names [ 233.396688][ T7147] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 233.416541][ T7149] loop0: detected capacity change from 0 to 8192 [ 233.432675][ T7147] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7147] ioctl(4, LOOP_CLR_FD [pid 7153] <... openat resumed>) = 3 [pid 7153] write(3, "1000", 4) = 4 [pid 7153] close(3) = 0 [pid 7153] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7153] memfd_create("syzkaller", 0) = 3 [pid 7153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7150] <... munmap resumed>) = 0 [pid 7147] <... ioctl resumed>) = 0 [pid 7150] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7147] close(4 [pid 7150] <... openat resumed>) = 4 [pid 7147] <... close resumed>) = 0 [pid 7147] mkdir(NULL, 000 [pid 7150] ioctl(4, LOOP_SET_FD, 3 [pid 7147] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7147] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 233.464998][ T7149] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.490710][ T7148] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.492426][ T7150] loop5: detected capacity change from 0 to 8192 [pid 7147] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7153] 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"..., 4194304 [pid 7147] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7147] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [ 233.512421][ T7149] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 233.517900][ T7148] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 233.532824][ T7148] REISERFS (device loop4): using ordered data mode [ 233.539976][ T7148] reiserfs: using flush barriers [ 233.546922][ T7149] REISERFS (device loop0): using ordered data mode [pid 7147] exit_group(0 [pid 7152] 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"..., 4194304 [pid 7147] <... exit_group resumed>) = ? [pid 7147] +++ exited with 0 +++ [ 233.547052][ T7148] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 233.553440][ T7149] reiserfs: using flush barriers [ 233.576106][ T7148] REISERFS (device loop4): checking transaction log (loop4) [ 233.587064][ T7148] REISERFS (device loop4): Using r5 hash to sort names [ 233.594700][ T7148] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7147, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7150] <... ioctl resumed>) = 0 [pid 7148] <... mount resumed>) = 0 [pid 5071] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7150] close(3 [pid 7148] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7150] <... close resumed>) = 0 [pid 7148] <... openat resumed>) = 3 [pid 5071] lstat("./171/binderfs", [pid 7153] <... write resumed>) = 4194304 [pid 7150] mkdir("./file0", 0777 [pid 7148] chdir("./file0" [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7153] munmap(0x7f8a1b2e3000, 4194304 [pid 7150] <... mkdir resumed>) = 0 [pid 7148] <... chdir resumed>) = 0 [pid 5071] unlink("./171/binderfs" [pid 7153] <... munmap resumed>) = 0 [pid 7150] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7148] ioctl(4, LOOP_CLR_FD [pid 5071] <... unlink resumed>) = 0 [pid 7153] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7148] <... ioctl resumed>) = 0 [pid 5071] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7153] <... openat resumed>) = 4 [pid 7148] close(4 [pid 7153] ioctl(4, LOOP_SET_FD, 3 [pid 7148] <... close resumed>) = 0 [ 233.599305][ T7149] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 233.607531][ T7148] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7148] mkdir(NULL, 000 [pid 7152] <... write resumed>) = 4194304 [pid 7148] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7148] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7152] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7152] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7152] ioctl(4, LOOP_SET_FD, 3 [pid 7153] <... ioctl resumed>) = 0 [pid 7148] <... openat resumed>) = 4 [ 233.668839][ T7153] loop1: detected capacity change from 0 to 8192 [ 233.676038][ T7150] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.698582][ T7149] REISERFS (device loop0): checking transaction log (loop0) [ 233.699332][ T7152] loop3: detected capacity change from 0 to 8192 [ 233.709398][ T7149] REISERFS (device loop0): Using r5 hash to sort names [pid 7153] close(3 [pid 7148] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7153] <... close resumed>) = 0 [pid 7148] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7153] mkdir("./file0", 0777 [pid 7148] mount(NULL, "./bus", NULL, 0, NULL [pid 7153] <... mkdir resumed>) = 0 [pid 7148] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7148] exit_group(0 [pid 7153] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7148] <... exit_group resumed>) = ? [pid 7152] <... ioctl resumed>) = 0 [pid 7148] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7148, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7152] close(3) = 0 [pid 5073] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 233.713332][ T7150] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 233.722145][ T7149] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 233.745283][ T7149] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] unlink("./173/binderfs" [pid 7152] mkdir("./file0", 0777 [pid 5073] <... unlink resumed>) = 0 [pid 5073] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7152] <... mkdir resumed>) = 0 [pid 7152] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7149] <... mount resumed>) = 0 [pid 7149] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7149] chdir("./file0") = 0 [pid 7149] ioctl(4, LOOP_CLR_FD) = 0 [pid 7149] close(4) = 0 [pid 7149] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7149] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7149] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7149] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7149] exit_group(0) = ? [pid 7149] +++ exited with 0 +++ [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./171/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 233.763845][ T7150] REISERFS (device loop5): using ordered data mode [ 233.772979][ T7150] reiserfs: using flush barriers [ 233.779435][ T7152] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.796507][ T7150] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5071] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./171/file0") = 0 [pid 5071] getdents64(3, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7149, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./171" [pid 5069] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./167/binderfs") = 0 [pid 5069] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 5071] mkdir("./172", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7159 [ 233.798848][ T7153] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.845652][ T7150] REISERFS (device loop5): checking transaction log (loop5) [ 233.853314][ T7152] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 233.861318][ T7150] REISERFS (device loop5): Using r5 hash to sort names ./strace-static-x86_64: Process 7159 attached [pid 7159] chdir("./172") = 0 [ 233.862890][ T7152] REISERFS (device loop3): using ordered data mode [ 233.876026][ T7152] reiserfs: using flush barriers [ 233.882347][ T7153] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 233.891648][ T7152] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 233.910411][ T7153] REISERFS (device loop1): using ordered data mode [pid 7159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7159] setpgid(0, 0) = 0 [pid 7159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7159] write(3, "1000", 4) = 4 [pid 7159] close(3) = 0 [pid 7159] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7159] memfd_create("syzkaller", 0) = 3 [pid 7159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 233.917436][ T7152] REISERFS (device loop3): checking transaction log (loop3) [ 233.924953][ T7153] reiserfs: using flush barriers [ 233.931302][ T7152] REISERFS (device loop3): Using r5 hash to sort names [ 233.942158][ T7153] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 233.957461][ T7150] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 233.958917][ T7152] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 233.999184][ T7153] REISERFS (device loop1): checking transaction log (loop1) [pid 7159] 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"..., 4194304 [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./173/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./173/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./173") = 0 [pid 5073] mkdir("./174", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 234.020843][ T7153] REISERFS (device loop1): Using r5 hash to sort names [ 234.034142][ T7150] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 234.034832][ T7152] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7160 ./strace-static-x86_64: Process 7160 attached [pid 7160] chdir("./174" [pid 7150] <... mount resumed>) = 0 [pid 7150] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5069] <... umount2 resumed>) = 0 [pid 7150] chdir("./file0") = 0 [pid 7150] ioctl(4, LOOP_CLR_FD) = 0 [pid 7150] close(4 [pid 7160] <... chdir resumed>) = 0 [pid 7152] <... mount resumed>) = 0 [pid 7150] <... close resumed>) = 0 [pid 7160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7152] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7160] <... prctl resumed>) = 0 [pid 7152] <... openat resumed>) = 3 [pid 7160] setpgid(0, 0) = 0 [pid 7152] chdir("./file0" [pid 7150] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7152] <... chdir resumed>) = 0 [pid 7150] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7160] <... openat resumed>) = 3 [pid 7152] ioctl(4, LOOP_CLR_FD [pid 7150] <... openat resumed>) = 4 [pid 7150] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7160] write(3, "1000", 4) = 4 [pid 7152] <... ioctl resumed>) = 0 [pid 7150] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7160] close(3 [pid 7152] close(4 [pid 7150] mount(NULL, "./bus", NULL, 0, NULL [pid 7160] <... close resumed>) = 0 [pid 7152] <... close resumed>) = 0 [pid 7150] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5069] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7160] symlink("/dev/binderfs", "./binderfs" [pid 7150] exit_group(0 [pid 7160] <... symlink resumed>) = 0 [pid 7159] <... write resumed>) = 4194304 [pid 7153] <... mount resumed>) = 0 [pid 7152] mkdir(NULL, 000 [pid 7150] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7160] memfd_create("syzkaller", 0 [pid 7159] munmap(0x7f8a1b2e3000, 4194304 [pid 7153] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7152] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7150] +++ exited with 0 +++ [pid 5069] lstat("./167/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./167/file0" [pid 7152] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 7152] <... openat resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7150, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5069] <... close resumed>) = 0 [pid 7160] <... memfd_create resumed>) = 3 [pid 7153] <... openat resumed>) = 3 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [ 234.076448][ T7153] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.099610][ T7153] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] rmdir("./167" [pid 7160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7159] <... munmap resumed>) = 0 [pid 7153] chdir("./file0" [pid 7152] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 7160] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7152] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7153] <... chdir resumed>) = 0 [pid 7159] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] mkdir("./168", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7159] <... openat resumed>) = 4 [pid 7153] ioctl(4, LOOP_CLR_FD [pid 7152] mount(NULL, "./bus", NULL, 0, NULL [pid 7159] ioctl(4, LOOP_SET_FD, 3 [pid 7153] <... ioctl resumed>) = 0 [pid 7152] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7161 [pid 7153] close(4 [pid 7152] exit_group(0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7153] <... close resumed>) = 0 [pid 7152] <... exit_group resumed>) = ? [pid 5074] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7153] mkdir(NULL, 000./strace-static-x86_64: Process 7161 attached [pid 7161] chdir("./168" [pid 7152] +++ exited with 0 +++ [pid 7161] <... chdir resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7152, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5074] fstat(3, [pid 7153] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7161] setpgid(0, 0) = 0 [pid 7161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7161] write(3, "1000", 4) = 4 [pid 7161] close(3) = 0 [pid 7161] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7153] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] getdents64(3, [pid 7161] memfd_create("syzkaller", 0) = 3 [pid 7161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7153] <... openat resumed>) = 4 [pid 5072] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7153] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7161] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7153] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7153] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7153] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] lstat("./175/binderfs", [pid 5072] <... openat resumed>) = 3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] unlink("./175/binderfs" [pid 7153] exit_group(0 [pid 5072] getdents64(3, [pid 5074] <... unlink resumed>) = 0 [pid 5074] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7153] <... exit_group resumed>) = ? [pid 5072] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7153] +++ exited with 0 +++ [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7153, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5072] lstat("./171/binderfs", [pid 5070] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] unlink("./171/binderfs" [pid 5070] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... unlink resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5072] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./170/binderfs") = 0 [pid 5070] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7159] <... ioctl resumed>) = 0 [pid 7159] close(3) = 0 [pid 7159] mkdir("./file0", 0777) = 0 [ 234.150737][ T7159] loop2: detected capacity change from 0 to 8192 [pid 7159] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7160] 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"..., 4194304 [pid 7161] 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"..., 4194304 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./171/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./171/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./171") = 0 [pid 5072] mkdir("./172", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 234.229055][ T7159] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7163 ./strace-static-x86_64: Process 7163 attached [pid 7163] chdir("./172") = 0 [pid 7163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7163] setpgid(0, 0) = 0 [pid 7163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7163] write(3, "1000", 4) = 4 [pid 7163] close(3) = 0 [pid 7163] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7163] memfd_create("syzkaller", 0) = 3 [pid 7163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 234.274369][ T7159] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./170/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./170/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./170") = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5070] mkdir("./171", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [ 234.324516][ T7159] REISERFS (device loop2): using ordered data mode [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7164 [pid 5074] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./175/file0", ./strace-static-x86_64: Process 7164 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7164] chdir("./171" [pid 5074] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7164] <... chdir resumed>) = 0 [pid 7164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7164] setpgid(0, 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7164] <... setpgid resumed>) = 0 [pid 7164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7164] write(3, "1000", 4) = 4 [pid 5074] <... openat resumed>) = 4 [pid 7164] close(3 [pid 5074] fstat(4, [pid 7164] <... close resumed>) = 0 [pid 7164] symlink("/dev/binderfs", "./binderfs") = 0 [ 234.369611][ T7159] reiserfs: using flush barriers [pid 7164] memfd_create("syzkaller", 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7164] <... memfd_create resumed>) = 3 [pid 7163] 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"..., 4194304 [pid 7161] <... write resumed>) = 4194304 [pid 7160] <... write resumed>) = 4194304 [pid 5074] getdents64(4, [pid 7164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7161] munmap(0x7f8a1b2e3000, 4194304 [pid 7160] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [ 234.393446][ T7159] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 234.417409][ T7159] REISERFS (device loop2): checking transaction log (loop2) [ 234.427436][ T7159] REISERFS (device loop2): Using r5 hash to sort names [pid 7161] <... munmap resumed>) = 0 [pid 7160] <... munmap resumed>) = 0 [pid 5074] getdents64(4, [pid 7161] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7160] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7161] <... openat resumed>) = 4 [pid 7160] <... openat resumed>) = 4 [pid 7161] ioctl(4, LOOP_SET_FD, 3 [pid 5074] close(4 [pid 7160] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... close resumed>) = 0 [pid 5074] rmdir("./175/file0" [pid 7163] <... write resumed>) = 4194304 [pid 7161] <... ioctl resumed>) = 0 [pid 7160] <... ioctl resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 7161] close(3 [pid 7160] close(3 [pid 7163] munmap(0x7f8a1b2e3000, 4194304 [pid 7161] <... close resumed>) = 0 [pid 5074] getdents64(3, [pid 7161] mkdir("./file0", 0777 [pid 7160] <... close resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7161] <... mkdir resumed>) = 0 [pid 7160] mkdir("./file0", 0777 [pid 5074] close(3 [pid 7160] <... mkdir resumed>) = 0 [pid 7161] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7160] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] <... close resumed>) = 0 [pid 5074] rmdir("./175") = 0 [pid 5074] mkdir("./176", 0777 [pid 7163] <... munmap resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [ 234.447887][ T7159] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.469831][ T7161] loop0: detected capacity change from 0 to 8192 [ 234.477246][ T7160] loop4: detected capacity change from 0 to 8192 [ 234.480937][ T7159] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7163] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 7159] <... mount resumed>) = 0 [pid 7159] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7159] chdir("./file0") = 0 [pid 7159] ioctl(4, LOOP_CLR_FD) = 0 [pid 7159] close(4) = 0 [pid 7159] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7159] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7159] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7164] 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"..., 4194304 [pid 7163] <... openat resumed>) = 4 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 7163] ioctl(4, LOOP_SET_FD, 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7167 attached , child_tidptr=0x555556cad5d0) = 7167 [pid 7159] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7159] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7159] exit_group(0) = ? [pid 7159] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7159, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} --- [pid 7167] chdir("./176") = 0 [pid 5071] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 234.509166][ T7161] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.523242][ T7160] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.529585][ T7163] loop3: detected capacity change from 0 to 8192 [ 234.536466][ T7160] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5071] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] getdents64(3, [pid 7167] <... prctl resumed>) = 0 [pid 7167] setpgid(0, 0) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7167] write(3, "1000", 4) = 4 [pid 7167] close(3) = 0 [pid 7167] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7167] memfd_create("syzkaller", 0) = 3 [pid 7167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 234.553348][ T7161] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 234.562770][ T7160] REISERFS (device loop4): using ordered data mode [ 234.570627][ T7160] reiserfs: using flush barriers [ 234.577570][ T7160] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5071] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7164] <... write resumed>) = 4194304 [pid 7163] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./172/binderfs") = 0 [pid 5071] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7167] 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"..., 4194304 [pid 7164] munmap(0x7f8a1b2e3000, 4194304 [pid 7163] close(3 [pid 7164] <... munmap resumed>) = 0 [pid 7163] <... close resumed>) = 0 [ 234.606469][ T7161] REISERFS (device loop0): using ordered data mode [ 234.613128][ T7161] reiserfs: using flush barriers [ 234.619310][ T7160] REISERFS (device loop4): checking transaction log (loop4) [ 234.634522][ T7160] REISERFS (device loop4): Using r5 hash to sort names [ 234.642120][ T7160] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7164] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7163] mkdir("./file0", 0777 [pid 7160] <... mount resumed>) = 0 [pid 7164] <... openat resumed>) = 4 [pid 7163] <... mkdir resumed>) = 0 [pid 7160] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7164] ioctl(4, LOOP_SET_FD, 3 [pid 7163] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7160] <... openat resumed>) = 3 [pid 7160] chdir("./file0") = 0 [pid 7160] ioctl(4, LOOP_CLR_FD) = 0 [pid 7160] close(4) = 0 [pid 7160] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7160] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7160] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7164] <... ioctl resumed>) = 0 [pid 7160] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7164] close(3 [pid 7160] mount(NULL, "./bus", NULL, 0, NULL [pid 7164] <... close resumed>) = 0 [pid 7160] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7160] exit_group(0 [pid 7164] mkdir("./file0", 0777 [pid 7160] <... exit_group resumed>) = ? [pid 7160] +++ exited with 0 +++ [pid 7164] <... mkdir resumed>) = 0 [ 234.655741][ T7160] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 234.658978][ T7161] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 234.684177][ T7164] loop1: detected capacity change from 0 to 8192 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7160, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5073] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, [pid 7164] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./174/binderfs") = 0 [ 234.716126][ T7163] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.737547][ T7161] REISERFS (device loop0): checking transaction log (loop0) [ 234.745921][ T7161] REISERFS (device loop0): Using r5 hash to sort names [pid 5073] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7167] <... write resumed>) = 4194304 [pid 7167] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7167] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 234.753900][ T7164] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.764883][ T7163] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 234.767190][ T7164] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 234.785731][ T7164] REISERFS (device loop1): using ordered data mode [ 234.792879][ T7164] reiserfs: using flush barriers [ 234.799127][ T7163] REISERFS (device loop3): using ordered data mode [pid 7167] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 7167] close(3 [pid 5071] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7167] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7167] mkdir("./file0", 0777) = 0 [pid 7167] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 234.805868][ T7164] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 234.809532][ T7167] loop5: detected capacity change from 0 to 8192 [ 234.822451][ T7164] REISERFS (device loop1): checking transaction log (loop1) [ 234.830107][ T7161] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.837585][ T7163] reiserfs: using flush barriers [ 234.851212][ T7161] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] lstat("./172/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7161] <... mount resumed>) = 0 [pid 7161] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7161] chdir("./file0") = 0 [pid 7161] ioctl(4, LOOP_CLR_FD) = 0 [pid 7161] close(4) = 0 [pid 7161] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7161] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7161] <... openat resumed>) = 4 [pid 7161] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [ 234.871301][ T7164] REISERFS (device loop1): Using r5 hash to sort names [ 234.875566][ T7163] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 234.888708][ T7164] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7161] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7161] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] getdents64(4, [pid 7161] exit_group(0 [pid 5073] <... umount2 resumed>) = 0 [pid 7161] <... exit_group resumed>) = ? [pid 7161] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7161, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5069] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7164] <... mount resumed>) = 0 [pid 5073] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./168/binderfs", [pid 7164] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(4, [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7164] <... openat resumed>) = 3 [pid 5073] lstat("./174/file0", [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] unlink("./168/binderfs" [pid 7164] chdir("./file0" [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] close(4 [pid 5069] <... unlink resumed>) = 0 [pid 7164] <... chdir resumed>) = 0 [pid 5073] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5069] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7164] ioctl(4, LOOP_CLR_FD [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] rmdir("./172/file0" [pid 7164] <... ioctl resumed>) = 0 [ 234.917214][ T7167] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.937876][ T7164] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 234.953843][ T7163] REISERFS (device loop3): checking transaction log (loop3) [ 234.961607][ T7167] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5073] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... rmdir resumed>) = 0 [pid 7164] close(4 [pid 5073] <... openat resumed>) = 4 [pid 5071] getdents64(3, [pid 7164] <... close resumed>) = 0 [pid 5073] fstat(4, [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7164] mkdir(NULL, 000 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 234.971183][ T7167] REISERFS (device loop5): using ordered data mode [ 234.978383][ T7167] reiserfs: using flush barriers [ 234.983409][ T7163] REISERFS (device loop3): Using r5 hash to sort names [ 234.990705][ T7163] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 234.993142][ T7167] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5071] close(3 [pid 7164] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] getdents64(4, [pid 5071] <... close resumed>) = 0 [pid 7164] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] rmdir("./172" [pid 7164] <... openat resumed>) = 4 [pid 7163] <... mount resumed>) = 0 [pid 5073] getdents64(4, [pid 5071] <... rmdir resumed>) = 0 [pid 7164] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7163] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] mkdir("./173", 0777 [pid 7164] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] close(4 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7164] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... close resumed>) = 0 [ 235.003841][ T7163] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 235.029575][ T7167] REISERFS (device loop5): checking transaction log (loop5) [ 235.047060][ T7167] REISERFS (device loop5): Using r5 hash to sort names [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7164] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] rmdir("./174/file0" [pid 5071] <... openat resumed>) = 3 [pid 7164] exit_group(0 [pid 7163] <... openat resumed>) = 3 [pid 5073] <... rmdir resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7164] <... exit_group resumed>) = ? [pid 5073] getdents64(3, [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7164] +++ exited with 0 +++ [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 7167] <... mount resumed>) = 0 [pid 7163] chdir("./file0" [pid 5073] close(3 [pid 5071] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7164, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5069] lstat("./168/file0", [pid 7167] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7163] <... chdir resumed>) = 0 [pid 5073] rmdir("./174" [pid 5070] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7171 attached [pid 7167] <... openat resumed>) = 3 [pid 7163] ioctl(4, LOOP_CLR_FD [pid 5073] <... rmdir resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7171 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7171] chdir("./173" [pid 7167] chdir("./file0" [pid 7163] <... ioctl resumed>) = 0 [pid 5069] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7171] <... chdir resumed>) = 0 [pid 7167] <... chdir resumed>) = 0 [pid 7163] close(4 [pid 5073] mkdir("./175", 0777 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7167] ioctl(4, LOOP_CLR_FD [pid 7163] <... close resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7171] <... prctl resumed>) = 0 [pid 7167] <... ioctl resumed>) = 0 [pid 7163] mkdir(NULL, 000 [pid 5069] <... openat resumed>) = 4 [pid 7171] setpgid(0, 0 [pid 7167] close(4 [pid 7163] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5069] fstat(4, [pid 7171] <... setpgid resumed>) = 0 [pid 7167] <... close resumed>) = 0 [pid 7163] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7167] mkdir(NULL, 000 [pid 7163] <... openat resumed>) = 4 [pid 5073] <... openat resumed>) = 3 [pid 5069] getdents64(4, [pid 7171] <... openat resumed>) = 3 [pid 7167] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7163] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7171] write(3, "1000", 4 [pid 7167] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7163] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(4, [pid 7171] <... write resumed>) = 4 [pid 7167] <... openat resumed>) = 4 [pid 7163] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7171] close(3 [pid 7167] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7163] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] close(3 [pid 5070] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] close(4 [pid 7171] <... close resumed>) = 0 [pid 7167] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7163] exit_group(0 [pid 5073] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 7171] symlink("/dev/binderfs", "./binderfs" [ 235.062996][ T7167] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.076039][ T7167] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7167] mount(NULL, "./bus", NULL, 0, NULL [pid 7163] <... exit_group resumed>) = ? [pid 5069] rmdir("./168/file0" [pid 7171] <... symlink resumed>) = 0 [pid 7167] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7163] +++ exited with 0 +++ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] fstat(3, [pid 5069] <... rmdir resumed>) = 0 [pid 7171] memfd_create("syzkaller", 0 [pid 7167] exit_group(0 [pid 5069] getdents64(3, [pid 7171] <... memfd_create resumed>) = 3 [pid 7167] <... exit_group resumed>) = ? [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7167] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7163, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] close(3 [pid 7171] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7172 [pid 5070] getdents64(3, [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7167, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- ./strace-static-x86_64: Process 7172 attached [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./168") = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5072] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] mkdir("./169", 0777 [pid 5070] lstat("./171/binderfs", [pid 5072] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7172] chdir("./175" [pid 5072] fstat(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] unlink("./171/binderfs" [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7173 [pid 5070] <... unlink resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7172] <... chdir resumed>) = 0 [pid 5072] getdents64(3, [pid 5074] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5072] lstat("./172/binderfs", [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] unlink("./172/binderfs" [pid 7172] <... prctl resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... unlink resumed>) = 0 [pid 7172] setpgid(0, 0 [pid 5074] lstat("./176/binderfs", [pid 5072] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./176/binderfs" [pid 7172] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7173 attached [pid 7173] chdir("./169") = 0 [pid 7173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... unlink resumed>) = 0 [pid 5074] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7173] <... prctl resumed>) = 0 [pid 7172] <... openat resumed>) = 3 [pid 7173] setpgid(0, 0) = 0 [pid 7172] write(3, "1000", 4 [pid 7173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7172] <... write resumed>) = 4 [pid 7173] <... openat resumed>) = 3 [pid 7173] write(3, "1000", 4) = 4 [pid 7173] close(3) = 0 [pid 7173] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7173] memfd_create("syzkaller", 0) = 3 [pid 7173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7172] close(3) = 0 [pid 7172] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7172] memfd_create("syzkaller", 0) = 3 [pid 7172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7172] 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"..., 4194304 [pid 7171] 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"..., 4194304 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./172/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] <... umount2 resumed>) = 0 [pid 5072] getdents64(4, [pid 5074] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(4 [pid 7173] 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"..., 4194304 [pid 5074] lstat("./176/file0", [pid 5072] <... close resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] rmdir("./172/file0" [pid 5074] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... rmdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(3, [pid 5074] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5072] close(3 [pid 5074] fstat(4, [pid 5072] <... close resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] rmdir("./172") = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] mkdir("./173", 0777 [pid 5074] getdents64(4, [pid 5072] <... mkdir resumed>) = 0 [pid 7172] <... write resumed>) = 4194304 [pid 7172] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] close(4 [pid 5072] <... openat resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7172] <... munmap resumed>) = 0 [pid 5074] rmdir("./176/file0" [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./171/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(3 [pid 5070] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, [pid 5072] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./171/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] getdents64(3, [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] close(3 [pid 7172] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./171") = 0 [pid 7172] <... openat resumed>) = 4 [pid 5070] mkdir("./172", 0777 [pid 7172] ioctl(4, LOOP_SET_FD, 3 [pid 5074] close(3 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7174 [pid 5070] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7174 attached [pid 5074] <... close resumed>) = 0 [pid 7174] chdir("./173") = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7175 [pid 7174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7174] setpgid(0, 0) = 0 [pid 7174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7174] write(3, "1000", 4) = 4 [pid 7174] close(3) = 0 [pid 7174] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 7175 attached [pid 7174] memfd_create("syzkaller", 0 [pid 5074] rmdir("./176" [pid 7175] chdir("./172" [pid 7174] <... memfd_create resumed>) = 3 [pid 5074] <... rmdir resumed>) = 0 [pid 7175] <... chdir resumed>) = 0 [pid 7174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] mkdir("./177", 0777 [pid 7175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7174] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7172] <... ioctl resumed>) = 0 [pid 7171] <... write resumed>) = 4194304 [pid 5074] <... mkdir resumed>) = 0 [pid 7175] <... prctl resumed>) = 0 [pid 7172] close(3 [pid 7171] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7175] setpgid(0, 0) = 0 [pid 7175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7172] <... close resumed>) = 0 [pid 7175] write(3, "1000", 4) = 4 [pid 7175] close(3 [pid 7171] <... munmap resumed>) = 0 [pid 7175] <... close resumed>) = 0 [pid 7172] mkdir("./file0", 0777 [pid 7171] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5074] <... openat resumed>) = 3 [pid 7175] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7175] memfd_create("syzkaller", 0) = 3 [pid 7172] <... mkdir resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 7175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7171] <... openat resumed>) = 4 [pid 7175] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7173] <... write resumed>) = 4194304 [pid 7172] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7171] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 235.385367][ T7172] loop4: detected capacity change from 0 to 8192 [pid 7173] munmap(0x7f8a1b2e3000, 4194304 [pid 7171] <... ioctl resumed>) = 0 [pid 5074] close(3 [pid 7173] <... munmap resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 7173] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7171] close(3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7175] 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"..., 4194304 [pid 7174] 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"..., 4194304 [pid 7173] <... openat resumed>) = 4 [pid 7171] <... close resumed>) = 0 [ 235.438073][ T7171] loop2: detected capacity change from 0 to 8192 [ 235.457470][ T7172] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.470920][ T7172] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 235.477268][ T7173] loop0: detected capacity change from 0 to 8192 ./strace-static-x86_64: Process 7177 attached [pid 7173] ioctl(4, LOOP_SET_FD, 3 [pid 7171] mkdir("./file0", 0777 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7177 [pid 7177] chdir("./177" [pid 7173] <... ioctl resumed>) = 0 [pid 7171] <... mkdir resumed>) = 0 [pid 7177] <... chdir resumed>) = 0 [pid 7177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7173] close(3 [pid 7177] <... prctl resumed>) = 0 [pid 7173] <... close resumed>) = 0 [pid 7173] mkdir("./file0", 0777 [pid 7177] setpgid(0, 0) = 0 [pid 7171] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7173] <... mkdir resumed>) = 0 [pid 7173] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7177] <... openat resumed>) = 3 [pid 7177] write(3, "1000", 4) = 4 [pid 7177] close(3) = 0 [pid 7177] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7177] memfd_create("syzkaller", 0) = 3 [ 235.481568][ T7172] REISERFS (device loop4): using ordered data mode [ 235.501241][ T7172] reiserfs: using flush barriers [ 235.508049][ T7171] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.509923][ T7172] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 235.539941][ T7173] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.566894][ T7172] REISERFS (device loop4): checking transaction log (loop4) [ 235.574630][ T7171] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7175] <... write resumed>) = 4194304 [pid 7175] munmap(0x7f8a1b2e3000, 4194304) = 0 [ 235.575905][ T7172] REISERFS (device loop4): Using r5 hash to sort names [ 235.584615][ T7171] REISERFS (device loop2): using ordered data mode [ 235.598170][ T7171] reiserfs: using flush barriers [ 235.604424][ T7173] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 235.604627][ T7171] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7175] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7175] ioctl(4, LOOP_SET_FD, 3 [pid 7172] <... mount resumed>) = 0 [pid 7172] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7177] 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"..., 4194304 [pid 7172] <... openat resumed>) = 3 [pid 7174] <... write resumed>) = 4194304 [pid 7174] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7174] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7174] ioctl(4, LOOP_SET_FD, 3 [pid 7175] <... ioctl resumed>) = 0 [pid 7175] close(3) = 0 [ 235.614573][ T7172] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.642611][ T7173] REISERFS (device loop0): using ordered data mode [ 235.642830][ T7172] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 235.653353][ T7175] loop1: detected capacity change from 0 to 8192 [ 235.668377][ T7171] REISERFS (device loop2): checking transaction log (loop2) [ 235.680074][ T7174] loop3: detected capacity change from 0 to 8192 [pid 7175] mkdir("./file0", 0777) = 0 [pid 7172] chdir("./file0" [pid 7175] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7172] <... chdir resumed>) = 0 [pid 7172] ioctl(4, LOOP_CLR_FD) = 0 [ 235.687430][ T7173] reiserfs: using flush barriers [ 235.694172][ T7171] REISERFS (device loop2): Using r5 hash to sort names [ 235.710061][ T7171] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.710301][ T7175] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7172] close(4 [pid 7177] <... write resumed>) = 4194304 [pid 7174] <... ioctl resumed>) = 0 [pid 7172] <... close resumed>) = 0 [pid 7177] munmap(0x7f8a1b2e3000, 4194304 [pid 7174] close(3 [pid 7172] mkdir(NULL, 000 [pid 7177] <... munmap resumed>) = 0 [pid 7174] <... close resumed>) = 0 [pid 7172] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7171] <... mount resumed>) = 0 [pid 7177] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7174] mkdir("./file0", 0777 [pid 7172] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7171] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7177] <... openat resumed>) = 4 [pid 7174] <... mkdir resumed>) = 0 [pid 7177] ioctl(4, LOOP_SET_FD, 3 [pid 7174] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7172] <... openat resumed>) = 4 [pid 7171] <... openat resumed>) = 3 [ 235.722893][ T7171] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 235.751956][ T7175] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 235.761300][ T7173] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.771116][ T7175] REISERFS (device loop1): using ordered data mode [ 235.778819][ T7173] REISERFS (device loop0): checking transaction log (loop0) [pid 7172] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7171] chdir("./file0" [pid 7172] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7171] <... chdir resumed>) = 0 [pid 7172] mount(NULL, "./bus", NULL, 0, NULL [pid 7171] ioctl(4, LOOP_CLR_FD [pid 7172] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7171] <... ioctl resumed>) = 0 [pid 7172] exit_group(0 [pid 7171] close(4 [pid 7172] <... exit_group resumed>) = ? [pid 7171] <... close resumed>) = 0 [pid 7172] +++ exited with 0 +++ [pid 7171] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7171] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7172, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 7171] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 7171] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7171] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [ 235.785113][ T7177] loop5: detected capacity change from 0 to 8192 [ 235.794171][ T7175] reiserfs: using flush barriers [ 235.804790][ T7173] REISERFS (device loop0): Using r5 hash to sort names [ 235.813812][ T7173] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7171] exit_group(0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7171] <... exit_group resumed>) = ? [pid 5073] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7171] +++ exited with 0 +++ [pid 5073] <... openat resumed>) = 3 [pid 5073] fstat(3, [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7171, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=14 /* 0.14 s */} --- [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [ 235.826551][ T7175] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.826992][ T7173] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 235.854120][ T7175] REISERFS (device loop1): checking transaction log (loop1) [ 235.862556][ T7174] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.870312][ T7175] REISERFS (device loop1): Using r5 hash to sort names [pid 5073] getdents64(3, [pid 5071] <... restart_syscall resumed>) = 0 [pid 7177] <... ioctl resumed>) = 0 [pid 7173] <... mount resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7177] close(3 [pid 7173] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7177] <... close resumed>) = 0 [pid 7173] <... openat resumed>) = 3 [pid 7177] mkdir("./file0", 0777 [pid 7173] chdir("./file0" [pid 7177] <... mkdir resumed>) = 0 [pid 7173] <... chdir resumed>) = 0 [pid 7177] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7173] ioctl(4, LOOP_CLR_FD) = 0 [pid 7173] close(4) = 0 [pid 7173] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7173] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7173] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7173] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7173] exit_group(0) = ? [pid 7173] +++ exited with 0 +++ [pid 5073] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7173, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5073] lstat("./175/binderfs", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./175/binderfs" [pid 5071] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... unlink resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [ 235.883550][ T7177] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.907870][ T7174] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 235.916051][ T7175] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 235.918663][ T7177] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5069] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] fstat(3, [pid 5069] <... openat resumed>) = 3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] fstat(3, [pid 5071] getdents64(3, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] getdents64(3, [pid 5071] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./173/binderfs", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] lstat("./169/binderfs", [pid 5071] unlink("./173/binderfs" [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5069] unlink("./169/binderfs" [pid 5071] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... unlink resumed>) = 0 [pid 5069] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7175] <... mount resumed>) = 0 [ 235.932038][ T7175] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 235.940066][ T7177] REISERFS (device loop5): using ordered data mode [ 235.955789][ T7177] reiserfs: using flush barriers [ 235.962464][ T7177] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.969520][ T7174] REISERFS (device loop3): using ordered data mode [ 235.980118][ T7177] REISERFS (device loop5): checking transaction log (loop5) [pid 7175] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7175] chdir("./file0") = 0 [pid 7175] ioctl(4, LOOP_CLR_FD) = 0 [pid 7175] close(4 [pid 7177] <... mount resumed>) = 0 [pid 7175] <... close resumed>) = 0 [pid 7175] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7175] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7175] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [ 235.987939][ T7174] reiserfs: using flush barriers [ 235.994344][ T7177] REISERFS (device loop5): Using r5 hash to sort names [ 236.005415][ T7177] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.018687][ T7177] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7175] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7177] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7175] exit_group(0) = ? [pid 7175] +++ exited with 0 +++ [pid 7177] <... openat resumed>) = 3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7175, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 7177] chdir("./file0") = 0 [pid 7177] ioctl(4, LOOP_CLR_FD) = 0 [pid 5070] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 236.028298][ T7174] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.045903][ T7174] REISERFS (device loop3): checking transaction log (loop3) [ 236.058621][ T7174] REISERFS (device loop3): Using r5 hash to sort names [ 236.065886][ T7174] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5070] getdents64(3, [pid 7177] close(4 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7177] <... close resumed>) = 0 [pid 7174] <... mount resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7177] mkdir(NULL, 000 [pid 7174] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7177] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7174] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./172/binderfs", [pid 7177] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7174] chdir("./file0" [pid 5071] lstat("./173/file0", [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7177] <... openat resumed>) = 4 [pid 7174] <... chdir resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] unlink("./172/binderfs" [pid 7177] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7174] ioctl(4, LOOP_CLR_FD [pid 5071] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... unlink resumed>) = 0 [pid 7177] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7174] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7177] mount(NULL, "./bus", NULL, 0, NULL [pid 7174] close(4 [pid 5071] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7177] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7174] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 7177] exit_group(0 [pid 7174] mkdir(NULL, 000 [pid 7177] <... exit_group resumed>) = ? [pid 7174] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] fstat(4, [pid 7177] +++ exited with 0 +++ [pid 7174] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7177, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [ 236.096484][ T7174] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, [pid 7174] <... openat resumed>) = 4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, [pid 7174] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] getdents64(3, [pid 5073] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7174] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7174] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(4, [pid 5069] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./177/binderfs", [pid 7174] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] lstat("./175/file0", [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7174] exit_group(0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] lstat("./169/file0", [pid 5071] close(4 [pid 7174] <... exit_group resumed>) = ? [pid 5074] unlink("./177/binderfs") = 0 [pid 5073] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7174] +++ exited with 0 +++ [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] rmdir("./173/file0" [pid 5073] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7174, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} --- [pid 5069] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... openat resumed>) = 4 [pid 5072] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, [pid 5073] fstat(4, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] getdents64(4, [pid 5072] <... openat resumed>) = 3 [pid 5071] close(3 [pid 5069] <... openat resumed>) = 4 [pid 5072] fstat(3, [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] fstat(4, [pid 5073] getdents64(4, [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] rmdir("./173" [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./173/binderfs", [pid 5073] close(4 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./173/binderfs") = 0 [pid 5072] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5071] mkdir("./174", 0777 [pid 5073] rmdir("./175/file0" [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... rmdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] getdents64(4, [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] close(4 [pid 5073] <... close resumed>) = 0 [pid 5073] rmdir("./175" [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./169/file0" [pid 5073] <... rmdir resumed>) = 0 [pid 5071] close(3 [pid 5069] <... rmdir resumed>) = 0 [pid 5073] mkdir("./176", 0777) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7183 attached [pid 5073] <... openat resumed>) = 3 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7183 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] close(3 [pid 7183] chdir("./174" [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5070] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 7183] <... chdir resumed>) = 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] rmdir("./169") = 0 [pid 5073] close(3 [pid 7183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... close resumed>) = 0 [pid 5069] mkdir("./170", 0777 [pid 5070] lstat("./172/file0", [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7183] <... prctl resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7184 [pid 5069] <... openat resumed>) = 3 [pid 7183] setpgid(0, 0) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 7183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... close resumed>) = 0 [pid 7183] <... openat resumed>) = 3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7183] write(3, "1000", 4./strace-static-x86_64: Process 7184 attached [pid 7184] chdir("./176" [pid 7183] <... write resumed>) = 4 [pid 7183] close(3 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7185 [pid 7183] <... close resumed>) = 0 [pid 7183] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7184] <... chdir resumed>) = 0 [pid 7184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7183] memfd_create("syzkaller", 0 [pid 7184] <... prctl resumed>) = 0 [pid 7184] setpgid(0, 0 [pid 7183] <... memfd_create resumed>) = 3 [pid 7184] <... setpgid resumed>) = 0 [pid 7183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7184] write(3, "1000", 4 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7184] <... write resumed>) = 4 [pid 7184] close(3) = 0 [pid 7184] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5070] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7184] memfd_create("syzkaller", 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7184] <... memfd_create resumed>) = 3 [pid 5070] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5070] <... openat resumed>) = 4 [pid 5070] fstat(4, ./strace-static-x86_64: Process 7185 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7185] chdir("./170" [pid 5074] <... umount2 resumed>) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 7185] <... chdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 7185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... close resumed>) = 0 [pid 7185] <... prctl resumed>) = 0 [pid 5070] rmdir("./172/file0" [pid 7185] setpgid(0, 0 [pid 5074] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./177/file0", [pid 5070] <... rmdir resumed>) = 0 [pid 7185] <... setpgid resumed>) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 7185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] rmdir("./172" [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] <... rmdir resumed>) = 0 [pid 5070] mkdir("./173", 0777 [pid 7185] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7185] write(3, "1000", 4 [pid 5070] <... mkdir resumed>) = 0 [pid 7185] <... write resumed>) = 4 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7185] close(3) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7185] symlink("/dev/binderfs", "./binderfs" [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7185] <... symlink resumed>) = 0 [pid 5074] getdents64(4, [pid 5070] close(3 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7185] memfd_create("syzkaller", 0 [pid 5074] getdents64(4, [pid 5070] <... close resumed>) = 0 [pid 7185] <... memfd_create resumed>) = 3 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] close(4 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7185] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... close resumed>) = 0 [pid 5074] rmdir("./177/file0" [pid 5072] <... umount2 resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7186 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 5072] lstat("./173/file0", [pid 5074] rmdir("./177" [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7186 attached [pid 7184] 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"..., 4194304 [pid 5074] <... rmdir resumed>) = 0 [pid 5072] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7186] chdir("./173" [pid 5074] mkdir("./178", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7186] <... chdir resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] <... openat resumed>) = 4 [pid 7186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5072] fstat(4, [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] getdents64(4, [pid 7186] setpgid(0, 0 [pid 5074] close(3 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7186] <... setpgid resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5072] getdents64(4, [pid 7186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7186] <... openat resumed>) = 3 [pid 5072] close(4 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7187 [pid 5072] <... close resumed>) = 0 [pid 5072] rmdir("./173/file0") = 0 [pid 7186] write(3, "1000", 4 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7186] <... write resumed>) = 4 [pid 5072] close(3 [pid 7186] close(3 [pid 5072] <... close resumed>) = 0 [pid 7186] <... close resumed>) = 0 [pid 5072] rmdir("./173" [pid 7186] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... rmdir resumed>) = 0 [pid 5072] mkdir("./174", 0777 [pid 7186] <... symlink resumed>) = 0 [pid 7183] 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"..., 4194304 [pid 5072] <... mkdir resumed>) = 0 [pid 7186] memfd_create("syzkaller", 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7186] <... memfd_create resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 7186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 7186] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7188 ./strace-static-x86_64: Process 7188 attached [pid 7188] chdir("./174") = 0 [pid 7188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7188] setpgid(0, 0) = 0 [pid 7188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7188] write(3, "1000", 4) = 4 [pid 7188] close(3./strace-static-x86_64: Process 7187 attached ) = 0 [pid 7188] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7187] chdir("./178" [pid 7188] memfd_create("syzkaller", 0 [pid 7187] <... chdir resumed>) = 0 [pid 7188] <... memfd_create resumed>) = 3 [pid 7188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7185] 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"..., 4194304 [pid 7187] <... prctl resumed>) = 0 [pid 7187] setpgid(0, 0) = 0 [pid 7187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7187] write(3, "1000", 4) = 4 [pid 7187] close(3) = 0 [pid 7187] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7187] memfd_create("syzkaller", 0) = 3 [pid 7187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7186] 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"..., 4194304 [pid 7187] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7184] <... write resumed>) = 4194304 [pid 7184] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7183] <... write resumed>) = 4194304 [pid 7184] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7184] ioctl(4, LOOP_SET_FD, 3 [pid 7188] 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"..., 4194304 [pid 7183] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7183] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7183] ioctl(4, LOOP_SET_FD, 3 [pid 7184] <... ioctl resumed>) = 0 [pid 7184] close(3) = 0 [pid 7184] mkdir("./file0", 0777) = 0 [ 236.515276][ T7184] loop4: detected capacity change from 0 to 8192 [ 236.549981][ T7183] loop2: detected capacity change from 0 to 8192 [pid 7184] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7187] 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"..., 4194304 [pid 7185] <... write resumed>) = 4194304 [pid 7185] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7183] <... ioctl resumed>) = 0 [pid 7185] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7183] close(3 [pid 7185] <... openat resumed>) = 4 [pid 7183] <... close resumed>) = 0 [pid 7186] <... write resumed>) = 4194304 [pid 7185] ioctl(4, LOOP_SET_FD, 3 [pid 7183] mkdir("./file0", 0777 [pid 7186] munmap(0x7f8a1b2e3000, 4194304 [pid 7183] <... mkdir resumed>) = 0 [pid 7183] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7186] <... munmap resumed>) = 0 [pid 7185] <... ioctl resumed>) = 0 [pid 7186] openat(AT_FDCWD, "/dev/loop1", O_RDWR [ 236.567217][ T7184] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.599330][ T7185] loop0: detected capacity change from 0 to 8192 [pid 7185] close(3 [pid 7186] <... openat resumed>) = 4 [pid 7185] <... close resumed>) = 0 [pid 7187] <... write resumed>) = 4194304 [pid 7186] ioctl(4, LOOP_SET_FD, 3 [pid 7185] mkdir("./file0", 0777 [pid 7187] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7185] <... mkdir resumed>) = 0 [pid 7187] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7186] <... ioctl resumed>) = 0 [pid 7185] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7187] <... openat resumed>) = 4 [pid 7187] ioctl(4, LOOP_SET_FD, 3 [pid 7186] close(3 [pid 7187] <... ioctl resumed>) = 0 [ 236.610679][ T7183] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.625255][ T7184] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 236.635140][ T7184] REISERFS (device loop4): using ordered data mode [ 236.642007][ T7186] loop1: detected capacity change from 0 to 8192 [ 236.648534][ T7183] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 236.653998][ T7187] loop5: detected capacity change from 0 to 8192 [pid 7187] close(3) = 0 [pid 7187] mkdir("./file0", 0777 [pid 7186] <... close resumed>) = 0 [pid 7187] <... mkdir resumed>) = 0 [pid 7187] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7186] mkdir("./file0", 0777 [pid 7188] <... write resumed>) = 4194304 [pid 7186] <... mkdir resumed>) = 0 [pid 7188] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7188] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7188] ioctl(4, LOOP_SET_FD, 3 [ 236.658202][ T7183] REISERFS (device loop2): using ordered data mode [ 236.670680][ T7183] reiserfs: using flush barriers [ 236.677598][ T7183] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.687895][ T7184] reiserfs: using flush barriers [ 236.694491][ T7185] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.710220][ T7188] loop3: detected capacity change from 0 to 8192 [pid 7186] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7188] <... ioctl resumed>) = 0 [pid 7188] close(3) = 0 [pid 7188] mkdir("./file0", 0777) = 0 [ 236.711918][ T7185] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 236.728722][ T7187] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.728809][ T7183] REISERFS (device loop2): checking transaction log (loop2) [ 236.743732][ T7184] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.767473][ T7186] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.768582][ T7185] REISERFS (device loop0): using ordered data mode [ 236.780696][ T7186] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 236.796415][ T7186] REISERFS (device loop1): using ordered data mode [ 236.797208][ T7183] REISERFS (device loop2): Using r5 hash to sort names [ 236.803278][ T7186] reiserfs: using flush barriers [ 236.815128][ T7187] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 236.816336][ T7184] REISERFS (device loop4): checking transaction log (loop4) [ 236.826409][ T7186] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.831798][ T7185] reiserfs: using flush barriers [ 236.850888][ T7188] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7188] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7183] <... mount resumed>) = 0 [ 236.854969][ T7183] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.866923][ T7185] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.879247][ T7183] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 236.898361][ T7187] REISERFS (device loop5): using ordered data mode [pid 7183] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7183] chdir("./file0") = 0 [pid 7183] ioctl(4, LOOP_CLR_FD) = 0 [pid 7183] close(4) = 0 [ 236.905515][ T7186] REISERFS (device loop1): checking transaction log (loop1) [ 236.916899][ T7188] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 236.921544][ T7184] REISERFS (device loop4): Using r5 hash to sort names [ 236.938202][ T7184] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.951920][ T7186] REISERFS (device loop1): Using r5 hash to sort names [pid 7183] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7183] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 236.959273][ T7186] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 236.962222][ T7185] REISERFS (device loop0): checking transaction log (loop0) [ 236.977608][ T7188] REISERFS (device loop3): using ordered data mode [ 236.987266][ T7187] reiserfs: using flush barriers [ 236.991442][ T7188] reiserfs: using flush barriers [ 237.004318][ T7185] REISERFS (device loop0): Using r5 hash to sort names [pid 7183] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [ 237.007832][ T7184] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 237.016784][ T7188] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.020570][ T7187] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.039007][ T7185] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7186] <... mount resumed>) = 0 [pid 7184] <... mount resumed>) = 0 [pid 7183] mount(NULL, "./bus", NULL, 0, NULL [pid 7186] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7184] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7183] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7186] <... openat resumed>) = 3 [pid 7186] chdir("./file0") = 0 [pid 7186] ioctl(4, LOOP_CLR_FD) = 0 [pid 7184] <... openat resumed>) = 3 [pid 7186] close(4 [pid 7183] exit_group(0 [pid 7184] chdir("./file0" [pid 7183] <... exit_group resumed>) = ? [pid 7186] <... close resumed>) = 0 [pid 7186] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7186] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7186] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7186] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7186] exit_group(0) = ? [pid 7186] +++ exited with 0 +++ [pid 7184] <... chdir resumed>) = 0 [pid 7183] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7186, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7183, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 7184] ioctl(4, LOOP_CLR_FD) = 0 [pid 7184] close(4 [pid 5071] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [ 237.053538][ T7186] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 237.068095][ T7188] REISERFS (device loop3): checking transaction log (loop3) [ 237.076757][ T7187] REISERFS (device loop5): checking transaction log (loop5) [ 237.098652][ T7188] REISERFS (device loop3): Using r5 hash to sort names [ 237.106924][ T7188] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5070] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7184] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7184] mkdir(NULL, 000 [pid 5071] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7184] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 7184] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] fstat(3, [pid 5070] fstat(3, [pid 7184] <... openat resumed>) = 4 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7184] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] getdents64(3, [pid 5070] getdents64(3, [pid 7184] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7184] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7184] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] lstat("./174/binderfs", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7184] exit_group(0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] lstat("./173/binderfs", [pid 7184] <... exit_group resumed>) = ? [pid 5071] unlink("./174/binderfs" [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7188] <... mount resumed>) = 0 [pid 7184] +++ exited with 0 +++ [pid 5071] <... unlink resumed>) = 0 [pid 5070] unlink("./173/binderfs" [pid 5071] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... unlink resumed>) = 0 [pid 7188] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7184, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5070] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] <... openat resumed>) = 3 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 7188] chdir("./file0" [pid 5073] <... restart_syscall resumed>) = 0 [pid 7188] <... chdir resumed>) = 0 [pid 7188] ioctl(4, LOOP_CLR_FD) = 0 [pid 5073] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] close(4 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7188] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7188] mkdir(NULL, 000 [pid 5073] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7188] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] lstat("./176/binderfs", [pid 7188] <... openat resumed>) = 4 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./176/binderfs" [pid 7188] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... unlink resumed>) = 0 [pid 7188] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7188] exit_group(0) = ? [pid 7188] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7188, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5072] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 237.119906][ T7188] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 237.148873][ T7185] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5072] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./174/binderfs") = 0 [pid 5072] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7185] <... mount resumed>) = 0 [pid 7185] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7185] chdir("./file0") = 0 [pid 7185] ioctl(4, LOOP_CLR_FD) = 0 [pid 7185] close(4) = 0 [pid 7185] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7185] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 237.190104][ T7187] REISERFS (device loop5): Using r5 hash to sort names [pid 7185] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7185] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7185] exit_group(0) = ? [pid 7185] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7185, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5069] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./170/binderfs") = 0 [pid 5069] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = 0 [ 237.252203][ T7187] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5071] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./174/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./173/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 5071] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... close resumed>) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] rmdir("./173/file0" [pid 5073] <... umount2 resumed>) = 0 [pid 5071] close(4 [pid 5070] <... rmdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] getdents64(3, [pid 5071] rmdir("./174/file0" [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5071] getdents64(3, [pid 5070] rmdir("./173" [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5070] mkdir("./174", 0777 [pid 5071] close(3 [pid 5070] <... mkdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] rmdir("./174" [pid 5070] <... openat resumed>) = 3 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5071] mkdir("./175", 0777 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7195 [pid 5073] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./176/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 5072] <... umount2 resumed>) = 0 [ 237.321400][ T7187] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 7195 attached [pid 7187] <... mount resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] <... openat resumed>) = 3 [pid 7195] chdir("./174" [pid 7187] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] getdents64(4, [pid 5072] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7195] <... chdir resumed>) = 0 [pid 7187] <... openat resumed>) = 3 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7187] chdir("./file0" [pid 5073] close(4 [pid 5071] close(3 [pid 5072] lstat("./174/file0", [pid 7195] <... prctl resumed>) = 0 [pid 7187] <... chdir resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7195] setpgid(0, 0 [pid 7187] ioctl(4, LOOP_CLR_FD [pid 5073] rmdir("./176/file0" [pid 5072] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7195] <... setpgid resumed>) = 0 [pid 7187] <... ioctl resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7187] close(4 [pid 5073] getdents64(3, [pid 5072] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7195] <... openat resumed>) = 3 [pid 7187] <... close resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5069] lstat("./170/file0", [pid 7195] write(3, "1000", 4 [pid 7187] mkdir(NULL, 000 [pid 5073] close(3 [pid 5072] fstat(4, [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7196 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7195] <... write resumed>) = 4 [pid 7187] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... close resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7195] close(3 [pid 7187] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] rmdir("./176" [pid 5072] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7195] <... close resumed>) = 0 [pid 7187] <... openat resumed>) = 4 [pid 5073] <... rmdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7196 attached [pid 7195] symlink("/dev/binderfs", "./binderfs" [pid 7187] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] mkdir("./177", 0777 [pid 5072] getdents64(4, [pid 5069] <... openat resumed>) = 4 [pid 7196] chdir("./175" [pid 7195] <... symlink resumed>) = 0 [pid 7187] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... mkdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] fstat(4, [pid 7196] <... chdir resumed>) = 0 [pid 7195] memfd_create("syzkaller", 0 [pid 7187] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] close(4 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7195] <... memfd_create resumed>) = 3 [pid 7187] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 7196] <... prctl resumed>) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5072] rmdir("./174/file0" [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7196] setpgid(0, 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... rmdir resumed>) = 0 [pid 5069] getdents64(4, [pid 7196] <... setpgid resumed>) = 0 [pid 7195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7187] exit_group(0 [pid 5073] close(3 [pid 5072] getdents64(3, [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7195] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7187] <... exit_group resumed>) = ? [pid 5073] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 7196] <... openat resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] close(3 [pid 5069] <... close resumed>) = 0 [pid 7196] write(3, "1000", 4 [pid 7187] +++ exited with 0 +++ [pid 5072] <... close resumed>) = 0 [pid 5069] rmdir("./170/file0" [pid 7196] <... write resumed>) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7187, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7197 [pid 5072] rmdir("./174" [pid 5069] <... rmdir resumed>) = 0 [pid 7196] close(3 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, [pid 7196] <... close resumed>) = 0 [pid 5072] mkdir("./175", 0777 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7196] symlink("/dev/binderfs", "./binderfs" [pid 5074] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... mkdir resumed>) = 0 [pid 5069] close(3 [pid 7196] <... symlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... close resumed>) = 0 ./strace-static-x86_64: Process 7197 attached [pid 7196] memfd_create("syzkaller", 0 [pid 5074] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... openat resumed>) = 3 [pid 5069] rmdir("./170" [pid 7197] chdir("./177" [pid 7196] <... memfd_create resumed>) = 3 [pid 5074] <... openat resumed>) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5069] <... rmdir resumed>) = 0 [pid 7197] <... chdir resumed>) = 0 [pid 7196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] fstat(3, [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] mkdir("./171", 0777 [pid 7197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7196] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] close(3 [pid 5069] <... mkdir resumed>) = 0 [pid 7197] <... prctl resumed>) = 0 [pid 5074] getdents64(3, [pid 5072] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7197] setpgid(0, 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... openat resumed>) = 3 [pid 7197] <... setpgid resumed>) = 0 [pid 5074] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7198 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7197] <... openat resumed>) = 3 [pid 5074] lstat("./178/binderfs", [pid 5069] close(3 [pid 7197] write(3, "1000", 4 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 7197] <... write resumed>) = 4 [pid 5074] unlink("./178/binderfs" [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7197] close(3 [pid 5074] <... unlink resumed>) = 0 [pid 7197] <... close resumed>) = 0 [pid 5074] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7199 ./strace-static-x86_64: Process 7198 attached [pid 7197] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7197] memfd_create("syzkaller", 0) = 3 [pid 7197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7199 attached ) = 0x7f8a1b2e3000 [pid 7199] chdir("./171" [pid 7198] chdir("./175" [pid 7195] 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"..., 4194304 [pid 7199] <... chdir resumed>) = 0 [pid 7198] <... chdir resumed>) = 0 [pid 7199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7199] <... prctl resumed>) = 0 [pid 7198] <... prctl resumed>) = 0 [pid 7199] setpgid(0, 0 [pid 7198] setpgid(0, 0 [pid 7199] <... setpgid resumed>) = 0 [pid 7198] <... setpgid resumed>) = 0 [pid 7199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7199] <... openat resumed>) = 3 [pid 7198] <... openat resumed>) = 3 [pid 7199] write(3, "1000", 4 [pid 7198] write(3, "1000", 4 [pid 7199] <... write resumed>) = 4 [pid 7198] <... write resumed>) = 4 [pid 7199] close(3 [pid 7198] close(3 [pid 7199] <... close resumed>) = 0 [pid 7198] <... close resumed>) = 0 [pid 7199] symlink("/dev/binderfs", "./binderfs" [pid 7198] symlink("/dev/binderfs", "./binderfs" [pid 7199] <... symlink resumed>) = 0 [pid 7198] <... symlink resumed>) = 0 [pid 7199] memfd_create("syzkaller", 0 [pid 7198] memfd_create("syzkaller", 0 [pid 7199] <... memfd_create resumed>) = 3 [pid 7198] <... memfd_create resumed>) = 3 [pid 7199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7199] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7198] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7197] 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"..., 4194304 [pid 7196] 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"..., 4194304 [pid 5074] <... umount2 resumed>) = 0 [pid 7199] 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"..., 4194304 [pid 5074] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./178/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7198] 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"..., 4194304 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./178/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./178") = 0 [pid 5074] mkdir("./179", 0777 [pid 7196] <... write resumed>) = 4194304 [pid 7195] <... write resumed>) = 4194304 [pid 5074] <... mkdir resumed>) = 0 [pid 7196] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7196] <... munmap resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 7196] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5074] ioctl(3, LOOP_CLR_FD [pid 7198] <... write resumed>) = 4194304 [pid 7198] munmap(0x7f8a1b2e3000, 4194304 [pid 7196] <... openat resumed>) = 4 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7198] <... munmap resumed>) = 0 [pid 7195] munmap(0x7f8a1b2e3000, 4194304 [pid 7198] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7196] ioctl(4, LOOP_SET_FD, 3 [pid 5074] close(3 [pid 7198] <... openat resumed>) = 4 [pid 7195] <... munmap resumed>) = 0 [pid 7195] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7195] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... close resumed>) = 0 [pid 7198] ioctl(4, LOOP_SET_FD, 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7195] <... ioctl resumed>) = 0 [pid 7195] close(3) = 0 [pid 7195] mkdir("./file0", 0777) = 0 [pid 7195] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7197] <... write resumed>) = 4194304 [pid 7196] <... ioctl resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7200 [pid 7198] <... ioctl resumed>) = 0 [pid 7197] munmap(0x7f8a1b2e3000, 4194304 [pid 7196] close(3./strace-static-x86_64: Process 7200 attached [pid 7198] close(3 [pid 7197] <... munmap resumed>) = 0 [pid 7196] <... close resumed>) = 0 [pid 7200] chdir("./179" [pid 7198] <... close resumed>) = 0 [pid 7197] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7196] mkdir("./file0", 0777 [pid 7200] <... chdir resumed>) = 0 [pid 7198] mkdir("./file0", 0777 [pid 7197] <... openat resumed>) = 4 [pid 7196] <... mkdir resumed>) = 0 [pid 7200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7198] <... mkdir resumed>) = 0 [pid 7197] ioctl(4, LOOP_SET_FD, 3 [pid 7196] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7200] <... prctl resumed>) = 0 [pid 7199] <... write resumed>) = 4194304 [pid 7198] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7199] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7199] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7200] setpgid(0, 0 [pid 7199] <... openat resumed>) = 4 [pid 7197] <... ioctl resumed>) = 0 [ 237.689888][ T7196] loop2: detected capacity change from 0 to 8192 [ 237.695568][ T7195] loop1: detected capacity change from 0 to 8192 [ 237.704603][ T7198] loop3: detected capacity change from 0 to 8192 [ 237.728877][ T7197] loop4: detected capacity change from 0 to 8192 [pid 7199] ioctl(4, LOOP_SET_FD, 3 [pid 7200] <... setpgid resumed>) = 0 [pid 7199] <... ioctl resumed>) = 0 [pid 7199] close(3) = 0 [pid 7199] mkdir("./file0", 0777) = 0 [pid 7199] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 237.738771][ T7195] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.740881][ T7199] loop0: detected capacity change from 0 to 8192 [ 237.753328][ T7196] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.766140][ T7195] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 237.781482][ T7195] REISERFS (device loop1): using ordered data mode [pid 7200] write(3, "1000", 4 [ 237.782106][ T7198] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.788735][ T7195] reiserfs: using flush barriers [ 237.806169][ T7196] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 237.808320][ T7198] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 237.816462][ T7196] REISERFS (device loop2): using ordered data mode [pid 7197] close(3 [pid 7200] <... write resumed>) = 4 [pid 7197] <... close resumed>) = 0 [pid 7200] close(3 [ 237.825037][ T7195] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.831160][ T7196] reiserfs: using flush barriers [ 237.848117][ T7199] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.853236][ T7198] REISERFS (device loop3): using ordered data mode [ 237.865072][ T7196] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7197] mkdir("./file0", 0777 [pid 7200] <... close resumed>) = 0 [pid 7197] <... mkdir resumed>) = 0 [pid 7200] symlink("/dev/binderfs", "./binderfs" [ 237.871620][ T7198] reiserfs: using flush barriers [ 237.890021][ T7199] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 237.895033][ T7195] REISERFS (device loop1): checking transaction log (loop1) [ 237.904493][ T7196] REISERFS (device loop2): checking transaction log (loop2) [ 237.909480][ T7198] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.918866][ T7199] REISERFS (device loop0): using ordered data mode [pid 7197] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7200] <... symlink resumed>) = 0 [ 237.934552][ T7198] REISERFS (device loop3): checking transaction log (loop3) [ 237.947914][ T7199] reiserfs: using flush barriers [ 237.948941][ T7196] REISERFS (device loop2): Using r5 hash to sort names [ 237.959990][ T7198] REISERFS (device loop3): Using r5 hash to sort names [ 237.962097][ T7196] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 237.967258][ T7195] REISERFS (device loop1): Using r5 hash to sort names [pid 7200] memfd_create("syzkaller", 0 [pid 7196] <... mount resumed>) = 0 [pid 7196] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7196] chdir("./file0") = 0 [pid 7196] ioctl(4, LOOP_CLR_FD) = 0 [pid 7196] close(4 [pid 7200] <... memfd_create resumed>) = 3 [pid 7200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 237.981264][ T7196] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 237.986480][ T7199] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.986838][ T7199] REISERFS (device loop0): checking transaction log (loop0) [ 238.020551][ T7197] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7200] 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"..., 4194304 [pid 7196] <... close resumed>) = 0 [pid 7196] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7196] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7196] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7195] <... mount resumed>) = 0 [pid 7196] mount(NULL, "./bus", NULL, 0, NULL [pid 7195] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7196] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7195] <... openat resumed>) = 3 [pid 7196] exit_group(0 [pid 7195] chdir("./file0") = 0 [pid 7196] <... exit_group resumed>) = ? [pid 7195] ioctl(4, LOOP_CLR_FD [pid 7196] +++ exited with 0 +++ [pid 7195] <... ioctl resumed>) = 0 [ 238.032507][ T7198] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.043214][ T7197] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 238.057078][ T7195] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.069418][ T7198] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 238.071214][ T7195] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7195] close(4 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7196, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 7198] <... mount resumed>) = 0 [pid 7195] <... close resumed>) = 0 [pid 5071] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./175/binderfs") = 0 [pid 5071] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7198] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7195] mkdir(NULL, 000 [pid 7198] <... openat resumed>) = 3 [pid 7195] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7198] chdir("./file0" [pid 7195] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7198] <... chdir resumed>) = 0 [pid 7195] <... openat resumed>) = 4 [ 238.097656][ T7197] REISERFS (device loop4): using ordered data mode [ 238.104341][ T7197] reiserfs: using flush barriers [ 238.108485][ T7199] REISERFS (device loop0): Using r5 hash to sort names [ 238.117122][ T7197] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7200] <... write resumed>) = 4194304 [pid 7198] ioctl(4, LOOP_CLR_FD [pid 7195] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7200] munmap(0x7f8a1b2e3000, 4194304 [pid 7198] <... ioctl resumed>) = 0 [pid 7195] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7200] <... munmap resumed>) = 0 [pid 7199] <... mount resumed>) = 0 [pid 7198] close(4 [pid 7195] mount(NULL, "./bus", NULL, 0, NULL [pid 7200] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7198] <... close resumed>) = 0 [pid 7195] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7200] <... openat resumed>) = 4 [pid 7198] mkdir(NULL, 000 [pid 7195] exit_group(0 [pid 7200] ioctl(4, LOOP_SET_FD, 3 [pid 7198] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7195] <... exit_group resumed>) = ? [pid 7198] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7195] +++ exited with 0 +++ [pid 7198] <... openat resumed>) = 4 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7195, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 7198] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7198] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [ 238.144771][ T7199] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.150635][ T7197] REISERFS (device loop4): checking transaction log (loop4) [ 238.165990][ T7199] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 238.171054][ T7197] REISERFS (device loop4): Using r5 hash to sort names [ 238.185086][ T7200] loop5: detected capacity change from 0 to 8192 [pid 7198] exit_group(0) = ? [pid 7198] +++ exited with 0 +++ [pid 5070] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7198, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7199] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7199] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 7199] chdir("./file0" [pid 5070] fstat(3, [pid 7200] <... ioctl resumed>) = 0 [pid 7199] <... chdir resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7200] close(3 [pid 7199] ioctl(4, LOOP_CLR_FD [pid 5070] getdents64(3, [pid 7200] <... close resumed>) = 0 [pid 7199] <... ioctl resumed>) = 0 [pid 5072] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7200] mkdir("./file0", 0777 [pid 7199] close(4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7200] <... mkdir resumed>) = 0 [pid 7199] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7200] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7199] mkdir(NULL, 000 [pid 5072] <... openat resumed>) = 3 [pid 5070] lstat("./174/binderfs", [pid 7199] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5072] fstat(3, [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7199] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] unlink("./174/binderfs" [pid 7199] <... openat resumed>) = 4 [pid 5072] getdents64(3, [pid 5070] <... unlink resumed>) = 0 [pid 7199] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7199] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7199] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7199] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] lstat("./175/binderfs", [pid 7199] exit_group(0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7199] <... exit_group resumed>) = ? [ 238.206653][ T7197] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.232264][ T7200] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5072] unlink("./175/binderfs" [pid 7199] +++ exited with 0 +++ [pid 7197] <... mount resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 7197] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7197] <... openat resumed>) = 3 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7199, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7197] chdir("./file0" [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 7197] <... chdir resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 7197] ioctl(4, LOOP_CLR_FD) = 0 [pid 7197] close(4 [pid 5069] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7197] <... close resumed>) = 0 [pid 7197] mkdir(NULL, 000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7197] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5069] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7197] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] <... openat resumed>) = 3 [pid 5069] fstat(3, [pid 7197] <... openat resumed>) = 4 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7197] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] getdents64(3, [pid 7197] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7197] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7197] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7197] exit_group(0 [pid 5071] lstat("./175/file0", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7197] <... exit_group resumed>) = ? [pid 7197] +++ exited with 0 +++ [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] lstat("./171/binderfs", [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7197, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5071] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 238.253032][ T7197] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 238.273737][ T7200] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 238.284570][ T7200] REISERFS (device loop5): using ordered data mode [ 238.291303][ T7200] reiserfs: using flush barriers [pid 5072] <... umount2 resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] unlink("./171/binderfs" [pid 5073] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 4 [pid 5069] <... unlink resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] fstat(4, [pid 5070] <... umount2 resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] lstat("./175/file0", [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... openat resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, [pid 5072] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] fstat(3, [pid 5070] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./171/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, [pid 5073] getdents64(3, [pid 5072] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] lstat("./174/file0", [pid 5071] close(4 [pid 5072] <... openat resumed>) = 4 [pid 5071] <... close resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] fstat(4, [pid 5071] rmdir("./175/file0" [pid 5070] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(4, [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] lstat("./177/binderfs", [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(3, [pid 5070] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] getdents64(4, [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] unlink("./177/binderfs" [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5070] <... openat resumed>) = 4 [pid 5073] <... unlink resumed>) = 0 [pid 5072] close(4 [pid 5071] <... close resumed>) = 0 [pid 5070] fstat(4, [pid 5069] getdents64(4, [pid 5073] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... close resumed>) = 0 [pid 5071] rmdir("./175" [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] rmdir("./175/file0" [pid 5071] <... rmdir resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] mkdir("./176", 0777 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 5072] getdents64(3, [pid 5069] close(4 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] close(3 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] close(4 [pid 5069] rmdir("./171/file0" [ 238.326693][ T7200] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.364046][ T7200] REISERFS (device loop5): checking transaction log (loop5) [pid 5072] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./171") = 0 [pid 5069] mkdir("./172", 0777 [pid 5072] rmdir("./175" [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] rmdir("./174/file0" [pid 5069] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5072] mkdir("./176", 0777 [pid 5071] close(3 [pid 5070] getdents64(3, [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5072] <... mkdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 5072] <... openat resumed>) = 3 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] close(3 [pid 5069] <... close resumed>) = 0 ./strace-static-x86_64: Process 7207 attached [pid 7200] <... mount resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7207] chdir("./176" [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7207 [pid 5070] rmdir("./174" [pid 7207] <... chdir resumed>) = 0 [pid 5072] close(3 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7208 [pid 7207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 7207] <... prctl resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] mkdir("./175", 0777 [pid 7207] setpgid(0, 0 [pid 7200] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 7209 attached ./strace-static-x86_64: Process 7208 attached [pid 7207] <... setpgid resumed>) = 0 [pid 7200] <... openat resumed>) = 3 [pid 5070] <... mkdir resumed>) = 0 [pid 7209] chdir("./176" [pid 7208] chdir("./172" [pid 7207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7200] chdir("./file0" [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7209 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7209] <... chdir resumed>) = 0 [pid 7208] <... chdir resumed>) = 0 [pid 7209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7209] <... prctl resumed>) = 0 [pid 7208] <... prctl resumed>) = 0 [pid 7209] setpgid(0, 0 [pid 7208] setpgid(0, 0 [pid 7207] <... openat resumed>) = 3 [pid 7200] <... chdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 7209] <... setpgid resumed>) = 0 [pid 7208] <... setpgid resumed>) = 0 [pid 7207] write(3, "1000", 4 [pid 7200] ioctl(4, LOOP_CLR_FD [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7207] <... write resumed>) = 4 [pid 7200] <... ioctl resumed>) = 0 [pid 7209] <... openat resumed>) = 3 [pid 7208] <... openat resumed>) = 3 [pid 7207] close(3 [pid 7200] close(4 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7209] write(3, "1000", 4 [pid 7208] write(3, "1000", 4 [pid 7207] <... close resumed>) = 0 [pid 7200] <... close resumed>) = 0 [pid 5070] close(3 [pid 7209] <... write resumed>) = 4 [pid 7208] <... write resumed>) = 4 [pid 7207] symlink("/dev/binderfs", "./binderfs" [pid 7200] mkdir(NULL, 000 [pid 5070] <... close resumed>) = 0 [pid 7209] close(3 [ 238.400176][ T7200] REISERFS (device loop5): Using r5 hash to sort names [ 238.417819][ T7200] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.431263][ T7200] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7208] close(3 [pid 7207] <... symlink resumed>) = 0 [pid 7200] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7209] <... close resumed>) = 0 [pid 7208] <... close resumed>) = 0 [pid 7207] memfd_create("syzkaller", 0 [pid 7200] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 7210 attached [pid 7209] symlink("/dev/binderfs", "./binderfs" [pid 7208] symlink("/dev/binderfs", "./binderfs" [pid 7207] <... memfd_create resumed>) = 3 [pid 7200] <... openat resumed>) = 4 [pid 7209] <... symlink resumed>) = 0 [pid 7208] <... symlink resumed>) = 0 [pid 7207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7200] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7210] chdir("./175" [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7210 [pid 7210] <... chdir resumed>) = 0 [pid 7209] memfd_create("syzkaller", 0 [pid 7208] memfd_create("syzkaller", 0 [pid 7207] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7200] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7209] <... memfd_create resumed>) = 3 [pid 7208] <... memfd_create resumed>) = 3 [pid 7209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7209] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7208] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... umount2 resumed>) = 0 [pid 7210] <... prctl resumed>) = 0 [pid 7200] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7210] setpgid(0, 0 [pid 7200] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] <... setpgid resumed>) = 0 [pid 7200] exit_group(0 [pid 5073] lstat("./177/file0", [pid 7210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7200] <... exit_group resumed>) = ? [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7210] <... openat resumed>) = 3 [pid 5073] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7210] write(3, "1000", 4 [pid 7200] +++ exited with 0 +++ [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] <... write resumed>) = 4 [pid 5073] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7210] close(3 [pid 7207] 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"..., 4194304 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7200, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5073] <... openat resumed>) = 4 [pid 7210] <... close resumed>) = 0 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./177/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./177" [pid 7210] symlink("/dev/binderfs", "./binderfs" [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5073] <... rmdir resumed>) = 0 [pid 7210] <... symlink resumed>) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 5073] mkdir("./178", 0777 [pid 7210] memfd_create("syzkaller", 0 [pid 5073] <... mkdir resumed>) = 0 [pid 7210] <... memfd_create resumed>) = 3 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... openat resumed>) = 3 [pid 7210] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7211 ./strace-static-x86_64: Process 7211 attached [pid 7211] chdir("./178") = 0 [pid 7211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7211] setpgid(0, 0) = 0 [pid 7211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... openat resumed>) = 3 [pid 7211] <... openat resumed>) = 3 [pid 5074] fstat(3, [pid 7211] write(3, "1000", 4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7211] <... write resumed>) = 4 [pid 5074] getdents64(3, [pid 7211] close(3 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7211] <... close resumed>) = 0 [pid 5074] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7211] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7211] <... symlink resumed>) = 0 [pid 5074] lstat("./179/binderfs", [pid 7211] memfd_create("syzkaller", 0 [pid 7208] 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"..., 4194304 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7211] <... memfd_create resumed>) = 3 [pid 5074] unlink("./179/binderfs" [pid 7211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... unlink resumed>) = 0 [pid 7211] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7209] 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"..., 4194304 [pid 7211] 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"..., 4194304 [pid 7207] <... write resumed>) = 4194304 [pid 7210] 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"..., 4194304 [pid 7207] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7207] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7207] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7207] close(3) = 0 [pid 7208] <... write resumed>) = 4194304 [pid 7207] mkdir("./file0", 0777 [pid 5074] <... umount2 resumed>) = 0 [pid 7208] munmap(0x7f8a1b2e3000, 4194304 [pid 7207] <... mkdir resumed>) = 0 [pid 7208] <... munmap resumed>) = 0 [pid 7207] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7208] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7208] <... openat resumed>) = 4 [ 238.710685][ T7207] loop2: detected capacity change from 0 to 8192 [pid 5074] lstat("./179/file0", [pid 7209] <... write resumed>) = 4194304 [pid 7208] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7211] <... write resumed>) = 4194304 [pid 7210] <... write resumed>) = 4194304 [pid 7208] <... ioctl resumed>) = 0 [pid 7209] munmap(0x7f8a1b2e3000, 4194304 [pid 7208] close(3) = 0 [pid 7208] mkdir("./file0", 0777 [pid 7209] <... munmap resumed>) = 0 [pid 5074] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7211] munmap(0x7f8a1b2e3000, 4194304 [pid 7210] munmap(0x7f8a1b2e3000, 4194304 [pid 7209] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7208] <... mkdir resumed>) = 0 [pid 7209] ioctl(4, LOOP_SET_FD, 3 [ 238.752078][ T7207] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.768633][ T7208] loop0: detected capacity change from 0 to 8192 [ 238.770968][ T7207] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 238.784784][ T7207] REISERFS (device loop2): using ordered data mode [ 238.790937][ T7209] loop3: detected capacity change from 0 to 8192 [pid 7211] <... munmap resumed>) = 0 [pid 7210] <... munmap resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7211] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7210] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7209] <... ioctl resumed>) = 0 [pid 7208] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7211] <... openat resumed>) = 4 [pid 7210] <... openat resumed>) = 4 [pid 5074] <... openat resumed>) = 4 [pid 7211] ioctl(4, LOOP_SET_FD, 3 [pid 7210] ioctl(4, LOOP_SET_FD, 3 [pid 7209] close(3 [pid 5074] fstat(4, [pid 7211] <... ioctl resumed>) = 0 [pid 7209] <... close resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7211] close(3 [pid 7209] mkdir("./file0", 0777 [pid 5074] getdents64(4, [pid 7211] <... close resumed>) = 0 [pid 7209] <... mkdir resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7211] mkdir("./file0", 0777 [pid 7209] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] getdents64(4, [pid 7211] <... mkdir resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7211] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] close(4) = 0 [pid 5074] rmdir("./179/file0") = 0 [ 238.793024][ T7207] reiserfs: using flush barriers [ 238.804420][ T7207] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.807258][ T7211] loop4: detected capacity change from 0 to 8192 [ 238.822030][ T7207] REISERFS (device loop2): checking transaction log (loop2) [ 238.827903][ T7210] loop1: detected capacity change from 0 to 8192 [ 238.835829][ T7207] REISERFS (device loop2): Using r5 hash to sort names [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./179") = 0 [pid 5074] mkdir("./180", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 238.848560][ T7208] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.849386][ T7207] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 238.875707][ T7211] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.880391][ T7207] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] close(3 [pid 7207] <... mount resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 7207] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7207] <... openat resumed>) = 3 [pid 7207] chdir("./file0" [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7216 [pid 7207] <... chdir resumed>) = 0 [pid 7207] ioctl(4, LOOP_CLR_FD) = 0 [pid 7207] close(4) = 0 [pid 7207] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7207] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 7216 attached ) = 4 [pid 7210] <... ioctl resumed>) = 0 [pid 7207] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7207] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7207] exit_group(0 [pid 7216] chdir("./180" [pid 7210] close(3 [pid 7207] <... exit_group resumed>) = ? [pid 7207] +++ exited with 0 +++ [ 238.889107][ T7209] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.917733][ T7208] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 238.920347][ T7211] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 238.928414][ T7208] REISERFS (device loop0): using ordered data mode [ 238.936593][ T7211] REISERFS (device loop4): using ordered data mode [pid 7216] <... chdir resumed>) = 0 [pid 7210] <... close resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7207, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 7216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7210] mkdir("./file0", 0777 [pid 7216] <... prctl resumed>) = 0 [pid 7210] <... mkdir resumed>) = 0 [pid 7216] setpgid(0, 0 [pid 7210] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7216] <... setpgid resumed>) = 0 [pid 7216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7216] write(3, "1000", 4) = 4 [pid 7216] close(3) = 0 [ 238.943327][ T7209] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 238.950274][ T7211] reiserfs: using flush barriers [ 238.960030][ T7208] reiserfs: using flush barriers [ 238.965275][ T7209] REISERFS (device loop3): using ordered data mode [ 238.970629][ T7211] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.975680][ T7209] reiserfs: using flush barriers [pid 7216] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7216] memfd_create("syzkaller", 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7216] <... memfd_create resumed>) = 3 [pid 5071] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5071] <... openat resumed>) = 3 [ 238.993079][ T7211] REISERFS (device loop4): checking transaction log (loop4) [ 239.006486][ T7210] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.017040][ T7208] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.037397][ T7211] REISERFS (device loop4): Using r5 hash to sort names [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./176/binderfs") = 0 [pid 5071] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7211] <... mount resumed>) = 0 [pid 7211] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 239.038260][ T7209] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.044966][ T7210] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 239.070571][ T7211] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.084252][ T7211] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 239.094761][ T7208] REISERFS (device loop0): checking transaction log (loop0) [pid 7211] chdir("./file0") = 0 [pid 7211] ioctl(4, LOOP_CLR_FD) = 0 [pid 7211] close(4) = 0 [pid 7208] <... mount resumed>) = 0 [pid 7211] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7211] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7208] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7211] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7211] mount(NULL, "./bus", NULL, 0, NULL [pid 7208] <... openat resumed>) = 3 [pid 7211] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 239.103865][ T7208] REISERFS (device loop0): Using r5 hash to sort names [ 239.111559][ T7208] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.124629][ T7208] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 239.134585][ T7209] REISERFS (device loop3): checking transaction log (loop3) [ 239.142690][ T7210] REISERFS (device loop1): using ordered data mode [pid 7211] exit_group(0) = ? [pid 7208] chdir("./file0" [pid 7216] 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"..., 4194304 [pid 7211] +++ exited with 0 +++ [pid 7208] <... chdir resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7211, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5073] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 239.149820][ T7210] reiserfs: using flush barriers [ 239.153425][ T7209] REISERFS (device loop3): Using r5 hash to sort names [ 239.161808][ T7210] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.178887][ T7210] REISERFS (device loop1): checking transaction log (loop1) [ 239.182622][ T7209] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] fstat(3, [pid 7208] ioctl(4, LOOP_CLR_FD [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./178/binderfs") = 0 [pid 5073] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7208] <... ioctl resumed>) = 0 [pid 7208] close(4) = 0 [pid 7208] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7208] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7208] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7208] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7208] exit_group(0) = ? [pid 7208] +++ exited with 0 +++ [ 239.187767][ T7210] REISERFS (device loop1): Using r5 hash to sort names [ 239.206432][ T7210] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.220541][ T7210] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7208, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5069] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7210] <... mount resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7210] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... openat resumed>) = 3 [pid 7210] <... openat resumed>) = 3 [pid 7209] <... mount resumed>) = 0 [pid 5069] fstat(3, [pid 7210] chdir("./file0" [pid 7209] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7210] <... chdir resumed>) = 0 [pid 7209] <... openat resumed>) = 3 [pid 5069] getdents64(3, [pid 7210] ioctl(4, LOOP_CLR_FD [pid 7209] chdir("./file0" [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7210] <... ioctl resumed>) = 0 [pid 7209] <... chdir resumed>) = 0 [pid 5069] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7210] close(4 [pid 7209] ioctl(4, LOOP_CLR_FD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] <... close resumed>) = 0 [pid 7209] <... ioctl resumed>) = 0 [pid 5069] lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./172/binderfs" [pid 7210] mkdir(NULL, 000 [pid 7209] close(4 [pid 5069] <... unlink resumed>) = 0 [pid 7210] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7209] <... close resumed>) = 0 [pid 5069] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7210] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7209] mkdir(NULL, 000 [pid 7210] <... openat resumed>) = 4 [pid 7210] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7209] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7210] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7209] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7210] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7209] <... openat resumed>) = 4 [pid 7210] exit_group(0 [pid 7209] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7210] <... exit_group resumed>) = ? [pid 7209] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7210] +++ exited with 0 +++ [pid 7209] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7210, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 7209] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7209] exit_group(0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7209] <... exit_group resumed>) = ? [pid 5070] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7209] +++ exited with 0 +++ [pid 5070] fstat(3, [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7209, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 239.287339][ T7209] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] lstat("./175/binderfs", [pid 7216] <... write resumed>) = 4194304 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] unlink("./175/binderfs" [pid 5072] <... openat resumed>) = 3 [pid 5070] <... unlink resumed>) = 0 [pid 5072] fstat(3, [pid 5070] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] lstat("./176/file0", [pid 5072] unlink("./176/binderfs") = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7216] munmap(0x7f8a1b2e3000, 4194304 [pid 5071] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7216] <... munmap resumed>) = 0 [pid 7216] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] <... umount2 resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7216] <... openat resumed>) = 4 [pid 5071] <... openat resumed>) = 4 [pid 7216] ioctl(4, LOOP_SET_FD, 3 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(4, [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] lstat("./178/file0", [pid 5071] getdents64(4, [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] close(4 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] rmdir("./176/file0" [pid 5073] <... openat resumed>) = 4 [pid 5071] <... rmdir resumed>) = 0 [pid 5073] fstat(4, [pid 5071] getdents64(3, [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] getdents64(4, [pid 5071] close(3 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] <... close resumed>) = 0 [pid 5073] getdents64(4, [pid 5071] rmdir("./176" [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5073] close(4 [pid 5071] mkdir("./177", 0777 [pid 5073] <... close resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5073] rmdir("./178/file0" [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5073] <... rmdir resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5073] getdents64(3, [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] close(3 [pid 5071] close(3 [pid 5073] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5073] rmdir("./178" [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... rmdir resumed>) = 0 [pid 5073] mkdir("./179", 0777 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7218 [pid 5073] <... mkdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7219 ./strace-static-x86_64: Process 7218 attached [pid 7218] chdir("./177") = 0 [pid 7218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7218] setpgid(0, 0) = 0 [pid 7218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7216] <... ioctl resumed>) = 0 [pid 7218] write(3, "1000", 4) = 4 [pid 7218] close(3) = 0 [pid 7218] symlink("/dev/binderfs", "./binderfs" [pid 7216] close(3 [pid 7218] <... symlink resumed>) = 0 [pid 7218] memfd_create("syzkaller", 0./strace-static-x86_64: Process 7219 attached ) = 3 [pid 7216] <... close resumed>) = 0 [pid 7219] chdir("./179" [pid 7218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7216] mkdir("./file0", 0777 [pid 7218] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7219] <... chdir resumed>) = 0 [pid 7216] <... mkdir resumed>) = 0 [pid 7219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7216] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7219] <... prctl resumed>) = 0 [ 239.399246][ T7216] loop5: detected capacity change from 0 to 8192 [pid 7219] setpgid(0, 0) = 0 [pid 7219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7219] write(3, "1000", 4) = 4 [pid 7219] close(3) = 0 [pid 7219] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... umount2 resumed>) = 0 [pid 7219] <... symlink resumed>) = 0 [pid 7219] memfd_create("syzkaller", 0) = 3 [pid 5069] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 7219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7219] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5070] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./175/file0", [pid 5069] lstat("./172/file0", [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... openat resumed>) = 4 [pid 5070] fstat(4, [pid 5069] <... openat resumed>) = 4 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] fstat(4, [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [ 239.467562][ T7216] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.506583][ T7216] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./172/file0") = 0 [pid 5069] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7219] 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"..., 4194304 [ 239.516137][ T7216] REISERFS (device loop5): using ordered data mode [ 239.523900][ T7216] reiserfs: using flush barriers [ 239.536605][ T7216] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7218] 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"..., 4194304 [pid 5072] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(4 [pid 5069] close(3) = 0 [pid 5069] rmdir("./172" [pid 5070] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] mkdir("./173", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] rmdir("./175/file0" [pid 5069] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5072] lstat("./176/file0", [pid 5070] getdents64(3, [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7221 [pid 5072] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 239.561907][ T7216] REISERFS (device loop5): checking transaction log (loop5) [pid 5070] <... close resumed>) = 0 ./strace-static-x86_64: Process 7221 attached [pid 5072] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] rmdir("./175" [pid 7221] chdir("./173" [pid 5072] <... openat resumed>) = 4 [pid 7221] <... chdir resumed>) = 0 [pid 5072] fstat(4, [pid 5070] <... rmdir resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] getdents64(4, [pid 7221] setpgid(0, 0 [pid 5070] mkdir("./176", 0777 [pid 7221] <... setpgid resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, [pid 5070] <... mkdir resumed>) = 0 [pid 7221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7221] <... openat resumed>) = 3 [pid 5072] close(4 [pid 7221] write(3, "1000", 4 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] <... close resumed>) = 0 [pid 7221] <... write resumed>) = 4 [pid 5072] rmdir("./176/file0" [pid 5070] <... openat resumed>) = 3 [pid 7221] close(3) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7221] symlink("/dev/binderfs", "./binderfs" [pid 5072] getdents64(3, [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7221] <... symlink resumed>) = 0 [pid 5072] close(3 [pid 5070] close(3 [pid 7221] memfd_create("syzkaller", 0 [pid 5072] <... close resumed>) = 0 [pid 7221] <... memfd_create resumed>) = 3 [pid 7218] <... write resumed>) = 4194304 [pid 5070] <... close resumed>) = 0 [pid 7221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7218] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] rmdir("./176" [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7221] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7218] <... munmap resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5072] mkdir("./177", 0777 [pid 7218] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7222 ./strace-static-x86_64: Process 7222 attached [ 239.594610][ T7216] REISERFS (device loop5): Using r5 hash to sort names [ 239.615675][ T7216] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.629619][ T7216] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7222] chdir("./176" [pid 5072] <... mkdir resumed>) = 0 [pid 7222] <... chdir resumed>) = 0 [pid 7218] <... openat resumed>) = 4 [pid 7218] ioctl(4, LOOP_SET_FD, 3 [pid 7222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7222] setpgid(0, 0) = 0 [pid 7222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7222] write(3, "1000", 4) = 4 [pid 7222] close(3) = 0 [pid 7222] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7222] memfd_create("syzkaller", 0 [pid 7219] <... write resumed>) = 4194304 [pid 7222] <... memfd_create resumed>) = 3 [pid 7219] munmap(0x7f8a1b2e3000, 4194304 [pid 7218] <... ioctl resumed>) = 0 [pid 7222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3 [pid 7218] close(3 [pid 5072] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7218] <... close resumed>) = 0 [pid 7219] <... munmap resumed>) = 0 [pid 7218] mkdir("./file0", 0777 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7223 [pid 7218] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7223 attached [pid 7219] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7218] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7223] chdir("./177" [pid 7219] <... openat resumed>) = 4 [ 239.648867][ T7218] loop2: detected capacity change from 0 to 8192 [ 239.683494][ T7219] loop4: detected capacity change from 0 to 8192 [pid 7219] ioctl(4, LOOP_SET_FD, 3 [pid 7223] <... chdir resumed>) = 0 [pid 7221] 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"..., 4194304 [pid 7216] <... mount resumed>) = 0 [pid 7223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7219] <... ioctl resumed>) = 0 [pid 7219] close(3) = 0 [pid 7219] mkdir("./file0", 0777) = 0 [pid 7219] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7223] <... prctl resumed>) = 0 [pid 7216] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7223] setpgid(0, 0 [pid 7216] <... openat resumed>) = 3 [pid 7223] <... setpgid resumed>) = 0 [pid 7216] chdir("./file0" [pid 7223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7216] <... chdir resumed>) = 0 [pid 7216] ioctl(4, LOOP_CLR_FD [pid 7223] <... openat resumed>) = 3 [pid 7216] <... ioctl resumed>) = 0 [pid 7223] write(3, "1000", 4 [pid 7216] close(4) = 0 [pid 7223] <... write resumed>) = 4 [pid 7216] mkdir(NULL, 000 [pid 7223] close(3 [pid 7216] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7223] <... close resumed>) = 0 [pid 7216] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7223] symlink("/dev/binderfs", "./binderfs" [pid 7216] <... openat resumed>) = 4 [pid 7223] <... symlink resumed>) = 0 [pid 7222] 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"..., 4194304 [ 239.690816][ T7218] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.710254][ T7218] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 239.725045][ T7219] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.741113][ T7218] REISERFS (device loop2): using ordered data mode [pid 7216] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7223] memfd_create("syzkaller", 0 [pid 7216] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7223] <... memfd_create resumed>) = 3 [pid 7216] mount(NULL, "./bus", NULL, 0, NULL [pid 7223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7216] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7223] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7216] exit_group(0) = ? [pid 7216] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7216, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5074] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, [pid 7221] <... write resumed>) = 4194304 [pid 7221] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7221] <... munmap resumed>) = 0 [ 239.748390][ T7218] reiserfs: using flush barriers [ 239.756162][ T7218] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.787289][ T7219] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5074] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7221] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7221] <... openat resumed>) = 4 [pid 5074] lstat("./180/binderfs", [pid 7221] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7221] <... ioctl resumed>) = 0 [pid 5074] unlink("./180/binderfs" [pid 7221] close(3 [pid 5074] <... unlink resumed>) = 0 [ 239.797900][ T7219] REISERFS (device loop4): using ordered data mode [ 239.804992][ T7219] reiserfs: using flush barriers [ 239.812658][ T7219] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.829408][ T7221] loop0: detected capacity change from 0 to 8192 [ 239.836779][ T7218] REISERFS (device loop2): checking transaction log (loop2) [pid 7221] <... close resumed>) = 0 [pid 5074] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7223] 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"..., 4194304 [pid 7221] mkdir("./file0", 0777) = 0 [pid 7221] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7218] <... mount resumed>) = 0 [pid 7222] <... write resumed>) = 4194304 [pid 7218] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7222] munmap(0x7f8a1b2e3000, 4194304) = 0 [ 239.845567][ T7219] REISERFS (device loop4): checking transaction log (loop4) [ 239.853852][ T7218] REISERFS (device loop2): Using r5 hash to sort names [ 239.863775][ T7218] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.877172][ T7218] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 239.889792][ T7219] REISERFS (device loop4): Using r5 hash to sort names [pid 7222] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7222] ioctl(4, LOOP_SET_FD, 3 [pid 7218] <... openat resumed>) = 3 [pid 7218] chdir("./file0") = 0 [ 239.897861][ T7221] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.909945][ T7222] loop1: detected capacity change from 0 to 8192 [ 239.911770][ T7219] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 239.930186][ T7221] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 239.940127][ T7221] REISERFS (device loop0): using ordered data mode [pid 7222] <... ioctl resumed>) = 0 [pid 7222] close(3) = 0 [pid 7222] mkdir("./file0", 0777 [pid 7218] ioctl(4, LOOP_CLR_FD [pid 7222] <... mkdir resumed>) = 0 [pid 7222] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7218] <... ioctl resumed>) = 0 [pid 7218] close(4) = 0 [pid 7219] <... mount resumed>) = 0 [pid 7218] mkdir(NULL, 000 [pid 7219] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7219] chdir("./file0") = 0 [pid 7219] ioctl(4, LOOP_CLR_FD) = 0 [pid 7219] close(4) = 0 [pid 7219] mkdir(NULL, 000 [pid 7218] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7218] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7219] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7218] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7218] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7219] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7218] exit_group(0 [pid 7219] <... openat resumed>) = 4 [pid 7218] <... exit_group resumed>) = ? [pid 7218] +++ exited with 0 +++ [ 239.947333][ T7219] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 239.957093][ T7221] reiserfs: using flush barriers [pid 7219] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7219] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7218, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=9 /* 0.09 s */} --- [pid 7219] exit_group(0) = ? [pid 7219] +++ exited with 0 +++ [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./180/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, [pid 5071] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7219, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./180/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5071] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... restart_syscall resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [ 239.987488][ T7221] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.005002][ T7222] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.031606][ T7221] REISERFS (device loop0): checking transaction log (loop0) [ 240.039526][ T7222] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5071] fstat(3, [pid 5074] rmdir("./180") = 0 [pid 5074] mkdir("./181", 0777) = 0 [pid 7223] <... write resumed>) = 4194304 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7223] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] <... openat resumed>) = 3 [pid 5073] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, [pid 7223] <... munmap resumed>) = 0 [pid 7223] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7223] ioctl(4, LOOP_SET_FD, 3 [pid 7221] <... mount resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 5073] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 240.050781][ T7221] REISERFS (device loop0): Using r5 hash to sort names [ 240.057971][ T7222] REISERFS (device loop1): using ordered data mode [ 240.061480][ T7221] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.065984][ T7222] reiserfs: using flush barriers [ 240.077772][ T7221] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 240.090675][ T7223] loop3: detected capacity change from 0 to 8192 [pid 5074] <... close resumed>) = 0 [pid 5073] fstat(3, [pid 5071] lstat("./177/binderfs", [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] getdents64(3, [pid 5071] unlink("./177/binderfs" [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7228 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... unlink resumed>) = 0 [pid 5073] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./179/binderfs") = 0 [pid 5073] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7223] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 7228 attached [pid 7223] close(3 [pid 7221] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7228] chdir("./181" [pid 7223] <... close resumed>) = 0 [pid 7221] <... openat resumed>) = 3 [pid 7228] <... chdir resumed>) = 0 [pid 7223] mkdir("./file0", 0777 [pid 7221] chdir("./file0" [pid 7228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7228] setpgid(0, 0) = 0 [pid 7223] <... mkdir resumed>) = 0 [pid 7221] <... chdir resumed>) = 0 [ 240.098161][ T7222] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.115609][ T7222] REISERFS (device loop1): checking transaction log (loop1) [ 240.124920][ T7222] REISERFS (device loop1): Using r5 hash to sort names [ 240.135035][ T7222] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7223] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7221] ioctl(4, LOOP_CLR_FD [pid 7222] <... mount resumed>) = 0 [pid 7222] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7228] <... openat resumed>) = 3 [pid 7221] <... ioctl resumed>) = 0 [pid 7228] write(3, "1000", 4 [pid 7221] close(4) = 0 [pid 7228] <... write resumed>) = 4 [pid 7228] close(3 [pid 7221] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7228] <... close resumed>) = 0 [pid 7221] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7228] symlink("/dev/binderfs", "./binderfs" [pid 7221] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7222] <... openat resumed>) = 3 [pid 7228] <... symlink resumed>) = 0 [pid 7228] memfd_create("syzkaller", 0 [pid 7221] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7228] <... memfd_create resumed>) = 3 [pid 7228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7221] mount(NULL, "./bus", NULL, 0, NULL [pid 7222] chdir("./file0" [pid 7228] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7221] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7222] <... chdir resumed>) = 0 [pid 7222] ioctl(4, LOOP_CLR_FD) = 0 [pid 7222] close(4 [pid 7221] exit_group(0) = ? [pid 7222] <... close resumed>) = 0 [pid 7222] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7222] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7221] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7221, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} --- [pid 7222] <... openat resumed>) = 4 [pid 5069] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7222] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5069] <... openat resumed>) = 3 [pid 7222] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5069] fstat(3, [pid 7222] mount(NULL, "./bus", NULL, 0, NULL [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, [pid 7222] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./173/binderfs", [pid 7222] exit_group(0 [ 240.149314][ T7222] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 240.192658][ T7223] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7222] <... exit_group resumed>) = ? [pid 5069] unlink("./173/binderfs" [pid 7222] +++ exited with 0 +++ [pid 5069] <... unlink resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7222, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5070] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./176/binderfs" [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./179/file0", [pid 5070] <... unlink resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./179/file0" [pid 5070] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... rmdir resumed>) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./179") = 0 [pid 5073] mkdir("./180", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3 [pid 5071] <... umount2 resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7230 [pid 5071] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./177/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7230 attached ) = -1 EINVAL (Invalid argument) [pid 7230] chdir("./180" [pid 5071] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7230] <... chdir resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./177/file0") = 0 [pid 7230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] getdents64(3, [pid 7230] <... prctl resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7230] setpgid(0, 0 [pid 5071] close(3 [pid 7230] <... setpgid resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 7230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] rmdir("./177" [pid 7230] <... openat resumed>) = 3 [pid 5071] <... rmdir resumed>) = 0 [pid 7230] write(3, "1000", 4 [pid 5071] mkdir("./178", 0777 [pid 7230] <... write resumed>) = 4 [pid 5071] <... mkdir resumed>) = 0 [pid 7230] close(3 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7230] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [ 240.266346][ T7223] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 240.276110][ T7223] REISERFS (device loop3): using ordered data mode [ 240.283082][ T7223] reiserfs: using flush barriers [ 240.290328][ T7223] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7230] symlink("/dev/binderfs", "./binderfs" [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7230] <... symlink resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7230] memfd_create("syzkaller", 0 [pid 5071] close(3 [pid 7230] <... memfd_create resumed>) = 3 [pid 7228] 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"..., 4194304 [pid 5071] <... close resumed>) = 0 [pid 7230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7230] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7231 ./strace-static-x86_64: Process 7231 attached [ 240.328007][ T7223] REISERFS (device loop3): checking transaction log (loop3) [ 240.346146][ T7223] REISERFS (device loop3): Using r5 hash to sort names [pid 7231] chdir("./178") = 0 [pid 7231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7231] setpgid(0, 0) = 0 [pid 7231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7231] write(3, "1000", 4) = 4 [ 240.366522][ T7223] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7231] close(3) = 0 [pid 7231] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7231] memfd_create("syzkaller", 0) = 3 [pid 7231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5070] <... umount2 resumed>) = 0 [pid 7228] <... write resumed>) = 4194304 [pid 5070] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7230] 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"..., 4194304 [pid 7228] munmap(0x7f8a1b2e3000, 4194304 [pid 7223] <... mount resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7228] <... munmap resumed>) = 0 [pid 7223] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] lstat("./176/file0", [pid 7228] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7223] <... openat resumed>) = 3 [pid 7228] <... openat resumed>) = 4 [pid 7223] chdir("./file0" [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7228] ioctl(4, LOOP_SET_FD, 3 [pid 7223] <... chdir resumed>) = 0 [ 240.405901][ T7223] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5070] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7228] <... ioctl resumed>) = 0 [pid 7223] ioctl(4, LOOP_CLR_FD [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7228] close(3 [pid 7223] <... ioctl resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7228] <... close resumed>) = 0 [pid 7223] close(4 [pid 7228] mkdir("./file0", 0777 [pid 7223] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5070] fstat(4, [pid 5069] <... umount2 resumed>) = 0 [pid 7228] <... mkdir resumed>) = 0 [pid 7223] mkdir(NULL, 000 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7228] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7223] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] getdents64(4, [pid 5069] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7223] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7223] <... openat resumed>) = 4 [pid 5070] getdents64(4, [pid 7223] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] lstat("./173/file0", [pid 7223] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] close(4 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7223] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] <... close resumed>) = 0 [pid 5069] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7223] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] rmdir("./176/file0" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7223] exit_group(0 [pid 5069] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7223] <... exit_group resumed>) = ? [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5069] fstat(4, [pid 7223] +++ exited with 0 +++ [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7231] 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"..., 4194304 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7223, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- [pid 5070] getdents64(3, [pid 5069] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] close(3 [pid 5069] getdents64(4, [pid 5072] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [ 240.456766][ T7228] loop5: detected capacity change from 0 to 8192 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(4 [pid 5072] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5069] rmdir("./173/file0" [pid 5072] fstat(3, [pid 5069] <... rmdir resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, [pid 5072] getdents64(3, [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] close(3 [pid 5072] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] rmdir("./173" [pid 5072] lstat("./177/binderfs", [pid 5069] <... rmdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] rmdir("./176" [pid 5069] mkdir("./174", 0777 [pid 5072] unlink("./177/binderfs" [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5070] mkdir("./177", 0777 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7230] <... write resumed>) = 4194304 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7230] munmap(0x7f8a1b2e3000, 4194304 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7233 [pid 7230] <... munmap resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 7233 attached [pid 7233] chdir("./174") = 0 [pid 7233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 240.506066][ T7228] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.529629][ T7228] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 240.539888][ T7228] REISERFS (device loop5): using ordered data mode [ 240.547622][ T7228] reiserfs: using flush barriers [pid 7233] setpgid(0, 0) = 0 [pid 7230] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7230] <... openat resumed>) = 4 [pid 5070] close(3 [pid 7233] <... openat resumed>) = 3 [pid 7231] <... write resumed>) = 4194304 [pid 7230] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... close resumed>) = 0 [pid 7233] write(3, "1000", 4 [pid 7231] munmap(0x7f8a1b2e3000, 4194304 [pid 7233] <... write resumed>) = 4 [pid 7233] close(3) = 0 [pid 7233] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7233] memfd_create("syzkaller", 0) = 3 [ 240.554749][ T7228] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.590435][ T7230] loop4: detected capacity change from 0 to 8192 [ 240.597942][ T7228] REISERFS (device loop5): checking transaction log (loop5) [pid 7233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7231] <... munmap resumed>) = 0 [pid 7230] <... ioctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7233] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7231] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7230] close(3) = 0 [pid 7230] mkdir("./file0", 0777) = 0 [pid 7230] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7231] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7234 attached [pid 7231] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7234 [pid 7234] chdir("./177") = 0 [pid 7234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7234] setpgid(0, 0) = 0 [pid 7234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7234] write(3, "1000", 4) = 4 [pid 7234] close(3) = 0 [pid 7234] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7234] memfd_create("syzkaller", 0) = 3 [pid 7234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7234] 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"..., 4194304 [pid 7231] <... ioctl resumed>) = 0 [pid 7231] close(3) = 0 [pid 7231] mkdir("./file0", 0777) = 0 [pid 7231] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./177/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 240.609454][ T7231] loop2: detected capacity change from 0 to 8192 [ 240.616694][ T7230] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.644263][ T7228] REISERFS (device loop5): Using r5 hash to sort names [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./177/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./177") = 0 [pid 5072] mkdir("./178", 0777 [pid 7234] <... write resumed>) = 4194304 [pid 5072] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7237 [pid 7234] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7234] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7234] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7234] close(3) = 0 [pid 7234] mkdir("./file0", 0777) = 0 [ 240.690050][ T7231] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.692748][ T7230] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 240.713648][ T7228] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.725725][ T7234] loop1: detected capacity change from 0 to 8192 [pid 7234] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7237 attached [pid 7228] <... mount resumed>) = 0 [pid 7228] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7228] chdir("./file0") = 0 [pid 7228] ioctl(4, LOOP_CLR_FD) = 0 [pid 7228] close(4) = 0 [pid 7228] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7228] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7228] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7228] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7228] exit_group(0) = ? [pid 7228] +++ exited with 0 +++ [pid 7233] 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"..., 4194304 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7228, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5074] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7237] chdir("./178" [pid 5074] unlink("./181/binderfs") = 0 [pid 5074] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7237] <... chdir resumed>) = 0 [pid 7237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7237] setpgid(0, 0) = 0 [pid 7237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 240.735155][ T7230] REISERFS (device loop4): using ordered data mode [ 240.741886][ T7231] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 240.741983][ T7231] REISERFS (device loop2): using ordered data mode [ 240.751771][ T7228] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 240.770117][ T7234] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7237] write(3, "1000", 4) = 4 [pid 7237] close(3) = 0 [pid 7237] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7237] memfd_create("syzkaller", 0) = 3 [pid 7237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 240.810334][ T7234] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 240.820073][ T7234] REISERFS (device loop1): using ordered data mode [ 240.826984][ T7234] reiserfs: using flush barriers [ 240.833112][ T7234] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.850803][ T7234] REISERFS (device loop1): checking transaction log (loop1) [ 240.858690][ T7230] reiserfs: using flush barriers [ 240.873842][ T7234] REISERFS (device loop1): Using r5 hash to sort names [ 240.875157][ T7230] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.897829][ T7230] REISERFS (device loop4): checking transaction log (loop4) [ 240.905366][ T7231] reiserfs: using flush barriers [ 240.911531][ T7230] REISERFS (device loop4): Using r5 hash to sort names [ 240.919881][ T7230] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.921712][ T7234] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 240.932938][ T7231] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7237] 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"..., 4194304 [pid 7233] <... write resumed>) = 4194304 [pid 7230] <... mount resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 7230] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7230] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7230] chdir("./file0" [pid 7233] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7230] <... chdir resumed>) = 0 [ 240.961679][ T7230] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 240.978781][ T7231] REISERFS (device loop2): checking transaction log (loop2) [ 240.987723][ T7231] REISERFS (device loop2): Using r5 hash to sort names [ 240.994955][ T7231] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7230] ioctl(4, LOOP_CLR_FD [pid 5074] lstat("./181/file0", [pid 7233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7230] <... ioctl resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7231] <... mount resumed>) = 0 [pid 7233] ioctl(4, LOOP_SET_FD, 3 [pid 7234] <... mount resumed>) = 0 [pid 7231] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7230] close(4 [pid 5074] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7234] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7231] <... openat resumed>) = 3 [pid 7230] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7234] <... openat resumed>) = 3 [pid 7231] chdir("./file0" [pid 7230] mkdir(NULL, 000 [pid 5074] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7237] <... write resumed>) = 4194304 [pid 7234] chdir("./file0" [pid 7233] <... ioctl resumed>) = 0 [pid 7231] <... chdir resumed>) = 0 [pid 7230] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... openat resumed>) = 4 [pid 7237] munmap(0x7f8a1b2e3000, 4194304 [pid 7234] <... chdir resumed>) = 0 [pid 7233] close(3 [pid 7231] ioctl(4, LOOP_CLR_FD [pid 7230] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] fstat(4, [pid 7237] <... munmap resumed>) = 0 [pid 7234] ioctl(4, LOOP_CLR_FD [pid 7233] <... close resumed>) = 0 [pid 7231] <... ioctl resumed>) = 0 [pid 7230] <... openat resumed>) = 4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7237] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7234] <... ioctl resumed>) = 0 [pid 7233] mkdir("./file0", 0777 [ 241.008401][ T7231] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 241.018748][ T7234] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 241.021353][ T7233] loop0: detected capacity change from 0 to 8192 [pid 7231] close(4 [pid 7230] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] getdents64(4, [pid 7237] <... openat resumed>) = 4 [pid 7234] close(4 [pid 7233] <... mkdir resumed>) = 0 [pid 7231] <... close resumed>) = 0 [pid 7230] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7237] ioctl(4, LOOP_SET_FD, 3 [pid 7234] <... close resumed>) = 0 [pid 7233] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7231] mkdir(NULL, 000 [pid 7230] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] getdents64(4, [pid 7231] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7234] mkdir(NULL, 000 [pid 7230] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7234] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] close(4 [pid 7237] <... ioctl resumed>) = 0 [pid 7234] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7231] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7230] exit_group(0 [pid 5074] <... close resumed>) = 0 [pid 7237] close(3 [pid 7234] <... openat resumed>) = 4 [pid 7230] <... exit_group resumed>) = ? [pid 5074] rmdir("./181/file0" [pid 7230] +++ exited with 0 +++ [pid 7237] <... close resumed>) = 0 [pid 7234] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7231] <... openat resumed>) = 4 [pid 5074] <... rmdir resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7230, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7237] mkdir("./file0", 0777 [pid 7234] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7231] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] getdents64(3, [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 7237] <... mkdir resumed>) = 0 [pid 7234] mount(NULL, "./bus", NULL, 0, NULL [pid 7231] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 7237] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7234] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7231] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] close(3 [pid 7234] exit_group(0 [pid 7231] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... close resumed>) = 0 [pid 5073] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./180/binderfs") = 0 [pid 5073] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7234] <... exit_group resumed>) = ? [pid 7231] exit_group(0 [ 241.086785][ T7237] loop3: detected capacity change from 0 to 8192 [ 241.105847][ T7233] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.119814][ T7237] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5074] rmdir("./181" [pid 7234] +++ exited with 0 +++ [pid 7231] <... exit_group resumed>) = ? [pid 5074] <... rmdir resumed>) = 0 [pid 7231] +++ exited with 0 +++ [pid 5074] mkdir("./182", 0777 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7234, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5074] <... mkdir resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7231, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5071] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] close(3 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 5071] fstat(3, [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] fstat(3, [pid 5071] getdents64(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7241 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] getdents64(3, ./strace-static-x86_64: Process 7241 attached [pid 7241] chdir("./182") = 0 [pid 7241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7241] setpgid(0, 0) = 0 [pid 7241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7241] write(3, "1000", 4) = 4 [pid 7241] close(3 [pid 5071] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7241] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./178/binderfs", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] lstat("./177/binderfs", [pid 5071] unlink("./178/binderfs" [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7241] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5070] unlink("./177/binderfs" [pid 7241] memfd_create("syzkaller", 0) = 3 [pid 7241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... unlink resumed>) = 0 [pid 5071] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] <... mmap resumed>) = 0x7f8a1b2e3000 [ 241.121048][ T7233] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 241.151793][ T7233] REISERFS (device loop0): using ordered data mode [ 241.159450][ T7233] reiserfs: using flush barriers [pid 5070] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 241.185457][ T7233] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.216391][ T7237] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 241.226188][ T7237] REISERFS (device loop3): using ordered data mode [ 241.232796][ T7237] reiserfs: using flush barriers [ 241.241175][ T7233] REISERFS (device loop0): checking transaction log (loop0) [ 241.248763][ T7237] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.267395][ T7233] REISERFS (device loop0): Using r5 hash to sort names [ 241.275151][ T7233] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7241] 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"..., 4194304 [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7233] <... mount resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7233] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] lstat("./177/file0", [pid 7233] <... openat resumed>) = 3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7233] chdir("./file0" [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7233] <... chdir resumed>) = 0 [pid 5073] lstat("./180/file0", [pid 5070] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7233] ioctl(4, LOOP_CLR_FD [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7233] <... ioctl resumed>) = 0 [pid 5073] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7233] close(4 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7233] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... openat resumed>) = 4 [pid 7233] mkdir(NULL, 000 [pid 5073] <... openat resumed>) = 4 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] fstat(4, [pid 7233] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] fstat(4, [pid 7233] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7233] <... openat resumed>) = 4 [pid 5073] getdents64(4, [pid 5070] getdents64(4, [pid 7233] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [ 241.288193][ T7237] REISERFS (device loop3): checking transaction log (loop3) [ 241.297420][ T7237] REISERFS (device loop3): Using r5 hash to sort names [ 241.304513][ T7237] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.326655][ T7233] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7233] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] getdents64(4, [pid 5071] lstat("./178/file0", [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7233] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(4, [pid 7241] <... write resumed>) = 4194304 [pid 7233] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] close(4 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7241] munmap(0x7f8a1b2e3000, 4194304 [pid 7233] exit_group(0 [pid 5073] <... close resumed>) = 0 [pid 5071] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(4 [pid 7233] <... exit_group resumed>) = ? [pid 5073] rmdir("./180/file0" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7241] <... munmap resumed>) = 0 [pid 7233] +++ exited with 0 +++ [pid 5073] <... rmdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... close resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7233, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- [pid 7241] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] getdents64(3, [pid 5071] <... openat resumed>) = 4 [pid 7241] <... openat resumed>) = 4 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] fstat(4, [pid 5070] rmdir("./177/file0" [pid 7241] ioctl(4, LOOP_SET_FD, 3 [pid 5073] close(3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5073] rmdir("./180" [pid 5071] getdents64(4, [pid 5073] <... rmdir resumed>) = 0 [pid 5073] mkdir("./181", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3 [pid 7241] <... ioctl resumed>) = 0 [pid 7237] <... mount resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(3, [pid 5069] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] close(3 [pid 7237] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7241] <... close resumed>) = 0 [pid 7237] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5069] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7241] mkdir("./file0", 0777 [pid 7237] chdir("./file0" [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7242 [pid 5071] close(4 [pid 5070] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7242 attached [pid 7241] <... mkdir resumed>) = 0 [pid 7237] <... chdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] rmdir("./177" [pid 5069] fstat(3, [pid 7241] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7237] ioctl(4, LOOP_CLR_FD [pid 5071] rmdir("./178/file0" [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7242] chdir("./181" [pid 7237] <... ioctl resumed>) = 0 [pid 7242] <... chdir resumed>) = 0 [pid 7242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7242] setpgid(0, 0) = 0 [pid 7242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 241.371636][ T7237] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 241.391322][ T7241] loop5: detected capacity change from 0 to 8192 [pid 7242] write(3, "1000", 4) = 4 [pid 7242] close(3) = 0 [pid 7242] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7242] memfd_create("syzkaller", 0) = 3 [pid 7242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7237] close(4 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] mkdir("./178", 0777 [pid 5069] getdents64(3, [pid 7237] <... close resumed>) = 0 [pid 5071] getdents64(3, [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7237] mkdir(NULL, 000 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7237] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] close(3 [pid 7237] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7237] <... openat resumed>) = 4 [pid 5071] rmdir("./178" [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] lstat("./174/binderfs", [pid 7237] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] mkdir("./179", 0777 [pid 5070] close(3 [pid 5069] unlink("./174/binderfs" [pid 7237] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 7237] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7237] exit_group(0 [pid 5071] <... openat resumed>) = 3 [pid 7237] <... exit_group resumed>) = ? [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7244 ./strace-static-x86_64: Process 7244 attached [pid 7237] +++ exited with 0 +++ [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7244] chdir("./178" [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7237, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5071] close(3) = 0 [pid 7244] <... chdir resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7245 [pid 5072] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7244] <... prctl resumed>) = 0 [ 241.416793][ T7241] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.430837][ T7241] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 241.442674][ T7241] REISERFS (device loop5): using ordered data mode [ 241.450043][ T7241] reiserfs: using flush barriers [pid 5072] fstat(3, ./strace-static-x86_64: Process 7245 attached [pid 7244] setpgid(0, 0 [pid 7242] 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"..., 4194304 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7245] chdir("./179" [pid 7244] <... setpgid resumed>) = 0 [pid 5072] getdents64(3, [pid 7245] <... chdir resumed>) = 0 [pid 7244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7245] <... prctl resumed>) = 0 [pid 5072] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7245] setpgid(0, 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7245] <... setpgid resumed>) = 0 [pid 5072] lstat("./178/binderfs", [pid 7245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./178/binderfs") = 0 [pid 7245] <... openat resumed>) = 3 [ 241.493437][ T7241] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.517179][ T7241] REISERFS (device loop5): checking transaction log (loop5) [ 241.528215][ T7241] REISERFS (device loop5): Using r5 hash to sort names [pid 7245] write(3, "1000", 4 [pid 7244] <... openat resumed>) = 3 [pid 7242] <... write resumed>) = 4194304 [pid 5072] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7244] write(3, "1000", 4 [pid 7241] <... mount resumed>) = 0 [pid 7241] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7241] chdir("./file0") = 0 [pid 7241] ioctl(4, LOOP_CLR_FD) = 0 [pid 7241] close(4 [pid 7244] <... write resumed>) = 4 [pid 7242] munmap(0x7f8a1b2e3000, 4194304 [pid 7244] close(3) = 0 [pid 7244] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7244] memfd_create("syzkaller", 0 [pid 7241] <... close resumed>) = 0 [pid 7241] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7241] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7244] <... memfd_create resumed>) = 3 [pid 7244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7241] <... openat resumed>) = 4 [pid 7241] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7241] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7241] exit_group(0) = ? [pid 7241] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7241, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5074] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./182/binderfs") = 0 [pid 7242] <... munmap resumed>) = 0 [ 241.535345][ T7241] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.549928][ T7241] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7245] <... write resumed>) = 4 [pid 7242] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7245] close(3 [pid 7242] <... openat resumed>) = 4 [pid 7245] <... close resumed>) = 0 [pid 7242] ioctl(4, LOOP_SET_FD, 3 [pid 7245] symlink("/dev/binderfs", "./binderfs" [pid 7242] <... ioctl resumed>) = 0 [pid 7245] <... symlink resumed>) = 0 [pid 7242] close(3) = 0 [pid 7245] memfd_create("syzkaller", 0 [pid 7242] mkdir("./file0", 0777) = 0 [pid 7245] <... memfd_create resumed>) = 3 [pid 7245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7242] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7245] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./174/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./174/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./174") = 0 [pid 5069] mkdir("./175", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7247 attached [pid 7247] chdir("./175") = 0 [pid 7247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7247 [pid 7247] <... prctl resumed>) = 0 [pid 7247] setpgid(0, 0) = 0 [pid 7247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7247] write(3, "1000", 4) = 4 [pid 7247] close(3) = 0 [pid 7247] symlink("/dev/binderfs", "./binderfs") = 0 [ 241.607928][ T7242] loop4: detected capacity change from 0 to 8192 [ 241.637082][ T7242] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7247] memfd_create("syzkaller", 0) = 3 [pid 7247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7244] 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"..., 4194304 [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./182/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 241.697043][ T7242] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 241.707621][ T7242] REISERFS (device loop4): using ordered data mode [ 241.714167][ T7242] reiserfs: using flush barriers [ 241.720649][ T7242] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7245] 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"..., 4194304 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, [pid 5072] <... umount2 resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./178/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] getdents64(4, [pid 5072] <... openat resumed>) = 4 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] fstat(4, [pid 5074] close(4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... close resumed>) = 0 [ 241.769363][ T7242] REISERFS (device loop4): checking transaction log (loop4) [ 241.795239][ T7242] REISERFS (device loop4): Using r5 hash to sort names [pid 5072] getdents64(4, [pid 7247] 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"..., 4194304 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4 [pid 5074] rmdir("./182/file0" [pid 5072] <... close resumed>) = 0 [pid 7245] <... write resumed>) = 4194304 [pid 5074] <... rmdir resumed>) = 0 [pid 5072] rmdir("./178/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./178") = 0 [pid 5072] mkdir("./179", 0777) = 0 [pid 7245] munmap(0x7f8a1b2e3000, 4194304 [pid 7242] <... mount resumed>) = 0 [pid 5074] getdents64(3, [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7245] <... munmap resumed>) = 0 [pid 7242] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] <... openat resumed>) = 3 [pid 7245] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7242] <... openat resumed>) = 3 [pid 5074] close(3 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 7245] <... openat resumed>) = 4 [pid 7242] chdir("./file0" [pid 5074] <... close resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7245] ioctl(4, LOOP_SET_FD, 3 [pid 7242] <... chdir resumed>) = 0 [pid 5074] rmdir("./182" [pid 5072] close(3 [pid 7245] <... ioctl resumed>) = 0 [pid 7242] ioctl(4, LOOP_CLR_FD [pid 5074] <... rmdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 7245] close(3 [pid 7242] <... ioctl resumed>) = 0 [pid 5074] mkdir("./183", 0777 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7248 attached [pid 7245] <... close resumed>) = 0 [pid 7244] <... write resumed>) = 4194304 [pid 7242] close(4 [pid 5074] <... mkdir resumed>) = 0 [pid 7245] mkdir("./file0", 0777 [pid 7244] munmap(0x7f8a1b2e3000, 4194304 [pid 7242] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7248 [pid 7245] <... mkdir resumed>) = 0 [pid 7244] <... munmap resumed>) = 0 [pid 7242] mkdir(NULL, 000 [pid 5074] <... openat resumed>) = 3 [pid 7248] chdir("./179" [pid 7245] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7244] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7242] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 7242] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7248] <... chdir resumed>) = 0 [pid 7244] <... openat resumed>) = 4 [pid 7242] <... openat resumed>) = 4 [pid 5074] close(3 [pid 7248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7244] ioctl(4, LOOP_SET_FD, 3 [pid 7242] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... close resumed>) = 0 [ 241.816590][ T7242] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 241.832034][ T7242] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 241.850018][ T7245] loop2: detected capacity change from 0 to 8192 [pid 7248] <... prctl resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7242] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7248] setpgid(0, 0 [pid 7242] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7250 [pid 7248] <... setpgid resumed>) = 0 [pid 7242] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7242] exit_group(0 [pid 7248] <... openat resumed>) = 3 [pid 7242] <... exit_group resumed>) = ? [pid 7248] write(3, "1000", 4 [pid 7242] +++ exited with 0 +++ [pid 7248] <... write resumed>) = 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7242, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- ./strace-static-x86_64: Process 7250 attached [pid 7248] close(3 [pid 7244] <... ioctl resumed>) = 0 [pid 7250] chdir("./183" [pid 7248] <... close resumed>) = 0 [pid 7244] close(3 [pid 7250] <... chdir resumed>) = 0 [pid 7248] symlink("/dev/binderfs", "./binderfs" [pid 7244] <... close resumed>) = 0 [pid 7250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7248] <... symlink resumed>) = 0 [pid 7244] mkdir("./file0", 0777 [pid 7250] <... prctl resumed>) = 0 [pid 7248] memfd_create("syzkaller", 0 [pid 7250] setpgid(0, 0 [pid 7248] <... memfd_create resumed>) = 3 [pid 7244] <... mkdir resumed>) = 0 [ 241.879892][ T7244] loop1: detected capacity change from 0 to 8192 [ 241.888111][ T7245] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5073] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7250] <... setpgid resumed>) = 0 [pid 7248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7244] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7248] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] fstat(3, [pid 7250] <... openat resumed>) = 3 [pid 7250] write(3, "1000", 4) = 4 [pid 7250] close(3) = 0 [pid 7250] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7250] memfd_create("syzkaller", 0) = 3 [ 241.930080][ T7245] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 241.945356][ T7245] REISERFS (device loop2): using ordered data mode [ 241.946819][ T7244] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.952211][ T7245] reiserfs: using flush barriers [pid 7250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./181/binderfs" [pid 7247] <... write resumed>) = 4194304 [pid 5073] <... unlink resumed>) = 0 [pid 7247] munmap(0x7f8a1b2e3000, 4194304 [pid 5073] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7247] <... munmap resumed>) = 0 [ 241.972204][ T7245] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.001050][ T7244] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 242.008021][ T7245] REISERFS (device loop2): checking transaction log (loop2) [ 242.010860][ T7244] REISERFS (device loop1): using ordered data mode [ 242.025824][ T7244] reiserfs: using flush barriers [pid 7247] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7250] 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"..., 4194304 [pid 7248] 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"..., 4194304 [ 242.034334][ T7244] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.050376][ T7245] REISERFS (device loop2): Using r5 hash to sort names [ 242.053985][ T7244] REISERFS (device loop1): checking transaction log (loop1) [ 242.057833][ T7245] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7247] ioctl(4, LOOP_SET_FD, 3 [pid 7245] <... mount resumed>) = 0 [pid 7245] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 242.077617][ T7245] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 242.086067][ T7247] loop0: detected capacity change from 0 to 8192 [ 242.097234][ T7244] REISERFS (device loop1): Using r5 hash to sort names [ 242.104503][ T7244] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7245] chdir("./file0") = 0 [pid 7244] <... mount resumed>) = 0 [pid 7250] <... write resumed>) = 4194304 [pid 7247] <... ioctl resumed>) = 0 [pid 7245] ioctl(4, LOOP_CLR_FD [pid 7250] munmap(0x7f8a1b2e3000, 4194304 [pid 7247] close(3 [pid 7245] <... ioctl resumed>) = 0 [pid 7244] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7250] <... munmap resumed>) = 0 [pid 7247] <... close resumed>) = 0 [pid 7245] close(4 [pid 7244] <... openat resumed>) = 3 [pid 7250] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7247] mkdir("./file0", 0777 [pid 7245] <... close resumed>) = 0 [pid 7244] chdir("./file0" [pid 7250] <... openat resumed>) = 4 [pid 7247] <... mkdir resumed>) = 0 [pid 7245] mkdir(NULL, 000 [pid 7244] <... chdir resumed>) = 0 [pid 7250] ioctl(4, LOOP_SET_FD, 3 [pid 7248] <... write resumed>) = 4194304 [ 242.136392][ T7244] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7247] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7245] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7244] ioctl(4, LOOP_CLR_FD [pid 5073] <... umount2 resumed>) = 0 [pid 7248] munmap(0x7f8a1b2e3000, 4194304 [pid 7245] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7244] <... ioctl resumed>) = 0 [pid 7250] <... ioctl resumed>) = 0 [pid 7248] <... munmap resumed>) = 0 [pid 7245] <... openat resumed>) = 4 [pid 7244] close(4 [pid 5073] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7250] close(3 [pid 7248] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7245] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7244] <... close resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7250] <... close resumed>) = 0 [pid 7248] <... openat resumed>) = 4 [pid 7245] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7244] mkdir(NULL, 000 [pid 5073] lstat("./181/file0", [pid 7250] mkdir("./file0", 0777 [pid 7248] ioctl(4, LOOP_SET_FD, 3 [pid 7245] mount(NULL, "./bus", NULL, 0, NULL [pid 7244] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7250] <... mkdir resumed>) = 0 [pid 7248] <... ioctl resumed>) = 0 [pid 7245] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7244] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7250] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7248] close(3 [pid 7245] exit_group(0 [pid 7244] <... openat resumed>) = 4 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7248] <... close resumed>) = 0 [pid 7245] <... exit_group resumed>) = ? [pid 7244] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7248] mkdir("./file0", 0777 [pid 7245] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7245, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5071] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7244] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... openat resumed>) = 4 [pid 5071] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 242.184763][ T7250] loop5: detected capacity change from 0 to 8192 [ 242.194113][ T7247] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.208717][ T7248] loop3: detected capacity change from 0 to 8192 [ 242.225412][ T7247] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7244] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] fstat(4, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./179/binderfs") = 0 [pid 5071] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7244] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7244] exit_group(0 [pid 5073] getdents64(4, [pid 7244] <... exit_group resumed>) = ? [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7244] +++ exited with 0 +++ [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7244, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5073] close(4) = 0 [pid 5073] rmdir("./181/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3 [pid 5070] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] rmdir("./181" [pid 5070] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... rmdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5073] mkdir("./182", 0777 [pid 5070] fstat(3, [pid 7248] <... mkdir resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] getdents64(3, [pid 5073] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5070] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] close(3 [pid 5070] lstat("./178/binderfs", [pid 7248] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... close resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] unlink("./178/binderfs") = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7254 [ 242.237667][ T7250] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.244292][ T7247] REISERFS (device loop0): using ordered data mode [ 242.259224][ T7247] reiserfs: using flush barriers [ 242.268658][ T7250] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 242.278614][ T7250] REISERFS (device loop5): using ordered data mode [ 242.287975][ T7248] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.290831][ T7247] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.309524][ T7250] reiserfs: using flush barriers [ 242.317656][ T7247] REISERFS (device loop0): checking transaction log (loop0) [pid 5070] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7254 attached [pid 7247] <... mount resumed>) = 0 [pid 7247] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7247] chdir("./file0") = 0 [pid 7247] ioctl(4, LOOP_CLR_FD) = 0 [pid 7247] close(4) = 0 [pid 7247] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7247] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7247] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7247] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7247] exit_group(0) = ? [pid 7254] chdir("./182" [pid 7247] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7247, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [ 242.329932][ T7248] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 242.332695][ T7247] REISERFS (device loop0): Using r5 hash to sort names [ 242.339281][ T7248] REISERFS (device loop3): using ordered data mode [ 242.352520][ T7247] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.352604][ T7247] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 242.375235][ T7248] reiserfs: using flush barriers [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 7254] <... chdir resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5069] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./175/binderfs") = 0 [pid 5069] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7254] <... prctl resumed>) = 0 [ 242.384489][ T7248] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.401482][ T7250] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.418965][ T7248] REISERFS (device loop3): checking transaction log (loop3) [ 242.426783][ T7250] REISERFS (device loop5): checking transaction log (loop5) [pid 7254] setpgid(0, 0) = 0 [pid 7254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7254] write(3, "1000", 4) = 4 [pid 7254] close(3) = 0 [pid 7254] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7254] memfd_create("syzkaller", 0) = 3 [pid 7254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./179/file0", [pid 7254] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./179/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./179" [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./175/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] fstat(4, [pid 5071] mkdir("./180", 0777 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] getdents64(4, [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] <... openat resumed>) = 3 [ 242.438119][ T7250] REISERFS (device loop5): Using r5 hash to sort names [ 242.449885][ T7248] REISERFS (device loop3): Using r5 hash to sort names [ 242.464718][ T7250] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5069] getdents64(4, [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(4 [pid 5071] close(3 [pid 5069] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] rmdir("./175/file0" [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7256 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./175") = 0 [pid 5069] mkdir("./176", 0777) = 0 ./strace-static-x86_64: Process 7256 attached [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7256] chdir("./180" [pid 5069] <... openat resumed>) = 3 [pid 7256] <... chdir resumed>) = 0 [ 242.504297][ T7248] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5070] <... umount2 resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7256] <... prctl resumed>) = 0 [pid 5069] close(3 [pid 7256] setpgid(0, 0 [pid 5069] <... close resumed>) = 0 [pid 7256] <... setpgid resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7257 [pid 7256] write(3, "1000", 4) = 4 [pid 7256] close(3) = 0 [pid 7256] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7256] memfd_create("syzkaller", 0) = 3 [pid 7256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5070] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./178/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7257 attached [pid 5070] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7257] chdir("./176" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7257] <... chdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... openat resumed>) = 4 [pid 7257] <... prctl resumed>) = 0 [pid 5070] fstat(4, [pid 7257] setpgid(0, 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7257] <... setpgid resumed>) = 0 [pid 5070] getdents64(4, [pid 7257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7257] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 7257] write(3, "1000", 4 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7257] <... write resumed>) = 4 [pid 5070] close(4 [pid 7257] close(3 [pid 5070] <... close resumed>) = 0 [pid 7257] <... close resumed>) = 0 [pid 5070] rmdir("./178/file0" [pid 7257] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... rmdir resumed>) = 0 [pid 7257] <... symlink resumed>) = 0 [pid 5070] getdents64(3, [pid 7257] memfd_create("syzkaller", 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7257] <... memfd_create resumed>) = 3 [pid 5070] close(3 [pid 7257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... close resumed>) = 0 [pid 7257] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5070] rmdir("./178") = 0 [pid 5070] mkdir("./179", 0777) = 0 [pid 7254] 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"..., 4194304 [pid 7250] <... mount resumed>) = 0 [pid 7248] <... mount resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 7256] 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"..., 4194304 [pid 7250] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7248] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... close resumed>) = 0 [ 242.545869][ T7250] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 242.574946][ T7248] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7250] <... openat resumed>) = 3 [pid 7248] <... openat resumed>) = 3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7250] chdir("./file0" [pid 7248] chdir("./file0" [pid 7250] <... chdir resumed>) = 0 [pid 7248] <... chdir resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7258 ./strace-static-x86_64: Process 7258 attached [pid 7250] ioctl(4, LOOP_CLR_FD [pid 7248] ioctl(4, LOOP_CLR_FD [pid 7250] <... ioctl resumed>) = 0 [pid 7248] <... ioctl resumed>) = 0 [pid 7248] close(4 [pid 7250] close(4) = 0 [pid 7248] <... close resumed>) = 0 [pid 7258] chdir("./179" [pid 7254] <... write resumed>) = 4194304 [pid 7250] mkdir(NULL, 000 [pid 7258] <... chdir resumed>) = 0 [pid 7254] munmap(0x7f8a1b2e3000, 4194304 [pid 7248] mkdir(NULL, 000 [pid 7258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7250] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7248] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7258] <... prctl resumed>) = 0 [pid 7254] <... munmap resumed>) = 0 [pid 7250] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7248] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7250] <... openat resumed>) = 4 [pid 7258] setpgid(0, 0 [pid 7250] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7248] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7254] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7258] <... setpgid resumed>) = 0 [pid 7254] <... openat resumed>) = 4 [pid 7250] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7248] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7257] 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"..., 4194304 [pid 7254] ioctl(4, LOOP_SET_FD, 3 [pid 7250] mount(NULL, "./bus", NULL, 0, NULL [pid 7248] mount(NULL, "./bus", NULL, 0, NULL [pid 7258] <... openat resumed>) = 3 [pid 7254] <... ioctl resumed>) = 0 [pid 7250] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7258] write(3, "1000", 4 [pid 7248] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7248] exit_group(0 [pid 7250] exit_group(0 [pid 7248] <... exit_group resumed>) = ? [pid 7258] <... write resumed>) = 4 [pid 7250] <... exit_group resumed>) = ? [pid 7248] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7248, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7258] close(3 [pid 7250] +++ exited with 0 +++ [pid 7258] <... close resumed>) = 0 [pid 5072] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7258] symlink("/dev/binderfs", "./binderfs" [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7250, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7258] <... symlink resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 7258] memfd_create("syzkaller", 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] fstat(3, [pid 7258] <... memfd_create resumed>) = 3 [pid 5074] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... openat resumed>) = 3 [pid 5072] getdents64(3, [pid 7258] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] fstat(3, [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./179/binderfs") = 0 [pid 5074] getdents64(3, [pid 5072] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7254] close(3 [pid 5074] unlink("./183/binderfs" [pid 7254] <... close resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 7254] mkdir("./file0", 0777 [pid 5074] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7254] <... mkdir resumed>) = 0 [ 242.668230][ T7254] loop4: detected capacity change from 0 to 8192 [pid 7254] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7258] 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"..., 4194304 [pid 7256] <... write resumed>) = 4194304 [pid 7256] munmap(0x7f8a1b2e3000, 4194304) = 0 [ 242.735863][ T7254] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.768573][ T7254] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7258] <... write resumed>) = 4194304 [pid 7256] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7258] munmap(0x7f8a1b2e3000, 4194304 [pid 7256] <... openat resumed>) = 4 [pid 7258] <... munmap resumed>) = 0 [pid 7256] ioctl(4, LOOP_SET_FD, 3 [pid 7258] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7256] <... ioctl resumed>) = 0 [pid 7258] ioctl(4, LOOP_SET_FD, 3 [pid 7256] close(3) = 0 [ 242.806525][ T7254] REISERFS (device loop4): using ordered data mode [ 242.821646][ T7256] loop2: detected capacity change from 0 to 8192 [ 242.829295][ T7254] reiserfs: using flush barriers [ 242.837987][ T7258] loop1: detected capacity change from 0 to 8192 [pid 7258] <... ioctl resumed>) = 0 [pid 7256] mkdir("./file0", 0777 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./179/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./179/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./179") = 0 [pid 5072] mkdir("./180", 0777 [pid 7258] close(3 [pid 7256] <... mkdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 7258] <... close resumed>) = 0 [pid 7256] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7258] mkdir("./file0", 0777 [pid 5072] <... openat resumed>) = 3 [pid 7258] <... mkdir resumed>) = 0 [pid 7257] <... write resumed>) = 4194304 [pid 5074] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7257] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7257] <... munmap resumed>) = 0 [pid 5074] lstat("./183/file0", [pid 7257] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7257] <... openat resumed>) = 4 [pid 5074] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7257] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7258] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7257] <... ioctl resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 242.844874][ T7254] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.864065][ T7254] REISERFS (device loop4): checking transaction log (loop4) [ 242.875038][ T7254] REISERFS (device loop4): Using r5 hash to sort names [ 242.878401][ T7257] loop0: detected capacity change from 0 to 8192 [ 242.883264][ T7256] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5072] close(3 [pid 7257] close(3 [pid 7254] <... mount resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7262 [pid 7257] <... close resumed>) = 0 [pid 7254] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... openat resumed>) = 4 [pid 7257] mkdir("./file0", 0777 [pid 7254] <... openat resumed>) = 3 [pid 5074] fstat(4, ./strace-static-x86_64: Process 7262 attached [ 242.888834][ T7254] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 242.914694][ T7254] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 242.924198][ T7256] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 242.933873][ T7256] REISERFS (device loop2): using ordered data mode [ 242.939195][ T7258] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7262] chdir("./180" [pid 7257] <... mkdir resumed>) = 0 [pid 7254] chdir("./file0" [pid 7262] <... chdir resumed>) = 0 [pid 7257] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7262] setpgid(0, 0) = 0 [pid 7262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7262] write(3, "1000", 4) = 4 [pid 7262] close(3) = 0 [pid 7254] <... chdir resumed>) = 0 [pid 5074] getdents64(4, [pid 7254] ioctl(4, LOOP_CLR_FD [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7254] <... ioctl resumed>) = 0 [pid 5074] getdents64(4, [ 242.940799][ T7256] reiserfs: using flush barriers [ 242.960483][ T7258] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 242.969867][ T7256] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.970240][ T7258] REISERFS (device loop1): using ordered data mode [ 242.992994][ T7258] reiserfs: using flush barriers [pid 7254] close(4 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7262] symlink("/dev/binderfs", "./binderfs" [pid 7254] <... close resumed>) = 0 [pid 5074] close(4 [pid 7254] mkdir(NULL, 000 [pid 5074] <... close resumed>) = 0 [pid 7254] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] rmdir("./183/file0" [pid 7254] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... rmdir resumed>) = 0 [pid 7254] <... openat resumed>) = 4 [pid 5074] getdents64(3, [pid 7254] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7254] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(3 [pid 7254] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... close resumed>) = 0 [pid 7254] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] rmdir("./183" [pid 7254] exit_group(0 [pid 5074] <... rmdir resumed>) = 0 [pid 7254] <... exit_group resumed>) = ? [pid 5074] mkdir("./184", 0777 [pid 7254] +++ exited with 0 +++ [pid 5074] <... mkdir resumed>) = 0 [pid 7262] <... symlink resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7254, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 7262] memfd_create("syzkaller", 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] close(3 [pid 7262] <... memfd_create resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 5073] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7264 [pid 7262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7262] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 7264 attached [ 243.001083][ T7258] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 243.020315][ T7257] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.021117][ T7258] REISERFS (device loop1): checking transaction log (loop1) [ 243.043421][ T7258] REISERFS (device loop1): Using r5 hash to sort names [pid 5073] fstat(3, [pid 7264] chdir("./184") = 0 [pid 7264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7264] setpgid(0, 0) = 0 [pid 7264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7264] write(3, "1000", 4) = 4 [pid 7264] close(3) = 0 [pid 7264] symlink("/dev/binderfs", "./binderfs" [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7264] <... symlink resumed>) = 0 [pid 5073] getdents64(3, [pid 7264] memfd_create("syzkaller", 0) = 3 [pid 7264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 243.057287][ T7256] REISERFS (device loop2): checking transaction log (loop2) [ 243.064863][ T7257] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 243.076694][ T7257] REISERFS (device loop0): using ordered data mode [ 243.078947][ T7258] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.083277][ T7256] REISERFS (device loop2): Using r5 hash to sort names [pid 5073] unlink("./182/binderfs") = 0 [pid 5073] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7256] <... mount resumed>) = 0 [pid 7256] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7258] <... mount resumed>) = 0 [pid 7256] <... openat resumed>) = 3 [pid 7258] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7256] chdir("./file0" [pid 7258] <... openat resumed>) = 3 [pid 7256] <... chdir resumed>) = 0 [pid 7258] chdir("./file0" [pid 7256] ioctl(4, LOOP_CLR_FD [pid 7258] <... chdir resumed>) = 0 [pid 7258] ioctl(4, LOOP_CLR_FD [pid 7256] <... ioctl resumed>) = 0 [pid 7258] <... ioctl resumed>) = 0 [pid 7256] close(4 [pid 7264] 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"..., 4194304 [pid 7258] close(4 [pid 7256] <... close resumed>) = 0 [pid 7258] <... close resumed>) = 0 [ 243.103720][ T7256] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.106954][ T7257] reiserfs: using flush barriers [ 243.116474][ T7256] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 243.131381][ T7258] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7256] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7256] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7256] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7256] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7256] exit_group(0) = ? [pid 7256] +++ exited with 0 +++ [pid 7258] mkdir(NULL, 000 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7256, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7258] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7258] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7258] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7258] mount(NULL, "./bus", NULL, 0, NULL [ 243.176537][ T7257] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 243.206701][ T7257] REISERFS (device loop0): checking transaction log (loop0) [pid 7262] 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"..., 4194304 [pid 7264] <... write resumed>) = 4194304 [pid 7258] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7264] munmap(0x7f8a1b2e3000, 4194304 [pid 7258] exit_group(0 [pid 5071] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] <... munmap resumed>) = 0 [pid 7258] <... exit_group resumed>) = ? [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7264] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7258] +++ exited with 0 +++ [pid 7257] <... mount resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7264] <... openat resumed>) = 4 [pid 7257] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7264] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... openat resumed>) = 3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7258, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 7257] <... openat resumed>) = 3 [ 243.225566][ T7257] REISERFS (device loop0): Using r5 hash to sort names [ 243.233534][ T7257] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.248887][ T7257] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7264] <... ioctl resumed>) = 0 [pid 7257] chdir("./file0" [pid 5071] fstat(3, [pid 7264] close(3 [pid 7257] <... chdir resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7264] <... close resumed>) = 0 [pid 7257] ioctl(4, LOOP_CLR_FD [pid 7264] mkdir("./file0", 0777 [pid 7257] <... ioctl resumed>) = 0 [pid 5071] getdents64(3, [pid 7264] <... mkdir resumed>) = 0 [pid 7257] close(4 [pid 7264] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7257] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7257] mkdir(NULL, 000 [pid 5071] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7257] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7257] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7257] <... openat resumed>) = 4 [pid 5071] lstat("./180/binderfs", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7262] <... write resumed>) = 4194304 [pid 7257] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7262] munmap(0x7f8a1b2e3000, 4194304 [pid 7257] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [ 243.273831][ T7264] loop5: detected capacity change from 0 to 8192 [pid 5070] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7257] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] unlink("./180/binderfs" [pid 7262] <... munmap resumed>) = 0 [pid 7257] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... openat resumed>) = 3 [pid 7262] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7257] exit_group(0 [pid 5071] <... unlink resumed>) = 0 [pid 5070] fstat(3, [pid 7262] <... openat resumed>) = 4 [pid 7257] <... exit_group resumed>) = ? [pid 5071] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7262] ioctl(4, LOOP_SET_FD, 3 [pid 7257] +++ exited with 0 +++ [pid 5070] getdents64(3, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7257, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7262] <... ioctl resumed>) = 0 [ 243.301127][ T7264] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.321708][ T7262] loop3: detected capacity change from 0 to 8192 [ 243.336333][ T7264] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./179/binderfs", [pid 7262] close(3 [pid 5069] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7262] <... close resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7262] mkdir("./file0", 0777 [pid 5073] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7262] <... mkdir resumed>) = 0 [pid 5073] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./179/binderfs" [pid 5069] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7262] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./182/file0", [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(3, [pid 5073] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(3, [pid 5073] <... openat resumed>) = 4 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] fstat(4, [pid 5069] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] getdents64(4, [ 243.345864][ T7264] REISERFS (device loop5): using ordered data mode [ 243.356742][ T7264] reiserfs: using flush barriers [ 243.367352][ T7264] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 243.386133][ T7264] REISERFS (device loop5): checking transaction log (loop5) [pid 5069] lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, [pid 5071] <... umount2 resumed>) = 0 [pid 5069] unlink("./176/binderfs" [pid 5071] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./180/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5071] fstat(4, [pid 5073] close(4 [pid 5069] <... unlink resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5069] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] rmdir("./182/file0" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./180/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./180") = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5071] mkdir("./181", 0777 [pid 5073] getdents64(3, [pid 5071] <... mkdir resumed>) = 0 [ 243.395501][ T7262] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.409833][ T7262] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 243.416627][ T7264] REISERFS (device loop5): Using r5 hash to sort names [ 243.419753][ T7262] REISERFS (device loop3): using ordered data mode [ 243.432695][ T7262] reiserfs: using flush barriers [ 243.434299][ T7264] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] close(3) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7267 [pid 5073] rmdir("./182") = 0 [pid 5073] mkdir("./183", 0777 [pid 7264] <... mount resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 7264] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [ 243.458545][ T7262] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 243.478889][ T7262] REISERFS (device loop3): checking transaction log (loop3) [ 243.487645][ T7264] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 243.499384][ T7262] REISERFS (device loop3): Using r5 hash to sort names [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7268 [pid 7264] <... openat resumed>) = 3 [pid 7264] chdir("./file0") = 0 [pid 7264] ioctl(4, LOOP_CLR_FD) = 0 [pid 7264] close(4) = 0 ./strace-static-x86_64: Process 7268 attached ./strace-static-x86_64: Process 7267 attached [pid 7264] mkdir(NULL, 000 [pid 7262] <... mount resumed>) = 0 [pid 7268] chdir("./183" [pid 7264] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7262] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7268] <... chdir resumed>) = 0 [pid 7267] chdir("./181" [pid 7264] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7262] <... openat resumed>) = 3 [pid 7268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7267] <... chdir resumed>) = 0 [pid 7264] <... openat resumed>) = 4 [pid 7262] chdir("./file0" [pid 7268] <... prctl resumed>) = 0 [pid 7267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7264] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7262] <... chdir resumed>) = 0 [pid 7268] setpgid(0, 0 [pid 7267] <... prctl resumed>) = 0 [pid 7264] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7262] ioctl(4, LOOP_CLR_FD [pid 7268] <... setpgid resumed>) = 0 [pid 7267] setpgid(0, 0 [pid 7264] mount(NULL, "./bus", NULL, 0, NULL [pid 7262] <... ioctl resumed>) = 0 [pid 7268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7267] <... setpgid resumed>) = 0 [pid 7264] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7262] close(4 [pid 7268] <... openat resumed>) = 3 [pid 7267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7264] exit_group(0 [pid 7262] <... close resumed>) = 0 [pid 7268] write(3, "1000", 4 [pid 7267] <... openat resumed>) = 3 [pid 7264] <... exit_group resumed>) = ? [pid 7262] mkdir(NULL, 000 [pid 7268] <... write resumed>) = 4 [pid 7267] write(3, "1000", 4 [pid 7264] +++ exited with 0 +++ [pid 7268] close(3 [pid 7267] <... write resumed>) = 4 [pid 7262] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7264, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 7268] <... close resumed>) = 0 [pid 7267] close(3 [pid 7262] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7268] symlink("/dev/binderfs", "./binderfs" [pid 7267] <... close resumed>) = 0 [pid 7268] <... symlink resumed>) = 0 [ 243.507281][ T7262] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 243.520900][ T7262] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7267] symlink("/dev/binderfs", "./binderfs" [pid 7262] <... openat resumed>) = 4 [pid 5074] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7268] memfd_create("syzkaller", 0 [pid 7267] <... symlink resumed>) = 0 [pid 7262] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7268] <... memfd_create resumed>) = 3 [pid 7267] memfd_create("syzkaller", 0 [pid 7262] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7267] <... memfd_create resumed>) = 3 [pid 7262] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... openat resumed>) = 3 [pid 7268] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7262] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] fstat(3, [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7267] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7262] exit_group(0 [pid 5070] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7262] <... exit_group resumed>) = ? [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7262] +++ exited with 0 +++ [pid 5074] getdents64(3, [pid 5070] lstat("./179/file0", [pid 5069] lstat("./176/file0", [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7262, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./184/binderfs", [pid 5072] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 4 [pid 5069] <... openat resumed>) = 4 [pid 5074] unlink("./184/binderfs" [pid 5072] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] fstat(4, [pid 5069] fstat(4, [pid 5074] <... unlink resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 5072] fstat(3, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 5072] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] close(4 [pid 5069] close(4 [pid 5072] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] rmdir("./179/file0" [pid 5069] rmdir("./176/file0" [pid 5072] lstat("./180/binderfs", [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] getdents64(3, [pid 5069] getdents64(3, [pid 5072] unlink("./180/binderfs" [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5069] close(3 [pid 5072] <... unlink resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] rmdir("./179" [pid 5069] rmdir("./176" [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5070] mkdir("./180", 0777 [pid 5069] mkdir("./177", 0777 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 5069] close(3 [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7269 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7270 ./strace-static-x86_64: Process 7270 attached [pid 7268] 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"..., 4194304./strace-static-x86_64: Process 7269 attached [pid 7269] chdir("./180") = 0 [pid 7269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7269] setpgid(0, 0) = 0 [pid 7269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7270] chdir("./177" [pid 7269] <... openat resumed>) = 3 [pid 7270] <... chdir resumed>) = 0 [pid 7269] write(3, "1000", 4 [pid 7270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7269] <... write resumed>) = 4 [pid 7269] close(3 [pid 7270] <... prctl resumed>) = 0 [pid 7269] <... close resumed>) = 0 [pid 7269] symlink("/dev/binderfs", "./binderfs" [pid 7270] setpgid(0, 0 [pid 7269] <... symlink resumed>) = 0 [pid 7270] <... setpgid resumed>) = 0 [pid 7269] memfd_create("syzkaller", 0 [pid 7267] 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"..., 4194304 [pid 7270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7269] <... memfd_create resumed>) = 3 [pid 7269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7270] <... openat resumed>) = 3 [pid 7269] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7270] write(3, "1000", 4) = 4 [pid 7270] close(3) = 0 [pid 7270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7270] memfd_create("syzkaller", 0) = 3 [pid 7270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7268] <... write resumed>) = 4194304 [pid 7268] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7268] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7268] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./184/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./184/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./184") = 0 [pid 5074] mkdir("./185", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7271 [pid 7268] <... ioctl resumed>) = 0 [pid 7268] close(3) = 0 [pid 7268] mkdir("./file0", 0777) = 0 [pid 7268] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7271 attached [pid 7271] chdir("./185") = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] lstat("./180/file0", [pid 7271] setpgid(0, 0) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 243.768783][ T7268] loop4: detected capacity change from 0 to 8192 [pid 7271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7271] write(3, "1000", 4) = 4 [pid 7271] close(3) = 0 [pid 7271] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7271] memfd_create("syzkaller", 0) = 3 [pid 7271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, [pid 7269] 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"..., 4194304 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7270] 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"..., 4194304 [pid 5072] close(4) = 0 [ 243.827413][ T7268] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.867219][ T7268] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5072] rmdir("./180/file0" [pid 7267] <... write resumed>) = 4194304 [pid 7267] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7267] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7267] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... rmdir resumed>) = 0 [pid 5072] getdents64(3, [pid 7267] <... ioctl resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7267] close(3 [pid 5072] close(3 [pid 7267] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 7267] mkdir("./file0", 0777 [pid 5072] rmdir("./180" [pid 7271] 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"..., 4194304 [pid 7267] <... mkdir resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 7267] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] mkdir("./181", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7274 [ 243.875665][ T7267] loop2: detected capacity change from 0 to 8192 [ 243.876665][ T7268] REISERFS (device loop4): using ordered data mode [ 243.889414][ T7268] reiserfs: using flush barriers [ 243.905812][ T7268] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 ./strace-static-x86_64: Process 7274 attached [pid 7271] <... write resumed>) = 4194304 [pid 7274] chdir("./181" [pid 7271] munmap(0x7f8a1b2e3000, 4194304 [pid 7269] <... write resumed>) = 4194304 [pid 7274] <... chdir resumed>) = 0 [pid 7271] <... munmap resumed>) = 0 [pid 7269] munmap(0x7f8a1b2e3000, 4194304 [pid 7274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7271] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7274] <... prctl resumed>) = 0 [pid 7271] <... openat resumed>) = 4 [pid 7269] <... munmap resumed>) = 0 [pid 7274] setpgid(0, 0 [pid 7271] ioctl(4, LOOP_SET_FD, 3 [pid 7269] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7274] <... setpgid resumed>) = 0 [pid 7271] <... ioctl resumed>) = 0 [pid 7269] <... openat resumed>) = 4 [pid 7274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7271] close(3 [ 243.944059][ T7268] REISERFS (device loop4): checking transaction log (loop4) [ 243.954668][ T7267] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.978458][ T7271] loop5: detected capacity change from 0 to 8192 [ 243.987911][ T7269] loop1: detected capacity change from 0 to 8192 [pid 7269] ioctl(4, LOOP_SET_FD, 3 [pid 7274] <... openat resumed>) = 3 [pid 7270] <... write resumed>) = 4194304 [pid 7269] <... ioctl resumed>) = 0 [pid 7274] write(3, "1000", 4) = 4 [pid 7274] close(3) = 0 [pid 7274] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7274] memfd_create("syzkaller", 0) = 3 [pid 7274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7271] <... close resumed>) = 0 [pid 7271] mkdir("./file0", 0777) = 0 [pid 7270] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7271] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7269] close(3) = 0 [pid 7269] mkdir("./file0", 0777) = 0 [pid 7269] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7270] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 243.989609][ T7267] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 244.004590][ T7267] REISERFS (device loop2): using ordered data mode [ 244.004768][ T7268] REISERFS (device loop4): Using r5 hash to sort names [ 244.012690][ T7267] reiserfs: using flush barriers [ 244.024739][ T7270] loop0: detected capacity change from 0 to 8192 [ 244.024865][ T7271] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.033644][ T7268] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.056793][ T7269] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.056816][ T7269] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 244.056895][ T7269] REISERFS (device loop1): using ordered data mode [pid 7270] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7274] 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"..., 4194304 [pid 7270] close(3) = 0 [ 244.069831][ T7267] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.070165][ T7267] REISERFS (device loop2): checking transaction log (loop2) [ 244.101763][ T7268] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 244.109844][ T7271] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 244.129199][ T7267] REISERFS (device loop2): Using r5 hash to sort names [ 244.129813][ T7269] reiserfs: using flush barriers [pid 7270] mkdir("./file0", 0777) = 0 [ 244.136533][ T7267] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.154211][ T7267] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 244.164354][ T7271] REISERFS (device loop5): using ordered data mode [ 244.164881][ T7269] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.187782][ T7271] reiserfs: using flush barriers [pid 7270] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7268] <... mount resumed>) = 0 [pid 7267] <... mount resumed>) = 0 [pid 7267] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7267] chdir("./file0") = 0 [pid 7267] ioctl(4, LOOP_CLR_FD) = 0 [pid 7267] close(4) = 0 [pid 7267] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7267] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7267] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7267] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7267] exit_group(0) = ? [pid 7267] +++ exited with 0 +++ [pid 7274] <... write resumed>) = 4194304 [pid 7274] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7274] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7274] ioctl(4, LOOP_SET_FD, 3 [pid 7268] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7274] <... ioctl resumed>) = 0 [pid 7274] close(3) = 0 [pid 7274] mkdir("./file0", 0777) = 0 [pid 7274] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7268] <... openat resumed>) = 3 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7267, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7268] chdir("./file0" [pid 5071] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7268] <... chdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 244.193937][ T7270] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.204228][ T7274] loop3: detected capacity change from 0 to 8192 [ 244.217287][ T7269] REISERFS (device loop1): checking transaction log (loop1) [ 244.223366][ T7271] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7268] ioctl(4, LOOP_CLR_FD [pid 5071] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7268] <... ioctl resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [ 244.226114][ T7269] REISERFS (device loop1): Using r5 hash to sort names [ 244.242967][ T7270] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 244.248881][ T7274] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.258784][ T7271] REISERFS (device loop5): checking transaction log (loop5) [ 244.270531][ T7269] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7268] close(4 [pid 5071] fstat(3, [pid 7268] <... close resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7268] mkdir(NULL, 000 [pid 5071] getdents64(3, [pid 7268] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7268] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7268] <... openat resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7268] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] lstat("./181/binderfs", [pid 7269] <... mount resumed>) = 0 [pid 7268] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./181/binderfs" [pid 7268] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... unlink resumed>) = 0 [pid 7268] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7268] exit_group(0) = ? [pid 7269] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7268] +++ exited with 0 +++ [pid 7269] <... openat resumed>) = 3 [ 244.278993][ T7270] REISERFS (device loop0): using ordered data mode [ 244.290580][ T7274] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 244.297047][ T7269] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 244.325684][ T7274] REISERFS (device loop3): using ordered data mode [ 244.332625][ T7274] reiserfs: using flush barriers [ 244.339565][ T7270] reiserfs: using flush barriers [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7268, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5073] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7269] chdir("./file0" [ 244.346695][ T7274] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.356510][ T7270] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.363775][ T7274] REISERFS (device loop3): checking transaction log (loop3) [ 244.382137][ T7271] REISERFS (device loop5): Using r5 hash to sort names [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7269] <... chdir resumed>) = 0 [pid 5073] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./183/binderfs") = 0 [pid 5073] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7271] <... mount resumed>) = 0 [pid 7269] ioctl(4, LOOP_CLR_FD) = 0 [pid 7269] close(4) = 0 [pid 7269] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7269] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7269] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7269] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7269] exit_group(0) = ? [pid 7269] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7269, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=11 /* 0.11 s */} --- [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 7271] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5070] <... restart_syscall resumed>) = 0 [pid 7271] chdir("./file0") = 0 [pid 5070] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7271] ioctl(4, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 3 [pid 5070] fstat(3, [pid 7271] <... ioctl resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7271] close(4 [ 244.387930][ T7270] REISERFS (device loop0): checking transaction log (loop0) [ 244.401861][ T7271] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.416025][ T7271] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 244.416555][ T7270] REISERFS (device loop0): Using r5 hash to sort names [ 244.433347][ T7274] REISERFS (device loop3): Using r5 hash to sort names [pid 5070] getdents64(3, [pid 7271] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7271] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7271] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./180/binderfs", [pid 7271] <... openat resumed>) = 4 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7271] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] unlink("./180/binderfs" [pid 7271] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7271] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] <... unlink resumed>) = 0 [pid 7271] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7271] exit_group(0) = ? [pid 7271] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7271, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5074] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [ 244.457560][ T7274] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 244.494534][ T7274] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./185/binderfs") = 0 [pid 5074] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./180/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./180/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./180") = 0 [pid 5070] mkdir("./181", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = 0 [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7279 [pid 7274] <... mount resumed>) = 0 [pid 7274] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7274] chdir("./file0") = 0 [pid 7274] ioctl(4, LOOP_CLR_FD) = 0 [ 244.512755][ T7270] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7274] close(4 [pid 5071] <... umount2 resumed>) = 0 [pid 7274] <... close resumed>) = 0 [pid 7274] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7274] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7274] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7274] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 7279 attached [pid 7274] exit_group(0) = ? [pid 7279] chdir("./181" [pid 7274] +++ exited with 0 +++ [pid 7279] <... chdir resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7274, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7279] setpgid(0, 0) = 0 [pid 5072] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7279] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7279] write(3, "1000", 4) = 4 [pid 5072] <... openat resumed>) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7279] close(3) = 0 [pid 5072] getdents64(3, [pid 7279] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7279] <... symlink resumed>) = 0 [pid 5072] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7279] memfd_create("syzkaller", 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7279] <... memfd_create resumed>) = 3 [pid 5072] lstat("./181/binderfs", [pid 7279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./181/binderfs") = 0 [pid 5072] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./181/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./181/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./181") = 0 [pid 5071] mkdir("./182", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7280 [pid 7270] <... mount resumed>) = 0 [pid 7270] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7270] <... openat resumed>) = 3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 244.608097][ T7270] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7270] chdir("./file0" [pid 5073] lstat("./183/file0", [pid 7270] <... chdir resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7280 attached [pid 7270] ioctl(4, LOOP_CLR_FD [pid 5074] <... umount2 resumed>) = 0 [pid 5073] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7270] <... ioctl resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7280] chdir("./182" [pid 7270] close(4 [pid 5074] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7280] <... chdir resumed>) = 0 [pid 7270] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... openat resumed>) = 4 [pid 7270] mkdir(NULL, 000 [pid 5073] fstat(4, [pid 7280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7270] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] lstat("./185/file0", [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7280] <... prctl resumed>) = 0 [pid 7270] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 7280] setpgid(0, 0 [pid 7270] <... openat resumed>) = 4 [pid 5074] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7270] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] getdents64(4, [pid 7280] <... setpgid resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7270] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7270] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] close(4 [pid 7270] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... close resumed>) = 0 [pid 7280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7270] exit_group(0 [pid 5074] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] rmdir("./183/file0" [pid 7280] <... openat resumed>) = 3 [pid 7270] <... exit_group resumed>) = ? [pid 5074] <... openat resumed>) = 4 [pid 5073] <... rmdir resumed>) = 0 [pid 7280] write(3, "1000", 4 [pid 7270] +++ exited with 0 +++ [pid 5074] fstat(4, [pid 5073] getdents64(3, [pid 7280] <... write resumed>) = 4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7270, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5073] close(3 [pid 7280] close(3 [pid 5074] getdents64(4, [pid 5073] <... close resumed>) = 0 [pid 7280] <... close resumed>) = 0 [pid 5073] rmdir("./183" [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7280] symlink("/dev/binderfs", "./binderfs" [pid 5073] <... rmdir resumed>) = 0 [pid 5074] getdents64(4, [pid 7280] <... symlink resumed>) = 0 [pid 7279] 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"..., 4194304 [pid 5073] mkdir("./184", 0777 [pid 7280] memfd_create("syzkaller", 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5069] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7280] <... memfd_create resumed>) = 3 [pid 5074] close(4 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... close resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3 [pid 7280] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] rmdir("./185/file0" [pid 5073] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7281 [pid 5074] <... rmdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5074] getdents64(3, [pid 5069] fstat(3, [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] close(3 [pid 5069] getdents64(3, [pid 5074] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] rmdir("./185" [pid 5069] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7281 attached [pid 7281] chdir("./184" [pid 5074] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7281] <... chdir resumed>) = 0 [pid 5074] mkdir("./186", 0777 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] lstat("./177/binderfs", [pid 7281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7281] setpgid(0, 0) = 0 [pid 7281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... mkdir resumed>) = 0 [pid 5072] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7281] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] unlink("./177/binderfs" [pid 7281] write(3, "1000", 4) = 4 [pid 5072] lstat("./181/file0", [pid 7281] close(3 [pid 5069] <... unlink resumed>) = 0 [pid 7281] <... close resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5072] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7281] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7281] <... symlink resumed>) = 0 [pid 5074] close(3 [pid 7281] memfd_create("syzkaller", 0 [pid 5074] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7281] <... memfd_create resumed>) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... openat resumed>) = 4 [pid 7281] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] fstat(4, [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7282 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./181/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./181") = 0 [pid 5072] mkdir("./182", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7283 ./strace-static-x86_64: Process 7282 attached [pid 7282] chdir("./186"./strace-static-x86_64: Process 7283 attached ) = 0 [pid 7283] chdir("./182" [pid 7282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7283] <... chdir resumed>) = 0 [pid 7282] <... prctl resumed>) = 0 [pid 7282] setpgid(0, 0 [pid 7283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7282] <... setpgid resumed>) = 0 [pid 7283] <... prctl resumed>) = 0 [pid 7282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7280] 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"..., 4194304 [pid 7283] setpgid(0, 0 [pid 7282] <... openat resumed>) = 3 [pid 7283] <... setpgid resumed>) = 0 [pid 7282] write(3, "1000", 4) = 4 [pid 7283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7282] close(3 [pid 7283] <... openat resumed>) = 3 [pid 7283] write(3, "1000", 4 [pid 7282] <... close resumed>) = 0 [pid 7283] <... write resumed>) = 4 [pid 7282] symlink("/dev/binderfs", "./binderfs" [pid 7283] close(3 [pid 7282] <... symlink resumed>) = 0 [pid 7283] <... close resumed>) = 0 [pid 7282] memfd_create("syzkaller", 0 [pid 7281] 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"..., 4194304 [pid 7283] symlink("/dev/binderfs", "./binderfs" [pid 7282] <... memfd_create resumed>) = 3 [pid 7283] <... symlink resumed>) = 0 [pid 7282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7283] memfd_create("syzkaller", 0) = 3 [pid 7283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7279] <... write resumed>) = 4194304 [pid 7279] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7279] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7279] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... umount2 resumed>) = 0 [pid 7279] <... ioctl resumed>) = 0 [pid 7279] close(3) = 0 [pid 7279] mkdir("./file0", 0777 [pid 5069] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7279] <... mkdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./177/file0", [pid 7279] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./177/file0") = 0 [ 244.888856][ T7279] loop1: detected capacity change from 0 to 8192 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 7280] <... write resumed>) = 4194304 [pid 7283] 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"..., 4194304 [pid 7282] 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"..., 4194304 [pid 7281] <... write resumed>) = 4194304 [pid 7280] munmap(0x7f8a1b2e3000, 4194304 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./177") = 0 [pid 5069] mkdir("./178", 0777) = 0 [ 244.931432][ T7279] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.956921][ T7279] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 244.966690][ T7279] REISERFS (device loop1): using ordered data mode [ 244.973226][ T7279] reiserfs: using flush barriers [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7281] munmap(0x7f8a1b2e3000, 4194304 [pid 7280] <... munmap resumed>) = 0 [pid 5069] close(3 [pid 7281] <... munmap resumed>) = 0 [pid 7280] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 7281] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7280] <... openat resumed>) = 4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7281] <... openat resumed>) = 4 [pid 7280] ioctl(4, LOOP_SET_FD, 3 [pid 7281] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7285 [pid 7280] <... ioctl resumed>) = 0 [pid 7281] <... ioctl resumed>) = 0 [pid 7280] close(3 [pid 7281] close(3 [pid 7280] <... close resumed>) = 0 [pid 7281] <... close resumed>) = 0 [pid 7280] mkdir("./file0", 0777./strace-static-x86_64: Process 7285 attached [ 244.979643][ T7279] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.010869][ T7280] loop2: detected capacity change from 0 to 8192 [ 245.013190][ T7279] REISERFS (device loop1): checking transaction log (loop1) [ 245.017758][ T7281] loop4: detected capacity change from 0 to 8192 [pid 7283] <... write resumed>) = 4194304 [pid 7281] mkdir("./file0", 0777 [pid 7280] <... mkdir resumed>) = 0 [pid 7285] chdir("./178" [pid 7280] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7285] <... chdir resumed>) = 0 [pid 7285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7283] munmap(0x7f8a1b2e3000, 4194304 [pid 7281] <... mkdir resumed>) = 0 [pid 7285] setpgid(0, 0 [pid 7283] <... munmap resumed>) = 0 [pid 7281] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7285] <... setpgid resumed>) = 0 [pid 7283] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7283] <... openat resumed>) = 4 [pid 7285] <... openat resumed>) = 3 [pid 7283] ioctl(4, LOOP_SET_FD, 3 [pid 7285] write(3, "1000", 4 [pid 7282] <... write resumed>) = 4194304 [pid 7285] <... write resumed>) = 4 [pid 7285] close(3) = 0 [pid 7285] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7285] memfd_create("syzkaller", 0) = 3 [pid 7285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 245.050164][ T7279] REISERFS (device loop1): Using r5 hash to sort names [ 245.058010][ T7279] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.067212][ T7283] loop3: detected capacity change from 0 to 8192 [ 245.073270][ T7279] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7283] <... ioctl resumed>) = 0 [pid 7279] <... mount resumed>) = 0 [pid 7279] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7279] chdir("./file0") = 0 [pid 7279] ioctl(4, LOOP_CLR_FD) = 0 [pid 7279] close(4) = 0 [pid 7279] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7279] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7279] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7279] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7279] exit_group(0) = ? [pid 7279] +++ exited with 0 +++ [pid 7283] close(3) = 0 [pid 7283] mkdir("./file0", 0777) = 0 [pid 7283] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7282] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7279, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 s */} --- [pid 7282] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 245.096326][ T7280] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.096522][ T7281] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.123107][ T7281] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 245.124360][ T7283] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7282] ioctl(4, LOOP_SET_FD, 3 [pid 5070] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7282] <... ioctl resumed>) = 0 [pid 7282] close(3 [pid 5070] <... openat resumed>) = 3 [pid 7282] <... close resumed>) = 0 [pid 5070] fstat(3, [pid 7282] mkdir("./file0", 0777) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7282] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 245.146609][ T7283] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 245.156504][ T7282] loop5: detected capacity change from 0 to 8192 [ 245.164220][ T7281] REISERFS (device loop4): using ordered data mode [ 245.164789][ T7283] REISERFS (device loop3): using ordered data mode [ 245.171877][ T7281] reiserfs: using flush barriers [ 245.178748][ T7280] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 245.184053][ T7281] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.210036][ T7281] REISERFS (device loop4): checking transaction log (loop4) [ 245.210382][ T7283] reiserfs: using flush barriers [ 245.217962][ T7280] REISERFS (device loop2): using ordered data mode [ 245.227847][ T7281] REISERFS (device loop4): Using r5 hash to sort names [ 245.229218][ T7280] reiserfs: using flush barriers [pid 7285] 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"..., 4194304 [pid 5070] lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7281] <... mount resumed>) = 0 [pid 7281] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7281] chdir("./file0") = 0 [ 245.235972][ T7281] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.254150][ T7280] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.256360][ T7281] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 245.270504][ T7283] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7281] ioctl(4, LOOP_CLR_FD) = 0 [pid 7281] close(4 [pid 5070] unlink("./181/binderfs") = 0 [pid 5070] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7285] <... write resumed>) = 4194304 [pid 7281] <... close resumed>) = 0 [pid 7281] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7281] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7281] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7281] mount(NULL, "./bus", NULL, 0, NULL [pid 7285] munmap(0x7f8a1b2e3000, 4194304 [pid 7281] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7281] exit_group(0) = ? [pid 7281] +++ exited with 0 +++ [pid 7285] <... munmap resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7281, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [ 245.295923][ T7282] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.332223][ T7282] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 245.341700][ T7282] REISERFS (device loop5): using ordered data mode [pid 5073] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7285] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5073] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./184/binderfs" [pid 7285] <... openat resumed>) = 4 [pid 5073] <... unlink resumed>) = 0 [pid 5073] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7285] ioctl(4, LOOP_SET_FD, 3) = 0 [ 245.349318][ T7282] reiserfs: using flush barriers [ 245.356170][ T7282] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.373144][ T7282] REISERFS (device loop5): checking transaction log (loop5) [ 245.377390][ T7280] REISERFS (device loop2): checking transaction log (loop2) [ 245.381598][ T7282] REISERFS (device loop5): Using r5 hash to sort names [ 245.394978][ T7285] loop0: detected capacity change from 0 to 8192 [pid 7285] close(3) = 0 [pid 7285] mkdir("./file0", 0777 [pid 7282] <... mount resumed>) = 0 [pid 7285] <... mkdir resumed>) = 0 [pid 7282] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7285] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7282] <... openat resumed>) = 3 [pid 7282] chdir("./file0") = 0 [ 245.401968][ T7282] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.415578][ T7282] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 245.426013][ T7283] REISERFS (device loop3): checking transaction log (loop3) [ 245.436013][ T7283] REISERFS (device loop3): Using r5 hash to sort names [pid 7282] ioctl(4, LOOP_CLR_FD) = 0 [pid 7282] close(4) = 0 [pid 7282] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7282] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7282] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7282] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 5070] <... umount2 resumed>) = 0 [ 245.451025][ T7280] REISERFS (device loop2): Using r5 hash to sort names [ 245.471277][ T7283] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.487271][ T7285] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7282] exit_group(0 [pid 5073] <... umount2 resumed>) = 0 [pid 5070] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7282] <... exit_group resumed>) = ? [pid 5073] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7283] <... mount resumed>) = 0 [pid 7282] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7282, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./181/file0", [pid 5073] lstat("./184/file0", [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 3 [pid 5073] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] fstat(3, [pid 5073] <... openat resumed>) = 4 [pid 5070] <... openat resumed>) = 4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, [pid 5070] fstat(4, [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] fstat(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(4, [pid 5073] getdents64(4, [pid 5074] lstat("./186/binderfs", [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] getdents64(4, [pid 5073] getdents64(4, [pid 5074] unlink("./186/binderfs" [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 5073] close(4 [pid 5070] close(4 [pid 5074] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = 0 [pid 7283] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7283] chdir("./file0") = 0 [pid 7283] ioctl(4, LOOP_CLR_FD) = 0 [pid 7283] close(4) = 0 [pid 7283] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7283] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7283] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [ 245.490955][ T7280] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 245.506141][ T7285] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 245.514785][ T7283] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 245.540873][ T7280] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] rmdir("./184/file0" [pid 7283] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... rmdir resumed>) = 0 [pid 5070] rmdir("./181/file0" [pid 5073] getdents64(3, [pid 5070] <... rmdir resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(3, [pid 5073] close(3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] <... close resumed>) = 0 [pid 5070] close(3 [pid 5073] rmdir("./184" [pid 5070] <... close resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5073] mkdir("./185", 0777 [pid 5070] rmdir("./181" [pid 5073] <... mkdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... rmdir resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5070] mkdir("./182", 0777 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5070] <... mkdir resumed>) = 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5073] close(3) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7280] <... mount resumed>) = 0 [pid 7280] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7280] chdir("./file0") = 0 [pid 7280] ioctl(4, LOOP_CLR_FD) = 0 [pid 7280] close(4) = 0 [pid 7280] mkdir(NULL, 000) = -1 EFAULT (Bad address) [ 245.551353][ T7285] REISERFS (device loop0): using ordered data mode [ 245.558416][ T7285] reiserfs: using flush barriers [ 245.564811][ T7285] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.585636][ T7285] REISERFS (device loop0): checking transaction log (loop0) [pid 7280] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7280] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7280] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7291 [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7280] <... mount resumed>) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 7292 attached ./strace-static-x86_64: Process 7291 attached [pid 7283] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7280] exit_group(0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7292 [pid 7292] chdir("./182" [pid 7283] exit_group(0 [pid 7280] <... exit_group resumed>) = ? [pid 7291] chdir("./185" [pid 7280] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7280, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 7283] <... exit_group resumed>) = ? [pid 7292] <... chdir resumed>) = 0 [pid 5071] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7291] <... chdir resumed>) = 0 [pid 7283] +++ exited with 0 +++ [pid 5071] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7292] <... prctl resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7283, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7292] setpgid(0, 0 [pid 7291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] lstat("./182/binderfs", [pid 7292] <... setpgid resumed>) = 0 [pid 7291] <... prctl resumed>) = 0 [pid 5072] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7291] setpgid(0, 0 [pid 5071] unlink("./182/binderfs" [pid 7291] <... setpgid resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... unlink resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] fstat(3, [pid 7292] <... openat resumed>) = 3 [pid 7291] <... openat resumed>) = 3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 245.599226][ T7285] REISERFS (device loop0): Using r5 hash to sort names [ 245.621728][ T7285] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7292] write(3, "1000", 4 [pid 7291] write(3, "1000", 4 [pid 5072] getdents64(3, [pid 7292] <... write resumed>) = 4 [pid 7291] <... write resumed>) = 4 [pid 7292] close(3 [pid 7291] close(3 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7292] <... close resumed>) = 0 [pid 7291] <... close resumed>) = 0 [pid 5072] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7292] symlink("/dev/binderfs", "./binderfs" [pid 7291] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7292] <... symlink resumed>) = 0 [pid 7291] <... symlink resumed>) = 0 [pid 5072] lstat("./182/binderfs", [pid 7292] memfd_create("syzkaller", 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7291] memfd_create("syzkaller", 0 [pid 5072] unlink("./182/binderfs" [pid 7292] <... memfd_create resumed>) = 3 [pid 7291] <... memfd_create resumed>) = 3 [pid 7285] <... mount resumed>) = 0 [pid 7292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7285] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... unlink resumed>) = 0 [pid 7292] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7291] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7285] <... openat resumed>) = 3 [pid 7285] chdir("./file0") = 0 [pid 7285] ioctl(4, LOOP_CLR_FD) = 0 [ 245.644723][ T7285] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7285] close(4) = 0 [pid 7285] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7285] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7285] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7285] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7285] exit_group(0) = ? [pid 7285] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7285, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5069] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./178/binderfs") = 0 [pid 5069] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = 0 [pid 5074] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./186/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] fstat(4, [pid 5071] lstat("./182/file0", [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, [pid 5071] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] close(4 [pid 5071] <... openat resumed>) = 4 [pid 5074] <... close resumed>) = 0 [pid 5071] fstat(4, [pid 5074] rmdir("./186/file0" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5071] getdents64(4, [pid 5074] getdents64(3, [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(4, [pid 5074] close(3 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... close resumed>) = 0 [pid 5071] close(4 [pid 5074] rmdir("./186" [pid 5071] <... close resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5071] rmdir("./182/file0" [pid 5074] mkdir("./187", 0777 [pid 5071] <... rmdir resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5071] close(3 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5071] <... close resumed>) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] rmdir("./182" [pid 5074] close(3 [pid 5071] <... rmdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5071] mkdir("./183", 0777 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... mkdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7293 [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = 0 [pid 5071] close(3 [pid 7291] 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"..., 4194304 [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... umount2 resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7294 ./strace-static-x86_64: Process 7293 attached [pid 5069] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7294 attached [pid 7293] chdir("./187" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7294] chdir("./183" [pid 7293] <... chdir resumed>) = 0 [pid 7294] <... chdir resumed>) = 0 [pid 7293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] lstat("./178/file0", [pid 7294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7293] <... prctl resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7294] <... prctl resumed>) = 0 [pid 7293] setpgid(0, 0 [pid 7292] 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"..., 4194304 [pid 5069] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7294] setpgid(0, 0 [pid 7293] <... setpgid resumed>) = 0 [pid 5072] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7294] <... setpgid resumed>) = 0 [pid 7293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7293] <... openat resumed>) = 3 [pid 5072] lstat("./182/file0", [pid 5069] <... openat resumed>) = 4 [pid 7294] <... openat resumed>) = 3 [pid 7293] write(3, "1000", 4 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] fstat(4, [pid 7294] write(3, "1000", 4 [pid 7293] <... write resumed>) = 4 [pid 5072] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7294] <... write resumed>) = 4 [pid 7293] close(3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(4, [pid 7294] close(3 [pid 7293] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7294] <... close resumed>) = 0 [pid 7293] symlink("/dev/binderfs", "./binderfs" [pid 5069] getdents64(4, [pid 7294] symlink("/dev/binderfs", "./binderfs" [pid 7293] <... symlink resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7294] <... symlink resumed>) = 0 [pid 7293] memfd_create("syzkaller", 0 [pid 5069] close(4 [pid 7294] memfd_create("syzkaller", 0 [pid 7293] <... memfd_create resumed>) = 3 [pid 5072] <... openat resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 7294] <... memfd_create resumed>) = 3 [pid 7293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] fstat(4, [pid 5069] rmdir("./178/file0" [pid 7294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7293] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 7294] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] getdents64(4, [pid 5069] getdents64(3, [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] getdents64(4, [pid 5069] close(3 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] close(4 [pid 5069] rmdir("./178" [pid 5072] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5072] rmdir("./182/file0" [pid 5069] mkdir("./179", 0777 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5072] getdents64(3, [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5072] close(3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5072] <... close resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] rmdir("./182" [pid 5069] close(3 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] mkdir("./183", 0777 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7295 [pid 5072] <... openat resumed>) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 7295 attached ) = -1 ENXIO (No such device or address) [pid 7295] chdir("./179" [pid 5072] close(3 [pid 7295] <... chdir resumed>) = 0 [pid 7291] <... write resumed>) = 4194304 [pid 5072] <... close resumed>) = 0 [pid 7295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7291] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7295] <... prctl resumed>) = 0 [pid 7291] <... munmap resumed>) = 0 [pid 7295] setpgid(0, 0 [pid 7291] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 7296 attached [pid 7295] <... setpgid resumed>) = 0 [pid 7292] <... write resumed>) = 4194304 [pid 7291] <... openat resumed>) = 4 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7296 [pid 7296] chdir("./183" [pid 7295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7293] 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"..., 4194304 [pid 7292] munmap(0x7f8a1b2e3000, 4194304 [pid 7291] ioctl(4, LOOP_SET_FD, 3 [pid 7296] <... chdir resumed>) = 0 [pid 7295] <... openat resumed>) = 3 [pid 7294] 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"..., 4194304 [pid 7292] <... munmap resumed>) = 0 [pid 7291] <... ioctl resumed>) = 0 [pid 7296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7295] write(3, "1000", 4 [pid 7292] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7291] close(3 [pid 7296] <... prctl resumed>) = 0 [pid 7295] <... write resumed>) = 4 [pid 7292] <... openat resumed>) = 4 [pid 7291] <... close resumed>) = 0 [pid 7296] setpgid(0, 0 [pid 7295] close(3 [pid 7292] ioctl(4, LOOP_SET_FD, 3 [pid 7291] mkdir("./file0", 0777 [pid 7296] <... setpgid resumed>) = 0 [pid 7295] <... close resumed>) = 0 [pid 7291] <... mkdir resumed>) = 0 [pid 7296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7295] symlink("/dev/binderfs", "./binderfs" [pid 7292] <... ioctl resumed>) = 0 [pid 7291] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7296] <... openat resumed>) = 3 [pid 7295] <... symlink resumed>) = 0 [pid 7292] close(3 [pid 7296] write(3, "1000", 4 [pid 7295] memfd_create("syzkaller", 0 [pid 7292] <... close resumed>) = 0 [pid 7296] <... write resumed>) = 4 [pid 7295] <... memfd_create resumed>) = 3 [pid 7292] mkdir("./file0", 0777 [pid 7296] close(3 [pid 7295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7292] <... mkdir resumed>) = 0 [pid 7296] <... close resumed>) = 0 [pid 7295] <... mmap resumed>) = 0x7f8a1b2e3000 [ 245.947576][ T7291] loop4: detected capacity change from 0 to 8192 [ 245.957917][ T7292] loop1: detected capacity change from 0 to 8192 [pid 7292] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7296] symlink("/dev/binderfs", "./binderfs" [pid 7293] <... write resumed>) = 4194304 [pid 7296] <... symlink resumed>) = 0 [pid 7296] memfd_create("syzkaller", 0) = 3 [pid 7296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7294] <... write resumed>) = 4194304 [pid 7293] munmap(0x7f8a1b2e3000, 4194304 [pid 7294] munmap(0x7f8a1b2e3000, 4194304 [pid 7293] <... munmap resumed>) = 0 [pid 7294] <... munmap resumed>) = 0 [pid 7293] openat(AT_FDCWD, "/dev/loop5", O_RDWR [ 245.988052][ T7291] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.002077][ T7292] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7296] 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"..., 4194304 [pid 7294] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7293] <... openat resumed>) = 4 [pid 7294] <... openat resumed>) = 4 [pid 7293] ioctl(4, LOOP_SET_FD, 3 [pid 7294] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7294] close(3) = 0 [pid 7294] mkdir("./file0", 0777) = 0 [pid 7294] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7293] <... ioctl resumed>) = 0 [pid 7293] close(3) = 0 [ 246.042731][ T7292] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 246.047612][ T7293] loop5: detected capacity change from 0 to 8192 [ 246.059796][ T7294] loop2: detected capacity change from 0 to 8192 [pid 7296] <... write resumed>) = 4194304 [pid 7293] mkdir("./file0", 0777) = 0 [pid 7293] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7295] 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"..., 4194304 [pid 7296] munmap(0x7f8a1b2e3000, 4194304) = 0 [ 246.081808][ T7294] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.082827][ T7291] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 246.104714][ T7291] REISERFS (device loop4): using ordered data mode [ 246.108927][ T7292] REISERFS (device loop1): using ordered data mode [ 246.117866][ T7291] reiserfs: using flush barriers [ 246.123901][ T7294] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7296] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7296] ioctl(4, LOOP_SET_FD, 3) = 0 [ 246.133225][ T7291] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.134713][ T7293] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.149457][ T7292] reiserfs: using flush barriers [ 246.168757][ T7296] loop3: detected capacity change from 0 to 8192 [ 246.175538][ T7293] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 246.184010][ T7294] REISERFS (device loop2): using ordered data mode [pid 7296] close(3) = 0 [pid 7296] mkdir("./file0", 0777 [pid 7295] <... write resumed>) = 4194304 [pid 7296] <... mkdir resumed>) = 0 [ 246.184782][ T7292] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.191340][ T7294] reiserfs: using flush barriers [ 246.213627][ T7291] REISERFS (device loop4): checking transaction log (loop4) [ 246.215220][ T7294] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.234174][ T7293] REISERFS (device loop5): using ordered data mode [pid 7296] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 246.246098][ T7294] REISERFS (device loop2): checking transaction log (loop2) [ 246.247056][ T7291] REISERFS (device loop4): Using r5 hash to sort names [ 246.254487][ T7292] REISERFS (device loop1): checking transaction log (loop1) [ 246.261100][ T7296] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.268270][ T7293] reiserfs: using flush barriers [pid 7295] munmap(0x7f8a1b2e3000, 4194304) = 0 [ 246.282330][ T7291] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 246.288463][ T7296] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 246.300201][ T7291] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 246.308006][ T7294] REISERFS (device loop2): Using r5 hash to sort names [ 246.317557][ T7296] REISERFS (device loop3): using ordered data mode [ 246.323353][ T7293] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7295] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7291] <... mount resumed>) = 0 [pid 7295] <... openat resumed>) = 4 [pid 7291] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7295] ioctl(4, LOOP_SET_FD, 3 [pid 7291] <... openat resumed>) = 3 [ 246.323708][ T7293] REISERFS (device loop5): checking transaction log (loop5) [ 246.331383][ T7292] REISERFS (device loop1): Using r5 hash to sort names [ 246.346498][ T7296] reiserfs: using flush barriers [ 246.357662][ T7295] loop0: detected capacity change from 0 to 8192 [ 246.362385][ T7294] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7295] <... ioctl resumed>) = 0 [pid 7291] chdir("./file0" [pid 7295] close(3) = 0 [pid 7295] mkdir("./file0", 0777) = 0 [ 246.371653][ T7296] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.384366][ T7292] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 246.400317][ T7293] REISERFS (device loop5): Using r5 hash to sort names [ 246.412934][ T7292] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 246.429578][ T7294] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 246.430838][ T7296] REISERFS (device loop3): checking transaction log (loop3) [pid 7295] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7292] <... mount resumed>) = 0 [pid 7291] <... chdir resumed>) = 0 [pid 7292] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7291] ioctl(4, LOOP_CLR_FD [pid 7294] <... mount resumed>) = 0 [pid 7294] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7294] chdir("./file0") = 0 [pid 7294] ioctl(4, LOOP_CLR_FD) = 0 [pid 7294] close(4 [pid 7292] <... openat resumed>) = 3 [pid 7291] <... ioctl resumed>) = 0 [pid 7294] <... close resumed>) = 0 [pid 7294] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7294] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7292] chdir("./file0" [pid 7291] close(4 [pid 7292] <... chdir resumed>) = 0 [ 246.439431][ T7295] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.460332][ T7296] REISERFS (device loop3): Using r5 hash to sort names [ 246.468377][ T7296] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 246.482061][ T7296] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7291] <... close resumed>) = 0 [pid 7296] <... mount resumed>) = 0 [pid 7292] ioctl(4, LOOP_CLR_FD [pid 7291] mkdir(NULL, 000 [pid 7292] <... ioctl resumed>) = 0 [pid 7291] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7294] <... openat resumed>) = 4 [pid 7292] close(4 [pid 7291] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7294] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7292] <... close resumed>) = 0 [pid 7291] <... openat resumed>) = 4 [pid 7296] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7294] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7292] mkdir(NULL, 000 [pid 7291] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7296] <... openat resumed>) = 3 [pid 7294] mount(NULL, "./bus", NULL, 0, NULL [pid 7293] <... mount resumed>) = 0 [pid 7292] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7291] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7294] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7292] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7291] mount(NULL, "./bus", NULL, 0, NULL [pid 7294] exit_group(0 [pid 7292] <... openat resumed>) = 4 [pid 7291] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7294] <... exit_group resumed>) = ? [pid 7292] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7291] exit_group(0 [pid 7296] chdir("./file0" [pid 7294] +++ exited with 0 +++ [pid 7293] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7292] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7291] <... exit_group resumed>) = ? [pid 7292] mount(NULL, "./bus", NULL, 0, NULL [pid 7291] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7294, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 7292] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7291, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 7296] <... chdir resumed>) = 0 [pid 7293] <... openat resumed>) = 3 [pid 7292] exit_group(0) = ? [pid 5071] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7292] +++ exited with 0 +++ [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7292, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7296] ioctl(4, LOOP_CLR_FD [ 246.491945][ T7293] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 246.505705][ T7293] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 246.515415][ T7295] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 246.525680][ T7295] REISERFS (device loop0): using ordered data mode [ 246.533140][ T7295] reiserfs: using flush barriers [pid 7293] chdir("./file0" [pid 5071] <... openat resumed>) = 3 [pid 7296] <... ioctl resumed>) = 0 [pid 7293] <... chdir resumed>) = 0 [pid 7296] close(4 [pid 7293] ioctl(4, LOOP_CLR_FD [pid 7296] <... close resumed>) = 0 [pid 7293] <... ioctl resumed>) = 0 [pid 7296] mkdir(NULL, 000 [pid 7293] close(4 [pid 7296] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7293] <... close resumed>) = 0 [pid 7296] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7293] mkdir(NULL, 000 [pid 7296] <... openat resumed>) = 4 [pid 7293] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7296] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7293] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7296] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7293] <... openat resumed>) = 4 [pid 7296] mount(NULL, "./bus", NULL, 0, NULL [pid 7293] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7296] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7293] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7296] exit_group(0 [pid 7293] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] fstat(3, [pid 7296] <... exit_group resumed>) = ? [pid 7293] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7296] +++ exited with 0 +++ [pid 7293] exit_group(0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7293] <... exit_group resumed>) = ? [pid 5073] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7296, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5071] getdents64(3, [pid 7293] +++ exited with 0 +++ [pid 5073] <... openat resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7293, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] fstat(3, [pid 5070] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] getdents64(3, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] lstat("./183/binderfs", [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5074] fstat(3, [pid 5073] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] fstat(3, [pid 5071] unlink("./183/binderfs" [pid 5070] fstat(3, [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, [pid 5073] lstat("./185/binderfs", [pid 5070] getdents64(3, [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] getdents64(3, [pid 5070] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] unlink("./185/binderfs" [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... unlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] lstat("./183/binderfs", [pid 5070] lstat("./182/binderfs", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] lstat("./187/binderfs", [pid 5073] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./182/binderfs" [pid 5072] unlink("./183/binderfs" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 246.540423][ T7295] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.580195][ T7295] REISERFS (device loop0): checking transaction log (loop0) [pid 5074] unlink("./187/binderfs" [pid 5072] <... unlink resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 5072] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = 0 [ 246.605729][ T7295] REISERFS (device loop0): Using r5 hash to sort names [ 246.629602][ T7295] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./185/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./185/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./185") = 0 [pid 5073] mkdir("./186", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./183/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5071] rmdir("./183/file0" [pid 5072] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./183/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... rmdir resumed>) = 0 [pid 7295] <... mount resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7295] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... openat resumed>) = 4 [pid 7295] <... openat resumed>) = 3 [pid 5072] fstat(4, [pid 7295] chdir("./file0" [pid 5074] <... umount2 resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [ 246.730973][ T7295] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] close(3 [pid 7295] <... chdir resumed>) = 0 [pid 5074] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(4, [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./183") = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7295] ioctl(4, LOOP_CLR_FD [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(4, [pid 7295] <... ioctl resumed>) = 0 [pid 5074] lstat("./187/file0", [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5071] mkdir("./184", 0777 [pid 5070] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7295] close(4 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... ioctl resumed>) = 0 [pid 5072] close(4 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] lstat("./182/file0", [pid 7295] <... close resumed>) = 0 [pid 5074] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] close(3 [pid 5072] <... close resumed>) = 0 [pid 7295] mkdir(NULL, 000 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5072] rmdir("./183/file0" [pid 7295] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... rmdir resumed>) = 0 [pid 7295] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... openat resumed>) = 4 [pid 5072] getdents64(3, [pid 5071] <... openat resumed>) = 3 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7295] <... openat resumed>) = 4 [pid 5074] fstat(4, [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7303 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7295] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] close(3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7295] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 5072] <... close resumed>) = 0 [pid 7295] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] rmdir("./183" [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7295] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] getdents64(4, [pid 5072] <... rmdir resumed>) = 0 [pid 5071] close(3 [pid 7295] exit_group(0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] mkdir("./184", 0777 [pid 5070] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7295] <... exit_group resumed>) = ? [pid 5074] close(4 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 7295] +++ exited with 0 +++ [pid 5074] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7303 attached [pid 5074] rmdir("./187/file0" [pid 5072] <... openat resumed>) = 3 [pid 7303] chdir("./186" [pid 5074] <... rmdir resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] fstat(4, [pid 7303] <... chdir resumed>) = 0 [pid 5074] getdents64(3, [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7304 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7295, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 7303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7303] <... prctl resumed>) = 0 [pid 5074] close(3 [pid 5072] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7303] setpgid(0, 0 [pid 5074] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7303] <... setpgid resumed>) = 0 [pid 5074] rmdir("./187" [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... rmdir resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7305 [pid 5070] getdents64(4, ./strace-static-x86_64: Process 7304 attached [pid 7303] <... openat resumed>) = 3 [pid 5074] mkdir("./188", 0777 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... openat resumed>) = 3 [pid 7303] write(3, "1000", 4 [pid 5074] <... mkdir resumed>) = 0 [pid 5070] close(4 [pid 5069] fstat(3, [pid 7304] chdir("./184" [pid 7303] <... write resumed>) = 4 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] <... close resumed>) = 0 [pid 7304] <... chdir resumed>) = 0 [pid 7303] close(3 [pid 5074] <... openat resumed>) = 3 [pid 5070] rmdir("./182/file0" [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7305 attached [pid 7304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7303] <... close resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 7305] chdir("./184" [pid 7304] <... prctl resumed>) = 0 [pid 7303] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, [pid 7305] <... chdir resumed>) = 0 [pid 7303] <... symlink resumed>) = 0 [pid 5074] close(3 [pid 7305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7304] setpgid(0, 0 [pid 7303] memfd_create("syzkaller", 0 [pid 5074] <... close resumed>) = 0 [pid 5070] getdents64(3, [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7305] <... prctl resumed>) = 0 [pid 7304] <... setpgid resumed>) = 0 [pid 7303] <... memfd_create resumed>) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7305] setpgid(0, 0 [pid 7304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] close(3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7305] <... setpgid resumed>) = 0 [pid 7303] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7306 [pid 7305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7304] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5069] lstat("./179/binderfs", [pid 7305] <... openat resumed>) = 3 [pid 7304] write(3, "1000", 4 [pid 5070] rmdir("./182" [pid 7305] write(3, "1000", 4 [pid 7304] <... write resumed>) = 4 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7306 attached [pid 7305] <... write resumed>) = 4 [pid 7304] close(3 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] unlink("./179/binderfs" [pid 7306] chdir("./188" [pid 7305] close(3 [pid 7304] <... close resumed>) = 0 [pid 5070] mkdir("./183", 0777 [pid 7306] <... chdir resumed>) = 0 [pid 7305] <... close resumed>) = 0 [pid 7304] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... unlink resumed>) = 0 [pid 7306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7305] symlink("/dev/binderfs", "./binderfs" [pid 7304] <... symlink resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7306] <... prctl resumed>) = 0 [pid 7305] <... symlink resumed>) = 0 [pid 7304] memfd_create("syzkaller", 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7306] setpgid(0, 0 [pid 7305] memfd_create("syzkaller", 0 [pid 7304] <... memfd_create resumed>) = 3 [pid 7306] <... setpgid resumed>) = 0 [pid 7305] <... memfd_create resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 7306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7306] <... openat resumed>) = 3 [pid 7305] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7306] write(3, "1000", 4) = 4 [pid 7306] close(3) = 0 [pid 7306] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7306] memfd_create("syzkaller", 0) = 3 [pid 7306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7304] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7307 ./strace-static-x86_64: Process 7307 attached [pid 7307] chdir("./183") = 0 [pid 7307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7307] setpgid(0, 0) = 0 [pid 7307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7307] write(3, "1000", 4) = 4 [pid 7307] close(3) = 0 [pid 7307] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7307] memfd_create("syzkaller", 0) = 3 [pid 7307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7303] 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"..., 4194304 [pid 7304] 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"..., 4194304 [pid 7305] 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"..., 4194304 [pid 7306] 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"..., 4194304 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./179/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./179/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./179") = 0 [pid 7307] 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"..., 4194304 [pid 5069] mkdir("./180", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 7304] <... write resumed>) = 4194304 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7308 [pid 7304] munmap(0x7f8a1b2e3000, 4194304./strace-static-x86_64: Process 7308 attached [pid 7308] chdir("./180" [pid 7304] <... munmap resumed>) = 0 [pid 7308] <... chdir resumed>) = 0 [pid 7304] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7304] <... openat resumed>) = 4 [pid 7308] setpgid(0, 0 [pid 7304] ioctl(4, LOOP_SET_FD, 3 [pid 7308] <... setpgid resumed>) = 0 [pid 7308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7308] write(3, "1000", 4) = 4 [pid 7308] close(3) = 0 [pid 7308] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7308] memfd_create("syzkaller", 0) = 3 [pid 7308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7306] <... write resumed>) = 4194304 [pid 7306] munmap(0x7f8a1b2e3000, 4194304 [pid 7304] <... ioctl resumed>) = 0 [pid 7304] close(3 [pid 7306] <... munmap resumed>) = 0 [pid 7304] <... close resumed>) = 0 [pid 7306] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7304] mkdir("./file0", 0777 [pid 7306] <... openat resumed>) = 4 [pid 7306] ioctl(4, LOOP_SET_FD, 3 [pid 7304] <... mkdir resumed>) = 0 [pid 7303] <... write resumed>) = 4194304 [pid 7303] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7303] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7303] ioctl(4, LOOP_SET_FD, 3 [pid 7307] <... write resumed>) = 4194304 [pid 7306] <... ioctl resumed>) = 0 [pid 7304] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7307] munmap(0x7f8a1b2e3000, 4194304 [pid 7306] close(3) = 0 [pid 7306] mkdir("./file0", 0777 [pid 7307] <... munmap resumed>) = 0 [pid 7306] <... mkdir resumed>) = 0 [ 247.114888][ T7304] loop2: detected capacity change from 0 to 8192 [ 247.146592][ T7306] loop5: detected capacity change from 0 to 8192 [ 247.154048][ T7303] loop4: detected capacity change from 0 to 8192 [pid 7305] <... write resumed>) = 4194304 [pid 7305] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7305] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7305] ioctl(4, LOOP_SET_FD, 3 [pid 7307] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7306] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7307] <... openat resumed>) = 4 [pid 7307] ioctl(4, LOOP_SET_FD, 3 [pid 7303] <... ioctl resumed>) = 0 [pid 7303] close(3) = 0 [pid 7303] mkdir("./file0", 0777) = 0 [pid 7303] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7305] <... ioctl resumed>) = 0 [pid 7305] close(3) = 0 [pid 7305] mkdir("./file0", 0777) = 0 [pid 7305] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7307] <... ioctl resumed>) = 0 [ 247.167314][ T7304] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.177954][ T7305] loop3: detected capacity change from 0 to 8192 [ 247.190260][ T7304] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 247.199767][ T7307] loop1: detected capacity change from 0 to 8192 [ 247.207884][ T7304] REISERFS (device loop2): using ordered data mode [pid 7307] close(3) = 0 [pid 7307] mkdir("./file0", 0777) = 0 [ 247.208594][ T7303] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.215003][ T7304] reiserfs: using flush barriers [ 247.227413][ T7303] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 247.227512][ T7303] REISERFS (device loop4): using ordered data mode [ 247.232830][ T7306] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.241814][ T7303] reiserfs: using flush barriers [pid 7307] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 247.265224][ T7305] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.279639][ T7304] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.280202][ T7307] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.309091][ T7307] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 247.309686][ T7303] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.318440][ T7307] REISERFS (device loop1): using ordered data mode [ 247.343319][ T7306] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 247.343374][ T7303] REISERFS (device loop4): checking transaction log (loop4) [ 247.356278][ T7305] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 247.364562][ T7303] REISERFS (device loop4): Using r5 hash to sort names [ 247.376920][ T7304] REISERFS (device loop2): checking transaction log (loop2) [ 247.379608][ T7307] reiserfs: using flush barriers [ 247.385255][ T7304] REISERFS (device loop2): Using r5 hash to sort names [ 247.390937][ T7303] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7308] 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"..., 4194304 [pid 7304] <... mount resumed>) = 0 [ 247.396515][ T7304] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 247.410385][ T7306] REISERFS (device loop5): using ordered data mode [ 247.421927][ T7304] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 247.435971][ T7305] REISERFS (device loop3): using ordered data mode [ 247.438918][ T7307] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.449586][ T7305] reiserfs: using flush barriers [pid 7304] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7304] chdir("./file0") = 0 [pid 7304] ioctl(4, LOOP_CLR_FD) = 0 [pid 7304] close(4) = 0 [pid 7304] mkdir(NULL, 000 [pid 7308] <... write resumed>) = 4194304 [pid 7308] munmap(0x7f8a1b2e3000, 4194304 [pid 7304] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7308] <... munmap resumed>) = 0 [pid 7308] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 247.465382][ T7307] REISERFS (device loop1): checking transaction log (loop1) [ 247.486354][ T7307] REISERFS (device loop1): Using r5 hash to sort names [ 247.491246][ T7303] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 247.503214][ T7307] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7308] ioctl(4, LOOP_SET_FD, 3 [pid 7304] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7307] <... mount resumed>) = 0 [pid 7304] <... openat resumed>) = 4 [pid 7303] <... mount resumed>) = 0 [pid 7303] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7303] chdir("./file0") = 0 [pid 7303] ioctl(4, LOOP_CLR_FD) = 0 [pid 7303] close(4) = 0 [pid 7303] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7303] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7303] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7303] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7303] exit_group(0) = ? [pid 7303] +++ exited with 0 +++ [pid 7308] <... ioctl resumed>) = 0 [pid 7308] close(3) = 0 [pid 7308] mkdir("./file0", 0777 [pid 7304] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7303, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 7308] <... mkdir resumed>) = 0 [ 247.506952][ T7308] loop0: detected capacity change from 0 to 8192 [ 247.517381][ T7307] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 247.524127][ T7306] reiserfs: using flush barriers [ 247.534482][ T7305] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7308] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7307] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7304] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7304] mount(NULL, "./bus", NULL, 0, NULL [pid 7307] <... openat resumed>) = 3 [pid 7304] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7304] exit_group(0 [pid 7307] chdir("./file0" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7304] <... exit_group resumed>) = ? [pid 5073] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7307] <... chdir resumed>) = 0 [pid 7304] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7304, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5073] <... openat resumed>) = 3 [pid 7307] ioctl(4, LOOP_CLR_FD [pid 5071] <... restart_syscall resumed>) = 0 [pid 7307] <... ioctl resumed>) = 0 [pid 5073] fstat(3, [pid 7307] close(4 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7307] <... close resumed>) = 0 [pid 5071] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7307] mkdir(NULL, 000 [pid 5073] getdents64(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7307] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7307] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./184/binderfs") = 0 [ 247.556426][ T7306] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.581457][ T7305] REISERFS (device loop3): checking transaction log (loop3) [ 247.591368][ T7308] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.603767][ T7306] REISERFS (device loop5): checking transaction log (loop5) [pid 5071] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7307] <... openat resumed>) = 4 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7307] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] lstat("./186/binderfs", [pid 7307] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7307] mount(NULL, "./bus", NULL, 0, NULL [ 247.614546][ T7308] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 247.616186][ T7306] REISERFS (device loop5): Using r5 hash to sort names [ 247.624551][ T7308] REISERFS (device loop0): using ordered data mode [ 247.631807][ T7305] REISERFS (device loop3): Using r5 hash to sort names [ 247.638109][ T7308] reiserfs: using flush barriers [ 247.656848][ T7306] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] unlink("./186/binderfs" [pid 7307] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7305] <... mount resumed>) = 0 [pid 5073] <... unlink resumed>) = 0 [pid 7307] exit_group(0 [pid 7305] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 247.666558][ T7305] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 247.669703][ T7306] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 247.682430][ T7308] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.691718][ T7305] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7307] <... exit_group resumed>) = ? [pid 7305] <... openat resumed>) = 3 [pid 7307] +++ exited with 0 +++ [pid 7305] chdir("./file0" [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7307, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 7305] <... chdir resumed>) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7305] ioctl(4, LOOP_CLR_FD) = 0 [pid 5070] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7305] close(4 [pid 5070] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7306] <... mount resumed>) = 0 [pid 7305] <... close resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5070] fstat(3, [pid 7306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7305] mkdir(NULL, 000 [pid 5073] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7306] <... openat resumed>) = 3 [pid 7305] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 7306] chdir("./file0" [ 247.743274][ T7308] REISERFS (device loop0): checking transaction log (loop0) [ 247.769432][ T7308] REISERFS (device loop0): Using r5 hash to sort names [pid 7305] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] lstat("./186/file0", [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7308] <... mount resumed>) = 0 [pid 7306] <... chdir resumed>) = 0 [pid 7305] <... openat resumed>) = 4 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7308] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7306] ioctl(4, LOOP_CLR_FD [pid 7305] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7308] <... openat resumed>) = 3 [pid 7306] <... ioctl resumed>) = 0 [pid 7305] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7308] chdir("./file0" [pid 7306] close(4 [pid 7305] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] lstat("./184/file0", [pid 5070] lstat("./183/binderfs", [pid 7308] <... chdir resumed>) = 0 [pid 7306] <... close resumed>) = 0 [pid 7305] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... openat resumed>) = 4 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7308] ioctl(4, LOOP_CLR_FD [pid 7306] mkdir(NULL, 000 [pid 7305] exit_group(0 [pid 5073] fstat(4, [pid 5071] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./183/binderfs" [pid 7308] <... ioctl resumed>) = 0 [pid 7306] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7305] <... exit_group resumed>) = ? [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7308] close(4 [pid 7306] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7305] +++ exited with 0 +++ [pid 5073] getdents64(4, [pid 5071] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... unlink resumed>) = 0 [pid 7308] <... close resumed>) = 0 [pid 7306] <... openat resumed>) = 4 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7305, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5071] <... openat resumed>) = 4 [pid 5070] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7308] mkdir(NULL, 000 [pid 7306] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] getdents64(4, [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5071] fstat(4, [pid 7308] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7306] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7308] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7306] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] close(4 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5071] getdents64(4, [pid 7308] <... openat resumed>) = 4 [pid 7306] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7308] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7306] exit_group(0 [pid 5073] rmdir("./186/file0" [pid 5071] getdents64(4, [pid 7308] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7306] <... exit_group resumed>) = ? [pid 5073] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7308] mount(NULL, "./bus", NULL, 0, NULL [pid 7306] +++ exited with 0 +++ [pid 5073] getdents64(3, [pid 5072] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] close(4 [pid 7308] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7306, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... close resumed>) = 0 [pid 7308] exit_group(0 [pid 5073] close(3 [pid 5072] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] rmdir("./184/file0" [pid 7308] <... exit_group resumed>) = ? [pid 5073] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... rmdir resumed>) = 0 [pid 7308] +++ exited with 0 +++ [pid 5073] rmdir("./186" [pid 5072] fstat(3, [pid 5071] getdents64(3, [pid 5073] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7308, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5073] mkdir("./187", 0777 [pid 5071] close(3 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5074] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... mkdir resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 247.784479][ T7308] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 247.797572][ T7308] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] getdents64(3, [pid 5071] rmdir("./184" [pid 5074] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... rmdir resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5072] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] mkdir("./185", 0777 [pid 5069] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] close(3 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] fstat(3, [pid 5073] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] lstat("./184/binderfs", [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] fstat(3, [pid 5074] getdents64(3, [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7315 [pid 5072] unlink("./184/binderfs" [pid 5071] close(3 [pid 5069] getdents64(3, [pid 5074] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... unlink resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./188/binderfs", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7316 [pid 5069] lstat("./180/binderfs", [pid 5074] unlink("./188/binderfs" [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./180/binderfs" [pid 5074] <... unlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7315 attached [pid 5069] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7315] chdir("./187" [pid 5074] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7315] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 7316 attached [pid 7315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7316] chdir("./185" [pid 7315] <... prctl resumed>) = 0 [pid 7316] <... chdir resumed>) = 0 [pid 7315] setpgid(0, 0 [pid 7316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7315] <... setpgid resumed>) = 0 [pid 7316] <... prctl resumed>) = 0 [pid 7315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7316] setpgid(0, 0 [pid 7315] <... openat resumed>) = 3 [pid 7316] <... setpgid resumed>) = 0 [pid 7315] write(3, "1000", 4 [pid 7316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7315] <... write resumed>) = 4 [pid 7316] <... openat resumed>) = 3 [pid 7315] close(3 [pid 7316] write(3, "1000", 4 [pid 7315] <... close resumed>) = 0 [pid 7316] <... write resumed>) = 4 [pid 7316] close(3 [pid 7315] symlink("/dev/binderfs", "./binderfs" [pid 7316] <... close resumed>) = 0 [pid 7315] <... symlink resumed>) = 0 [pid 7316] symlink("/dev/binderfs", "./binderfs" [pid 7315] memfd_create("syzkaller", 0 [pid 7316] <... symlink resumed>) = 0 [pid 7315] <... memfd_create resumed>) = 3 [pid 7316] memfd_create("syzkaller", 0 [pid 7315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7316] <... memfd_create resumed>) = 3 [pid 7315] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./184/file0", [pid 5070] lstat("./183/file0", [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7315] 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"..., 4194304 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 7316] 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"..., 4194304 [pid 5072] <... openat resumed>) = 4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... openat resumed>) = 4 [pid 5069] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(4, [pid 5070] fstat(4, [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(4 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... close resumed>) = 0 [pid 5069] lstat("./180/file0", [pid 5072] rmdir("./184/file0" [pid 5070] getdents64(4, [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(3, [pid 5070] getdents64(4, [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(3 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... close resumed>) = 0 [pid 5070] close(4 [pid 5069] <... openat resumed>) = 4 [pid 5072] rmdir("./184" [pid 5070] <... close resumed>) = 0 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5070] rmdir("./183/file0" [pid 5069] getdents64(4, [pid 5072] mkdir("./185", 0777 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] getdents64(4, [pid 5072] <... mkdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5072] <... openat resumed>) = 3 [pid 5070] close(3 [pid 5069] <... close resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] <... close resumed>) = 0 [pid 5069] rmdir("./180/file0" [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] rmdir("./183" [pid 5069] <... rmdir resumed>) = 0 [pid 5072] close(3 [pid 5069] getdents64(3, [pid 5072] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] mkdir("./184", 0777 [pid 5069] close(3 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7317 [pid 5069] rmdir("./180" [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] mkdir("./181", 0777 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7317 attached [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7317] chdir("./185" [pid 5070] close(3 [pid 5069] <... openat resumed>) = 3 [pid 7317] <... chdir resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... close resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7317] <... prctl resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] close(3 [pid 7317] setpgid(0, 0 [pid 5069] <... close resumed>) = 0 [pid 7317] <... setpgid resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7318 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7319 ./strace-static-x86_64: Process 7318 attached [pid 7317] write(3, "1000", 4 [pid 5074] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7318] chdir("./184" [pid 7317] <... write resumed>) = 4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7317] close(3) = 0 [pid 5074] lstat("./188/file0", ./strace-static-x86_64: Process 7319 attached [pid 7318] <... chdir resumed>) = 0 [pid 7317] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7319] chdir("./181" [pid 7318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7317] <... symlink resumed>) = 0 [pid 5074] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7319] <... chdir resumed>) = 0 [pid 7318] <... prctl resumed>) = 0 [pid 7317] memfd_create("syzkaller", 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7318] setpgid(0, 0 [pid 7317] <... memfd_create resumed>) = 3 [pid 5074] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7319] <... prctl resumed>) = 0 [pid 7318] <... setpgid resumed>) = 0 [pid 7317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7319] setpgid(0, 0 [pid 7318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7317] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... openat resumed>) = 4 [pid 7319] <... setpgid resumed>) = 0 [pid 7318] <... openat resumed>) = 3 [pid 5074] fstat(4, [pid 7319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7318] write(3, "1000", 4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7319] <... openat resumed>) = 3 [pid 7318] <... write resumed>) = 4 [pid 5074] getdents64(4, [pid 7319] write(3, "1000", 4 [pid 7318] close(3 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7319] <... write resumed>) = 4 [pid 7318] <... close resumed>) = 0 [pid 5074] getdents64(4, [pid 7319] close(3 [pid 7318] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7319] <... close resumed>) = 0 [pid 7319] symlink("/dev/binderfs", "./binderfs" [pid 7318] <... symlink resumed>) = 0 [pid 5074] close(4 [pid 7319] <... symlink resumed>) = 0 [pid 7318] memfd_create("syzkaller", 0 [pid 5074] <... close resumed>) = 0 [pid 7319] memfd_create("syzkaller", 0 [pid 7318] <... memfd_create resumed>) = 3 [pid 5074] rmdir("./188/file0" [pid 7319] <... memfd_create resumed>) = 3 [pid 7318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... rmdir resumed>) = 0 [pid 7318] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7319] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7316] <... write resumed>) = 4194304 [pid 5074] getdents64(3, [pid 7316] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7316] <... munmap resumed>) = 0 [pid 5074] close(3 [pid 7316] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5074] <... close resumed>) = 0 [pid 7316] <... openat resumed>) = 4 [pid 5074] rmdir("./188" [pid 7316] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... rmdir resumed>) = 0 [pid 5074] mkdir("./189", 0777) = 0 [pid 7316] <... ioctl resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 7316] close(3 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 7316] <... close resumed>) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7316] mkdir("./file0", 0777 [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7320 [pid 7316] <... mkdir resumed>) = 0 [pid 7316] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7320 attached [pid 7320] chdir("./189") = 0 [pid 7320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7317] 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"..., 4194304 [pid 7320] setpgid(0, 0 [pid 7315] <... write resumed>) = 4194304 [pid 7320] <... setpgid resumed>) = 0 [pid 7315] munmap(0x7f8a1b2e3000, 4194304 [ 248.151134][ T7316] loop2: detected capacity change from 0 to 8192 [pid 7320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7320] write(3, "1000", 4) = 4 [pid 7320] close(3) = 0 [pid 7320] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7320] memfd_create("syzkaller", 0) = 3 [pid 7320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7319] 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"..., 4194304 [pid 7318] 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"..., 4194304 [pid 7315] <... munmap resumed>) = 0 [pid 7315] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 248.195202][ T7316] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.216826][ T7316] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 248.222124][ T7315] loop4: detected capacity change from 0 to 8192 [ 248.233994][ T7316] REISERFS (device loop2): using ordered data mode [pid 7315] ioctl(4, LOOP_SET_FD, 3 [pid 7318] <... write resumed>) = 4194304 [pid 7315] <... ioctl resumed>) = 0 [pid 7318] munmap(0x7f8a1b2e3000, 4194304 [pid 7315] close(3 [pid 7318] <... munmap resumed>) = 0 [pid 7318] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7315] <... close resumed>) = 0 [pid 7318] <... openat resumed>) = 4 [pid 7315] mkdir("./file0", 0777 [pid 7318] ioctl(4, LOOP_SET_FD, 3 [pid 7315] <... mkdir resumed>) = 0 [pid 7318] <... ioctl resumed>) = 0 [pid 7317] <... write resumed>) = 4194304 [pid 7315] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7318] close(3) = 0 [pid 7318] mkdir("./file0", 0777) = 0 [pid 7317] munmap(0x7f8a1b2e3000, 4194304 [pid 7318] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7317] <... munmap resumed>) = 0 [pid 7317] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 248.259930][ T7316] reiserfs: using flush barriers [ 248.279570][ T7318] loop1: detected capacity change from 0 to 8192 [ 248.280070][ T7316] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.312644][ T7315] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.327091][ T7318] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.340624][ T7317] loop3: detected capacity change from 0 to 8192 [ 248.346993][ T7316] REISERFS (device loop2): checking transaction log (loop2) [ 248.349095][ T7319] loop0: detected capacity change from 0 to 8192 [pid 7317] ioctl(4, LOOP_SET_FD, 3 [pid 7319] <... write resumed>) = 4194304 [pid 7319] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7319] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7319] close(3) = 0 [pid 7319] mkdir("./file0", 0777) = 0 [pid 7319] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7320] 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"..., 4194304 [pid 7317] <... ioctl resumed>) = 0 [ 248.355321][ T7316] REISERFS (device loop2): Using r5 hash to sort names [ 248.367859][ T7315] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 248.372452][ T7316] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.378822][ T7315] REISERFS (device loop4): using ordered data mode [ 248.396449][ T7315] reiserfs: using flush barriers [pid 7317] close(3) = 0 [pid 7317] mkdir("./file0", 0777) = 0 [ 248.397163][ T7319] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.402457][ T7318] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 248.414484][ T7315] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.423629][ T7318] REISERFS (device loop1): using ordered data mode [ 248.446266][ T7318] reiserfs: using flush barriers [ 248.452943][ T7316] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7317] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7320] <... write resumed>) = 4194304 [pid 7316] <... mount resumed>) = 0 [pid 7320] munmap(0x7f8a1b2e3000, 4194304 [pid 7316] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7320] <... munmap resumed>) = 0 [pid 7316] <... openat resumed>) = 3 [pid 7320] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7316] chdir("./file0" [pid 7320] <... openat resumed>) = 4 [pid 7316] <... chdir resumed>) = 0 [ 248.460509][ T7318] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.479366][ T7317] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.487507][ T7319] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 248.501940][ T7319] REISERFS (device loop0): using ordered data mode [pid 7320] ioctl(4, LOOP_SET_FD, 3 [pid 7316] ioctl(4, LOOP_CLR_FD) = 0 [pid 7316] close(4) = 0 [pid 7316] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7316] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7316] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7316] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7316] exit_group(0) = ? [pid 7316] +++ exited with 0 +++ [pid 7320] <... ioctl resumed>) = 0 [pid 7320] close(3) = 0 [pid 7320] mkdir("./file0", 0777) = 0 [ 248.509470][ T7319] reiserfs: using flush barriers [ 248.509996][ T7320] loop5: detected capacity change from 0 to 8192 [ 248.515707][ T7317] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 248.526550][ T7319] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.530890][ T7317] REISERFS (device loop3): using ordered data mode [ 248.554876][ T7318] REISERFS (device loop1): checking transaction log (loop1) [pid 7320] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7316, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [ 248.559719][ T7317] reiserfs: using flush barriers [ 248.564357][ T7315] REISERFS (device loop4): checking transaction log (loop4) [ 248.569322][ T7319] REISERFS (device loop0): checking transaction log (loop0) [ 248.582451][ T7317] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.594246][ T7315] REISERFS (device loop4): Using r5 hash to sort names [ 248.599750][ T7317] REISERFS (device loop3): checking transaction log (loop3) [ 248.606852][ T7320] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.613968][ T7315] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.638855][ T7315] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 248.640517][ T7318] REISERFS (device loop1): Using r5 hash to sort names [ 248.653852][ T7320] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7315] <... mount resumed>) = 0 [pid 7315] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7315] chdir("./file0") = 0 [pid 7315] ioctl(4, LOOP_CLR_FD) = 0 [pid 7315] close(4) = 0 [pid 7315] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7315] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7315] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7315] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7315] exit_group(0) = ? [pid 7315] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7315, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5071] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, [pid 5073] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... openat resumed>) = 3 [pid 5071] lstat("./185/binderfs", [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] unlink("./185/binderfs" [pid 5073] lstat("./187/binderfs", [pid 5071] <... unlink resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] unlink("./187/binderfs") = 0 [ 248.656075][ T7317] REISERFS (device loop3): Using r5 hash to sort names [ 248.664736][ T7320] REISERFS (device loop5): using ordered data mode [ 248.677644][ T7319] REISERFS (device loop0): Using r5 hash to sort names [ 248.684743][ T7319] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.698469][ T7320] reiserfs: using flush barriers [ 248.704643][ T7319] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7319] <... mount resumed>) = 0 [pid 7319] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7319] chdir("./file0" [pid 5073] <... umount2 resumed>) = 0 [pid 7319] <... chdir resumed>) = 0 [pid 5073] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7319] ioctl(4, LOOP_CLR_FD [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7319] <... ioctl resumed>) = 0 [pid 5073] lstat("./187/file0", [pid 7319] close(4 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7319] <... close resumed>) = 0 [ 248.713832][ T7320] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.730979][ T7318] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.734480][ T7320] REISERFS (device loop5): checking transaction log (loop5) [pid 5073] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7319] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7319] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7319] <... openat resumed>) = 4 [pid 5073] <... openat resumed>) = 4 [pid 7319] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] fstat(4, [pid 7319] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7319] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./185/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7319] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] getdents64(4, [pid 7319] exit_group(0) = ? [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7319] +++ exited with 0 +++ [pid 5073] getdents64(4, [pid 5071] <... openat resumed>) = 4 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] fstat(4, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7319, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5073] close(4 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 248.787348][ T7317] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 248.812650][ T7320] REISERFS (device loop5): Using r5 hash to sort names [ 248.820051][ T7318] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] <... close resumed>) = 0 [pid 5071] getdents64(4, [pid 7318] <... mount resumed>) = 0 [pid 7317] <... mount resumed>) = 0 [pid 5073] rmdir("./187/file0" [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7317] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] <... rmdir resumed>) = 0 [pid 7318] <... openat resumed>) = 3 [pid 7317] <... openat resumed>) = 3 [pid 5073] getdents64(3, [pid 7318] chdir("./file0" [pid 7317] chdir("./file0" [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7318] <... chdir resumed>) = 0 [pid 7317] <... chdir resumed>) = 0 [pid 5073] close(3 [pid 7318] ioctl(4, LOOP_CLR_FD [pid 7317] ioctl(4, LOOP_CLR_FD [pid 5073] <... close resumed>) = 0 [pid 7318] <... ioctl resumed>) = 0 [pid 7317] <... ioctl resumed>) = 0 [pid 5073] rmdir("./187" [pid 7318] close(4 [pid 7317] close(4 [pid 5073] <... rmdir resumed>) = 0 [pid 7318] <... close resumed>) = 0 [pid 7317] <... close resumed>) = 0 [pid 5073] mkdir("./188", 0777 [pid 7318] mkdir(NULL, 000 [pid 7317] mkdir(NULL, 000 [pid 5073] <... mkdir resumed>) = 0 [pid 7318] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7317] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7318] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7317] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... openat resumed>) = 3 [pid 7318] <... openat resumed>) = 4 [pid 7317] <... openat resumed>) = 4 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5071] getdents64(4, [pid 7318] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7317] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7318] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7317] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] close(3 [pid 7318] mount(NULL, "./bus", NULL, 0, NULL [pid 7317] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... close resumed>) = 0 [pid 5071] close(4 [pid 7318] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7317] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 7318] exit_group(0 [pid 7317] exit_group(0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] rmdir("./185/file0" [pid 7318] <... exit_group resumed>) = ? [pid 7317] <... exit_group resumed>) = ? [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7327 [pid 5069] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7318] +++ exited with 0 +++ [pid 7317] +++ exited with 0 +++ [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7317, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5071] getdents64(3, [pid 5069] fstat(3, [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7318, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5071] close(3 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] getdents64(3, [pid 5071] <... close resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] rmdir("./185" [pid 5072] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [ 248.845399][ T7317] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 248.847277][ T7320] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5069] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7327 attached [pid 5072] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] mkdir("./186", 0777 [pid 5070] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] lstat("./181/binderfs", [pid 5072] <... openat resumed>) = 3 [pid 7327] chdir("./188" [pid 7320] <... mount resumed>) = 0 [pid 5072] fstat(3, [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7327] <... chdir resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] fstat(3, [pid 5069] unlink("./181/binderfs" [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 7327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] getdents64(3, [pid 7327] <... prctl resumed>) = 0 [pid 5069] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7327] setpgid(0, 0 [pid 5072] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7327] <... setpgid resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] close(3 [pid 5070] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] lstat("./185/binderfs", [pid 5071] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7327] <... openat resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] lstat("./184/binderfs", [pid 7327] write(3, "1000", 4 [pid 5072] unlink("./185/binderfs" [pid 7327] <... write resumed>) = 4 [pid 5072] <... unlink resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7327] close(3 [pid 5072] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7328 [pid 5070] unlink("./184/binderfs" [pid 7327] <... close resumed>) = 0 [pid 7327] symlink("/dev/binderfs", "./binderfs" [pid 7320] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... unlink resumed>) = 0 [pid 7327] <... symlink resumed>) = 0 [pid 7320] <... openat resumed>) = 3 [pid 5070] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7327] memfd_create("syzkaller", 0) = 3 [ 248.892841][ T7320] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7328 attached ) = 0x7f8a1b2e3000 [pid 7328] chdir("./186") = 0 [pid 7328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7328] setpgid(0, 0) = 0 [pid 7328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7328] write(3, "1000", 4) = 4 [pid 7328] close(3) = 0 [pid 7328] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7328] memfd_create("syzkaller", 0) = 3 [pid 7328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7320] chdir("./file0" [pid 7328] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7320] <... chdir resumed>) = 0 [pid 7320] ioctl(4, LOOP_CLR_FD) = 0 [pid 7320] close(4) = 0 [pid 7320] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7320] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7320] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7320] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7320] exit_group(0) = ? [pid 7320] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7320, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5074] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./189/binderfs") = 0 [pid 5074] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5074] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./189/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, [pid 7328] 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"..., 4194304 [pid 7327] 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"..., 4194304 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./189/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 5072] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] rmdir("./189" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./185/file0", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... rmdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] lstat("./184/file0", [pid 5074] mkdir("./190", 0777 [pid 5072] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] lstat("./181/file0", [pid 5074] <... mkdir resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] fstat(4, [pid 5070] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5069] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] fstat(4, [pid 5072] getdents64(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(4, [pid 5069] <... openat resumed>) = 4 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5072] close(4 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] fstat(4, [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... close resumed>) = 0 [pid 5070] close(4 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] close(3 [pid 5072] rmdir("./185/file0" [pid 5070] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5074] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./181/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... rmdir resumed>) = 0 [pid 5070] rmdir("./184/file0" [pid 5069] <... close resumed>) = 0 [pid 5072] getdents64(3, [pid 5069] rmdir("./181" [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7329 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5072] close(3 [pid 5070] getdents64(3, [pid 5069] mkdir("./182", 0777 [pid 5072] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5072] rmdir("./185" [pid 5070] close(3 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 7329 attached [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 7329] chdir("./190" [pid 5072] mkdir("./186", 0777 [pid 5070] rmdir("./184" [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7329] <... chdir resumed>) = 0 [pid 7327] <... write resumed>) = 4194304 [pid 5072] <... mkdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7327] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5070] mkdir("./185", 0777 [pid 5069] close(3 [pid 7329] <... prctl resumed>) = 0 [pid 7327] <... munmap resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 7329] setpgid(0, 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7329] <... setpgid resumed>) = 0 [pid 7329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7330 [pid 7329] <... openat resumed>) = 3 [pid 7329] write(3, "1000", 4) = 4 [pid 7329] close(3) = 0 [pid 7329] symlink("/dev/binderfs", "./binderfs" [pid 7327] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7330 attached [pid 7329] <... symlink resumed>) = 0 [pid 7327] <... openat resumed>) = 4 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... openat resumed>) = 3 [pid 7330] chdir("./182" [pid 7329] memfd_create("syzkaller", 0 [pid 7327] ioctl(4, LOOP_SET_FD, 3 [pid 5072] close(3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7330] <... chdir resumed>) = 0 [pid 7329] <... memfd_create resumed>) = 3 [pid 7330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7330] <... prctl resumed>) = 0 [pid 7329] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7330] setpgid(0, 0 [pid 5072] <... close resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7330] <... setpgid resumed>) = 0 [pid 7327] <... ioctl resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] close(3 [pid 7330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7327] close(3 [pid 7330] <... openat resumed>) = 3 [pid 7327] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 7330] write(3, "1000", 4 [pid 7327] mkdir("./file0", 0777 [pid 7330] <... write resumed>) = 4 [pid 7330] close(3) = 0 [pid 7330] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7330] memfd_create("syzkaller", 0) = 3 [pid 7330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7330] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7327] <... mkdir resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7331 [pid 7327] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7332 ./strace-static-x86_64: Process 7332 attached ./strace-static-x86_64: Process 7331 attached [pid 7332] chdir("./185") = 0 [pid 7332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7331] chdir("./186" [pid 7332] <... prctl resumed>) = 0 [ 249.161973][ T7327] loop4: detected capacity change from 0 to 8192 [pid 7332] setpgid(0, 0) = 0 [pid 7332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7332] write(3, "1000", 4) = 4 [pid 7332] close(3) = 0 [pid 7332] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7332] memfd_create("syzkaller", 0) = 3 [pid 7332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7331] <... chdir resumed>) = 0 [pid 7329] 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"..., 4194304 [pid 7331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7331] setpgid(0, 0) = 0 [pid 7331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 249.218152][ T7327] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7331] write(3, "1000", 4) = 4 [pid 7328] <... write resumed>) = 4194304 [pid 7331] close(3 [pid 7328] munmap(0x7f8a1b2e3000, 4194304 [pid 7331] <... close resumed>) = 0 [pid 7328] <... munmap resumed>) = 0 [pid 7331] symlink("/dev/binderfs", "./binderfs" [pid 7328] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7331] <... symlink resumed>) = 0 [pid 7328] <... openat resumed>) = 4 [pid 7331] memfd_create("syzkaller", 0 [ 249.261293][ T7327] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 249.271764][ T7327] REISERFS (device loop4): using ordered data mode [ 249.278725][ T7327] reiserfs: using flush barriers [ 249.284899][ T7327] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.302873][ T7327] REISERFS (device loop4): checking transaction log (loop4) [pid 7328] ioctl(4, LOOP_SET_FD, 3 [pid 7331] <... memfd_create resumed>) = 3 [pid 7331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7330] 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"..., 4194304 [pid 7327] <... mount resumed>) = 0 [pid 7328] <... ioctl resumed>) = 0 [pid 7327] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7328] close(3 [pid 7327] <... openat resumed>) = 3 [pid 7328] <... close resumed>) = 0 [pid 7327] chdir("./file0" [pid 7328] mkdir("./file0", 0777 [pid 7327] <... chdir resumed>) = 0 [pid 7328] <... mkdir resumed>) = 0 [pid 7327] ioctl(4, LOOP_CLR_FD [pid 7328] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7327] <... ioctl resumed>) = 0 [pid 7327] close(4 [pid 7329] <... write resumed>) = 4194304 [pid 7327] <... close resumed>) = 0 [pid 7329] munmap(0x7f8a1b2e3000, 4194304 [ 249.307167][ T7328] loop2: detected capacity change from 0 to 8192 [ 249.311140][ T7327] REISERFS (device loop4): Using r5 hash to sort names [ 249.324176][ T7327] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 249.337690][ T7327] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7327] mkdir(NULL, 000 [pid 7332] 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"..., 4194304 [pid 7331] 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"..., 4194304 [pid 7329] <... munmap resumed>) = 0 [pid 7327] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7327] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7329] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7327] <... openat resumed>) = 4 [pid 7329] <... openat resumed>) = 4 [pid 7327] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7329] ioctl(4, LOOP_SET_FD, 3 [pid 7327] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7327] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7327] exit_group(0) = ? [ 249.382820][ T7328] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.401656][ T7328] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 249.412832][ T7329] loop5: detected capacity change from 0 to 8192 [ 249.414287][ T7328] REISERFS (device loop2): using ordered data mode [pid 7327] +++ exited with 0 +++ [pid 7329] <... ioctl resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7327, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7329] close(3) = 0 [pid 7329] mkdir("./file0", 0777 [pid 5073] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7329] <... mkdir resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7329] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... openat resumed>) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./188/binderfs") = 0 [ 249.429237][ T7328] reiserfs: using flush barriers [pid 5073] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 249.454159][ T7329] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.481142][ T7328] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7330] <... write resumed>) = 4194304 [pid 7332] <... write resumed>) = 4194304 [pid 5073] <... umount2 resumed>) = 0 [pid 7332] munmap(0x7f8a1b2e3000, 4194304 [pid 7330] munmap(0x7f8a1b2e3000, 4194304 [pid 7332] <... munmap resumed>) = 0 [pid 5073] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7332] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7330] <... munmap resumed>) = 0 [pid 7330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7330] ioctl(4, LOOP_SET_FD, 3 [pid 7332] <... openat resumed>) = 4 [pid 5073] lstat("./188/file0", [pid 7332] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 249.494980][ T7329] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 249.507053][ T7329] REISERFS (device loop5): using ordered data mode [ 249.513709][ T7329] reiserfs: using flush barriers [ 249.521485][ T7329] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.529250][ T7330] loop0: detected capacity change from 0 to 8192 [ 249.545070][ T7332] loop1: detected capacity change from 0 to 8192 [pid 5073] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7332] <... ioctl resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7332] close(3 [pid 5073] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7332] <... close resumed>) = 0 [pid 7331] <... write resumed>) = 4194304 [pid 7332] mkdir("./file0", 0777) = 0 [pid 5073] <... openat resumed>) = 4 [pid 7332] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7330] <... ioctl resumed>) = 0 [pid 7330] close(3) = 0 [pid 7330] mkdir("./file0", 0777 [pid 5073] fstat(4, [pid 7330] <... mkdir resumed>) = 0 [pid 7329] <... mount resumed>) = 0 [pid 7330] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 249.551626][ T7329] REISERFS (device loop5): checking transaction log (loop5) [ 249.560223][ T7329] REISERFS (device loop5): Using r5 hash to sort names [ 249.567716][ T7329] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 249.580950][ T7329] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 249.591178][ T7328] REISERFS (device loop2): checking transaction log (loop2) [pid 7329] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] getdents64(4, [pid 7329] <... openat resumed>) = 3 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7331] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7331] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7331] ioctl(4, LOOP_SET_FD, 3 [pid 7329] chdir("./file0" [pid 5073] getdents64(4, [pid 7329] <... chdir resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [ 249.600322][ T7328] REISERFS (device loop2): Using r5 hash to sort names [ 249.608224][ T7328] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 249.615887][ T7331] loop3: detected capacity change from 0 to 8192 [ 249.621511][ T7332] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.640784][ T7330] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7329] ioctl(4, LOOP_CLR_FD [pid 5073] close(4 [pid 7329] <... ioctl resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 7329] close(4 [pid 5073] rmdir("./188/file0" [pid 7329] <... close resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 7329] mkdir(NULL, 000 [pid 5073] getdents64(3, [pid 7329] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7329] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] close(3 [pid 7329] <... openat resumed>) = 4 [pid 5073] <... close resumed>) = 0 [pid 7329] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] rmdir("./188" [pid 7329] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... rmdir resumed>) = 0 [pid 7329] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] mkdir("./189", 0777 [pid 7329] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... mkdir resumed>) = 0 [pid 7329] exit_group(0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7329] <... exit_group resumed>) = ? [pid 5073] <... openat resumed>) = 3 [pid 7329] +++ exited with 0 +++ [pid 7328] <... mount resumed>) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [ 249.640895][ T7328] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 249.662997][ T7332] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 249.672965][ T7332] REISERFS (device loop1): using ordered data mode [ 249.680456][ T7332] reiserfs: using flush barriers [ 249.693247][ T7330] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7328] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7328] <... openat resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7329, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5073] close(3 [pid 5074] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7338 [pid 7331] <... ioctl resumed>) = 0 [pid 7328] chdir("./file0" [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./190/binderfs") = 0 ./strace-static-x86_64: Process 7338 attached [pid 7331] close(3 [pid 7328] <... chdir resumed>) = 0 [pid 5074] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7328] ioctl(4, LOOP_CLR_FD) = 0 [pid 7328] close(4) = 0 [pid 7328] mkdir(NULL, 000) = -1 EFAULT (Bad address) [ 249.702718][ T7330] REISERFS (device loop0): using ordered data mode [ 249.709910][ T7330] reiserfs: using flush barriers [ 249.718194][ T7332] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.718311][ T7330] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7328] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7328] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7338] chdir("./189" [pid 7331] <... close resumed>) = 0 [pid 7328] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7328] exit_group(0) = ? [pid 7328] +++ exited with 0 +++ [pid 7338] <... chdir resumed>) = 0 [pid 7331] mkdir("./file0", 0777 [pid 7338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7331] <... mkdir resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7328, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7338] <... prctl resumed>) = 0 [pid 7338] setpgid(0, 0 [pid 5071] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7338] <... setpgid resumed>) = 0 [pid 7331] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7338] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 3 [pid 7338] write(3, "1000", 4 [pid 5071] fstat(3, [pid 7338] <... write resumed>) = 4 [pid 7338] close(3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 249.748312][ T7332] REISERFS (device loop1): checking transaction log (loop1) [ 249.764634][ T7330] REISERFS (device loop0): checking transaction log (loop0) [ 249.776918][ T7330] REISERFS (device loop0): Using r5 hash to sort names [ 249.784042][ T7330] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7338] <... close resumed>) = 0 [pid 5071] getdents64(3, [pid 7330] <... mount resumed>) = 0 [pid 7330] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7330] chdir("./file0") = 0 [pid 7330] ioctl(4, LOOP_CLR_FD) = 0 [pid 7330] close(4 [pid 7338] symlink("/dev/binderfs", "./binderfs" [pid 7330] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7338] <... symlink resumed>) = 0 [pid 7330] mkdir(NULL, 000 [pid 5071] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7338] memfd_create("syzkaller", 0 [pid 7330] <... mkdir resumed>) = -1 EFAULT (Bad address) [ 249.799450][ T7332] REISERFS (device loop1): Using r5 hash to sort names [ 249.801010][ T7330] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 249.807880][ T7331] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.836775][ T7332] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7338] <... memfd_create resumed>) = 3 [pid 7330] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] lstat("./186/binderfs", [pid 7338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7338] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] unlink("./186/binderfs" [pid 7332] <... mount resumed>) = 0 [pid 7330] <... openat resumed>) = 4 [pid 5071] <... unlink resumed>) = 0 [pid 5071] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7332] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7330] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7332] <... openat resumed>) = 3 [pid 7330] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7332] chdir("./file0" [pid 7330] mount(NULL, "./bus", NULL, 0, NULL [pid 7332] <... chdir resumed>) = 0 [pid 7330] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7332] ioctl(4, LOOP_CLR_FD [pid 7330] exit_group(0 [pid 7332] <... ioctl resumed>) = 0 [pid 7330] <... exit_group resumed>) = ? [pid 5074] <... umount2 resumed>) = 0 [pid 7332] close(4 [pid 7330] +++ exited with 0 +++ [pid 5074] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7332] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7330, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7332] mkdir(NULL, 000 [pid 5074] lstat("./190/file0", [pid 7332] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7332] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7332] <... openat resumed>) = 4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7332] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [ 249.849724][ T7332] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 249.860949][ T7331] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 249.870675][ T7331] REISERFS (device loop3): using ordered data mode [ 249.878135][ T7331] reiserfs: using flush barriers [pid 5074] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7332] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 4 [pid 7332] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] fstat(4, [pid 7332] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7332] exit_group(0 [pid 5074] getdents64(4, [pid 7332] <... exit_group resumed>) = ? [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7332] +++ exited with 0 +++ [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./190/file0" [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7332, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5074] <... rmdir resumed>) = 0 [pid 5074] getdents64(3, [pid 5070] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] rmdir("./190" [pid 5069] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... rmdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5074] mkdir("./191", 0777 [pid 5070] fstat(3, [pid 5069] <... openat resumed>) = 3 [pid 5074] <... mkdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] fstat(3, [pid 5074] <... openat resumed>) = 3 [pid 5070] getdents64(3, [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 249.898277][ T7331] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.927168][ T7331] REISERFS (device loop3): checking transaction log (loop3) [ 249.940038][ T7331] REISERFS (device loop3): Using r5 hash to sort names [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] getdents64(3, [pid 7338] 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"..., 4194304 [pid 5074] close(3 [pid 5070] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] lstat("./185/binderfs", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] lstat("./182/binderfs", [pid 5070] unlink("./185/binderfs" [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5069] unlink("./182/binderfs" [pid 5070] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... unlink resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5069] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7340 [ 249.949839][ T7331] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! ./strace-static-x86_64: Process 7340 attached [pid 7340] chdir("./191") = 0 [pid 7340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7340] setpgid(0, 0) = 0 [pid 7340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7340] write(3, "1000", 4) = 4 [pid 7340] close(3) = 0 [pid 7340] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7340] memfd_create("syzkaller", 0 [pid 5071] <... umount2 resumed>) = 0 [pid 7340] <... memfd_create resumed>) = 3 [pid 7340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5071] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7331] <... mount resumed>) = 0 [pid 5071] lstat("./186/file0", [pid 7331] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7331] <... openat resumed>) = 3 [pid 7331] chdir("./file0" [pid 5071] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7331] <... chdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7331] ioctl(4, LOOP_CLR_FD [pid 5071] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7331] <... ioctl resumed>) = 0 [ 250.002902][ T7331] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] <... openat resumed>) = 4 [pid 7331] close(4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, [pid 7331] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7331] mkdir(NULL, 000 [pid 5071] getdents64(4, [pid 7338] <... write resumed>) = 4194304 [pid 7331] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7331] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7338] munmap(0x7f8a1b2e3000, 4194304 [pid 7331] <... openat resumed>) = 4 [pid 5071] close(4 [pid 7331] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... close resumed>) = 0 [pid 7331] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] rmdir("./186/file0" [pid 7331] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... rmdir resumed>) = 0 [pid 7331] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] getdents64(3, [pid 7331] exit_group(0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7331] <... exit_group resumed>) = ? [pid 5071] close(3 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./182/file0", [pid 7331] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7331, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5071] <... close resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5071] rmdir("./186" [pid 5072] <... restart_syscall resumed>) = 0 [pid 5072] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... rmdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] mkdir("./187", 0777 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... mkdir resumed>) = 0 [pid 5072] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5072] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] unlink("./186/binderfs") = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7338] <... munmap resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./182/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 7338] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5071] close(3 [pid 5069] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] rmdir("./182") = 0 [pid 5069] mkdir("./183", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... umount2 resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7341 [pid 5072] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./186/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7338] <... openat resumed>) = 4 [pid 5072] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7338] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7342 [pid 5072] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, ./strace-static-x86_64: Process 7341 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7341] chdir("./183" [pid 5072] getdents64(4, [pid 7341] <... chdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7340] 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"..., 4194304 [pid 5072] getdents64(4, [pid 7341] <... prctl resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7341] setpgid(0, 0 [pid 5072] close(4 [pid 7341] <... setpgid resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 7341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] rmdir("./186/file0" [pid 7341] <... openat resumed>) = 3 [pid 5072] <... rmdir resumed>) = 0 [pid 7341] write(3, "1000", 4 [pid 5072] getdents64(3, [pid 7341] <... write resumed>) = 4 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7341] close(3 [pid 5072] close(3 [pid 7341] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 7341] symlink("/dev/binderfs", "./binderfs" [pid 5072] rmdir("./186" [pid 7341] <... symlink resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7342 attached [pid 7341] memfd_create("syzkaller", 0 [pid 5072] mkdir("./187", 0777 [pid 7342] chdir("./187" [pid 7341] <... memfd_create resumed>) = 3 [pid 5072] <... mkdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 7342] <... chdir resumed>) = 0 [pid 7341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7341] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7342] <... prctl resumed>) = 0 [pid 7338] <... ioctl resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5070] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7342] setpgid(0, 0 [pid 5072] close(3 [pid 7342] <... setpgid resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7338] close(3 [pid 5070] lstat("./185/file0", [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7343 ./strace-static-x86_64: Process 7343 attached [pid 7343] chdir("./187" [pid 7342] <... openat resumed>) = 3 [pid 7343] <... chdir resumed>) = 0 [pid 7342] write(3, "1000", 4 [pid 7338] <... close resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7342] <... write resumed>) = 4 [pid 7338] mkdir("./file0", 0777 [pid 5070] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7342] close(3 [pid 7343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7338] <... mkdir resumed>) = 0 [pid 7343] <... prctl resumed>) = 0 [pid 7342] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7338] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7342] symlink("/dev/binderfs", "./binderfs" [pid 7343] setpgid(0, 0) = 0 [pid 7343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7342] <... symlink resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 7343] <... openat resumed>) = 3 [pid 7342] memfd_create("syzkaller", 0 [pid 5070] fstat(4, [pid 7343] write(3, "1000", 4 [pid 7342] <... memfd_create resumed>) = 3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 250.152689][ T7338] loop4: detected capacity change from 0 to 8192 [pid 7343] <... write resumed>) = 4 [pid 7342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] getdents64(4, [pid 7343] close(3 [pid 7342] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7343] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7343] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7343] memfd_create("syzkaller", 0) = 3 [pid 7343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7343] 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"..., 4194304 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [ 250.207269][ T7338] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5070] close(4) = 0 [pid 5070] rmdir("./185/file0") = 0 [pid 7343] <... write resumed>) = 4194304 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./185") = 0 [pid 5070] mkdir("./186", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 7343] munmap(0x7f8a1b2e3000, 4194304 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 7343] <... munmap resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 7341] 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"..., 4194304 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7345 ./strace-static-x86_64: Process 7345 attached [pid 7343] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7345] chdir("./186") = 0 [pid 7343] ioctl(4, LOOP_SET_FD, 3 [ 250.277312][ T7338] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 250.287179][ T7338] REISERFS (device loop4): using ordered data mode [ 250.294610][ T7338] reiserfs: using flush barriers [ 250.301402][ T7338] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.318659][ T7338] REISERFS (device loop4): checking transaction log (loop4) [pid 7345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7345] setpgid(0, 0) = 0 [pid 7345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7343] <... ioctl resumed>) = 0 [pid 7345] write(3, "1000", 4) = 4 [pid 7343] close(3 [pid 7340] <... write resumed>) = 4194304 [pid 7345] close(3) = 0 [pid 7345] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7345] memfd_create("syzkaller", 0 [pid 7343] <... close resumed>) = 0 [pid 7345] <... memfd_create resumed>) = 3 [pid 7343] mkdir("./file0", 0777 [pid 7338] <... mount resumed>) = 0 [pid 7345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7343] <... mkdir resumed>) = 0 [pid 7338] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7345] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7343] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7342] 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"..., 4194304 [pid 7340] munmap(0x7f8a1b2e3000, 4194304 [pid 7338] <... openat resumed>) = 3 [pid 7340] <... munmap resumed>) = 0 [pid 7338] chdir("./file0" [pid 7340] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7338] <... chdir resumed>) = 0 [pid 7340] <... openat resumed>) = 4 [pid 7338] ioctl(4, LOOP_CLR_FD [pid 7340] ioctl(4, LOOP_SET_FD, 3 [pid 7338] <... ioctl resumed>) = 0 [ 250.327684][ T7343] loop3: detected capacity change from 0 to 8192 [ 250.334360][ T7338] REISERFS (device loop4): Using r5 hash to sort names [ 250.342078][ T7338] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 250.355474][ T7338] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7338] close(4) = 0 [pid 7338] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7338] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7338] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7338] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7338] exit_group(0 [pid 7340] <... ioctl resumed>) = 0 [pid 7338] <... exit_group resumed>) = ? [pid 7338] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7338, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7340] close(3 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 7340] <... close resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 7340] mkdir("./file0", 0777 [pid 5073] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./189/binderfs", [pid 7340] <... mkdir resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7340] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] unlink("./189/binderfs") = 0 [ 250.391151][ T7340] loop5: detected capacity change from 0 to 8192 [ 250.406760][ T7343] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5073] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 250.449465][ T7343] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 250.461136][ T7340] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.462702][ T7343] REISERFS (device loop3): using ordered data mode [ 250.482012][ T7343] reiserfs: using flush barriers [pid 7345] 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"..., 4194304 [pid 7341] <... write resumed>) = 4194304 [pid 7342] <... write resumed>) = 4194304 [pid 7341] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7341] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7341] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... umount2 resumed>) = 0 [ 250.490067][ T7343] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.523371][ T7340] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 250.543246][ T7341] loop0: detected capacity change from 0 to 8192 [pid 5073] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7342] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7342] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5073] lstat("./189/file0", [pid 7342] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7343] <... mount resumed>) = 0 [ 250.548009][ T7343] REISERFS (device loop3): checking transaction log (loop3) [ 250.558623][ T7343] REISERFS (device loop3): Using r5 hash to sort names [ 250.565900][ T7343] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 250.568630][ T7342] loop2: detected capacity change from 0 to 8192 [ 250.579790][ T7343] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] <... openat resumed>) = 4 [pid 7343] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7341] <... ioctl resumed>) = 0 [pid 5073] fstat(4, [pid 7341] close(3 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7343] <... openat resumed>) = 3 [pid 7341] <... close resumed>) = 0 [pid 5073] getdents64(4, [pid 7343] chdir("./file0" [pid 7341] mkdir("./file0", 0777 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7341] <... mkdir resumed>) = 0 [pid 5073] getdents64(4, [pid 7341] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./189/file0") = 0 [pid 5073] getdents64(3, [pid 7345] <... write resumed>) = 4194304 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 7343] <... chdir resumed>) = 0 [pid 5073] rmdir("./189") = 0 [pid 7345] munmap(0x7f8a1b2e3000, 4194304 [pid 5073] mkdir("./190", 0777 [pid 7345] <... munmap resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 7345] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7343] ioctl(4, LOOP_CLR_FD [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7345] <... openat resumed>) = 4 [pid 5073] <... openat resumed>) = 3 [ 250.594750][ T7340] REISERFS (device loop5): using ordered data mode [ 250.601766][ T7340] reiserfs: using flush barriers [ 250.608850][ T7340] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.625995][ T7340] REISERFS (device loop5): checking transaction log (loop5) [ 250.633700][ T7341] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7345] ioctl(4, LOOP_SET_FD, 3 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 7343] <... ioctl resumed>) = 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7342] <... ioctl resumed>) = 0 [pid 5073] close(3 [pid 7343] close(4 [pid 7342] close(3 [pid 5073] <... close resumed>) = 0 [pid 7342] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7342] mkdir("./file0", 0777 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7349 [pid 7343] <... close resumed>) = 0 [pid 7342] <... mkdir resumed>) = 0 [pid 7340] <... mount resumed>) = 0 [pid 7342] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7349 attached [pid 7349] chdir("./190" [pid 7343] mkdir(NULL, 000 [pid 7349] <... chdir resumed>) = 0 [pid 7340] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7349] setpgid(0, 0) = 0 [pid 7349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 250.634580][ T7340] REISERFS (device loop5): Using r5 hash to sort names [ 250.651099][ T7345] loop1: detected capacity change from 0 to 8192 [ 250.654162][ T7340] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 250.673294][ T7340] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 250.683028][ T7341] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 250.693101][ T7341] REISERFS (device loop0): using ordered data mode [pid 7343] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7340] <... openat resumed>) = 3 [pid 7349] write(3, "1000", 4) = 4 [pid 7349] close(3) = 0 [pid 7349] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7349] memfd_create("syzkaller", 0) = 3 [pid 7345] <... ioctl resumed>) = 0 [pid 7349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7345] close(3 [pid 7343] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7340] chdir("./file0" [pid 7349] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7345] <... close resumed>) = 0 [pid 7345] mkdir("./file0", 0777 [pid 7343] <... openat resumed>) = 4 [pid 7340] <... chdir resumed>) = 0 [pid 7345] <... mkdir resumed>) = 0 [pid 7345] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7343] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [ 250.700396][ T7342] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.713799][ T7341] reiserfs: using flush barriers [ 250.720210][ T7342] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 250.731570][ T7341] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7340] ioctl(4, LOOP_CLR_FD [pid 7343] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7340] <... ioctl resumed>) = 0 [pid 7343] mount(NULL, "./bus", NULL, 0, NULL [pid 7340] close(4 [pid 7343] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7340] <... close resumed>) = 0 [pid 7343] exit_group(0 [pid 7340] mkdir(NULL, 000 [pid 7343] <... exit_group resumed>) = ? [pid 7340] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7343] +++ exited with 0 +++ [pid 7340] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7340] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7340] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7340] exit_group(0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7343, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 7340] <... exit_group resumed>) = ? [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 7340] +++ exited with 0 +++ [pid 5072] <... restart_syscall resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7340, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [ 250.747965][ T7342] REISERFS (device loop2): using ordered data mode [ 250.756883][ T7345] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.771930][ T7342] reiserfs: using flush barriers [ 250.778933][ T7342] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5074] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 5074] fstat(3, [pid 5072] fstat(3, [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, [pid 5072] getdents64(3, [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./191/binderfs", [pid 5072] lstat("./187/binderfs", [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./191/binderfs" [pid 5072] unlink("./187/binderfs" [pid 5074] <... unlink resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5074] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 250.795863][ T7341] REISERFS (device loop0): checking transaction log (loop0) [ 250.803449][ T7345] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 250.806808][ T7342] REISERFS (device loop2): checking transaction log (loop2) [ 250.821909][ T7341] REISERFS (device loop0): Using r5 hash to sort names [ 250.830339][ T7341] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7349] 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"..., 4194304 [pid 7341] <... mount resumed>) = 0 [pid 7341] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7342] <... mount resumed>) = 0 [pid 7341] chdir("./file0" [pid 7342] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7341] <... chdir resumed>) = 0 [ 250.845062][ T7342] REISERFS (device loop2): Using r5 hash to sort names [ 250.853306][ T7341] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 250.862962][ T7342] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 250.868467][ T7345] REISERFS (device loop1): using ordered data mode [ 250.876512][ T7342] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 250.891866][ T7345] reiserfs: using flush barriers [pid 7342] <... openat resumed>) = 3 [pid 7341] ioctl(4, LOOP_CLR_FD [pid 7342] chdir("./file0" [pid 7341] <... ioctl resumed>) = 0 [pid 7342] <... chdir resumed>) = 0 [pid 7341] close(4 [pid 7342] ioctl(4, LOOP_CLR_FD [pid 7341] <... close resumed>) = 0 [pid 7342] <... ioctl resumed>) = 0 [pid 7341] mkdir(NULL, 000 [pid 7342] close(4 [pid 7341] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7342] <... close resumed>) = 0 [pid 7341] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7342] mkdir(NULL, 000 [pid 7341] <... openat resumed>) = 4 [pid 7342] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7341] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7342] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7341] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7342] <... openat resumed>) = 4 [pid 7341] mount(NULL, "./bus", NULL, 0, NULL [pid 7342] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7341] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7342] mount(NULL, "./bus", NULL, 0, NULL [pid 7341] exit_group(0 [pid 7342] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7341] <... exit_group resumed>) = ? [pid 7342] exit_group(0 [pid 7341] +++ exited with 0 +++ [pid 7342] <... exit_group resumed>) = ? [ 250.902668][ T7345] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7341, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 7342] +++ exited with 0 +++ [pid 5069] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7342, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} --- [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5069] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... restart_syscall resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = 0 [pid 5071] fstat(3, [pid 5069] lstat("./183/binderfs", [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] getdents64(3, [pid 5069] unlink("./183/binderfs" [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... unlink resumed>) = 0 [pid 5071] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./187/binderfs") = 0 [pid 5071] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./187/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, [pid 7349] <... write resumed>) = 4194304 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [ 250.986656][ T7345] REISERFS (device loop1): checking transaction log (loop1) [pid 5072] close(4) = 0 [pid 5072] rmdir("./187/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./187") = 0 [pid 5072] mkdir("./188", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 7349] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./191/file0", [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] close(3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7352 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./191/file0" [pid 7349] <... munmap resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 7349] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3 [pid 7349] <... openat resumed>) = 4 [pid 7349] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... close resumed>) = 0 ./strace-static-x86_64: Process 7352 attached [pid 5074] rmdir("./191" [pid 7352] chdir("./188" [pid 5074] <... rmdir resumed>) = 0 [pid 7352] <... chdir resumed>) = 0 [pid 5074] mkdir("./192", 0777 [pid 7352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] <... mkdir resumed>) = 0 [pid 7352] <... prctl resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7352] setpgid(0, 0 [pid 5074] <... openat resumed>) = 3 [pid 7352] <... setpgid resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 7352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7352] <... openat resumed>) = 3 [pid 5074] close(3 [pid 7352] write(3, "1000", 4 [pid 5074] <... close resumed>) = 0 [pid 7352] <... write resumed>) = 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7352] close(3) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7353 [pid 7352] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7352] memfd_create("syzkaller", 0) = 3 [ 251.037195][ T7345] REISERFS (device loop1): Using r5 hash to sort names [ 251.061688][ T7349] loop4: detected capacity change from 0 to 8192 [pid 7352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 ./strace-static-x86_64: Process 7353 attached [pid 7353] chdir("./192") = 0 [pid 7353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7353] setpgid(0, 0) = 0 [pid 7353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7353] write(3, "1000", 4) = 4 [pid 7353] close(3) = 0 [pid 7353] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7353] memfd_create("syzkaller", 0) = 3 [pid 7353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7349] <... ioctl resumed>) = 0 [pid 7349] close(3) = 0 [pid 7349] mkdir("./file0", 0777) = 0 [ 251.086502][ T7345] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7349] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./183/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 251.131625][ T7345] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 251.142369][ T7349] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5069] fstat(4, [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7352] 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"..., 4194304 [pid 5071] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(4, [pid 7345] <... mount resumed>) = 0 [pid 7353] 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"..., 4194304 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7345] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] lstat("./187/file0", [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7345] <... openat resumed>) = 3 [pid 5069] close(4 [pid 5071] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 7345] chdir("./file0" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7345] <... chdir resumed>) = 0 [pid 5069] rmdir("./183/file0" [pid 5071] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7345] ioctl(4, LOOP_CLR_FD [pid 5069] <... rmdir resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 7345] <... ioctl resumed>) = 0 [pid 5069] getdents64(3, [pid 5071] fstat(4, [pid 7345] close(4 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7345] <... close resumed>) = 0 [pid 7345] mkdir(NULL, 000 [pid 5071] getdents64(4, [pid 7345] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7345] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7345] <... openat resumed>) = 4 [pid 5071] getdents64(4, [pid 5069] close(3 [pid 7345] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7345] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] close(4 [pid 5069] <... close resumed>) = 0 [pid 7345] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... close resumed>) = 0 [pid 5069] rmdir("./183" [pid 7345] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] rmdir("./187/file0" [pid 5069] <... rmdir resumed>) = 0 [pid 7345] exit_group(0 [pid 5071] <... rmdir resumed>) = 0 [pid 7345] <... exit_group resumed>) = ? [pid 5071] getdents64(3, [pid 5069] mkdir("./184", 0777 [pid 7345] +++ exited with 0 +++ [pid 5069] <... mkdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7345, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... close resumed>) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5071] rmdir("./187" [pid 5069] <... openat resumed>) = 3 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5071] mkdir("./188", 0777 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5071] <... mkdir resumed>) = 0 [pid 5070] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] close(3 [pid 5070] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] <... close resumed>) = 0 [pid 5070] fstat(3, [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] close(3 [ 251.172473][ T7349] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 251.184426][ T7349] REISERFS (device loop4): using ordered data mode [ 251.191872][ T7349] reiserfs: using flush barriers [pid 5070] getdents64(3, [pid 5071] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7355 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7356 [pid 5070] lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./186/binderfs") = 0 [pid 5070] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7356 attached ./strace-static-x86_64: Process 7355 attached [pid 7352] <... write resumed>) = 4194304 [pid 7356] chdir("./188" [pid 7355] chdir("./184" [pid 7352] munmap(0x7f8a1b2e3000, 4194304 [pid 7356] <... chdir resumed>) = 0 [pid 7355] <... chdir resumed>) = 0 [pid 7352] <... munmap resumed>) = 0 [pid 7356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7352] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7356] <... prctl resumed>) = 0 [pid 7355] <... prctl resumed>) = 0 [pid 7352] <... openat resumed>) = 4 [pid 7356] setpgid(0, 0 [pid 7355] setpgid(0, 0 [ 251.247851][ T7349] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.276958][ T7349] REISERFS (device loop4): checking transaction log (loop4) [ 251.286024][ T7349] REISERFS (device loop4): Using r5 hash to sort names [pid 7352] ioctl(4, LOOP_SET_FD, 3 [pid 7356] <... setpgid resumed>) = 0 [pid 7355] <... setpgid resumed>) = 0 [pid 7356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7356] <... openat resumed>) = 3 [pid 7355] <... openat resumed>) = 3 [pid 7352] <... ioctl resumed>) = 0 [pid 7356] write(3, "1000", 4 [pid 7355] write(3, "1000", 4 [pid 7356] <... write resumed>) = 4 [pid 7355] <... write resumed>) = 4 [pid 7352] close(3 [pid 7356] close(3 [pid 7355] close(3 [pid 7356] <... close resumed>) = 0 [pid 7355] <... close resumed>) = 0 [pid 7352] <... close resumed>) = 0 [pid 7356] symlink("/dev/binderfs", "./binderfs" [pid 7355] symlink("/dev/binderfs", "./binderfs" [pid 7356] <... symlink resumed>) = 0 [pid 7355] <... symlink resumed>) = 0 [pid 7352] mkdir("./file0", 0777 [pid 7356] memfd_create("syzkaller", 0 [pid 7355] memfd_create("syzkaller", 0 [pid 7356] <... memfd_create resumed>) = 3 [pid 7355] <... memfd_create resumed>) = 3 [pid 7352] <... mkdir resumed>) = 0 [pid 7356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7356] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7355] <... mmap resumed>) = 0x7f8a1b2e3000 [ 251.294235][ T7352] loop3: detected capacity change from 0 to 8192 [pid 7352] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7353] <... write resumed>) = 4194304 [pid 5070] <... umount2 resumed>) = 0 [pid 7353] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7353] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7353] ioctl(4, LOOP_SET_FD, 3 [pid 7355] 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"..., 4194304 [pid 5070] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 251.337557][ T7352] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.352032][ T7349] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 251.373572][ T7353] loop5: detected capacity change from 0 to 8192 [pid 5070] lstat("./186/file0", [pid 7356] 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"..., 4194304 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7349] <... mount resumed>) = 0 [pid 7349] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7349] chdir("./file0") = 0 [pid 7349] ioctl(4, LOOP_CLR_FD) = 0 [pid 7349] close(4) = 0 [pid 7349] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7349] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7349] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7349] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7349] exit_group(0) = ? [pid 7349] +++ exited with 0 +++ [pid 7353] <... ioctl resumed>) = 0 [pid 7353] close(3) = 0 [pid 7353] mkdir("./file0", 0777) = 0 [pid 7353] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7349, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 4 [pid 5073] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 251.386960][ T7352] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 251.396581][ T7349] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 251.413672][ T7352] REISERFS (device loop3): using ordered data mode [ 251.420850][ T7352] reiserfs: using flush barriers [pid 5070] fstat(4, [pid 5073] fstat(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, [pid 5073] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] getdents64(4, [pid 5073] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] close(4 [pid 5073] lstat("./190/binderfs", [pid 5070] <... close resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] rmdir("./186/file0" [pid 5073] unlink("./190/binderfs" [pid 5070] <... rmdir resumed>) = 0 [pid 5073] <... unlink resumed>) = 0 [pid 5070] getdents64(3, [pid 5073] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./186") = 0 [pid 5070] mkdir("./187", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7359 ./strace-static-x86_64: Process 7359 attached [ 251.427364][ T7352] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.443940][ T7352] REISERFS (device loop3): checking transaction log (loop3) [ 251.453510][ T7352] REISERFS (device loop3): Using r5 hash to sort names [ 251.461115][ T7353] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7359] chdir("./187") = 0 [pid 7359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7359] setpgid(0, 0) = 0 [pid 7359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7359] write(3, "1000", 4) = 4 [pid 7359] close(3) = 0 [pid 7359] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7359] memfd_create("syzkaller", 0 [pid 7355] <... write resumed>) = 4194304 [pid 7359] <... memfd_create resumed>) = 3 [pid 7359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 251.493776][ T7352] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 251.503116][ T7353] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 7355] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 251.535614][ T7353] REISERFS (device loop5): using ordered data mode [ 251.542772][ T7353] reiserfs: using flush barriers [ 251.549563][ T7353] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.559936][ T7355] loop0: detected capacity change from 0 to 8192 [ 251.566909][ T7353] REISERFS (device loop5): checking transaction log (loop5) [pid 7355] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./190/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 7355] <... ioctl resumed>) = 0 [pid 7353] <... mount resumed>) = 0 [pid 7355] close(3 [pid 7353] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7352] <... mount resumed>) = 0 [pid 7355] <... close resumed>) = 0 [pid 7353] <... openat resumed>) = 3 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7352] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7355] mkdir("./file0", 0777 [pid 7353] chdir("./file0" [pid 5073] getdents64(4, [pid 7355] <... mkdir resumed>) = 0 [pid 7353] <... chdir resumed>) = 0 [pid 7352] <... openat resumed>) = 3 [pid 7355] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7353] ioctl(4, LOOP_CLR_FD [pid 7352] chdir("./file0" [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [ 251.581236][ T7353] REISERFS (device loop5): Using r5 hash to sort names [ 251.588596][ T7353] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 251.597724][ T7352] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 251.602425][ T7353] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7353] <... ioctl resumed>) = 0 [pid 7352] <... chdir resumed>) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./190/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./190") = 0 [pid 5073] mkdir("./191", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3 [pid 7356] <... write resumed>) = 4194304 [pid 7353] close(4 [pid 7352] ioctl(4, LOOP_CLR_FD [pid 5073] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7356] munmap(0x7f8a1b2e3000, 4194304 [pid 7353] <... close resumed>) = 0 [pid 7352] <... ioctl resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7361 [pid 7356] <... munmap resumed>) = 0 [pid 7353] mkdir(NULL, 000 [pid 7352] close(4./strace-static-x86_64: Process 7361 attached [pid 7356] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7353] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7352] <... close resumed>) = 0 [pid 7361] chdir("./191" [pid 7356] <... openat resumed>) = 4 [pid 7353] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7352] mkdir(NULL, 000 [ 251.636876][ T7355] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.651445][ T7355] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 251.661670][ T7355] REISERFS (device loop0): using ordered data mode [ 251.669835][ T7355] reiserfs: using flush barriers [pid 7361] <... chdir resumed>) = 0 [pid 7356] ioctl(4, LOOP_SET_FD, 3 [pid 7353] <... openat resumed>) = 4 [pid 7352] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7359] 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"..., 4194304 [pid 7353] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7352] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7356] <... ioctl resumed>) = 0 [pid 7361] <... prctl resumed>) = 0 [pid 7356] close(3) = 0 [pid 7356] mkdir("./file0", 0777) = 0 [pid 7352] <... openat resumed>) = 4 [pid 7361] setpgid(0, 0 [pid 7356] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7361] <... setpgid resumed>) = 0 [pid 7353] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7352] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7353] mount(NULL, "./bus", NULL, 0, NULL [pid 7352] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7361] <... openat resumed>) = 3 [pid 7353] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 251.678335][ T7355] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.688866][ T7356] loop2: detected capacity change from 0 to 8192 [ 251.695564][ T7355] REISERFS (device loop0): checking transaction log (loop0) [ 251.712184][ T7355] REISERFS (device loop0): Using r5 hash to sort names [ 251.719632][ T7355] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7352] mount(NULL, "./bus", NULL, 0, NULL [pid 7361] write(3, "1000", 4 [pid 7355] <... mount resumed>) = 0 [pid 7353] exit_group(0 [pid 7352] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7361] <... write resumed>) = 4 [pid 7355] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7353] <... exit_group resumed>) = ? [pid 7352] exit_group(0 [pid 7361] close(3 [pid 7355] <... openat resumed>) = 3 [pid 7353] +++ exited with 0 +++ [pid 7352] <... exit_group resumed>) = ? [pid 7361] <... close resumed>) = 0 [pid 7355] chdir("./file0" [pid 7352] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7353, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7361] symlink("/dev/binderfs", "./binderfs" [pid 7355] <... chdir resumed>) = 0 [pid 7361] <... symlink resumed>) = 0 [pid 7355] ioctl(4, LOOP_CLR_FD [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7352, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 7361] memfd_create("syzkaller", 0 [pid 7355] <... ioctl resumed>) = 0 [pid 5074] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7361] <... memfd_create resumed>) = 3 [pid 7355] close(4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7355] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7361] <... mmap resumed>) = 0x7f8a1b2e3000 [ 251.732675][ T7355] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 251.737351][ T7356] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5074] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 7355] mkdir(NULL, 000 [pid 5074] fstat(3, [pid 5072] fstat(3, [pid 7355] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7361] 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"..., 4194304 [pid 7355] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7359] <... write resumed>) = 4194304 [pid 7355] <... openat resumed>) = 4 [pid 5074] getdents64(3, [pid 5072] getdents64(3, [pid 7355] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7355] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7355] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7355] exit_group(0 [pid 5074] lstat("./192/binderfs", [pid 5072] lstat("./188/binderfs", [pid 7355] <... exit_group resumed>) = ? [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7355] +++ exited with 0 +++ [pid 5074] unlink("./192/binderfs" [pid 5072] unlink("./188/binderfs" [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7355, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5074] <... unlink resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5074] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7359] munmap(0x7f8a1b2e3000, 4194304 [pid 5069] getdents64(3, [pid 7359] <... munmap resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 251.804219][ T7356] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 251.841834][ T7356] REISERFS (device loop2): using ordered data mode [ 251.849704][ T7356] reiserfs: using flush barriers [pid 5069] lstat("./184/binderfs", [pid 7359] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7359] <... openat resumed>) = 4 [pid 5069] unlink("./184/binderfs" [pid 7359] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... unlink resumed>) = 0 [pid 5069] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7359] <... ioctl resumed>) = 0 [pid 7359] close(3) = 0 [pid 7359] mkdir("./file0", 0777 [pid 7361] <... write resumed>) = 4194304 [pid 7359] <... mkdir resumed>) = 0 [pid 7361] munmap(0x7f8a1b2e3000, 4194304 [pid 7359] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7361] <... munmap resumed>) = 0 [pid 7361] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 251.856736][ T7359] loop1: detected capacity change from 0 to 8192 [ 251.864631][ T7356] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7361] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7361] close(3) = 0 [pid 7361] mkdir("./file0", 0777) = 0 [pid 7361] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] <... umount2 resumed>) = 0 [ 251.909243][ T7361] loop4: detected capacity change from 0 to 8192 [ 251.927043][ T7361] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.942423][ T7359] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5074] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./192/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./192/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./192" [pid 5072] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 5074] mkdir("./193", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... mkdir resumed>) = 0 [pid 5072] lstat("./188/file0", [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7365 [pid 5072] close(4) = 0 [pid 5072] rmdir("./188/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [ 251.959800][ T7359] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 251.969773][ T7361] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5072] close(3) = 0 [pid 5072] rmdir("./188") = 0 [pid 5072] mkdir("./189", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7366 ./strace-static-x86_64: Process 7366 attached [pid 7366] chdir("./189") = 0 [pid 7366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7366] setpgid(0, 0./strace-static-x86_64: Process 7365 attached ) = 0 [pid 7366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7365] chdir("./193" [pid 7366] write(3, "1000", 4) = 4 [pid 7366] close(3) = 0 [pid 7365] <... chdir resumed>) = 0 [pid 7366] symlink("/dev/binderfs", "./binderfs" [pid 7365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7366] <... symlink resumed>) = 0 [pid 7365] <... prctl resumed>) = 0 [pid 7366] memfd_create("syzkaller", 0 [pid 7365] setpgid(0, 0 [pid 7366] <... memfd_create resumed>) = 3 [pid 7365] <... setpgid resumed>) = 0 [pid 7366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 252.001331][ T7356] REISERFS (device loop2): checking transaction log (loop2) [ 252.034776][ T7359] REISERFS (device loop1): using ordered data mode [pid 7365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7365] write(3, "1000", 4) = 4 [pid 7365] close(3) = 0 [pid 7365] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7366] 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"..., 4194304 [pid 7365] memfd_create("syzkaller", 0) = 3 [pid 7365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 252.046498][ T7361] REISERFS (device loop4): using ordered data mode [ 252.053559][ T7361] reiserfs: using flush barriers [ 252.060893][ T7356] REISERFS (device loop2): Using r5 hash to sort names [pid 5069] <... umount2 resumed>) = 0 [pid 7366] <... write resumed>) = 4194304 [ 252.093709][ T7359] reiserfs: using flush barriers [ 252.104555][ T7361] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.123453][ T7356] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5069] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7366] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7366] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7366] ioctl(4, LOOP_SET_FD, 3 [pid 7356] <... mount resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7356] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] lstat("./184/file0", [pid 7366] <... ioctl resumed>) = 0 [pid 7356] <... openat resumed>) = 3 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7366] close(3 [pid 7356] chdir("./file0" [ 252.135480][ T7359] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.136986][ T7356] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 252.162280][ T7361] REISERFS (device loop4): checking transaction log (loop4) [ 252.169539][ T7366] loop3: detected capacity change from 0 to 8192 [ 252.171369][ T7359] REISERFS (device loop1): checking transaction log (loop1) [ 252.185748][ T7361] REISERFS (device loop4): Using r5 hash to sort names [pid 5069] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7366] <... close resumed>) = 0 [pid 7356] <... chdir resumed>) = 0 [pid 7366] mkdir("./file0", 0777 [pid 7356] ioctl(4, LOOP_CLR_FD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7356] <... ioctl resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7356] close(4 [pid 5069] <... openat resumed>) = 4 [pid 7356] <... close resumed>) = 0 [pid 7366] <... mkdir resumed>) = 0 [pid 7356] mkdir(NULL, 000 [pid 5069] fstat(4, [pid 7366] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7356] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 252.186877][ T7359] REISERFS (device loop1): Using r5 hash to sort names [ 252.202653][ T7359] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 252.213077][ T7361] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 252.217045][ T7359] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7356] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] getdents64(4, [pid 7361] <... mount resumed>) = 0 [pid 7356] <... openat resumed>) = 4 [pid 7365] 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"..., 4194304 [pid 7361] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7359] <... mount resumed>) = 0 [pid 7356] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7361] <... openat resumed>) = 3 [pid 7359] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7356] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(4, [pid 7361] chdir("./file0" [pid 7359] <... openat resumed>) = 3 [pid 7356] mount(NULL, "./bus", NULL, 0, NULL [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7361] <... chdir resumed>) = 0 [pid 7359] chdir("./file0" [pid 7356] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5069] close(4 [pid 7361] ioctl(4, LOOP_CLR_FD [pid 7359] <... chdir resumed>) = 0 [pid 7356] exit_group(0 [pid 5069] <... close resumed>) = 0 [pid 7361] <... ioctl resumed>) = 0 [pid 7359] ioctl(4, LOOP_CLR_FD [pid 7356] <... exit_group resumed>) = ? [pid 5069] rmdir("./184/file0" [pid 7361] close(4 [pid 7359] <... ioctl resumed>) = 0 [pid 7356] +++ exited with 0 +++ [pid 5069] <... rmdir resumed>) = 0 [pid 7361] <... close resumed>) = 0 [pid 7361] mkdir(NULL, 000 [pid 7359] close(4 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7356, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5069] getdents64(3, [pid 7361] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7359] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7361] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7359] mkdir(NULL, 000 [pid 5069] close(3 [pid 7361] <... openat resumed>) = 4 [pid 7359] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7361] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7359] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 7361] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7359] <... openat resumed>) = 4 [pid 7361] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] rmdir("./184" [pid 7361] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7359] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 7361] exit_group(0 [pid 7359] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] fstat(3, [pid 5069] mkdir("./185", 0777 [pid 7361] <... exit_group resumed>) = ? [pid 7359] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 7361] +++ exited with 0 +++ [pid 7359] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7361, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5071] getdents64(3, [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7359] exit_group(0) = ? [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... openat resumed>) = 3 [ 252.228519][ T7361] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 252.249884][ T7366] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.274961][ T7366] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7359] +++ exited with 0 +++ [pid 5071] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7359, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 s */} --- [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] lstat("./188/binderfs", [pid 5069] close(3 [pid 5073] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] unlink("./188/binderfs" [pid 5069] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... unlink resumed>) = 0 [pid 5070] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... openat resumed>) = 3 [pid 5071] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] fstat(3, [pid 5070] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, [pid 5070] <... openat resumed>) = 3 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7368 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] fstat(3, [pid 5073] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 5073] lstat("./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] unlink("./191/binderfs" [pid 5070] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... unlink resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] lstat("./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./187/binderfs") = 0 [pid 5070] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7368 attached [pid 7368] chdir("./185") = 0 [pid 7368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7368] setpgid(0, 0) = 0 [pid 7368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7368] write(3, "1000", 4) = 4 [pid 7368] close(3) = 0 [pid 7368] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7368] memfd_create("syzkaller", 0) = 3 [pid 7368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 252.298711][ T7366] REISERFS (device loop3): using ordered data mode [ 252.328040][ T7366] reiserfs: using flush barriers [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./187/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./187/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./187") = 0 [pid 5070] mkdir("./188", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = 0 [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7369 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7369 attached [ 252.365875][ T7366] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5071] lstat("./188/file0", [pid 7369] chdir("./188" [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7369] <... chdir resumed>) = 0 [pid 5071] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7369] <... prctl resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7369] setpgid(0, 0 [pid 5071] <... openat resumed>) = 4 [pid 7369] <... setpgid resumed>) = 0 [pid 5071] fstat(4, [pid 7369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7369] <... openat resumed>) = 3 [pid 7365] <... write resumed>) = 4194304 [pid 5071] getdents64(4, [pid 7369] write(3, "1000", 4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7369] <... write resumed>) = 4 [pid 7365] munmap(0x7f8a1b2e3000, 4194304 [pid 5071] getdents64(4, [pid 7369] close(3 [pid 7365] <... munmap resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7369] <... close resumed>) = 0 [pid 7365] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] close(4 [pid 7369] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... close resumed>) = 0 [pid 7369] <... symlink resumed>) = 0 [pid 7365] <... openat resumed>) = 4 [pid 5071] rmdir("./188/file0" [pid 7369] memfd_create("syzkaller", 0 [pid 7365] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... rmdir resumed>) = 0 [pid 7369] <... memfd_create resumed>) = 3 [pid 5071] getdents64(3, [pid 7369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7369] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] close(3 [pid 7368] 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"..., 4194304 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./188") = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5071] mkdir("./189", 0777 [pid 7365] <... ioctl resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5073] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./191/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, [pid 7365] close(3 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7365] <... close resumed>) = 0 [pid 5073] getdents64(4, [pid 5071] <... openat resumed>) = 3 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7365] mkdir("./file0", 0777 [pid 5073] getdents64(4, [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./191/file0" [pid 7365] <... mkdir resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./191") = 0 [pid 5071] close(3 [pid 7365] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] mkdir("./192", 0777 [pid 5071] <... close resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7371 [pid 5073] close(3) = 0 [ 252.466709][ T7366] REISERFS (device loop3): checking transaction log (loop3) [ 252.481123][ T7365] loop5: detected capacity change from 0 to 8192 [ 252.497818][ T7366] REISERFS (device loop3): Using r5 hash to sort names [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7369] 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"..., 4194304 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7372 ./strace-static-x86_64: Process 7371 attached [pid 7371] chdir("./189") = 0 [pid 7371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7371] setpgid(0, 0) = 0 [pid 7371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7371] write(3, "1000", 4) = 4 [pid 7371] close(3) = 0 [pid 7371] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7371] memfd_create("syzkaller", 0) = 3 [pid 7371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 ./strace-static-x86_64: Process 7372 attached [ 252.540148][ T7365] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.542393][ T7366] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7372] chdir("./192") = 0 [pid 7372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7366] <... mount resumed>) = 0 [pid 7372] <... prctl resumed>) = 0 [pid 7366] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7372] setpgid(0, 0) = 0 [pid 7372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7366] <... openat resumed>) = 3 [pid 7372] write(3, "1000", 4) = 4 [pid 7372] close(3 [ 252.591116][ T7365] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 252.591446][ T7366] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 252.612539][ T7365] REISERFS (device loop5): using ordered data mode [ 252.620167][ T7365] reiserfs: using flush barriers [pid 7366] chdir("./file0" [pid 7372] <... close resumed>) = 0 [pid 7366] <... chdir resumed>) = 0 [pid 7366] ioctl(4, LOOP_CLR_FD) = 0 [pid 7366] close(4) = 0 [pid 7366] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7366] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7366] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7366] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7366] exit_group(0) = ? [pid 7372] symlink("/dev/binderfs", "./binderfs" [pid 7366] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7366, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 7372] <... symlink resumed>) = 0 [pid 7372] memfd_create("syzkaller", 0) = 3 [pid 7372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7372] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./189/binderfs") = 0 [ 252.627661][ T7365] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5072] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5072] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./189/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./189/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./189") = 0 [pid 5072] mkdir("./190", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3 [pid 7371] 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"..., 4194304 [pid 7368] <... write resumed>) = 4194304 [pid 5072] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7373 [pid 7368] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7368] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7368] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7373 attached [pid 7373] chdir("./190") = 0 [pid 7373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7373] setpgid(0, 0) = 0 [pid 7373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7373] write(3, "1000", 4) = 4 [pid 7373] close(3) = 0 [pid 7373] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7373] memfd_create("syzkaller", 0) = 3 [pid 7373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7372] 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"..., 4194304 [pid 7368] <... ioctl resumed>) = 0 [pid 7368] close(3) = 0 [pid 7368] mkdir("./file0", 0777 [pid 7369] <... write resumed>) = 4194304 [pid 7368] <... mkdir resumed>) = 0 [pid 7368] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 252.725311][ T7368] loop0: detected capacity change from 0 to 8192 [ 252.748991][ T7365] REISERFS (device loop5): checking transaction log (loop5) [pid 7369] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7369] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 252.763374][ T7368] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.779733][ T7369] loop1: detected capacity change from 0 to 8192 [ 252.798822][ T7365] REISERFS (device loop5): Using r5 hash to sort names [ 252.801466][ T7368] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7369] ioctl(4, LOOP_SET_FD, 3 [pid 7373] 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"..., 4194304 [pid 7369] <... ioctl resumed>) = 0 [pid 7369] close(3) = 0 [pid 7369] mkdir("./file0", 0777) = 0 [ 252.808456][ T7365] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7371] <... write resumed>) = 4194304 [pid 7369] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7365] <... mount resumed>) = 0 [pid 7371] munmap(0x7f8a1b2e3000, 4194304 [ 252.848754][ T7365] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 252.858508][ T7368] REISERFS (device loop0): using ordered data mode [ 252.865050][ T7369] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.865073][ T7369] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 252.865156][ T7369] REISERFS (device loop1): using ordered data mode [ 252.865166][ T7369] reiserfs: using flush barriers [pid 7365] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7371] <... munmap resumed>) = 0 [pid 7365] <... openat resumed>) = 3 [pid 7371] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7365] chdir("./file0" [pid 7371] <... openat resumed>) = 4 [pid 7365] <... chdir resumed>) = 0 [ 252.867091][ T7369] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.878709][ T7368] reiserfs: using flush barriers [ 252.923577][ T7368] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.940334][ T7368] REISERFS (device loop0): checking transaction log (loop0) [pid 7371] ioctl(4, LOOP_SET_FD, 3 [pid 7365] ioctl(4, LOOP_CLR_FD) = 0 [pid 7365] close(4 [pid 7368] <... mount resumed>) = 0 [pid 7365] <... close resumed>) = 0 [pid 7371] <... ioctl resumed>) = 0 [pid 7365] mkdir(NULL, 000 [pid 7371] close(3 [pid 7365] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7371] <... close resumed>) = 0 [pid 7365] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7371] mkdir("./file0", 0777 [pid 7365] <... openat resumed>) = 4 [pid 7371] <... mkdir resumed>) = 0 [ 252.941828][ T7371] loop2: detected capacity change from 0 to 8192 [ 252.954797][ T7368] REISERFS (device loop0): Using r5 hash to sort names [ 252.963225][ T7368] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 252.976357][ T7368] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 252.987250][ T7369] REISERFS (device loop1): checking transaction log (loop1) [pid 7365] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7371] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7368] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7365] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7365] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7365] exit_group(0) = ? [pid 7365] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7365, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5074] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./193/binderfs" [pid 7368] <... openat resumed>) = 3 [pid 5074] <... unlink resumed>) = 0 [pid 7368] chdir("./file0" [pid 5074] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7373] <... write resumed>) = 4194304 [pid 7368] <... chdir resumed>) = 0 [pid 7373] munmap(0x7f8a1b2e3000, 4194304 [pid 7368] ioctl(4, LOOP_CLR_FD [pid 7373] <... munmap resumed>) = 0 [pid 7372] <... write resumed>) = 4194304 [pid 7369] <... mount resumed>) = 0 [pid 7368] <... ioctl resumed>) = 0 [pid 7373] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7372] munmap(0x7f8a1b2e3000, 4194304 [pid 7369] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7368] close(4 [pid 7373] <... openat resumed>) = 4 [ 252.996658][ T7369] REISERFS (device loop1): Using r5 hash to sort names [ 253.003734][ T7369] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 253.034607][ T7369] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7372] <... munmap resumed>) = 0 [pid 7369] <... openat resumed>) = 3 [pid 7368] <... close resumed>) = 0 [pid 7373] ioctl(4, LOOP_SET_FD, 3 [pid 7372] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7369] chdir("./file0" [pid 7368] mkdir(NULL, 000 [pid 7373] <... ioctl resumed>) = 0 [pid 7372] <... openat resumed>) = 4 [pid 7369] <... chdir resumed>) = 0 [pid 7368] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7373] close(3 [pid 7372] ioctl(4, LOOP_SET_FD, 3 [pid 7369] ioctl(4, LOOP_CLR_FD [pid 7368] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7373] <... close resumed>) = 0 [pid 7372] <... ioctl resumed>) = 0 [pid 7373] mkdir("./file0", 0777 [pid 7369] <... ioctl resumed>) = 0 [pid 7368] <... openat resumed>) = 4 [pid 7373] <... mkdir resumed>) = 0 [pid 7369] close(4 [pid 7368] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7372] close(3 [pid 7369] <... close resumed>) = 0 [pid 7368] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = 0 [pid 7372] <... close resumed>) = 0 [pid 7369] mkdir(NULL, 000 [ 253.035461][ T7371] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 253.051432][ T7373] loop3: detected capacity change from 0 to 8192 [ 253.076918][ T7372] loop4: detected capacity change from 0 to 8192 [ 253.086444][ T7371] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7368] mount(NULL, "./bus", NULL, 0, NULL [pid 7373] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7372] mkdir("./file0", 0777 [pid 7369] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7368] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7372] <... mkdir resumed>) = 0 [pid 7369] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7368] exit_group(0 [pid 7372] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7369] <... openat resumed>) = 4 [pid 7368] <... exit_group resumed>) = ? [pid 7369] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7368] +++ exited with 0 +++ [pid 7369] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7369] mount(NULL, "./bus", NULL, 0, NULL [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7368, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 7369] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5069] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7369] exit_group(0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7369] <... exit_group resumed>) = ? [pid 5069] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7369] +++ exited with 0 +++ [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 3 [pid 5074] lstat("./193/file0", [pid 5069] fstat(3, [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7369, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] getdents64(3, [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 253.097010][ T7371] REISERFS (device loop2): using ordered data mode [ 253.103611][ T7371] reiserfs: using flush barriers [ 253.110323][ T7371] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.129632][ T7371] REISERFS (device loop2): checking transaction log (loop2) [ 253.132899][ T7372] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] lstat("./185/binderfs", [pid 5074] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] unlink("./185/binderfs" [pid 5074] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... openat resumed>) = 3 [pid 5074] <... openat resumed>) = 4 [pid 5069] <... unlink resumed>) = 0 [pid 5074] fstat(4, [pid 5070] fstat(3, [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, [ 253.145875][ T7373] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 253.154073][ T7372] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 253.166094][ T7373] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 253.174957][ T7371] REISERFS (device loop2): Using r5 hash to sort names [ 253.182615][ T7373] REISERFS (device loop3): using ordered data mode [pid 5070] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(4 [pid 5070] lstat("./188/binderfs", [pid 5074] <... close resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] rmdir("./193/file0" [pid 5070] unlink("./188/binderfs" [pid 5074] <... rmdir resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3) = 0 [pid 5074] rmdir("./193") = 0 [pid 5074] mkdir("./194", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 253.204291][ T7372] REISERFS (device loop4): using ordered data mode [ 253.205709][ T7373] reiserfs: using flush barriers [ 253.211918][ T7372] reiserfs: using flush barriers [ 253.226062][ T7372] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.244454][ T7372] REISERFS (device loop4): checking transaction log (loop4) [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7379 [pid 7371] <... mount resumed>) = 0 [pid 7371] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 7379 attached [pid 7379] chdir("./194" [pid 7371] <... openat resumed>) = 3 [ 253.252710][ T7371] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 253.265921][ T7371] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 253.283462][ T7373] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7379] <... chdir resumed>) = 0 [pid 7371] chdir("./file0" [pid 7379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7379] setpgid(0, 0) = 0 [pid 7379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7379] write(3, "1000", 4 [pid 7371] <... chdir resumed>) = 0 [pid 7379] <... write resumed>) = 4 [pid 7371] ioctl(4, LOOP_CLR_FD [pid 7379] close(3 [pid 7371] <... ioctl resumed>) = 0 [pid 7379] <... close resumed>) = 0 [pid 7371] close(4 [pid 7379] symlink("/dev/binderfs", "./binderfs" [pid 7371] <... close resumed>) = 0 [pid 7379] <... symlink resumed>) = 0 [pid 7371] mkdir(NULL, 000 [pid 7379] memfd_create("syzkaller", 0 [pid 7371] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7379] <... memfd_create resumed>) = 3 [pid 7371] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 253.303606][ T7372] REISERFS (device loop4): Using r5 hash to sort names [ 253.306736][ T7373] REISERFS (device loop3): checking transaction log (loop3) [ 253.328543][ T7373] REISERFS (device loop3): Using r5 hash to sort names [pid 7371] <... openat resumed>) = 4 [pid 7371] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7371] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7371] exit_group(0) = ? [pid 7371] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7371, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./189/binderfs") = 0 [ 253.350339][ T7373] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 253.374482][ T7372] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5071] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./185/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7373] <... mount resumed>) = 0 [pid 7372] <... mount resumed>) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 7373] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] rmdir("./185/file0" [pid 7373] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = 0 [pid 7373] chdir("./file0" [pid 7372] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... rmdir resumed>) = 0 [pid 7373] <... chdir resumed>) = 0 [pid 7372] <... openat resumed>) = 3 [pid 5070] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7373] ioctl(4, LOOP_CLR_FD [pid 7372] chdir("./file0" [pid 5069] getdents64(3, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7373] <... ioctl resumed>) = 0 [pid 7372] <... chdir resumed>) = 0 [pid 5070] lstat("./188/file0", [pid 5069] close(3 [pid 7373] close(4 [pid 7372] ioctl(4, LOOP_CLR_FD [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 5070] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7373] <... close resumed>) = 0 [pid 7372] <... ioctl resumed>) = 0 [pid 5069] rmdir("./185" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] mkdir("./186", 0777 [pid 7373] mkdir(NULL, 000 [pid 5070] <... openat resumed>) = 4 [pid 5069] <... mkdir resumed>) = 0 [pid 7373] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] fstat(4, [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7373] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7373] <... openat resumed>) = 4 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7373] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] getdents64(4, [pid 5069] close(3 [pid 7373] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7372] close(4 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 7373] mount(NULL, "./bus", NULL, 0, NULL [pid 7372] <... close resumed>) = 0 [pid 5070] close(4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7373] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7372] mkdir(NULL, 000 [pid 5070] <... close resumed>) = 0 [pid 7373] exit_group(0 [pid 7372] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] rmdir("./188/file0" [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7380 [pid 7373] <... exit_group resumed>) = ? [pid 7372] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] <... rmdir resumed>) = 0 [pid 5070] getdents64(3, [ 253.399732][ T7373] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 253.409845][ T7372] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7379] 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"..., 4194304 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7373] +++ exited with 0 +++ [pid 7372] <... openat resumed>) = 4 [pid 5070] close(3) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7373, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5070] rmdir("./188" [pid 7372] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5070] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7380 attached [pid 7372] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... restart_syscall resumed>) = 0 [pid 5070] mkdir("./189", 0777 [pid 7380] chdir("./186" [pid 7372] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] <... mkdir resumed>) = 0 [pid 7380] <... chdir resumed>) = 0 [pid 7372] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7372] exit_group(0 [pid 5072] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 3 [pid 7380] <... prctl resumed>) = 0 [pid 7372] <... exit_group resumed>) = ? [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7380] setpgid(0, 0 [pid 5072] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7380] <... setpgid resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5070] close(3 [pid 7380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] fstat(3, [pid 5070] <... close resumed>) = 0 [pid 7380] <... openat resumed>) = 3 [pid 7372] +++ exited with 0 +++ [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7380] write(3, "1000", 4 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7372, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5072] getdents64(3, [pid 7380] <... write resumed>) = 4 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7381 [pid 7380] close(3 [pid 5073] <... restart_syscall resumed>) = 0 [pid 5072] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7380] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7380] symlink("/dev/binderfs", "./binderfs" [pid 5072] lstat("./190/binderfs", [pid 7380] <... symlink resumed>) = 0 [pid 5073] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7380] memfd_create("syzkaller", 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] unlink("./190/binderfs" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7380] <... memfd_create resumed>) = 3 [pid 5073] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... unlink resumed>) = 0 [pid 7380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... openat resumed>) = 3 [pid 5072] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./189/file0", ./strace-static-x86_64: Process 7381 attached [pid 7380] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] fstat(3, [pid 7381] chdir("./189" [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7381] <... chdir resumed>) = 0 [pid 5073] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7381] <... prctl resumed>) = 0 [pid 5073] lstat("./192/binderfs", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7381] setpgid(0, 0 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7381] <... setpgid resumed>) = 0 [pid 5073] unlink("./192/binderfs" [pid 5071] <... openat resumed>) = 4 [pid 7381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... unlink resumed>) = 0 [pid 5071] fstat(4, [pid 7381] <... openat resumed>) = 3 [pid 5073] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7381] write(3, "1000", 4 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7381] <... write resumed>) = 4 [pid 5071] getdents64(4, [pid 7381] close(3 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7381] <... close resumed>) = 0 [pid 5071] getdents64(4, [pid 7381] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7381] <... symlink resumed>) = 0 [pid 5071] close(4 [pid 7381] memfd_create("syzkaller", 0 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./189/file0" [pid 7381] <... memfd_create resumed>) = 3 [pid 7381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... rmdir resumed>) = 0 [pid 7381] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./189") = 0 [pid 5071] mkdir("./190", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7382 ./strace-static-x86_64: Process 7382 attached [pid 7382] chdir("./190" [pid 7380] 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"..., 4194304 [pid 7382] <... chdir resumed>) = 0 [pid 7382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7382] setpgid(0, 0) = 0 [pid 7382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7382] write(3, "1000", 4 [pid 7379] <... write resumed>) = 4194304 [pid 7382] <... write resumed>) = 4 [pid 7379] munmap(0x7f8a1b2e3000, 4194304 [pid 7382] close(3) = 0 [pid 7379] <... munmap resumed>) = 0 [pid 7382] symlink("/dev/binderfs", "./binderfs" [pid 7379] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7382] <... symlink resumed>) = 0 [pid 7379] <... openat resumed>) = 4 [pid 7379] ioctl(4, LOOP_SET_FD, 3 [pid 7382] memfd_create("syzkaller", 0) = 3 [pid 5073] <... umount2 resumed>) = 0 [pid 7382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7382] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./190/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 7379] <... ioctl resumed>) = 0 [pid 5072] rmdir("./190/file0" [pid 7379] close(3 [pid 5072] <... rmdir resumed>) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7379] <... close resumed>) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./190" [pid 7379] mkdir("./file0", 0777 [pid 5072] <... rmdir resumed>) = 0 [pid 5073] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] mkdir("./191", 0777 [pid 7379] <... mkdir resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... mkdir resumed>) = 0 [pid 7381] 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"..., 4194304 [pid 7379] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] lstat("./192/file0", [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5073] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] close(3 [pid 5073] <... openat resumed>) = 4 [pid 5072] <... close resumed>) = 0 [pid 5073] fstat(4, [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7384 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./192/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [ 253.644023][ T7379] loop5: detected capacity change from 0 to 8192 [pid 5073] close(3) = 0 [pid 5073] rmdir("./192"./strace-static-x86_64: Process 7384 attached ) = 0 [pid 7384] chdir("./191" [pid 5073] mkdir("./193", 0777 [pid 7384] <... chdir resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 7384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7384] <... prctl resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 7384] setpgid(0, 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 7384] <... setpgid resumed>) = 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] close(3 [pid 7384] <... openat resumed>) = 3 [pid 5073] <... close resumed>) = 0 [pid 7384] write(3, "1000", 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7384] <... write resumed>) = 4 [pid 7384] close(3 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7385 [pid 7384] <... close resumed>) = 0 [pid 7384] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7384] memfd_create("syzkaller", 0) = 3 [pid 7384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 ./strace-static-x86_64: Process 7385 attached [pid 7385] chdir("./193") = 0 [ 253.688913][ T7379] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7382] 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"..., 4194304 [pid 7385] <... prctl resumed>) = 0 [pid 7385] setpgid(0, 0 [pid 7380] <... write resumed>) = 4194304 [pid 7385] <... setpgid resumed>) = 0 [pid 7385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7380] munmap(0x7f8a1b2e3000, 4194304 [pid 7385] <... openat resumed>) = 3 [pid 7385] write(3, "1000", 4) = 4 [pid 7385] close(3) = 0 [pid 7385] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7385] memfd_create("syzkaller", 0) = 3 [pid 7385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7380] <... munmap resumed>) = 0 [pid 7380] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7385] <... mmap resumed>) = 0x7f8a1b2e3000 [ 253.742259][ T7379] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 7380] <... openat resumed>) = 4 [pid 7380] ioctl(4, LOOP_SET_FD, 3 [pid 7381] <... write resumed>) = 4194304 [pid 7381] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7381] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7381] ioctl(4, LOOP_SET_FD, 3 [pid 7380] <... ioctl resumed>) = 0 [pid 7380] close(3) = 0 [pid 7380] mkdir("./file0", 0777 [pid 7384] 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"..., 4194304 [pid 7380] <... mkdir resumed>) = 0 [ 253.784727][ T7380] loop0: detected capacity change from 0 to 8192 [ 253.793127][ T7379] REISERFS (device loop5): using ordered data mode [ 253.804379][ T7381] loop1: detected capacity change from 0 to 8192 [pid 7380] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7381] <... ioctl resumed>) = 0 [pid 7381] close(3) = 0 [pid 7381] mkdir("./file0", 0777) = 0 [pid 7381] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7382] <... write resumed>) = 4194304 [pid 7382] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7382] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 253.828223][ T7380] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 253.836268][ T7379] reiserfs: using flush barriers [ 253.856751][ T7381] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 253.863897][ T7382] loop2: detected capacity change from 0 to 8192 [ 253.876330][ T7380] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7382] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7382] close(3) = 0 [pid 7382] mkdir("./file0", 0777) = 0 [pid 7382] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7385] 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"..., 4194304 [pid 7384] <... write resumed>) = 4194304 [ 253.876430][ T7380] REISERFS (device loop0): using ordered data mode [ 253.898343][ T7379] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.911757][ T7380] reiserfs: using flush barriers [ 253.915950][ T7381] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7384] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7384] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7384] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7384] close(3) = 0 [ 253.929401][ T7382] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 253.945333][ T7384] loop3: detected capacity change from 0 to 8192 [ 253.947201][ T7382] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 253.963365][ T7380] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7384] mkdir("./file0", 0777 [pid 7385] <... write resumed>) = 4194304 [pid 7384] <... mkdir resumed>) = 0 [pid 7385] munmap(0x7f8a1b2e3000, 4194304 [pid 7384] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7385] <... munmap resumed>) = 0 [pid 7385] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 253.967978][ T7379] REISERFS (device loop5): checking transaction log (loop5) [ 253.981196][ T7381] REISERFS (device loop1): using ordered data mode [ 253.988357][ T7379] REISERFS (device loop5): Using r5 hash to sort names [ 253.995184][ T7381] reiserfs: using flush barriers [ 254.002491][ T7379] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.007388][ T7380] REISERFS (device loop0): checking transaction log (loop0) [ 254.018319][ T7382] REISERFS (device loop2): using ordered data mode [pid 7385] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7385] close(3) = 0 [pid 7385] mkdir("./file0", 0777) = 0 [ 254.026930][ T7385] loop4: detected capacity change from 0 to 8192 [ 254.032115][ T7382] reiserfs: using flush barriers [ 254.044357][ T7382] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.052887][ T7379] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 254.070802][ T7384] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 254.070826][ T7381] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.100193][ T7381] REISERFS (device loop1): checking transaction log (loop1) [ 254.101066][ T7380] REISERFS (device loop0): Using r5 hash to sort names [ 254.108729][ T7382] REISERFS (device loop2): checking transaction log (loop2) [ 254.114951][ T7385] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7385] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7379] <... mount resumed>) = 0 [pid 7379] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 254.123033][ T7381] REISERFS (device loop1): Using r5 hash to sort names [ 254.134830][ T7385] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 254.142094][ T7380] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.165601][ T7382] REISERFS (device loop2): Using r5 hash to sort names [ 254.166009][ T7384] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7379] chdir("./file0") = 0 [pid 7379] ioctl(4, LOOP_CLR_FD) = 0 [pid 7379] close(4) = 0 [pid 7379] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7379] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7379] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7379] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7379] exit_group(0) = ? [pid 7379] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7379, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5074] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7381] <... mount resumed>) = 0 [ 254.173269][ T7382] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.183567][ T7385] REISERFS (device loop4): using ordered data mode [ 254.194673][ T7381] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.213903][ T7381] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 254.224613][ T7384] REISERFS (device loop3): using ordered data mode [pid 5074] unlink("./194/binderfs" [pid 7381] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7380] <... mount resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 7381] <... openat resumed>) = 3 [pid 7380] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7382] <... mount resumed>) = 0 [pid 7382] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7382] chdir("./file0") = 0 [pid 7382] ioctl(4, LOOP_CLR_FD) = 0 [ 254.238419][ T7380] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 254.239703][ T7384] reiserfs: using flush barriers [ 254.248337][ T7385] reiserfs: using flush barriers [ 254.255444][ T7382] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 254.259043][ T7385] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7382] close(4 [pid 7381] chdir("./file0" [pid 7380] <... openat resumed>) = 3 [pid 7381] <... chdir resumed>) = 0 [pid 7380] chdir("./file0" [pid 7381] ioctl(4, LOOP_CLR_FD [pid 7380] <... chdir resumed>) = 0 [pid 7381] <... ioctl resumed>) = 0 [pid 7380] ioctl(4, LOOP_CLR_FD [pid 7381] close(4 [pid 7380] <... ioctl resumed>) = 0 [pid 7381] <... close resumed>) = 0 [pid 7380] close(4 [pid 7381] mkdir(NULL, 000 [pid 7380] <... close resumed>) = 0 [pid 7382] <... close resumed>) = 0 [pid 7381] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7380] mkdir(NULL, 000 [pid 7382] mkdir(NULL, 000 [pid 7381] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7380] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7382] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7381] <... openat resumed>) = 4 [pid 7380] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7382] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7381] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7382] <... openat resumed>) = 4 [pid 7382] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7380] <... openat resumed>) = 4 [pid 7382] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7381] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7380] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7382] mount(NULL, "./bus", NULL, 0, NULL [pid 7381] mount(NULL, "./bus", NULL, 0, NULL [pid 7380] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7382] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7381] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7380] mount(NULL, "./bus", NULL, 0, NULL [pid 7382] exit_group(0 [pid 7381] exit_group(0 [pid 7380] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7382] <... exit_group resumed>) = ? [pid 7381] <... exit_group resumed>) = ? [pid 7380] exit_group(0 [pid 7382] +++ exited with 0 +++ [pid 7381] +++ exited with 0 +++ [pid 7380] <... exit_group resumed>) = ? [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7382, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7381, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7380] +++ exited with 0 +++ [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5071] <... restart_syscall resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7380, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [ 254.286455][ T7384] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.293856][ T7385] REISERFS (device loop4): checking transaction log (loop4) [pid 5071] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = 0 [pid 5071] fstat(3, [pid 5070] fstat(3, [pid 5069] fstat(3, [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, [pid 5070] getdents64(3, [pid 5069] getdents64(3, [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./190/binderfs", [pid 5070] lstat("./189/binderfs", [pid 5069] lstat("./186/binderfs", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./190/binderfs" [pid 5070] unlink("./189/binderfs" [pid 5069] unlink("./186/binderfs" [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5071] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7385] <... mount resumed>) = 0 [pid 5074] lstat("./194/file0", [pid 7385] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 254.355714][ T7385] REISERFS (device loop4): Using r5 hash to sort names [ 254.362983][ T7385] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.370164][ T7384] REISERFS (device loop3): checking transaction log (loop3) [ 254.376434][ T7385] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 254.394504][ T7384] REISERFS (device loop3): Using r5 hash to sort names [pid 7385] <... openat resumed>) = 3 [pid 5074] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7385] chdir("./file0" [pid 7384] <... mount resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7385] <... chdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7385] ioctl(4, LOOP_CLR_FD [pid 5074] <... openat resumed>) = 4 [pid 7385] <... ioctl resumed>) = 0 [pid 5074] fstat(4, [pid 7385] close(4 [pid 7384] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7385] <... close resumed>) = 0 [pid 7384] <... openat resumed>) = 3 [pid 5074] getdents64(4, [pid 7385] mkdir(NULL, 000 [pid 7384] chdir("./file0" [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... umount2 resumed>) = 0 [pid 7385] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7384] <... chdir resumed>) = 0 [pid 5074] getdents64(4, [pid 7385] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7384] ioctl(4, LOOP_CLR_FD [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7385] <... openat resumed>) = 4 [pid 7384] <... ioctl resumed>) = 0 [pid 5074] close(4 [pid 5070] <... umount2 resumed>) = 0 [pid 7385] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7384] close(4 [pid 5074] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7385] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7384] <... close resumed>) = 0 [pid 5074] rmdir("./194/file0" [pid 5070] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7385] mount(NULL, "./bus", NULL, 0, NULL [pid 7384] mkdir(NULL, 000 [pid 5074] <... rmdir resumed>) = 0 [pid 5069] lstat("./186/file0", [pid 7385] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7384] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] getdents64(3, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7385] exit_group(0 [pid 7384] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] lstat("./189/file0", [ 254.403159][ T7384] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 254.425255][ T7384] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7385] <... exit_group resumed>) = ? [pid 7384] <... openat resumed>) = 4 [pid 5074] close(3 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7385] +++ exited with 0 +++ [pid 7384] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... close resumed>) = 0 [pid 5070] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7384] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] rmdir("./194" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 7384] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... rmdir resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7385, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5070] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] fstat(4, [pid 7384] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] mkdir("./195", 0777 [pid 5070] <... openat resumed>) = 4 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7384] exit_group(0 [pid 5074] <... mkdir resumed>) = 0 [pid 5070] fstat(4, [pid 5069] getdents64(4, [pid 7384] <... exit_group resumed>) = ? [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7384] +++ exited with 0 +++ [pid 5074] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7384, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(4, [pid 5069] close(4 [pid 5074] close(3 [pid 5073] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5070] close(4 [pid 5069] rmdir("./186/file0" [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... openat resumed>) = 3 [pid 5072] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5073] fstat(3, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = 0 [pid 5070] rmdir("./189/file0" [pid 5069] getdents64(3, ./strace-static-x86_64: Process 7391 attached [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7391 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] getdents64(3, [pid 5070] getdents64(3, [pid 5069] close(3 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 5073] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] fstat(3, [pid 5070] close(3 [pid 5069] rmdir("./186" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 7391] chdir("./195" [pid 5073] lstat("./193/binderfs", [pid 5072] getdents64(3, [pid 5070] rmdir("./189" [pid 5069] mkdir("./187", 0777 [pid 7391] <... chdir resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 7391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] unlink("./193/binderfs" [pid 5072] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] mkdir("./190", 0777 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5073] <... unlink resumed>) = 0 [pid 7391] <... prctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 3 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] close(3 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... close resumed>) = 0 [pid 5070] close(3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7391] setpgid(0, 0 [pid 5073] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] lstat("./191/binderfs", [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7392 [pid 7391] <... setpgid resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7393 [pid 7391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] unlink("./191/binderfs" [pid 7391] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7393 attached [pid 7393] chdir("./190" [pid 7391] write(3, "1000", 4 [pid 5072] <... unlink resumed>) = 0 [pid 7391] <... write resumed>) = 4 [pid 7391] close(3 [pid 5072] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7392 attached [pid 7393] <... chdir resumed>) = 0 [pid 7391] <... close resumed>) = 0 [pid 7393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7392] chdir("./187" [pid 7391] symlink("/dev/binderfs", "./binderfs" [pid 7393] <... prctl resumed>) = 0 [pid 7392] <... chdir resumed>) = 0 [pid 7393] setpgid(0, 0 [pid 7392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] <... setpgid resumed>) = 0 [pid 7392] <... prctl resumed>) = 0 [pid 7393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7392] setpgid(0, 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7391] <... symlink resumed>) = 0 [pid 7393] <... openat resumed>) = 3 [pid 7392] <... setpgid resumed>) = 0 [pid 5071] lstat("./190/file0", [pid 7393] write(3, "1000", 4 [pid 7392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7391] memfd_create("syzkaller", 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7393] <... write resumed>) = 4 [pid 7392] <... openat resumed>) = 3 [pid 5071] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] close(3 [pid 7392] write(3, "1000", 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7393] <... close resumed>) = 0 [pid 7392] <... write resumed>) = 4 [pid 5071] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7393] symlink("/dev/binderfs", "./binderfs" [pid 7392] close(3 [pid 5071] <... openat resumed>) = 4 [pid 7393] <... symlink resumed>) = 0 [pid 7392] <... close resumed>) = 0 [pid 5071] fstat(4, [pid 7393] memfd_create("syzkaller", 0 [pid 7392] symlink("/dev/binderfs", "./binderfs" [pid 7391] <... memfd_create resumed>) = 3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7393] <... memfd_create resumed>) = 3 [pid 7392] <... symlink resumed>) = 0 [pid 7391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] getdents64(4, [pid 7393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7392] memfd_create("syzkaller", 0 [pid 7391] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7393] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7392] <... memfd_create resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... umount2 resumed>) = 0 [pid 7392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] getdents64(4, [pid 7392] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7391] 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"..., 4194304 [pid 5071] close(4) = 0 [pid 5071] rmdir("./190/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./190") = 0 [pid 5071] mkdir("./191", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7394 ./strace-static-x86_64: Process 7394 attached [pid 7394] chdir("./191") = 0 [pid 7394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7394] setpgid(0, 0) = 0 [pid 7394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7394] write(3, "1000", 4) = 4 [pid 7394] close(3) = 0 [pid 7394] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7394] memfd_create("syzkaller", 0) = 3 [pid 5073] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7394] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... umount2 resumed>) = 0 [pid 5073] lstat("./193/file0", [pid 5072] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] lstat("./191/file0", [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... openat resumed>) = 4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] fstat(4, [pid 5072] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 5072] <... openat resumed>) = 4 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] fstat(4, [pid 5073] getdents64(4, [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] getdents64(4, [pid 5073] close(4 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... close resumed>) = 0 [pid 5072] getdents64(4, [pid 5073] rmdir("./193/file0" [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5072] close(4 [pid 5073] getdents64(3, [pid 5072] <... close resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] rmdir("./191/file0" [pid 5073] close(3) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5073] rmdir("./193" [pid 5072] getdents64(3, [pid 5073] <... rmdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] mkdir("./194", 0777 [pid 5072] close(3 [pid 5073] <... mkdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5072] rmdir("./191" [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 7393] 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"..., 4194304 [pid 7392] 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"..., 4194304 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] mkdir("./192", 0777 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7395 [pid 5072] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 7395 attached [pid 5072] close(3 [pid 7395] chdir("./194") = 0 [pid 5072] <... close resumed>) = 0 [pid 7395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7395] <... prctl resumed>) = 0 [pid 7395] setpgid(0, 0) = 0 [pid 7395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7396 [pid 7395] <... openat resumed>) = 3 [pid 7395] write(3, "1000", 4) = 4 [pid 7395] close(3) = 0 ./strace-static-x86_64: Process 7396 attached [pid 7395] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7395] memfd_create("syzkaller", 0 [pid 7396] chdir("./192" [pid 7395] <... memfd_create resumed>) = 3 [pid 7396] <... chdir resumed>) = 0 [pid 7395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7396] setpgid(0, 0) = 0 [pid 7391] <... write resumed>) = 4194304 [pid 7396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7391] munmap(0x7f8a1b2e3000, 4194304 [pid 7396] <... openat resumed>) = 3 [pid 7396] write(3, "1000", 4 [pid 7391] <... munmap resumed>) = 0 [pid 7396] <... write resumed>) = 4 [pid 7394] 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"..., 4194304 [pid 7391] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7396] close(3 [pid 7391] <... openat resumed>) = 4 [pid 7396] <... close resumed>) = 0 [pid 7391] ioctl(4, LOOP_SET_FD, 3 [pid 7396] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7391] <... ioctl resumed>) = 0 [pid 7396] memfd_create("syzkaller", 0) = 3 [pid 7396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7391] close(3) = 0 [pid 7391] mkdir("./file0", 0777) = 0 [ 254.787679][ T7391] loop5: detected capacity change from 0 to 8192 [pid 7391] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7392] <... write resumed>) = 4194304 [pid 7392] munmap(0x7f8a1b2e3000, 4194304 [pid 7396] 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"..., 4194304 [pid 7395] 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"..., 4194304 [pid 7392] <... munmap resumed>) = 0 [ 254.827106][ T7391] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7392] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7393] <... write resumed>) = 4194304 [pid 7392] close(3 [pid 7393] munmap(0x7f8a1b2e3000, 4194304 [pid 7392] <... close resumed>) = 0 [pid 7392] mkdir("./file0", 0777 [pid 7393] <... munmap resumed>) = 0 [pid 7392] <... mkdir resumed>) = 0 [pid 7393] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7392] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7393] <... openat resumed>) = 4 [ 254.893384][ T7392] loop0: detected capacity change from 0 to 8192 [ 254.927641][ T7392] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7393] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7393] close(3) = 0 [pid 7393] mkdir("./file0", 0777) = 0 [pid 7393] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7396] <... write resumed>) = 4194304 [pid 7396] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7396] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7394] <... write resumed>) = 4194304 [pid 7396] <... openat resumed>) = 4 [ 254.941614][ T7393] loop1: detected capacity change from 0 to 8192 [ 254.942045][ T7391] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 254.956310][ T7392] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 254.975625][ T7392] REISERFS (device loop0): using ordered data mode [ 254.982861][ T7392] reiserfs: using flush barriers [pid 7396] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7395] <... write resumed>) = 4194304 [pid 7395] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7395] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 254.987361][ T7396] loop3: detected capacity change from 0 to 8192 [ 254.989845][ T7391] REISERFS (device loop5): using ordered data mode [ 255.001110][ T7392] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.014421][ T7391] reiserfs: using flush barriers [ 255.017873][ T7393] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.028808][ T7395] loop4: detected capacity change from 0 to 8192 [pid 7395] ioctl(4, LOOP_SET_FD, 3 [pid 7396] close(3 [pid 7395] <... ioctl resumed>) = 0 [pid 7394] munmap(0x7f8a1b2e3000, 4194304 [pid 7396] <... close resumed>) = 0 [pid 7395] close(3 [pid 7396] mkdir("./file0", 0777 [pid 7395] <... close resumed>) = 0 [pid 7394] <... munmap resumed>) = 0 [ 255.036191][ T7391] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.041972][ T7392] REISERFS (device loop0): checking transaction log (loop0) [ 255.066479][ T7393] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 255.067790][ T7392] REISERFS (device loop0): Using r5 hash to sort names [ 255.076619][ T7393] REISERFS (device loop1): using ordered data mode [pid 7396] <... mkdir resumed>) = 0 [pid 7395] mkdir("./file0", 0777 [pid 7394] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7396] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7395] <... mkdir resumed>) = 0 [pid 7394] <... openat resumed>) = 4 [pid 7395] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7394] ioctl(4, LOOP_SET_FD, 3 [pid 7392] <... mount resumed>) = 0 [ 255.083874][ T7392] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.090377][ T7391] REISERFS (device loop5): checking transaction log (loop5) [ 255.103306][ T7392] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 255.110028][ T7393] reiserfs: using flush barriers [ 255.119457][ T7391] REISERFS (device loop5): Using r5 hash to sort names [ 255.125319][ T7394] loop2: detected capacity change from 0 to 8192 [pid 7392] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7394] <... ioctl resumed>) = 0 [pid 7392] <... openat resumed>) = 3 [ 255.130650][ T7391] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.149958][ T7391] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 255.150277][ T7396] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.159568][ T7393] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7394] close(3 [pid 7392] chdir("./file0" [pid 7391] <... mount resumed>) = 0 [pid 7394] <... close resumed>) = 0 [pid 7392] <... chdir resumed>) = 0 [pid 7391] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7394] mkdir("./file0", 0777 [pid 7392] ioctl(4, LOOP_CLR_FD [pid 7391] <... openat resumed>) = 3 [pid 7394] <... mkdir resumed>) = 0 [pid 7392] <... ioctl resumed>) = 0 [pid 7391] chdir("./file0" [pid 7394] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7392] close(4 [pid 7391] <... chdir resumed>) = 0 [pid 7392] <... close resumed>) = 0 [pid 7391] ioctl(4, LOOP_CLR_FD [pid 7392] mkdir(NULL, 000 [pid 7391] <... ioctl resumed>) = 0 [pid 7392] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7391] close(4 [pid 7392] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7391] <... close resumed>) = 0 [pid 7392] <... openat resumed>) = 4 [pid 7391] mkdir(NULL, 000 [pid 7392] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7391] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7392] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7391] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7392] mount(NULL, "./bus", NULL, 0, NULL [pid 7391] <... openat resumed>) = 4 [pid 7392] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 255.173297][ T7395] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.188546][ T7393] REISERFS (device loop1): checking transaction log (loop1) [ 255.211055][ T7396] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 255.221077][ T7396] REISERFS (device loop3): using ordered data mode [ 255.228296][ T7396] reiserfs: using flush barriers [pid 7391] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7392] exit_group(0 [pid 7391] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7392] <... exit_group resumed>) = ? [pid 7391] mount(NULL, "./bus", NULL, 0, NULL [pid 7392] +++ exited with 0 +++ [pid 7391] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7391] exit_group(0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7392, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7391] <... exit_group resumed>) = ? [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 7391] +++ exited with 0 +++ [ 255.233837][ T7394] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.235015][ T7396] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.249033][ T7393] REISERFS (device loop1): Using r5 hash to sort names [ 255.263641][ T7396] REISERFS (device loop3): checking transaction log (loop3) [ 255.277867][ T7395] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 255.287486][ T7396] REISERFS (device loop3): Using r5 hash to sort names [pid 5069] <... restart_syscall resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7391, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5074] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 255.287558][ T7395] REISERFS (device loop4): using ordered data mode [ 255.294561][ T7396] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.301052][ T7395] reiserfs: using flush barriers [ 255.319749][ T7394] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 255.321762][ T7395] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5074] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5074] fstat(3, [pid 5069] fstat(3, [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, [pid 5069] getdents64(3, [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./195/binderfs", [pid 5069] lstat("./187/binderfs", [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./195/binderfs" [pid 5069] unlink("./187/binderfs" [pid 5074] <... unlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5074] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 255.329193][ T7394] REISERFS (device loop2): using ordered data mode [ 255.359184][ T7393] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.367238][ T7396] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 255.372667][ T7393] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] <... mount resumed>) = 0 [pid 7393] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7393] chdir("./file0") = 0 [pid 7393] ioctl(4, LOOP_CLR_FD) = 0 [pid 7393] close(4) = 0 [pid 7393] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7393] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5074] <... umount2 resumed>) = 0 [pid 7393] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7393] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] lstat("./195/file0", [pid 7393] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7393] exit_group(0 [pid 5074] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] <... exit_group resumed>) = ? [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7393] +++ exited with 0 +++ [pid 5074] <... openat resumed>) = 4 [pid 5074] fstat(4, [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7393, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] close(4 [pid 5070] <... openat resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 5070] fstat(3, [pid 5074] rmdir("./195/file0" [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5074] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 5070] lstat("./190/binderfs", [pid 5074] rmdir("./195" [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... rmdir resumed>) = 0 [ 255.390718][ T7395] REISERFS (device loop4): checking transaction log (loop4) [ 255.400054][ T7394] reiserfs: using flush barriers [ 255.413171][ T7394] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.413518][ T7395] REISERFS (device loop4): Using r5 hash to sort names [pid 5070] unlink("./190/binderfs" [pid 5074] mkdir("./196", 0777 [pid 5070] <... unlink resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5070] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7403 [pid 7396] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7403 attached [pid 7396] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... umount2 resumed>) = 0 [pid 7396] <... openat resumed>) = 3 [pid 7403] chdir("./196" [pid 7396] chdir("./file0" [pid 7403] <... chdir resumed>) = 0 [pid 7396] <... chdir resumed>) = 0 [pid 7403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7396] ioctl(4, LOOP_CLR_FD [pid 7403] <... prctl resumed>) = 0 [pid 7396] <... ioctl resumed>) = 0 [pid 7403] setpgid(0, 0 [pid 7396] close(4 [pid 5069] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7403] <... setpgid resumed>) = 0 [pid 7403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7396] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7403] <... openat resumed>) = 3 [pid 7396] mkdir(NULL, 000 [pid 7403] write(3, "1000", 4 [pid 7396] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5069] lstat("./187/file0", [pid 7403] <... write resumed>) = 4 [pid 7396] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7403] close(3 [pid 7396] <... openat resumed>) = 4 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7403] <... close resumed>) = 0 [pid 7396] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7396] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7396] exit_group(0) = ? [pid 7403] symlink("/dev/binderfs", "./binderfs" [pid 7396] +++ exited with 0 +++ [pid 5069] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7403] <... symlink resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7396, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7403] memfd_create("syzkaller", 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 7403] <... memfd_create resumed>) = 3 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5069] <... openat resumed>) = 4 [pid 5072] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] fstat(4, [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(4, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./192/binderfs", [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./192/binderfs" [pid 5069] getdents64(4, [pid 5072] <... unlink resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(4) = 0 [pid 5069] rmdir("./187/file0") = 0 [ 255.517458][ T7394] REISERFS (device loop2): checking transaction log (loop2) [ 255.527940][ T7395] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.541938][ T7394] REISERFS (device loop2): Using r5 hash to sort names [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./187") = 0 [pid 5069] mkdir("./188", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7404 [pid 7403] 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"..., 4194304 [pid 5070] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./190/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7404 attached [pid 5070] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7404] chdir("./188" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 255.596780][ T7394] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 255.602450][ T7395] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7404] <... chdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] fstat(4, [pid 7404] setpgid(0, 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7404] <... setpgid resumed>) = 0 [pid 5070] getdents64(4, [pid 7404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7404] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 7404] write(3, "1000", 4 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7404] <... write resumed>) = 4 [pid 5070] close(4 [pid 7404] close(3 [pid 5070] <... close resumed>) = 0 [pid 7404] <... close resumed>) = 0 [pid 5070] rmdir("./190/file0" [pid 7404] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... rmdir resumed>) = 0 [pid 7404] <... symlink resumed>) = 0 [pid 5070] getdents64(3, [pid 7404] memfd_create("syzkaller", 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7404] <... memfd_create resumed>) = 3 [pid 5070] close(3 [pid 7404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... close resumed>) = 0 [pid 7404] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5070] rmdir("./190") = 0 [pid 5070] mkdir("./191", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 7395] <... mount resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 7395] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7395] <... openat resumed>) = 3 [pid 7395] chdir("./file0" [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7405 [pid 7395] <... chdir resumed>) = 0 [pid 7395] ioctl(4, LOOP_CLR_FD) = 0 [pid 7395] close(4) = 0 [pid 7395] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7395] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5072] <... umount2 resumed>) = 0 [pid 7395] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7395] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) ./strace-static-x86_64: Process 7405 attached [pid 7395] exit_group(0) = ? [pid 7405] chdir("./191" [pid 7395] +++ exited with 0 +++ [pid 7394] <... mount resumed>) = 0 [pid 7405] <... chdir resumed>) = 0 [pid 7394] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7395, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} --- [pid 7405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7394] chdir("./file0" [pid 5073] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7394] <... chdir resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7405] <... prctl resumed>) = 0 [pid 7394] ioctl(4, LOOP_CLR_FD [pid 5073] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7405] setpgid(0, 0 [pid 7394] <... ioctl resumed>) = 0 [ 255.673177][ T7394] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] <... openat resumed>) = 3 [pid 7394] close(4 [pid 5073] fstat(3, [pid 7405] <... setpgid resumed>) = 0 [pid 7394] <... close resumed>) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7394] mkdir(NULL, 000 [pid 5073] getdents64(3, [pid 5072] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7405] <... openat resumed>) = 3 [pid 7394] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7405] write(3, "1000", 4 [pid 7394] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7405] <... write resumed>) = 4 [pid 7394] <... openat resumed>) = 4 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./192/file0", [pid 7405] close(3 [pid 7394] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] lstat("./194/binderfs", [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7405] <... close resumed>) = 0 [pid 7394] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7405] symlink("/dev/binderfs", "./binderfs" [pid 7394] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] unlink("./194/binderfs" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7405] <... symlink resumed>) = 0 [pid 7394] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... unlink resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7405] memfd_create("syzkaller", 0 [pid 7394] exit_group(0 [pid 5073] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 4 [pid 7405] <... memfd_create resumed>) = 3 [pid 7394] <... exit_group resumed>) = ? [pid 5072] fstat(4, [pid 7405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7394] +++ exited with 0 +++ [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7405] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7404] 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"..., 4194304 [pid 5072] getdents64(4, [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7394, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./191/binderfs") = 0 [pid 5071] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7403] <... write resumed>) = 4194304 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./192/file0") = 0 [pid 5072] getdents64(3, [pid 7403] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./192" [pid 7403] <... munmap resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 7403] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] mkdir("./193", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 7403] <... openat resumed>) = 4 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 7403] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7406 ./strace-static-x86_64: Process 7406 attached [pid 7406] chdir("./193") = 0 [pid 7406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7406] setpgid(0, 0) = 0 [pid 7406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7406] write(3, "1000", 4) = 4 [pid 7406] close(3) = 0 [pid 7406] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7406] memfd_create("syzkaller", 0) = 3 [pid 7405] 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"..., 4194304 [pid 7406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7403] <... ioctl resumed>) = 0 [pid 7406] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7403] close(3) = 0 [pid 7403] mkdir("./file0", 0777) = 0 [ 255.825807][ T7403] loop5: detected capacity change from 0 to 8192 [pid 7403] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7404] <... write resumed>) = 4194304 [pid 7404] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7404] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7404] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7404] close(3) = 0 [pid 7404] mkdir("./file0", 0777) = 0 [ 255.893649][ T7403] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.918478][ T7404] loop0: detected capacity change from 0 to 8192 [pid 7404] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7405] <... write resumed>) = 4194304 [pid 7405] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7405] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7405] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./194/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7405] <... ioctl resumed>) = 0 [pid 5073] <... openat resumed>) = 4 [pid 7405] close(3 [ 255.965930][ T7404] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.985826][ T7403] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 256.002116][ T7405] loop1: detected capacity change from 0 to 8192 [pid 5073] fstat(4, [pid 7406] 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"..., 4194304 [pid 7405] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 7405] mkdir("./file0", 0777 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7405] <... mkdir resumed>) = 0 [pid 5073] getdents64(4, [pid 7405] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] close(4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5071] lstat("./191/file0", [pid 5073] rmdir("./194/file0") = 0 [pid 5073] getdents64(3, [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3 [pid 5071] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] rmdir("./194" [pid 5071] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... rmdir resumed>) = 0 [pid 5073] mkdir("./195", 0777 [pid 5071] <... openat resumed>) = 4 [pid 5073] <... mkdir resumed>) = 0 [pid 5071] fstat(4, [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5071] getdents64(4, [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] close(3 [pid 5071] getdents64(4, [pid 5073] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7410 [pid 5071] close(4) = 0 [pid 5071] rmdir("./191/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [ 256.036726][ T7404] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 256.046962][ T7403] REISERFS (device loop5): using ordered data mode [ 256.063318][ T7405] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5071] close(3) = 0 [pid 5071] rmdir("./191"./strace-static-x86_64: Process 7410 attached [pid 7410] chdir("./195") = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5071] mkdir("./192", 0777) = 0 [pid 7410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7410] setpgid(0, 0) = 0 [pid 7410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 7410] write(3, "1000", 4 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7410] <... write resumed>) = 4 [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 256.093046][ T7403] reiserfs: using flush barriers [pid 7410] close(3) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7411 [pid 7410] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7410] memfd_create("syzkaller", 0) = 3 [pid 7410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 ./strace-static-x86_64: Process 7411 attached [pid 7411] chdir("./192") = 0 [pid 7411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7411] setpgid(0, 0) = 0 [pid 7411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7411] write(3, "1000", 4) = 4 [pid 7411] close(3) = 0 [ 256.121489][ T7404] REISERFS (device loop0): using ordered data mode [ 256.135427][ T7405] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7411] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7411] memfd_create("syzkaller", 0) = 3 [pid 7411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 256.157223][ T7403] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.177600][ T7404] reiserfs: using flush barriers [ 256.187648][ T7405] REISERFS (device loop1): using ordered data mode [ 256.194467][ T7404] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.195766][ T7405] reiserfs: using flush barriers [pid 7406] <... write resumed>) = 4194304 [pid 7406] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7406] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 256.229258][ T7405] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.247655][ T7405] REISERFS (device loop1): checking transaction log (loop1) [ 256.260299][ T7406] loop3: detected capacity change from 0 to 8192 [ 256.260803][ T7403] REISERFS (device loop5): checking transaction log (loop5) [pid 7406] ioctl(4, LOOP_SET_FD, 3 [pid 7411] 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"..., 4194304 [pid 7410] 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"..., 4194304 [pid 7406] <... ioctl resumed>) = 0 [pid 7406] close(3) = 0 [pid 7406] mkdir("./file0", 0777) = 0 [ 256.273926][ T7404] REISERFS (device loop0): checking transaction log (loop0) [ 256.274204][ T7405] REISERFS (device loop1): Using r5 hash to sort names [ 256.292495][ T7403] REISERFS (device loop5): Using r5 hash to sort names [ 256.303961][ T7403] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.317399][ T7406] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.318736][ T7405] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.343795][ T7404] REISERFS (device loop0): Using r5 hash to sort names [ 256.344762][ T7403] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 256.356512][ T7404] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.373503][ T7406] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7406] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7411] <... write resumed>) = 4194304 [pid 7410] <... write resumed>) = 4194304 [pid 7411] munmap(0x7f8a1b2e3000, 4194304 [pid 7403] <... mount resumed>) = 0 [pid 7411] <... munmap resumed>) = 0 [pid 7411] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7410] munmap(0x7f8a1b2e3000, 4194304 [pid 7403] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7411] <... openat resumed>) = 4 [pid 7410] <... munmap resumed>) = 0 [pid 7403] <... openat resumed>) = 3 [pid 7411] ioctl(4, LOOP_SET_FD, 3 [pid 7410] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 256.424915][ T7406] REISERFS (device loop3): using ordered data mode [ 256.433284][ T7405] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 256.444190][ T7404] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 256.464420][ T7406] reiserfs: using flush barriers [pid 7403] chdir("./file0" [pid 7410] <... openat resumed>) = 4 [pid 7403] <... chdir resumed>) = 0 [pid 7410] ioctl(4, LOOP_SET_FD, 3 [pid 7403] ioctl(4, LOOP_CLR_FD [pid 7410] <... ioctl resumed>) = 0 [pid 7403] <... ioctl resumed>) = 0 [pid 7403] close(4 [pid 7405] <... mount resumed>) = 0 [pid 7403] <... close resumed>) = 0 [pid 7403] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7403] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7403] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7403] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7405] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7403] exit_group(0 [pid 7405] <... openat resumed>) = 3 [pid 7403] <... exit_group resumed>) = ? [pid 7405] chdir("./file0" [pid 7403] +++ exited with 0 +++ [pid 7405] <... chdir resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7403, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 7411] <... ioctl resumed>) = 0 [pid 7405] ioctl(4, LOOP_CLR_FD [pid 7411] close(3) = 0 [pid 7405] <... ioctl resumed>) = 0 [pid 7404] <... mount resumed>) = 0 [pid 7411] mkdir("./file0", 0777 [pid 7404] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7405] close(4 [pid 7411] <... mkdir resumed>) = 0 [pid 7410] close(3 [pid 7404] <... openat resumed>) = 3 [pid 7405] <... close resumed>) = 0 [pid 7411] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7410] <... close resumed>) = 0 [pid 7404] chdir("./file0" [pid 5074] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7410] mkdir("./file0", 0777 [pid 7404] <... chdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7410] <... mkdir resumed>) = 0 [pid 7404] ioctl(4, LOOP_CLR_FD [pid 5074] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7410] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7404] <... ioctl resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 7404] close(4 [pid 5074] fstat(3, [pid 7404] <... close resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7404] mkdir(NULL, 000 [pid 5074] getdents64(3, [pid 7404] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7404] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7404] <... openat resumed>) = 4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7404] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] lstat("./196/binderfs", [pid 7404] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7405] mkdir(NULL, 000 [pid 7404] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] unlink("./196/binderfs" [pid 7405] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7404] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... unlink resumed>) = 0 [pid 7405] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7404] exit_group(0 [pid 5074] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7405] <... openat resumed>) = 4 [ 256.470405][ T7411] loop2: detected capacity change from 0 to 8192 [ 256.479517][ T7410] loop4: detected capacity change from 0 to 8192 [ 256.508468][ T7406] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7404] <... exit_group resumed>) = ? [pid 7405] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7404] +++ exited with 0 +++ [pid 7405] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7404, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 7405] mount(NULL, "./bus", NULL, 0, NULL [pid 5069] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7405] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5069] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7405] exit_group(0 [pid 5069] <... openat resumed>) = 3 [pid 7405] <... exit_group resumed>) = ? [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7405] +++ exited with 0 +++ [pid 5069] lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7405, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5069] unlink("./188/binderfs" [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... unlink resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 256.543925][ T7411] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.558205][ T7410] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5070] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./191/binderfs") = 0 [ 256.637858][ T7411] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 256.660454][ T7410] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 256.671536][ T7406] REISERFS (device loop3): checking transaction log (loop3) [pid 5070] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./196/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./196/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./196") = 0 [ 256.697300][ T7411] REISERFS (device loop2): using ordered data mode [ 256.705460][ T7411] reiserfs: using flush barriers [ 256.713038][ T7406] REISERFS (device loop3): Using r5 hash to sort names [ 256.723135][ T7410] REISERFS (device loop4): using ordered data mode [ 256.731167][ T7411] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5074] mkdir("./197", 0777) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5069] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(3 [pid 5069] lstat("./188/file0", [pid 5074] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7415 [ 256.760699][ T7406] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.774243][ T7410] reiserfs: using flush barriers [pid 5069] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7415 attached [pid 7415] chdir("./197") = 0 [pid 7415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7415] setpgid(0, 0) = 0 [pid 7415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7415] <... openat resumed>) = 3 [pid 7415] write(3, "1000", 4) = 4 [pid 5069] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7415] close(3) = 0 [pid 5069] <... openat resumed>) = 4 [pid 7415] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5069] fstat(4, [pid 7415] memfd_create("syzkaller", 0) = 3 [pid 7415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 256.814333][ T7411] REISERFS (device loop2): checking transaction log (loop2) [ 256.823899][ T7410] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.843191][ T7411] REISERFS (device loop2): Using r5 hash to sort names [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] lstat("./191/file0", [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] close(4) = 0 [pid 5070] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] rmdir("./188/file0" [pid 5070] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5070] fstat(4, [pid 5069] getdents64(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] close(3 [pid 5070] getdents64(4, [pid 5069] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] rmdir("./188" [pid 5070] close(4) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5070] rmdir("./191/file0") = 0 [pid 5070] getdents64(3, [ 256.856913][ T7411] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.858659][ T7406] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 256.884088][ T7411] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 256.893221][ T7410] REISERFS (device loop4): checking transaction log (loop4) [ 256.906587][ T7410] REISERFS (device loop4): Using r5 hash to sort names [pid 5069] mkdir("./189", 0777 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 7411] <... mount resumed>) = 0 [pid 5070] close(3 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] <... close resumed>) = 0 [pid 7411] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... openat resumed>) = 3 [pid 7415] 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"..., 4194304 [pid 7406] <... mount resumed>) = 0 [pid 5070] rmdir("./191" [pid 7411] <... openat resumed>) = 3 [pid 7406] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... rmdir resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7411] chdir("./file0" [pid 7406] <... openat resumed>) = 3 [pid 5070] mkdir("./192", 0777 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7406] chdir("./file0") = 0 [pid 7411] <... chdir resumed>) = 0 [pid 7406] ioctl(4, LOOP_CLR_FD) = 0 [pid 7406] close(4) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 7406] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7406] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7406] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7406] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7406] exit_group(0) = ? [pid 7406] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7406, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5069] close(3 [pid 7411] ioctl(4, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7411] <... ioctl resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 7411] close(4 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7411] <... close resumed>) = 0 [pid 7411] mkdir(NULL, 000 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7416 [pid 7411] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] close(3 [pid 7411] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7411] <... openat resumed>) = 4 [pid 5072] <... openat resumed>) = 3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7411] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] getdents64(3, [pid 7411] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7411] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7417 [pid 7411] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7410] <... mount resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7411] exit_group(0 [pid 5072] lstat("./193/binderfs", [pid 7411] <... exit_group resumed>) = ? [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7410] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] unlink("./193/binderfs") = 0 [pid 7411] +++ exited with 0 +++ [pid 5072] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7411, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 7410] <... openat resumed>) = 3 [pid 7410] chdir("./file0") = 0 [pid 5071] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7410] ioctl(4, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7410] <... ioctl resumed>) = 0 [pid 5071] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7417 attached [pid 5071] fstat(3, ./strace-static-x86_64: Process 7416 attached [pid 7417] chdir("./192" [pid 7410] close(4 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7417] <... chdir resumed>) = 0 [pid 7416] chdir("./189" [pid 7410] <... close resumed>) = 0 [pid 5071] getdents64(3, [pid 7417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7416] <... chdir resumed>) = 0 [pid 7410] mkdir(NULL, 000 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7417] <... prctl resumed>) = 0 [ 256.913940][ T7410] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 256.933916][ T7410] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7410] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7417] setpgid(0, 0 [pid 7416] <... prctl resumed>) = 0 [pid 7410] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7417] <... setpgid resumed>) = 0 [pid 7416] setpgid(0, 0 [pid 5071] lstat("./192/binderfs", [pid 7417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7416] <... setpgid resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7417] <... openat resumed>) = 3 [pid 7416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] unlink("./192/binderfs" [pid 7417] write(3, "1000", 4 [pid 7416] <... openat resumed>) = 3 [pid 7410] <... openat resumed>) = 4 [pid 5071] <... unlink resumed>) = 0 [pid 7417] <... write resumed>) = 4 [pid 7416] write(3, "1000", 4 [pid 7410] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7417] close(3 [pid 7416] <... write resumed>) = 4 [pid 7415] <... write resumed>) = 4194304 [pid 7410] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7417] <... close resumed>) = 0 [pid 7416] close(3 [pid 7417] symlink("/dev/binderfs", "./binderfs" [pid 7416] <... close resumed>) = 0 [pid 7410] mount(NULL, "./bus", NULL, 0, NULL [pid 7417] <... symlink resumed>) = 0 [pid 7416] symlink("/dev/binderfs", "./binderfs" [pid 7410] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7417] memfd_create("syzkaller", 0 [pid 7416] <... symlink resumed>) = 0 [pid 7417] <... memfd_create resumed>) = 3 [pid 7416] memfd_create("syzkaller", 0 [pid 7410] exit_group(0 [pid 7417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7416] <... memfd_create resumed>) = 3 [pid 7410] <... exit_group resumed>) = ? [pid 7417] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7410] +++ exited with 0 +++ [pid 5072] <... umount2 resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7410, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5072] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./193/file0", [pid 5073] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./195/binderfs") = 0 [pid 5073] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 7415] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] rmdir("./193/file0" [pid 7415] <... munmap resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 7415] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] getdents64(3, [pid 7415] <... openat resumed>) = 4 [pid 7415] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./193") = 0 [pid 5072] mkdir("./194", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7418 [pid 7415] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 7418 attached [pid 5071] <... umount2 resumed>) = 0 [pid 7415] close(3 [pid 7418] chdir("./194" [pid 7415] <... close resumed>) = 0 [pid 7418] <... chdir resumed>) = 0 [pid 7415] mkdir("./file0", 0777 [pid 7418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7418] <... prctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7418] setpgid(0, 0 [pid 5071] lstat("./192/file0", [pid 7418] <... setpgid resumed>) = 0 [pid 7418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7417] 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"..., 4194304 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7418] <... openat resumed>) = 3 [pid 7415] <... mkdir resumed>) = 0 [pid 7418] write(3, "1000", 4 [pid 5071] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7418] <... write resumed>) = 4 [pid 7418] close(3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7418] <... close resumed>) = 0 [pid 7418] symlink("/dev/binderfs", "./binderfs" [pid 7416] 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"..., 4194304 [pid 5071] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7415] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7418] <... symlink resumed>) = 0 [ 257.093297][ T7415] loop5: detected capacity change from 0 to 8192 [pid 7418] memfd_create("syzkaller", 0 [pid 5071] <... openat resumed>) = 4 [pid 7418] <... memfd_create resumed>) = 3 [pid 5071] fstat(4, [pid 7418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7418] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./192/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./192") = 0 [pid 5071] mkdir("./193", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [ 257.176769][ T7415] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7418] 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"..., 4194304 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7420 attached [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7420 [pid 7420] chdir("./193") = 0 [pid 5073] lstat("./195/file0", [pid 7420] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7420] <... prctl resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7420] setpgid(0, 0 [pid 5073] <... openat resumed>) = 4 [pid 7420] <... setpgid resumed>) = 0 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7417] <... write resumed>) = 4194304 [pid 5073] getdents64(4, [pid 7420] <... openat resumed>) = 3 [pid 7417] munmap(0x7f8a1b2e3000, 4194304 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, [pid 7420] write(3, "1000", 4 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7420] <... write resumed>) = 4 [pid 5073] close(4 [pid 7420] close(3 [pid 5073] <... close resumed>) = 0 [pid 7417] <... munmap resumed>) = 0 [pid 5073] rmdir("./195/file0" [pid 7420] <... close resumed>) = 0 [pid 7417] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5073] <... rmdir resumed>) = 0 [pid 7420] symlink("/dev/binderfs", "./binderfs" [pid 5073] getdents64(3, [pid 7420] <... symlink resumed>) = 0 [pid 7417] <... openat resumed>) = 4 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3 [ 257.223552][ T7415] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 7420] memfd_create("syzkaller", 0 [pid 7417] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... close resumed>) = 0 [pid 7420] <... memfd_create resumed>) = 3 [pid 7418] <... write resumed>) = 4194304 [pid 7417] <... ioctl resumed>) = 0 [pid 7416] <... write resumed>) = 4194304 [pid 7420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7418] munmap(0x7f8a1b2e3000, 4194304 [pid 7420] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7418] <... munmap resumed>) = 0 [pid 7418] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7418] ioctl(4, LOOP_SET_FD, 3 [pid 7416] munmap(0x7f8a1b2e3000, 4194304 [pid 5073] rmdir("./195" [pid 7418] <... ioctl resumed>) = 0 [pid 7418] close(3 [pid 5073] <... rmdir resumed>) = 0 [pid 5073] mkdir("./196", 0777 [pid 7418] <... close resumed>) = 0 [pid 7418] mkdir("./file0", 0777 [pid 5073] <... mkdir resumed>) = 0 [pid 7416] <... munmap resumed>) = 0 [pid 7417] close(3 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7417] <... close resumed>) = 0 [pid 7416] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5073] <... openat resumed>) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 7416] <... openat resumed>) = 4 [pid 7417] mkdir("./file0", 0777 [pid 7416] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7417] <... mkdir resumed>) = 0 [pid 5073] close(3) = 0 [pid 7418] <... mkdir resumed>) = 0 [pid 7418] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 257.276724][ T7415] REISERFS (device loop5): using ordered data mode [ 257.283289][ T7415] reiserfs: using flush barriers [ 257.285919][ T7417] loop1: detected capacity change from 0 to 8192 [ 257.294694][ T7415] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 257.308336][ T7418] loop3: detected capacity change from 0 to 8192 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7417] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7416] <... ioctl resumed>) = 0 [pid 7416] close(3 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7422 [pid 7416] <... close resumed>) = 0 [pid 7416] mkdir("./file0", 0777./strace-static-x86_64: Process 7422 attached ) = 0 [pid 7416] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 257.328860][ T7416] loop0: detected capacity change from 0 to 8192 [ 257.329080][ T7418] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 257.352068][ T7415] REISERFS (device loop5): checking transaction log (loop5) [ 257.360645][ T7417] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7422] chdir("./196" [pid 7420] 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"..., 4194304 [pid 7422] <... chdir resumed>) = 0 [pid 7422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7422] setpgid(0, 0) = 0 [pid 7422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7422] write(3, "1000", 4) = 4 [pid 7422] close(3) = 0 [pid 7422] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7422] memfd_create("syzkaller", 0) = 3 [pid 7422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 257.365573][ T7418] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 257.387064][ T7415] REISERFS (device loop5): Using r5 hash to sort names [ 257.394196][ T7415] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 257.408237][ T7416] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7420] <... write resumed>) = 4194304 [pid 7420] munmap(0x7f8a1b2e3000, 4194304) = 0 [ 257.412311][ T7417] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 257.431139][ T7417] REISERFS (device loop1): using ordered data mode [ 257.438849][ T7417] reiserfs: using flush barriers [ 257.445049][ T7418] REISERFS (device loop3): using ordered data mode [ 257.445704][ T7416] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 257.452148][ T7417] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7420] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 257.468715][ T7415] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 257.477459][ T7416] REISERFS (device loop0): using ordered data mode [ 257.488158][ T7420] loop2: detected capacity change from 0 to 8192 [ 257.492973][ T7416] reiserfs: using flush barriers [ 257.505143][ T7416] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 257.521794][ T7416] REISERFS (device loop0): checking transaction log (loop0) [pid 7420] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7420] close(3) = 0 [ 257.525716][ T7418] reiserfs: using flush barriers [ 257.530189][ T7416] REISERFS (device loop0): Using r5 hash to sort names [ 257.541353][ T7416] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 257.554933][ T7416] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 257.555762][ T7418] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7420] mkdir("./file0", 0777 [pid 7416] <... mount resumed>) = 0 [pid 7415] <... mount resumed>) = 0 [pid 7420] <... mkdir resumed>) = 0 [pid 7416] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7415] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7416] <... openat resumed>) = 3 [pid 7416] chdir("./file0" [pid 7415] <... openat resumed>) = 3 [pid 7420] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7416] <... chdir resumed>) = 0 [pid 7415] chdir("./file0" [pid 7416] ioctl(4, LOOP_CLR_FD [pid 7415] <... chdir resumed>) = 0 [pid 7416] <... ioctl resumed>) = 0 [pid 7415] ioctl(4, LOOP_CLR_FD [pid 7416] close(4 [pid 7415] <... ioctl resumed>) = 0 [pid 7422] 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"..., 4194304 [pid 7416] <... close resumed>) = 0 [ 257.565376][ T7417] REISERFS (device loop1): checking transaction log (loop1) [ 257.596377][ T7417] REISERFS (device loop1): Using r5 hash to sort names [ 257.607079][ T7417] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7415] close(4 [pid 7416] mkdir(NULL, 000 [pid 7415] <... close resumed>) = 0 [pid 7416] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7415] mkdir(NULL, 000 [pid 7416] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7415] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7416] <... openat resumed>) = 4 [pid 7415] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7416] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7415] <... openat resumed>) = 4 [pid 7416] mount(NULL, "./bus", NULL, 0, NULL [pid 7415] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7416] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7415] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7416] exit_group(0 [pid 7415] mount(NULL, "./bus", NULL, 0, NULL [pid 7416] <... exit_group resumed>) = ? [pid 7415] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7416] +++ exited with 0 +++ [pid 7415] exit_group(0) = ? [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7416, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5069] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./189/binderfs") = 0 [pid 5069] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7422] <... write resumed>) = 4194304 [pid 7415] +++ exited with 0 +++ [pid 7422] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7415, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5074] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7417] <... mount resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./197/binderfs") = 0 [pid 5074] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7422] <... munmap resumed>) = 0 [pid 7422] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 257.625610][ T7417] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 257.635442][ T7418] REISERFS (device loop3): checking transaction log (loop3) [ 257.644817][ T7420] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 257.671389][ T7420] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7422] ioctl(4, LOOP_SET_FD, 3 [pid 7417] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7422] <... ioctl resumed>) = 0 [ 257.679573][ T7422] loop4: detected capacity change from 0 to 8192 [ 257.681381][ T7420] REISERFS (device loop2): using ordered data mode [ 257.694243][ T7420] reiserfs: using flush barriers [ 257.702725][ T7420] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 257.705168][ T7418] REISERFS (device loop3): Using r5 hash to sort names [pid 7417] chdir("./file0" [pid 7422] close(3 [pid 7417] <... chdir resumed>) = 0 [pid 7422] <... close resumed>) = 0 [pid 7417] ioctl(4, LOOP_CLR_FD [pid 7422] mkdir("./file0", 0777 [pid 7417] <... ioctl resumed>) = 0 [pid 7422] <... mkdir resumed>) = 0 [pid 7417] close(4 [pid 7422] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7417] <... close resumed>) = 0 [pid 7418] <... mount resumed>) = 0 [pid 7417] mkdir(NULL, 000 [pid 7418] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7417] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7418] <... openat resumed>) = 3 [ 257.720063][ T7420] REISERFS (device loop2): checking transaction log (loop2) [ 257.736564][ T7418] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 257.738465][ T7420] REISERFS (device loop2): Using r5 hash to sort names [ 257.750098][ T7418] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 257.767438][ T7420] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7417] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7418] chdir("./file0") = 0 [pid 7417] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7418] ioctl(4, LOOP_CLR_FD [pid 7417] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7418] <... ioctl resumed>) = 0 [pid 7417] mount(NULL, "./bus", NULL, 0, NULL [pid 7418] close(4 [pid 7417] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7418] <... close resumed>) = 0 [pid 7417] exit_group(0 [pid 7418] mkdir(NULL, 000 [pid 7417] <... exit_group resumed>) = ? [pid 7418] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7417] +++ exited with 0 +++ [pid 7418] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7417, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 7418] <... openat resumed>) = 4 [pid 7418] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 7418] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7418] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7418] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7418] exit_group(0 [pid 5070] fstat(3, [pid 7418] <... exit_group resumed>) = ? [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7418] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7418, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5070] getdents64(3, [pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] lstat("./192/binderfs", [pid 5072] <... openat resumed>) = 3 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] fstat(3, [pid 5070] unlink("./192/binderfs" [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [ 257.783027][ T7422] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 257.822109][ T7420] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5070] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./189/file0", [pid 5074] lstat("./197/file0", [pid 5072] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(4) = 0 [pid 5069] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] rmdir("./197/file0" [pid 7420] <... mount resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [ 257.827821][ T7422] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 257.841073][ T7422] REISERFS (device loop4): using ordered data mode [ 257.848496][ T7422] reiserfs: using flush barriers [ 257.855459][ T7422] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 257.873849][ T7422] REISERFS (device loop4): checking transaction log (loop4) [pid 5072] lstat("./194/binderfs", [pid 5069] <... openat resumed>) = 4 [pid 7420] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] getdents64(3, [pid 7420] <... openat resumed>) = 3 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] fstat(4, [pid 7420] chdir("./file0" [pid 5074] close(3 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7422] <... mount resumed>) = 0 [pid 7420] <... chdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5072] unlink("./194/binderfs" [pid 5069] getdents64(4, [pid 7422] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7420] ioctl(4, LOOP_CLR_FD [pid 5074] rmdir("./197" [pid 5072] <... unlink resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7422] <... openat resumed>) = 3 [pid 7420] <... ioctl resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5072] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 5069] getdents64(4, [pid 7422] chdir("./file0" [pid 7420] close(4 [pid 5074] mkdir("./198", 0777 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7422] <... chdir resumed>) = 0 [pid 7420] <... close resumed>) = 0 [pid 5070] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7422] ioctl(4, LOOP_CLR_FD [pid 7420] mkdir(NULL, 000 [pid 5074] <... mkdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(4 [pid 7422] <... ioctl resumed>) = 0 [pid 7420] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] lstat("./192/file0", [pid 7422] close(4 [pid 7420] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... openat resumed>) = 3 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 7422] <... close resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5070] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7422] mkdir(NULL, 000 [pid 7420] <... openat resumed>) = 4 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] rmdir("./189/file0" [pid 7422] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7420] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] close(3 [pid 5070] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7422] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7420] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5069] <... rmdir resumed>) = 0 [pid 7422] <... openat resumed>) = 4 [pid 7420] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] fstat(4, [pid 7422] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, [pid 7422] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(4, [pid 7422] mount(NULL, "./bus", NULL, 0, NULL [pid 7420] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7422] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7420] exit_group(0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7427 [pid 5070] getdents64(4, [pid 7422] exit_group(0 [pid 7420] <... exit_group resumed>) = ? [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 7422] <... exit_group resumed>) = ? [pid 5070] close(4 [pid 7422] +++ exited with 0 +++ [pid 7420] +++ exited with 0 +++ [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7422, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5070] rmdir("./192/file0" [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7420, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5070] <... rmdir resumed>) = 0 [pid 5069] rmdir("./189" [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [ 257.882501][ T7422] REISERFS (device loop4): Using r5 hash to sort names [ 257.889951][ T7422] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 257.903433][ T7422] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5070] rmdir("./192") = 0 [pid 5073] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5070] mkdir("./193", 0777./strace-static-x86_64: Process 7427 attached [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... restart_syscall resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 7427] chdir("./198" [pid 5073] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] mkdir("./190", 0777 [pid 5070] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5073] <... openat resumed>) = 3 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 5073] fstat(3, [pid 5071] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... mkdir resumed>) = 0 [pid 7427] <... chdir resumed>) = 0 [pid 5073] getdents64(3, [pid 5071] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7428 [pid 7427] <... prctl resumed>) = 0 [pid 5073] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] fstat(3, [pid 5069] <... openat resumed>) = 3 [pid 7427] setpgid(0, 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7427] <... setpgid resumed>) = 0 [pid 5073] lstat("./196/binderfs", [pid 5071] getdents64(3, [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] unlink("./196/binderfs" [pid 5071] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... unlink resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(3 [pid 7427] <... openat resumed>) = 3 [pid 5073] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./193/binderfs", ./strace-static-x86_64: Process 7428 attached [pid 7427] write(3, "1000", 4 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 7428] chdir("./193" [pid 5071] unlink("./193/binderfs" [pid 7428] <... chdir resumed>) = 0 [pid 7428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7428] setpgid(0, 0) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 7428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7428] write(3, "1000", 4 [pid 5071] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7429 [pid 7428] <... write resumed>) = 4 [pid 7428] close(3) = 0 [pid 7428] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7428] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 7429 attached [pid 7428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7429] chdir("./190" [pid 7428] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7429] <... chdir resumed>) = 0 [pid 7429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7427] <... write resumed>) = 4 [pid 7429] <... prctl resumed>) = 0 [pid 7427] close(3 [pid 7429] setpgid(0, 0) = 0 [pid 7427] <... close resumed>) = 0 [pid 7429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7427] symlink("/dev/binderfs", "./binderfs" [pid 7429] <... openat resumed>) = 3 [pid 7427] <... symlink resumed>) = 0 [pid 7429] write(3, "1000", 4) = 4 [pid 7427] memfd_create("syzkaller", 0 [pid 7429] close(3 [pid 7427] <... memfd_create resumed>) = 3 [pid 7429] <... close resumed>) = 0 [pid 7429] symlink("/dev/binderfs", "./binderfs" [pid 7427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7429] <... symlink resumed>) = 0 [pid 7427] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7429] memfd_create("syzkaller", 0) = 3 [pid 7429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5071] <... umount2 resumed>) = 0 [pid 7427] 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"..., 4194304 [pid 5071] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./193/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7428] 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"..., 4194304 [pid 5071] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./193/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./193") = 0 [pid 5071] mkdir("./194", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7429] 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"..., 4194304 [pid 5071] close(3 [pid 5072] <... umount2 resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./194/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7430 [pid 5073] <... umount2 resumed>) = 0 [pid 5072] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7430 attached [pid 5072] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7430] chdir("./194" [pid 5072] <... openat resumed>) = 4 [pid 7430] <... chdir resumed>) = 0 [pid 5072] fstat(4, [pid 7430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7430] <... prctl resumed>) = 0 [pid 5072] getdents64(4, [pid 7430] setpgid(0, 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7430] <... setpgid resumed>) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] close(4 [pid 7430] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 7430] write(3, "1000", 4 [pid 5073] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] rmdir("./194/file0" [pid 7430] <... write resumed>) = 4 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... rmdir resumed>) = 0 [pid 7430] close(3 [pid 5073] lstat("./196/file0", [pid 5072] getdents64(3, [pid 7430] <... close resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7430] symlink("/dev/binderfs", "./binderfs" [pid 5073] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] close(3 [pid 7430] <... symlink resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... close resumed>) = 0 [pid 7430] memfd_create("syzkaller", 0 [pid 5073] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] rmdir("./194" [pid 7430] <... memfd_create resumed>) = 3 [pid 5073] <... openat resumed>) = 4 [pid 5072] <... rmdir resumed>) = 0 [pid 7430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] fstat(4, [pid 5072] mkdir("./195", 0777 [pid 7430] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5073] getdents64(4, [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... openat resumed>) = 3 [pid 5073] getdents64(4, [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] close(4 [pid 5072] close(3 [pid 5073] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5073] rmdir("./196/file0" [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... rmdir resumed>) = 0 [pid 5073] getdents64(3, [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7431 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./196") = 0 [pid 5073] mkdir("./197", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 7431 attached ) = 3 [pid 7431] chdir("./195" [pid 5073] ioctl(3, LOOP_CLR_FD [pid 7431] <... chdir resumed>) = 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] close(3 [pid 7431] <... prctl resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 7431] setpgid(0, 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7431] <... setpgid resumed>) = 0 [pid 7431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7432 [pid 7431] <... openat resumed>) = 3 [pid 7431] write(3, "1000", 4) = 4 [pid 7431] close(3) = 0 [pid 7431] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7432 attached ) = 0 [pid 7432] chdir("./197" [pid 7431] memfd_create("syzkaller", 0 [pid 7432] <... chdir resumed>) = 0 [pid 7431] <... memfd_create resumed>) = 3 [pid 7432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7427] <... write resumed>) = 4194304 [pid 7432] <... prctl resumed>) = 0 [pid 7431] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7427] munmap(0x7f8a1b2e3000, 4194304 [pid 7432] setpgid(0, 0) = 0 [pid 7432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7427] <... munmap resumed>) = 0 [pid 7432] <... openat resumed>) = 3 [pid 7427] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7432] write(3, "1000", 4 [pid 7427] <... openat resumed>) = 4 [pid 7432] <... write resumed>) = 4 [pid 7427] ioctl(4, LOOP_SET_FD, 3 [pid 7432] close(3) = 0 [pid 7432] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7432] memfd_create("syzkaller", 0) = 3 [pid 7432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7427] <... ioctl resumed>) = 0 [pid 7427] close(3) = 0 [pid 7427] mkdir("./file0", 0777) = 0 [ 258.246971][ T7427] loop5: detected capacity change from 0 to 8192 [pid 7427] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7431] 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"..., 4194304 [pid 7430] 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"..., 4194304 [pid 7429] <... write resumed>) = 4194304 [pid 7429] munmap(0x7f8a1b2e3000, 4194304 [pid 7428] <... write resumed>) = 4194304 [pid 7428] munmap(0x7f8a1b2e3000, 4194304 [pid 7429] <... munmap resumed>) = 0 [ 258.286919][ T7427] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7429] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7428] <... munmap resumed>) = 0 [pid 7429] <... openat resumed>) = 4 [pid 7429] ioctl(4, LOOP_SET_FD, 3 [pid 7428] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7432] 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"..., 4194304 [ 258.327001][ T7427] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 258.329517][ T7429] loop0: detected capacity change from 0 to 8192 [ 258.348737][ T7427] REISERFS (device loop5): using ordered data mode [ 258.355283][ T7427] reiserfs: using flush barriers [ 258.356913][ T7428] loop1: detected capacity change from 0 to 8192 [pid 7428] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7428] close(3) = 0 [pid 7428] mkdir("./file0", 0777) = 0 [pid 7428] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7429] <... ioctl resumed>) = 0 [pid 7429] close(3) = 0 [pid 7429] mkdir("./file0", 0777) = 0 [pid 7429] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7430] <... write resumed>) = 4194304 [ 258.377646][ T7427] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.397267][ T7428] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.402427][ T7427] REISERFS (device loop5): checking transaction log (loop5) [pid 7430] munmap(0x7f8a1b2e3000, 4194304 [pid 7432] <... write resumed>) = 4194304 [pid 7430] <... munmap resumed>) = 0 [pid 7430] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7430] ioctl(4, LOOP_SET_FD, 3 [pid 7432] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7432] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 258.413905][ T7429] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.427506][ T7427] REISERFS (device loop5): Using r5 hash to sort names [ 258.430776][ T7429] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 258.447089][ T7429] REISERFS (device loop0): using ordered data mode [ 258.449554][ T7430] loop2: detected capacity change from 0 to 8192 [ 258.453976][ T7429] reiserfs: using flush barriers [ 258.465973][ T7432] loop4: detected capacity change from 0 to 8192 [pid 7432] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7430] <... ioctl resumed>) = 0 [pid 7432] close(3 [pid 7430] close(3 [pid 7432] <... close resumed>) = 0 [pid 7430] <... close resumed>) = 0 [pid 7432] mkdir("./file0", 0777 [pid 7430] mkdir("./file0", 0777 [pid 7432] <... mkdir resumed>) = 0 [pid 7427] <... mount resumed>) = 0 [pid 7427] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7430] <... mkdir resumed>) = 0 [pid 7432] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7430] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7427] <... openat resumed>) = 3 [pid 7427] chdir("./file0") = 0 [pid 7427] ioctl(4, LOOP_CLR_FD) = 0 [ 258.467312][ T7428] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 258.473549][ T7427] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 258.481567][ T7429] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.510305][ T7427] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7427] close(4) = 0 [pid 7427] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7427] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7427] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7427] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7427] exit_group(0) = ? [pid 7427] +++ exited with 0 +++ [pid 7431] <... write resumed>) = 4194304 [ 258.526990][ T7428] REISERFS (device loop1): using ordered data mode [ 258.539061][ T7428] reiserfs: using flush barriers [ 258.545310][ T7430] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.554353][ T7429] REISERFS (device loop0): checking transaction log (loop0) [ 258.565817][ T7430] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7427, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [ 258.568136][ T7429] REISERFS (device loop0): Using r5 hash to sort names [ 258.575935][ T7432] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.583451][ T7429] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 258.595202][ T7428] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5074] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./198/binderfs") = 0 [pid 5074] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7431] munmap(0x7f8a1b2e3000, 4194304) = 0 [ 258.608663][ T7430] REISERFS (device loop2): using ordered data mode [ 258.631136][ T7430] reiserfs: using flush barriers [ 258.637555][ T7430] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.650128][ T7429] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 258.655443][ T7430] REISERFS (device loop2): checking transaction log (loop2) [pid 7431] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7431] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7431] close(3) = 0 [pid 7431] mkdir("./file0", 0777) = 0 [ 258.672516][ T7430] REISERFS (device loop2): Using r5 hash to sort names [ 258.677230][ T7432] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 258.689698][ T7431] loop3: detected capacity change from 0 to 8192 [ 258.706929][ T7431] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.716646][ T7432] REISERFS (device loop4): using ordered data mode [pid 7431] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7429] <... mount resumed>) = 0 [pid 7429] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7429] chdir("./file0") = 0 [pid 7429] ioctl(4, LOOP_CLR_FD) = 0 [pid 7429] close(4 [pid 5074] <... umount2 resumed>) = 0 [pid 7429] <... close resumed>) = 0 [pid 7429] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7429] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7429] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7429] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7429] exit_group(0) = ? [pid 5074] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7429] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7429, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5069] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./190/binderfs") = 0 [ 258.720913][ T7430] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 258.735905][ T7428] REISERFS (device loop1): checking transaction log (loop1) [ 258.741301][ T7431] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 258.766661][ T7430] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7430] <... mount resumed>) = 0 [pid 7430] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7430] chdir("./file0") = 0 [pid 7430] ioctl(4, LOOP_CLR_FD) = 0 [pid 7430] close(4) = 0 [pid 7430] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7430] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] lstat("./198/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7430] <... openat resumed>) = 4 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4 [pid 7430] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... close resumed>) = 0 [pid 7430] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] rmdir("./198/file0" [pid 7430] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... rmdir resumed>) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [ 258.768707][ T7432] reiserfs: using flush barriers [ 258.784367][ T7431] REISERFS (device loop3): using ordered data mode [ 258.784779][ T7428] REISERFS (device loop1): Using r5 hash to sort names [ 258.798244][ T7431] reiserfs: using flush barriers [pid 5074] close(3) = 0 [pid 7430] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7430] exit_group(0) = ? [pid 7430] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7430, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5074] rmdir("./198" [pid 5071] <... restart_syscall resumed>) = 0 [ 258.821402][ T7431] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.825635][ T7428] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 258.842925][ T7431] REISERFS (device loop3): checking transaction log (loop3) [pid 5074] <... rmdir resumed>) = 0 [pid 5071] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./194/binderfs") = 0 [pid 5071] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] mkdir("./199", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7439 ./strace-static-x86_64: Process 7439 attached [pid 7439] chdir("./199") = 0 [pid 7439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7439] setpgid(0, 0) = 0 [ 258.859413][ T7432] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7439] write(3, "1000", 4) = 4 [pid 7439] close(3) = 0 [pid 7439] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7439] memfd_create("syzkaller", 0) = 3 [pid 7439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7439] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./190/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./190/file0" [pid 5071] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... rmdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(3, [pid 5071] lstat("./194/file0", [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] rmdir("./190" [pid 5071] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... rmdir resumed>) = 0 [pid 5069] mkdir("./191", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 258.918144][ T7428] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 258.956555][ T7431] REISERFS (device loop3): Using r5 hash to sort names [pid 5069] close(3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7440 ./strace-static-x86_64: Process 7440 attached [pid 7440] chdir("./191") = 0 [pid 7440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7440] setpgid(0, 0) = 0 [pid 5071] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] <... openat resumed>) = 4 [pid 7440] write(3, "1000", 4 [pid 5071] fstat(4, [pid 7440] <... write resumed>) = 4 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7440] close(3 [pid 5071] getdents64(4, [pid 7440] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7440] symlink("/dev/binderfs", "./binderfs" [pid 5071] getdents64(4, [pid 7440] <... symlink resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7440] memfd_create("syzkaller", 0 [pid 7428] <... mount resumed>) = 0 [pid 5071] close(4 [pid 7440] <... memfd_create resumed>) = 3 [pid 7428] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... close resumed>) = 0 [pid 7440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7428] <... openat resumed>) = 3 [pid 5071] rmdir("./194/file0" [pid 7440] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7428] chdir("./file0" [pid 5071] <... rmdir resumed>) = 0 [pid 7428] <... chdir resumed>) = 0 [pid 5071] getdents64(3, [pid 7428] ioctl(4, LOOP_CLR_FD) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7428] close(4 [pid 5071] close(3 [pid 7428] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [ 258.964220][ T7431] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 258.988520][ T7432] REISERFS (device loop4): checking transaction log (loop4) [ 259.004338][ T7431] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7428] mkdir(NULL, 000 [pid 5071] rmdir("./194" [pid 7428] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7439] 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"..., 4194304 [pid 7428] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... rmdir resumed>) = 0 [pid 7428] <... openat resumed>) = 4 [pid 5071] mkdir("./195", 0777) = 0 [pid 7428] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7428] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7428] mount(NULL, "./bus", NULL, 0, NULL [pid 7431] <... mount resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 7432] <... mount resumed>) = 0 [pid 7431] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7428] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7431] <... openat resumed>) = 3 [pid 7428] exit_group(0 [pid 7432] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7431] chdir("./file0" [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7440] 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"..., 4194304 [pid 7432] <... openat resumed>) = 3 [pid 7431] <... chdir resumed>) = 0 [pid 7428] <... exit_group resumed>) = ? [pid 5071] close(3 [pid 7432] chdir("./file0" [pid 7431] ioctl(4, LOOP_CLR_FD [pid 7428] +++ exited with 0 +++ [pid 7432] <... chdir resumed>) = 0 [pid 7431] <... ioctl resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7428, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7432] ioctl(4, LOOP_CLR_FD [pid 7431] close(4 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 7432] <... ioctl resumed>) = 0 [pid 7431] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... restart_syscall resumed>) = 0 [pid 7432] close(4 [pid 7431] mkdir(NULL, 000 [pid 5070] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7431] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7432] <... close resumed>) = 0 [ 259.014586][ T7432] REISERFS (device loop4): Using r5 hash to sort names [ 259.023170][ T7432] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 259.050300][ T7432] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5070] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7432] mkdir(NULL, 000 [pid 7431] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7441 [pid 5070] <... openat resumed>) = 3 [pid 7432] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7432] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7431] <... openat resumed>) = 4 [pid 5070] getdents64(3, [pid 7432] <... openat resumed>) = 4 [pid 7431] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7432] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7431] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7441 attached [pid 7432] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7431] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7432] mount(NULL, "./bus", NULL, 0, NULL [pid 7431] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] lstat("./193/binderfs", [pid 7432] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7431] exit_group(0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7441] chdir("./195" [pid 7440] <... write resumed>) = 4194304 [pid 5070] unlink("./193/binderfs" [pid 7441] <... chdir resumed>) = 0 [pid 7440] munmap(0x7f8a1b2e3000, 4194304 [pid 7432] exit_group(0 [pid 7431] <... exit_group resumed>) = ? [pid 5070] <... unlink resumed>) = 0 [pid 7441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7432] <... exit_group resumed>) = ? [pid 5070] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7431] +++ exited with 0 +++ [pid 7432] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7431, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 7441] <... prctl resumed>) = 0 [pid 7441] setpgid(0, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7432, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 7441] <... setpgid resumed>) = 0 [pid 7440] <... munmap resumed>) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5072] <... restart_syscall resumed>) = 0 [pid 7441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7440] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5073] <... restart_syscall resumed>) = 0 [pid 7441] <... openat resumed>) = 3 [pid 7440] <... openat resumed>) = 4 [pid 7441] write(3, "1000", 4 [pid 7440] ioctl(4, LOOP_SET_FD, 3 [pid 5072] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7441] <... write resumed>) = 4 [pid 7440] <... ioctl resumed>) = 0 [pid 7439] <... write resumed>) = 4194304 [pid 5073] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7441] close(3 [pid 7440] close(3 [pid 7439] munmap(0x7f8a1b2e3000, 4194304 [pid 5073] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5072] fstat(3, [pid 7439] <... munmap resumed>) = 0 [pid 5073] fstat(3, [pid 7440] <... close resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7441] <... close resumed>) = 0 [pid 7440] mkdir("./file0", 0777 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, [pid 7439] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7441] symlink("/dev/binderfs", "./binderfs" [pid 7440] <... mkdir resumed>) = 0 [pid 5073] getdents64(3, [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7439] <... openat resumed>) = 4 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7441] <... symlink resumed>) = 0 [pid 7440] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7439] ioctl(4, LOOP_SET_FD, 3 [pid 5073] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./195/binderfs", [pid 7441] memfd_create("syzkaller", 0 [pid 5073] lstat("./197/binderfs", [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./195/binderfs" [pid 5073] unlink("./197/binderfs" [pid 5072] <... unlink resumed>) = 0 [pid 5073] <... unlink resumed>) = 0 [pid 5072] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7441] <... memfd_create resumed>) = 3 [pid 7439] <... ioctl resumed>) = 0 [ 259.131438][ T7440] loop0: detected capacity change from 0 to 8192 [ 259.161391][ T7439] loop5: detected capacity change from 0 to 8192 [pid 7441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 259.170636][ T7440] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7439] close(3 [pid 5070] <... umount2 resumed>) = 0 [pid 7439] <... close resumed>) = 0 [pid 5070] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7439] mkdir("./file0", 0777 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7439] <... mkdir resumed>) = 0 [pid 5070] lstat("./193/file0", [pid 7439] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] <... umount2 resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./197/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... openat resumed>) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./197/file0") = 0 [pid 5070] <... openat resumed>) = 4 [pid 5070] fstat(4, [pid 5073] getdents64(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(4, [pid 5073] close(3) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [ 259.215281][ T7440] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 259.225144][ T7440] REISERFS (device loop0): using ordered data mode [ 259.232453][ T7440] reiserfs: using flush barriers [ 259.245264][ T7440] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5073] rmdir("./197" [pid 5070] getdents64(4, [pid 7441] 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"..., 4194304 [pid 5073] <... rmdir resumed>) = 0 [pid 5073] mkdir("./198", 0777) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7444 [pid 5070] close(4) = 0 [pid 5070] rmdir("./193/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./193") = 0 ./strace-static-x86_64: Process 7444 attached [pid 5070] mkdir("./194", 0777 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [ 259.280583][ T7440] REISERFS (device loop0): checking transaction log (loop0) [ 259.290978][ T7439] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.318310][ T7440] REISERFS (device loop0): Using r5 hash to sort names [pid 7444] chdir("./198") = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7444] setpgid(0, 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7444] <... setpgid resumed>) = 0 [pid 5072] lstat("./195/file0", [pid 7444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7444] <... openat resumed>) = 3 [pid 5072] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7444] write(3, "1000", 4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7444] <... write resumed>) = 4 [pid 5072] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7444] close(3) = 0 [pid 5072] <... openat resumed>) = 4 [pid 7444] symlink("/dev/binderfs", "./binderfs" [pid 5072] fstat(4, [pid 5070] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 7444] <... symlink resumed>) = 0 [pid 7441] <... write resumed>) = 4194304 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 259.336183][ T7439] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 259.338367][ T7440] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 259.346913][ T7439] REISERFS (device loop5): using ordered data mode [ 259.360191][ T7440] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 259.378765][ T7439] reiserfs: using flush barriers [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7445 ./strace-static-x86_64: Process 7445 attached [pid 7445] chdir("./194" [pid 7444] memfd_create("syzkaller", 0 [pid 7441] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] getdents64(4, [pid 7444] <... memfd_create resumed>) = 3 [pid 7444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7441] <... munmap resumed>) = 0 [pid 7440] <... mount resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7444] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7441] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7440] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7445] <... chdir resumed>) = 0 [pid 7445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7445] setpgid(0, 0) = 0 [pid 7445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] getdents64(4, [pid 7445] write(3, "1000", 4) = 4 [pid 7445] close(3) = 0 [pid 7445] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7445] memfd_create("syzkaller", 0) = 3 [pid 7445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7441] <... openat resumed>) = 4 [pid 7440] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7441] ioctl(4, LOOP_SET_FD, 3 [pid 7440] chdir("./file0" [pid 5072] close(4 [pid 7440] <... chdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 7440] ioctl(4, LOOP_CLR_FD [pid 7441] <... ioctl resumed>) = 0 [pid 7440] <... ioctl resumed>) = 0 [ 259.397923][ T7439] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.417774][ T7439] REISERFS (device loop5): checking transaction log (loop5) [ 259.439611][ T7441] loop2: detected capacity change from 0 to 8192 [pid 5072] rmdir("./195/file0" [pid 7441] close(3 [pid 7440] close(4 [pid 7444] 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"..., 4194304 [pid 5072] <... rmdir resumed>) = 0 [pid 7441] <... close resumed>) = 0 [pid 7441] mkdir("./file0", 0777 [pid 7440] <... close resumed>) = 0 [pid 5072] getdents64(3, [pid 7441] <... mkdir resumed>) = 0 [pid 7440] mkdir(NULL, 000 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7441] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7440] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5072] close(3 [pid 7440] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] <... close resumed>) = 0 [pid 7440] <... openat resumed>) = 4 [pid 7440] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] rmdir("./195" [pid 7440] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7440] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] <... rmdir resumed>) = 0 [pid 7440] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] mkdir("./196", 0777 [pid 7440] exit_group(0 [pid 5072] <... mkdir resumed>) = 0 [pid 7440] <... exit_group resumed>) = ? [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7440] +++ exited with 0 +++ [pid 5072] <... openat resumed>) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7440, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] close(3 [pid 5069] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... close resumed>) = 0 [ 259.457725][ T7439] REISERFS (device loop5): Using r5 hash to sort names [ 259.465221][ T7439] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7445] 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"..., 4194304 [pid 5069] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7447 [pid 5069] <... openat resumed>) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./191/binderfs") = 0 [pid 5069] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7439] <... mount resumed>) = 0 [pid 7439] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7439] chdir("./file0") = 0 [pid 7439] ioctl(4, LOOP_CLR_FD) = 0 [pid 7439] close(4) = 0 [pid 7439] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7439] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7439] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [ 259.501925][ T7439] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 259.513083][ T7441] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7439] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7439] exit_group(0) = ? [pid 7439] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7439, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- ./strace-static-x86_64: Process 7447 attached [pid 7447] chdir("./196") = 0 [pid 7447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7447] setpgid(0, 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7447] <... setpgid resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... openat resumed>) = 3 [pid 7447] <... openat resumed>) = 3 [pid 5074] fstat(3, [pid 7447] write(3, "1000", 4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, [pid 7447] <... write resumed>) = 4 [pid 7447] close(3 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7447] <... close resumed>) = 0 [pid 5074] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7447] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7447] <... symlink resumed>) = 0 [pid 7444] <... write resumed>) = 4194304 [pid 5074] lstat("./199/binderfs", [pid 7447] memfd_create("syzkaller", 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 259.568639][ T7441] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 259.578612][ T7441] REISERFS (device loop2): using ordered data mode [ 259.585836][ T7441] reiserfs: using flush barriers [ 259.594185][ T7441] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7447] <... memfd_create resumed>) = 3 [pid 5074] unlink("./199/binderfs" [pid 7445] <... write resumed>) = 4194304 [pid 7447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... unlink resumed>) = 0 [pid 7445] munmap(0x7f8a1b2e3000, 4194304 [pid 7447] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7445] <... munmap resumed>) = 0 [pid 7445] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5074] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7445] <... openat resumed>) = 4 [pid 7445] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7445] close(3) = 0 [pid 7445] mkdir("./file0", 0777) = 0 [pid 7445] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 259.642179][ T7441] REISERFS (device loop2): checking transaction log (loop2) [ 259.665491][ T7445] loop1: detected capacity change from 0 to 8192 [pid 7444] munmap(0x7f8a1b2e3000, 4194304 [pid 7447] 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"..., 4194304 [pid 7444] <... munmap resumed>) = 0 [pid 7444] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7444] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./191/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7444] <... ioctl resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [ 259.682934][ T7445] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.686610][ T7441] REISERFS (device loop2): Using r5 hash to sort names [ 259.699360][ T7445] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 259.714071][ T7445] REISERFS (device loop1): using ordered data mode [ 259.717763][ T7444] loop4: detected capacity change from 0 to 8192 [ 259.722958][ T7445] reiserfs: using flush barriers [pid 7444] close(3 [pid 5069] fstat(4, [pid 7444] <... close resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7447] <... write resumed>) = 4194304 [pid 7444] mkdir("./file0", 0777 [pid 5069] getdents64(4, [pid 7444] <... mkdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7444] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 7447] munmap(0x7f8a1b2e3000, 4194304 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./191/file0" [pid 7447] <... munmap resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [ 259.743309][ T7441] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 259.772544][ T7444] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5069] getdents64(3, [pid 7447] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7447] <... openat resumed>) = 4 [pid 5069] close(3 [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./199/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./199/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./199") = 0 [pid 5074] mkdir("./200", 0777 [pid 7447] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... close resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5069] rmdir("./191" [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 7441] <... mount resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7441] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7441] chdir("./file0") = 0 [pid 7441] ioctl(4, LOOP_CLR_FD) = 0 [pid 7441] close(4) = 0 [pid 7441] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7441] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7450 [pid 7441] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7441] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7441] exit_group(0) = ? [pid 5069] <... rmdir resumed>) = 0 [pid 5069] mkdir("./192", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [ 259.785117][ T7441] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 259.796684][ T7445] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.815058][ T7447] loop3: detected capacity change from 0 to 8192 [ 259.826350][ T7444] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 259.835665][ T7444] REISERFS (device loop4): using ordered data mode [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7441] +++ exited with 0 +++ [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7451 ./strace-static-x86_64: Process 7451 attached [pid 7447] <... ioctl resumed>) = 0 [pid 7447] close(3) = 0 [pid 7447] mkdir("./file0", 0777) = 0 [pid 7447] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7450 attached [pid 7450] chdir("./200") = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7441, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5071] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7451] chdir("./192" [pid 5071] <... openat resumed>) = 3 [pid 7451] <... chdir resumed>) = 0 [pid 5071] fstat(3, [pid 7451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7451] setpgid(0, 0 [pid 5071] getdents64(3, [pid 7451] <... setpgid resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 259.842822][ T7444] reiserfs: using flush barriers [ 259.849821][ T7444] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.878581][ T7445] REISERFS (device loop1): checking transaction log (loop1) [pid 5071] unlink("./195/binderfs") = 0 [pid 7451] <... openat resumed>) = 3 [pid 5071] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7451] write(3, "1000", 4) = 4 [pid 7451] close(3) = 0 [pid 7450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7450] setpgid(0, 0) = 0 [pid 7450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7450] write(3, "1000", 4) = 4 [pid 7450] close(3) = 0 [pid 7450] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7450] memfd_create("syzkaller", 0) = 3 [pid 7450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 259.888393][ T7445] REISERFS (device loop1): Using r5 hash to sort names [ 259.888549][ T7444] REISERFS (device loop4): checking transaction log (loop4) [ 259.898171][ T7447] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.917894][ T7444] REISERFS (device loop4): Using r5 hash to sort names [ 259.924983][ T7444] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7451] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7451] memfd_create("syzkaller", 0) = 3 [pid 7451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7450] 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"..., 4194304 [pid 7444] <... mount resumed>) = 0 [pid 7444] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7444] chdir("./file0") = 0 [pid 7444] ioctl(4, LOOP_CLR_FD) = 0 [ 259.927475][ T7445] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 259.960865][ T7444] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7444] close(4) = 0 [pid 7451] 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"..., 4194304 [pid 7444] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7444] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7444] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7444] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7444] exit_group(0) = ? [pid 7444] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7444, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=10 /* 0.10 s */} --- [pid 5073] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = 0 [ 260.016501][ T7447] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 260.026759][ T7447] REISERFS (device loop3): using ordered data mode [ 260.042951][ T7447] reiserfs: using flush barriers [ 260.048288][ T7445] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./198/binderfs") = 0 [pid 5073] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7445] <... mount resumed>) = 0 [pid 5071] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7450] <... write resumed>) = 4194304 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7450] munmap(0x7f8a1b2e3000, 4194304 [pid 5071] lstat("./195/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7445] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7445] chdir("./file0") = 0 [pid 7445] ioctl(4, LOOP_CLR_FD) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7445] close(4 [pid 7450] <... munmap resumed>) = 0 [pid 5071] getdents64(4, [pid 7445] <... close resumed>) = 0 [pid 7445] mkdir(NULL, 000) = -1 EFAULT (Bad address) [ 260.057830][ T7447] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.078002][ T7447] REISERFS (device loop3): checking transaction log (loop3) [ 260.096356][ T7447] REISERFS (device loop3): Using r5 hash to sort names [pid 7445] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7450] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7445] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7445] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7445] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7445] exit_group(0) = ? [pid 7445] +++ exited with 0 +++ [pid 7450] <... openat resumed>) = 4 [pid 7447] <... mount resumed>) = 0 [pid 5071] getdents64(4, [pid 7450] ioctl(4, LOOP_SET_FD, 3 [pid 7447] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7445, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7451] <... write resumed>) = 4194304 [pid 7450] <... ioctl resumed>) = 0 [pid 7447] <... openat resumed>) = 3 [pid 5071] close(4 [pid 5070] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7451] munmap(0x7f8a1b2e3000, 4194304 [pid 7450] close(3 [pid 7447] chdir("./file0" [pid 5071] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] <... munmap resumed>) = 0 [pid 7450] <... close resumed>) = 0 [pid 7447] <... chdir resumed>) = 0 [pid 7450] mkdir("./file0", 0777 [pid 5071] rmdir("./195/file0" [pid 7447] ioctl(4, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... rmdir resumed>) = 0 [pid 7450] <... mkdir resumed>) = 0 [pid 7447] <... ioctl resumed>) = 0 [pid 5071] getdents64(3, [pid 5070] <... openat resumed>) = 3 [pid 7450] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7451] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7447] close(4 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [ 260.104726][ T7447] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 260.121752][ T7447] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 260.137057][ T7450] loop5: detected capacity change from 0 to 8192 [pid 5070] fstat(3, [pid 7451] <... openat resumed>) = 4 [pid 7447] <... close resumed>) = 0 [pid 5071] close(3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7451] ioctl(4, LOOP_SET_FD, 3 [pid 7447] mkdir(NULL, 000 [pid 5071] <... close resumed>) = 0 [pid 5070] getdents64(3, [pid 7447] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] rmdir("./195" [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7447] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7451] <... ioctl resumed>) = 0 [pid 7447] <... openat resumed>) = 4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7447] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] mkdir("./196", 0777 [pid 5070] lstat("./194/binderfs", [pid 7447] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7447] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] unlink("./194/binderfs" [pid 7447] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... openat resumed>) = 3 [pid 5070] <... unlink resumed>) = 0 [pid 7451] close(3 [pid 7447] exit_group(0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7451] <... close resumed>) = 0 [pid 7447] <... exit_group resumed>) = ? [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7447] +++ exited with 0 +++ [pid 5071] close(3) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7447, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7451] mkdir("./file0", 0777 [pid 5072] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7454 ./strace-static-x86_64: Process 7454 attached [pid 7451] <... mkdir resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7454] chdir("./196" [pid 7451] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7454] <... chdir resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... openat resumed>) = 3 [pid 7454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] lstat("./198/file0", [pid 7454] <... prctl resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] fstat(3, [pid 7454] setpgid(0, 0 [pid 5073] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7454] <... setpgid resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 260.166684][ T7450] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.181921][ T7451] loop0: detected capacity change from 0 to 8192 [ 260.188728][ T7450] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 260.199437][ T7450] REISERFS (device loop5): using ordered data mode [ 260.206768][ T7450] reiserfs: using flush barriers [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] getdents64(3, [pid 7454] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 4 [pid 7454] write(3, "1000", 4 [pid 5073] fstat(4, [pid 7454] <... write resumed>) = 4 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7454] close(3 [pid 5073] getdents64(4, [pid 7454] <... close resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7454] symlink("/dev/binderfs", "./binderfs" [pid 5073] getdents64(4, [pid 7454] <... symlink resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7454] memfd_create("syzkaller", 0 [pid 5073] close(4 [pid 7454] <... memfd_create resumed>) = 3 [pid 5073] <... close resumed>) = 0 [pid 7454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] rmdir("./198/file0" [pid 7454] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... rmdir resumed>) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./198") = 0 [pid 5073] mkdir("./199", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7456 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./196/binderfs") = 0 [ 260.224640][ T7450] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5072] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7456 attached [pid 7454] 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"..., 4194304 [pid 7456] chdir("./199") = 0 [pid 7456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7456] setpgid(0, 0) = 0 [ 260.273455][ T7451] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.283689][ T7450] REISERFS (device loop5): checking transaction log (loop5) [pid 7456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7456] write(3, "1000", 4) = 4 [pid 7456] close(3) = 0 [pid 7456] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7456] memfd_create("syzkaller", 0) = 3 [pid 7456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 260.316484][ T7451] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 260.326770][ T7451] REISERFS (device loop0): using ordered data mode [ 260.327083][ T7450] REISERFS (device loop5): Using r5 hash to sort names [ 260.333340][ T7451] reiserfs: using flush barriers [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 260.355405][ T7451] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.372547][ T7451] REISERFS (device loop0): checking transaction log (loop0) [ 260.380930][ T7450] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 260.394629][ T7450] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 260.394680][ T7451] REISERFS (device loop0): Using r5 hash to sort names [pid 5070] lstat("./194/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7450] <... mount resumed>) = 0 [pid 7451] <... mount resumed>) = 0 [pid 7450] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7451] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7450] <... openat resumed>) = 3 [pid 7451] <... openat resumed>) = 3 [pid 7450] chdir("./file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7451] chdir("./file0" [pid 7450] <... chdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7451] <... chdir resumed>) = 0 [pid 7450] ioctl(4, LOOP_CLR_FD [pid 7451] ioctl(4, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 4 [pid 7450] <... ioctl resumed>) = 0 [pid 7451] <... ioctl resumed>) = 0 [pid 7450] close(4 [pid 5070] fstat(4, [pid 7451] close(4 [pid 7456] 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"..., 4194304 [pid 7454] <... write resumed>) = 4194304 [pid 7450] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7451] <... close resumed>) = 0 [pid 7454] munmap(0x7f8a1b2e3000, 4194304 [pid 7450] mkdir(NULL, 000 [pid 5070] getdents64(4, [pid 7454] <... munmap resumed>) = 0 [pid 7450] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7451] mkdir(NULL, 000 [pid 7454] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7451] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7450] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] getdents64(4, [pid 7454] <... openat resumed>) = 4 [ 260.411979][ T7451] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 260.424806][ T7451] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7451] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7450] <... openat resumed>) = 4 [pid 5072] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7454] ioctl(4, LOOP_SET_FD, 3 [pid 7451] <... openat resumed>) = 4 [pid 7450] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] close(4 [pid 7451] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7450] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./196/file0", [pid 5070] <... close resumed>) = 0 [pid 7454] <... ioctl resumed>) = 0 [pid 7451] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7450] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] rmdir("./194/file0" [pid 7454] close(3 [pid 7451] mount(NULL, "./bus", NULL, 0, NULL [pid 7450] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 7454] <... close resumed>) = 0 [pid 7451] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7450] exit_group(0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 7454] mkdir("./file0", 0777 [pid 7451] exit_group(0 [pid 7450] <... exit_group resumed>) = ? [pid 5072] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7454] <... mkdir resumed>) = 0 [pid 7451] <... exit_group resumed>) = ? [pid 7450] +++ exited with 0 +++ [pid 5072] <... openat resumed>) = 4 [pid 5070] close(3 [pid 7454] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7451] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7450, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5072] fstat(4, [pid 5070] <... close resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] rmdir("./194" [pid 5072] getdents64(4, [pid 5070] <... rmdir resumed>) = 0 [pid 5074] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] mkdir("./195", 0777 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7451, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(4, [pid 5070] <... mkdir resumed>) = 0 [pid 5069] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5074] <... openat resumed>) = 3 [pid 5072] close(4 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] fstat(3, [pid 5072] <... close resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] rmdir("./196/file0" [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] getdents64(3, [pid 5072] <... rmdir resumed>) = 0 [pid 5070] close(3 [pid 5069] <... openat resumed>) = 3 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] getdents64(3, [pid 5070] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] close(3) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7458 [pid 5072] rmdir("./196") = 0 [pid 5072] mkdir("./197", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3 [pid 5074] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... close resumed>) = 0 [pid 5069] fstat(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] lstat("./200/binderfs", [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7459 [pid 5074] unlink("./200/binderfs" [pid 5069] getdents64(3, ./strace-static-x86_64: Process 7458 attached [pid 5074] <... unlink resumed>) = 0 [pid 7458] chdir("./195" [pid 5074] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7458] <... chdir resumed>) = 0 [pid 7458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7459 attached [pid 7458] setpgid(0, 0 [pid 7459] chdir("./197" [pid 7458] <... setpgid resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7459] <... chdir resumed>) = 0 [pid 7458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7458] <... openat resumed>) = 3 [pid 5069] lstat("./192/binderfs", [pid 7459] <... prctl resumed>) = 0 [pid 7458] write(3, "1000", 4 [pid 7459] setpgid(0, 0 [pid 7458] <... write resumed>) = 4 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7459] <... setpgid resumed>) = 0 [pid 7458] close(3 [pid 5069] unlink("./192/binderfs" [pid 7459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7458] <... close resumed>) = 0 [pid 7459] <... openat resumed>) = 3 [pid 7458] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... unlink resumed>) = 0 [pid 7459] write(3, "1000", 4 [pid 7458] <... symlink resumed>) = 0 [pid 5069] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7459] <... write resumed>) = 4 [ 260.481559][ T7454] loop2: detected capacity change from 0 to 8192 [ 260.512936][ T7454] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7458] memfd_create("syzkaller", 0 [pid 7459] close(3 [pid 7458] <... memfd_create resumed>) = 3 [pid 7459] <... close resumed>) = 0 [pid 7458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7459] symlink("/dev/binderfs", "./binderfs" [pid 7458] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7459] <... symlink resumed>) = 0 [pid 7459] memfd_create("syzkaller", 0) = 3 [pid 7459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7456] <... write resumed>) = 4194304 [ 260.554132][ T7454] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 260.563806][ T7454] REISERFS (device loop2): using ordered data mode [ 260.571215][ T7454] reiserfs: using flush barriers [ 260.578444][ T7454] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.596078][ T7454] REISERFS (device loop2): checking transaction log (loop2) [pid 7456] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7456] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7454] <... mount resumed>) = 0 [pid 7454] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7458] 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"..., 4194304 [pid 7454] <... openat resumed>) = 3 [pid 7456] <... openat resumed>) = 4 [pid 7454] chdir("./file0") = 0 [pid 7454] ioctl(4, LOOP_CLR_FD [pid 7456] ioctl(4, LOOP_SET_FD, 3 [pid 7454] <... ioctl resumed>) = 0 [ 260.605377][ T7454] REISERFS (device loop2): Using r5 hash to sort names [ 260.613314][ T7454] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 260.626924][ T7454] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7454] close(4) = 0 [pid 7454] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7454] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7454] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7454] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7456] <... ioctl resumed>) = 0 [pid 7454] exit_group(0) = ? [pid 7456] close(3) = 0 [pid 7454] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7454, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5071] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] mkdir("./file0", 0777 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./196/binderfs", [pid 7456] <... mkdir resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./196/binderfs" [pid 7456] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] <... unlink resumed>) = 0 [ 260.665450][ T7456] loop4: detected capacity change from 0 to 8192 [pid 5071] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7458] <... write resumed>) = 4194304 [pid 7458] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7458] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7458] ioctl(4, LOOP_SET_FD, 3 [pid 7459] 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"..., 4194304 [pid 5069] <... umount2 resumed>) = 0 [pid 7458] <... ioctl resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7458] close(3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7458] <... close resumed>) = 0 [pid 5074] lstat("./200/file0", [pid 7458] mkdir("./file0", 0777 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 260.713789][ T7456] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.741505][ T7458] loop1: detected capacity change from 0 to 8192 [pid 7458] <... mkdir resumed>) = 0 [pid 5074] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7458] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./192/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] fstat(4, [pid 5071] lstat("./196/file0", [pid 5069] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... openat resumed>) = 4 [ 260.780964][ T7456] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 260.790695][ T7456] REISERFS (device loop4): using ordered data mode [ 260.798302][ T7456] reiserfs: using flush barriers [ 260.804597][ T7458] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5074] getdents64(4, [pid 5071] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(4, [pid 7459] <... write resumed>) = 4194304 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7459] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7459] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7459] ioctl(4, LOOP_SET_FD, 3 [pid 5074] getdents64(4, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(4, [pid 5074] close(4 [pid 5071] <... openat resumed>) = 4 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] <... close resumed>) = 0 [pid 5071] fstat(4, [pid 5069] getdents64(4, [pid 5074] rmdir("./200/file0" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7459] <... ioctl resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] close(4 [pid 5074] getdents64(3, [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... close resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(4, [pid 5069] rmdir("./192/file0" [pid 5074] close(3 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5071] close(4 [pid 5069] getdents64(3, [pid 5074] rmdir("./200" [pid 5071] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5071] rmdir("./196/file0" [pid 5069] close(3 [pid 7459] close(3 [pid 5074] mkdir("./201", 0777 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5069] rmdir("./192" [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5071] close(3 [pid 5069] mkdir("./193", 0777 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5071] <... close resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 260.818988][ T7456] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.827008][ T7459] loop3: detected capacity change from 0 to 8192 [ 260.842370][ T7458] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 260.852820][ T7456] REISERFS (device loop4): checking transaction log (loop4) [ 260.861366][ T7458] REISERFS (device loop1): using ordered data mode [ 260.868215][ T7458] reiserfs: using flush barriers [ 260.868972][ T7456] REISERFS (device loop4): Using r5 hash to sort names [pid 5071] rmdir("./196" [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7459] <... close resumed>) = 0 [pid 5074] close(3 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 7459] mkdir("./file0", 0777 [pid 5074] <... close resumed>) = 0 [pid 5071] mkdir("./197", 0777 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] close(3 [pid 7459] <... mkdir resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7462 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] close(3 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7463 [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7464 [pid 7459] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7464 attached [pid 7464] chdir("./197") = 0 [pid 7464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7464] setpgid(0, 0) = 0 [pid 7464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7464] write(3, "1000", 4) = 4 [pid 7464] close(3) = 0 ./strace-static-x86_64: Process 7463 attached [pid 7464] symlink("/dev/binderfs", "./binderfs" [pid 7463] chdir("./193" [pid 7464] <... symlink resumed>) = 0 [pid 7463] <... chdir resumed>) = 0 [pid 7463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7464] memfd_create("syzkaller", 0 [pid 7463] <... prctl resumed>) = 0 [pid 7463] setpgid(0, 0) = 0 [pid 7463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7464] <... memfd_create resumed>) = 3 [pid 7463] <... openat resumed>) = 3 [pid 7464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 ./strace-static-x86_64: Process 7462 attached [pid 7462] chdir("./201" [pid 7463] write(3, "1000", 4) = 4 [pid 7463] close(3) = 0 [ 260.885726][ T7458] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.902959][ T7456] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 260.918582][ T7456] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7462] <... chdir resumed>) = 0 [pid 7463] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7462] setpgid(0, 0) = 0 [pid 7462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7463] memfd_create("syzkaller", 0 [pid 7462] <... openat resumed>) = 3 [pid 7463] <... memfd_create resumed>) = 3 [pid 7462] write(3, "1000", 4 [pid 7463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7462] <... write resumed>) = 4 [pid 7463] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7462] close(3) = 0 [pid 7462] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7462] memfd_create("syzkaller", 0) = 3 [pid 7462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7456] <... mount resumed>) = 0 [pid 7456] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7456] chdir("./file0") = 0 [pid 7456] ioctl(4, LOOP_CLR_FD) = 0 [pid 7456] close(4) = 0 [pid 7456] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7456] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7456] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7456] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7456] exit_group(0) = ? [pid 7456] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7456, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 260.929790][ T7459] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.944052][ T7459] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 260.954403][ T7459] REISERFS (device loop3): using ordered data mode [ 260.963371][ T7459] reiserfs: using flush barriers [ 260.972189][ T7458] REISERFS (device loop1): checking transaction log (loop1) [pid 5073] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./199/binderfs") = 0 [ 260.990111][ T7458] REISERFS (device loop1): Using r5 hash to sort names [ 260.990492][ T7459] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.014224][ T7459] REISERFS (device loop3): checking transaction log (loop3) [ 261.031606][ T7459] REISERFS (device loop3): Using r5 hash to sort names [pid 5073] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7464] 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"..., 4194304 [pid 7459] <... mount resumed>) = 0 [ 261.039011][ T7459] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.052202][ T7459] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 261.061901][ T7458] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7459] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7458] <... mount resumed>) = 0 [pid 7462] 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"..., 4194304 [pid 7459] chdir("./file0" [pid 7458] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] <... umount2 resumed>) = 0 [pid 7459] <... chdir resumed>) = 0 [pid 7458] <... openat resumed>) = 3 [pid 7459] ioctl(4, LOOP_CLR_FD [pid 7458] chdir("./file0" [pid 7459] <... ioctl resumed>) = 0 [pid 7459] close(4 [pid 7458] <... chdir resumed>) = 0 [pid 7459] <... close resumed>) = 0 [pid 7459] mkdir(NULL, 000 [pid 7458] ioctl(4, LOOP_CLR_FD [pid 7459] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7458] <... ioctl resumed>) = 0 [pid 7459] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7458] close(4 [pid 7459] <... openat resumed>) = 4 [pid 7458] <... close resumed>) = 0 [pid 7459] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7458] mkdir(NULL, 000 [pid 7463] 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"..., 4194304 [pid 7459] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7458] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7459] mount(NULL, "./bus", NULL, 0, NULL [pid 7458] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7459] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7459] exit_group(0 [pid 7458] <... openat resumed>) = 4 [ 261.086386][ T7458] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7459] <... exit_group resumed>) = ? [pid 7458] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7459] +++ exited with 0 +++ [pid 7458] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7459, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7458] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] lstat("./199/file0", [pid 7458] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7458] exit_group(0 [pid 5073] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7458] <... exit_group resumed>) = ? [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7458] +++ exited with 0 +++ [pid 5073] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 4 [pid 5072] fstat(3, [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7458, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5073] fstat(4, [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, [pid 5073] getdents64(4, [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./197/binderfs", [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] getdents64(4, [pid 5072] unlink("./197/binderfs" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] close(4 [pid 5072] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 3 [pid 5073] <... close resumed>) = 0 [pid 5070] fstat(3, [pid 5073] rmdir("./199/file0" [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5073] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] close(3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5070] lstat("./195/binderfs", [pid 5073] rmdir("./199" [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./195/binderfs" [pid 5073] <... rmdir resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5073] mkdir("./200", 0777 [pid 5070] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... mkdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7466 [pid 7464] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 7466 attached [pid 7466] chdir("./200") = 0 [pid 7466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7466] setpgid(0, 0) = 0 [pid 7466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7464] munmap(0x7f8a1b2e3000, 4194304 [pid 7466] <... openat resumed>) = 3 [pid 7464] <... munmap resumed>) = 0 [pid 7466] write(3, "1000", 4 [pid 7464] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7466] <... write resumed>) = 4 [pid 7464] <... openat resumed>) = 4 [pid 7466] close(3 [pid 7464] ioctl(4, LOOP_SET_FD, 3 [pid 7466] <... close resumed>) = 0 [pid 7463] <... write resumed>) = 4194304 [pid 7466] symlink("/dev/binderfs", "./binderfs" [pid 7463] munmap(0x7f8a1b2e3000, 4194304 [pid 7466] <... symlink resumed>) = 0 [pid 7463] <... munmap resumed>) = 0 [pid 7466] memfd_create("syzkaller", 0 [pid 7463] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7466] <... memfd_create resumed>) = 3 [pid 7463] <... openat resumed>) = 4 [pid 7466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7463] ioctl(4, LOOP_SET_FD, 3 [pid 7466] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7464] <... ioctl resumed>) = 0 [pid 7464] close(3) = 0 [pid 7464] mkdir("./file0", 0777) = 0 [pid 7462] <... write resumed>) = 4194304 [pid 5070] <... umount2 resumed>) = 0 [pid 7464] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7463] <... ioctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 7463] close(3 [pid 5072] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7463] <... close resumed>) = 0 [ 261.272391][ T7464] loop2: detected capacity change from 0 to 8192 [ 261.285324][ T7463] loop0: detected capacity change from 0 to 8192 [pid 7466] 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"..., 4194304 [pid 7463] mkdir("./file0", 0777 [pid 7462] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7463] <... mkdir resumed>) = 0 [pid 7462] <... munmap resumed>) = 0 [pid 5072] lstat("./197/file0", [pid 7463] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7462] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7462] <... openat resumed>) = 4 [pid 5072] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7462] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./195/file0", [pid 5072] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] fstat(4, [pid 5070] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(4, [pid 5070] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... openat resumed>) = 4 [pid 5072] getdents64(4, [pid 5070] fstat(4, [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] close(4 [pid 5070] getdents64(4, [pid 5072] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] rmdir("./197/file0" [pid 5070] getdents64(4, [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] getdents64(3, [pid 5070] close(4 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = 0 [pid 5072] close(3 [ 261.313371][ T7464] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.326946][ T7464] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 261.336178][ T7464] REISERFS (device loop2): using ordered data mode [ 261.340917][ T7462] loop5: detected capacity change from 0 to 8192 [ 261.343591][ T7464] reiserfs: using flush barriers [pid 5070] rmdir("./195/file0" [pid 5072] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5072] rmdir("./197" [pid 5070] getdents64(3, [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] mkdir("./198", 0777 [pid 5070] close(3 [pid 5072] <... mkdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5070] rmdir("./195" [pid 5072] <... openat resumed>) = 3 [pid 5070] <... rmdir resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] mkdir("./196", 0777 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... mkdir resumed>) = 0 [pid 5072] close(3 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7462] <... ioctl resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7469 [pid 5070] close(3 [pid 7462] close(3 [pid 5070] <... close resumed>) = 0 [pid 7462] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7462] mkdir("./file0", 0777 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7470 [pid 7462] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7469 attached [pid 7462] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7469] chdir("./198"./strace-static-x86_64: Process 7470 attached ) = 0 [pid 7470] chdir("./196" [pid 7469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7470] <... chdir resumed>) = 0 [pid 7469] <... prctl resumed>) = 0 [pid 7470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7469] setpgid(0, 0 [pid 7470] <... prctl resumed>) = 0 [pid 7469] <... setpgid resumed>) = 0 [pid 7470] setpgid(0, 0 [pid 7469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7470] <... setpgid resumed>) = 0 [pid 7469] <... openat resumed>) = 3 [ 261.356646][ T7463] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.357755][ T7464] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.386889][ T7464] REISERFS (device loop2): checking transaction log (loop2) [ 261.395616][ T7464] REISERFS (device loop2): Using r5 hash to sort names [pid 7470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7469] write(3, "1000", 4 [pid 7470] <... openat resumed>) = 3 [pid 7469] <... write resumed>) = 4 [pid 7470] write(3, "1000", 4 [pid 7469] close(3 [pid 7470] <... write resumed>) = 4 [pid 7469] <... close resumed>) = 0 [pid 7464] <... mount resumed>) = 0 [pid 7470] close(3 [pid 7469] symlink("/dev/binderfs", "./binderfs" [pid 7470] <... close resumed>) = 0 [pid 7469] <... symlink resumed>) = 0 [pid 7464] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7470] symlink("/dev/binderfs", "./binderfs" [pid 7469] memfd_create("syzkaller", 0 [pid 7470] <... symlink resumed>) = 0 [pid 7469] <... memfd_create resumed>) = 3 [pid 7470] memfd_create("syzkaller", 0 [pid 7469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7464] <... openat resumed>) = 3 [ 261.403922][ T7464] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.409175][ T7463] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 261.417274][ T7464] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 261.438483][ T7462] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.439696][ T7463] REISERFS (device loop0): using ordered data mode [pid 7470] <... memfd_create resumed>) = 3 [pid 7469] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7464] chdir("./file0" [pid 7470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7466] <... write resumed>) = 4194304 [pid 7464] <... chdir resumed>) = 0 [pid 7464] ioctl(4, LOOP_CLR_FD) = 0 [ 261.460745][ T7463] reiserfs: using flush barriers [ 261.466160][ T7462] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 261.476945][ T7462] REISERFS (device loop5): using ordered data mode [ 261.484040][ T7462] reiserfs: using flush barriers [ 261.491831][ T7462] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7464] close(4 [pid 7466] munmap(0x7f8a1b2e3000, 4194304 [pid 7464] <... close resumed>) = 0 [pid 7464] mkdir(NULL, 000 [pid 7466] <... munmap resumed>) = 0 [pid 7464] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7466] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7464] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7464] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7464] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7464] exit_group(0) = ? [ 261.494401][ T7463] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.508887][ T7462] REISERFS (device loop5): checking transaction log (loop5) [ 261.547369][ T7462] REISERFS (device loop5): Using r5 hash to sort names [pid 7464] +++ exited with 0 +++ [pid 7466] <... openat resumed>) = 4 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7464, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7470] 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"..., 4194304 [pid 7466] ioctl(4, LOOP_SET_FD, 3 [pid 7469] 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"..., 4194304 [pid 7466] <... ioctl resumed>) = 0 [pid 7466] close(3 [pid 5071] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7466] <... close resumed>) = 0 [pid 7466] mkdir("./file0", 0777 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7466] <... mkdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7466] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] <... openat resumed>) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7462] <... mount resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7462] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] lstat("./197/binderfs", [pid 7462] <... openat resumed>) = 3 [ 261.556851][ T7462] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.571509][ T7462] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 261.586496][ T7466] loop4: detected capacity change from 0 to 8192 [pid 7470] <... write resumed>) = 4194304 [pid 7462] chdir("./file0" [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7470] munmap(0x7f8a1b2e3000, 4194304 [pid 7462] <... chdir resumed>) = 0 [pid 5071] unlink("./197/binderfs" [pid 7470] <... munmap resumed>) = 0 [pid 7470] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7462] ioctl(4, LOOP_CLR_FD [pid 5071] <... unlink resumed>) = 0 [pid 7470] <... openat resumed>) = 4 [pid 7462] <... ioctl resumed>) = 0 [pid 5071] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7469] <... write resumed>) = 4194304 [pid 7462] close(4) = 0 [pid 7469] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7469] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7462] mkdir(NULL, 000 [pid 7469] <... openat resumed>) = 4 [pid 7462] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7462] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 261.619669][ T7466] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.632642][ T7463] REISERFS (device loop0): checking transaction log (loop0) [ 261.634862][ T7463] REISERFS (device loop0): Using r5 hash to sort names [ 261.645267][ T7466] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 261.658246][ T7466] REISERFS (device loop4): using ordered data mode [ 261.665181][ T7466] reiserfs: using flush barriers [pid 7462] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7469] ioctl(4, LOOP_SET_FD, 3 [pid 7462] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7462] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7462] exit_group(0) = ? [pid 7462] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7462, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 7470] ioctl(4, LOOP_SET_FD, 3 [pid 7469] <... ioctl resumed>) = 0 [pid 7469] close(3) = 0 [pid 7469] mkdir("./file0", 0777) = 0 [pid 7469] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [ 261.684459][ T7469] loop3: detected capacity change from 0 to 8192 [ 261.693195][ T7470] loop1: detected capacity change from 0 to 8192 [ 261.704384][ T7463] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.706074][ T7469] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5074] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./201/binderfs") = 0 [pid 5074] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7470] <... ioctl resumed>) = 0 [pid 7470] close(3) = 0 [pid 7470] mkdir("./file0", 0777) = 0 [ 261.717806][ T7466] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.735618][ T7463] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 261.750448][ T7466] REISERFS (device loop4): checking transaction log (loop4) [pid 7470] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7463] <... mount resumed>) = 0 [pid 7463] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7463] chdir("./file0") = 0 [pid 7463] ioctl(4, LOOP_CLR_FD) = 0 [pid 7463] close(4) = 0 [pid 7463] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7463] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7463] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7463] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7463] exit_group(0) = ? [pid 7463] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7463, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5069] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./193/binderfs") = 0 [ 261.786617][ T7466] REISERFS (device loop4): Using r5 hash to sort names [ 261.793735][ T7466] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 261.827271][ T7469] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 261.837555][ T7469] REISERFS (device loop3): using ordered data mode [ 261.845520][ T7470] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.854325][ T7469] reiserfs: using flush barriers [ 261.858929][ T7470] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5069] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./197/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 261.873162][ T7470] REISERFS (device loop1): using ordered data mode [ 261.879841][ T7470] reiserfs: using flush barriers [ 261.898730][ T7470] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5069] <... umount2 resumed>) = 0 [pid 5071] fstat(4, [pid 5069] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(4, [pid 5069] lstat("./193/file0", [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4 [pid 5074] <... umount2 resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./197/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./197") = 0 [pid 5071] mkdir("./198", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 261.899683][ T7469] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 261.915486][ T7470] REISERFS (device loop1): checking transaction log (loop1) [ 261.949008][ T7470] REISERFS (device loop1): Using r5 hash to sort names [ 261.956575][ T7470] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5071] close(3 [pid 7466] <... mount resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7466] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./201/file0", [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7475 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7466] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7475 attached [pid 7466] chdir("./file0" [pid 5074] fstat(4, [pid 5069] <... openat resumed>) = 4 [pid 7475] chdir("./198" [pid 7466] <... chdir resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] fstat(4, [pid 7475] <... chdir resumed>) = 0 [pid 7466] ioctl(4, LOOP_CLR_FD [pid 5074] getdents64(4, [pid 7470] <... mount resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7466] <... ioctl resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7475] <... prctl resumed>) = 0 [pid 5074] getdents64(4, [pid 7475] setpgid(0, 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7475] <... setpgid resumed>) = 0 [pid 5074] close(4 [pid 7475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... close resumed>) = 0 [pid 7475] <... openat resumed>) = 3 [ 261.976374][ T7466] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 261.990433][ T7470] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 262.012887][ T7469] REISERFS (device loop3): checking transaction log (loop3) [pid 7470] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7466] close(4 [pid 5074] rmdir("./201/file0" [pid 5069] getdents64(4, [pid 7475] write(3, "1000", 4 [pid 7470] <... openat resumed>) = 3 [pid 7466] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7470] chdir("./file0" [pid 7466] mkdir(NULL, 000 [pid 5074] <... rmdir resumed>) = 0 [pid 5069] getdents64(4, [pid 7470] <... chdir resumed>) = 0 [pid 7466] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] getdents64(3, [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7475] <... write resumed>) = 4 [pid 7470] ioctl(4, LOOP_CLR_FD [pid 7466] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] close(4 [pid 7475] close(3 [pid 7470] <... ioctl resumed>) = 0 [pid 7466] <... openat resumed>) = 4 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 7470] close(4 [pid 7466] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5069] rmdir("./193/file0" [pid 7475] <... close resumed>) = 0 [pid 7470] <... close resumed>) = 0 [pid 7466] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(3 [pid 5069] <... rmdir resumed>) = 0 [pid 7470] mkdir(NULL, 000 [pid 7466] mount(NULL, "./bus", NULL, 0, NULL [pid 5069] getdents64(3, [pid 7470] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7466] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7470] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7466] exit_group(0 [pid 5069] close(3 [pid 7475] symlink("/dev/binderfs", "./binderfs" [pid 7470] <... openat resumed>) = 4 [pid 7466] <... exit_group resumed>) = ? [pid 5074] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 7475] <... symlink resumed>) = 0 [pid 7470] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7466] +++ exited with 0 +++ [pid 5074] rmdir("./201" [pid 5069] rmdir("./193" [pid 7475] memfd_create("syzkaller", 0 [pid 7470] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 7475] <... memfd_create resumed>) = 3 [pid 7470] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7466, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5069] mkdir("./194", 0777 [pid 5074] mkdir("./202", 0777 [pid 7475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7470] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... mkdir resumed>) = 0 [pid 7470] exit_group(0 [pid 5074] <... mkdir resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [ 262.023485][ T7469] REISERFS (device loop3): Using r5 hash to sort names [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7475] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7470] <... exit_group resumed>) = ? [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5069] <... openat resumed>) = 3 [pid 7470] +++ exited with 0 +++ [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5074] <... openat resumed>) = 3 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7476 attached [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7470, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7476 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5074] close(3) = 0 [pid 5073] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... restart_syscall resumed>) = 0 [pid 7476] chdir("./194" [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... openat resumed>) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7477 [pid 5070] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7476] <... chdir resumed>) = 0 [pid 5073] getdents64(3, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] fstat(3, [pid 7476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] lstat("./200/binderfs", [pid 5070] getdents64(3, [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7476] <... prctl resumed>) = 0 [ 262.051548][ T7469] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] unlink("./200/binderfs" [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] <... unlink resumed>) = 0 [pid 5073] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./196/binderfs", ./strace-static-x86_64: Process 7477 attached [pid 7476] setpgid(0, 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7476] <... setpgid resumed>) = 0 [pid 5070] unlink("./196/binderfs" [pid 7476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... unlink resumed>) = 0 [pid 7477] chdir("./202" [pid 7476] <... openat resumed>) = 3 [pid 5070] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7477] <... chdir resumed>) = 0 [pid 7476] write(3, "1000", 4 [pid 7477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7476] <... write resumed>) = 4 [pid 7477] <... prctl resumed>) = 0 [pid 7476] close(3 [pid 7477] setpgid(0, 0 [pid 7476] <... close resumed>) = 0 [pid 7477] <... setpgid resumed>) = 0 [pid 7476] symlink("/dev/binderfs", "./binderfs" [pid 7477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7476] <... symlink resumed>) = 0 [pid 7477] <... openat resumed>) = 3 [pid 7476] memfd_create("syzkaller", 0 [pid 7477] write(3, "1000", 4 [pid 7476] <... memfd_create resumed>) = 3 [pid 7476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7477] <... write resumed>) = 4 [pid 7476] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7477] close(3) = 0 [pid 7477] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7469] <... mount resumed>) = 0 [pid 7477] memfd_create("syzkaller", 0 [pid 7469] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7477] <... memfd_create resumed>) = 3 [pid 7477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7469] <... openat resumed>) = 3 [pid 7469] chdir("./file0" [pid 7477] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7469] <... chdir resumed>) = 0 [pid 7469] ioctl(4, LOOP_CLR_FD) = 0 [pid 7469] close(4) = 0 [pid 7469] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7469] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7475] 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"..., 4194304 [pid 7469] <... openat resumed>) = 4 [pid 7469] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7469] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7469] exit_group(0) = ? [pid 7469] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7469, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [ 262.099450][ T7469] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5072] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./198/binderfs") = 0 [pid 5072] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./200/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./200/file0") = 0 [pid 7476] 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"..., 4194304 [pid 5073] getdents64(3, [pid 5072] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] close(3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5072] lstat("./198/file0", [pid 5073] rmdir("./200" [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5072] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] mkdir("./201", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] <... openat resumed>) = 4 [pid 7477] 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"..., 4194304 [pid 5073] <... openat resumed>) = 3 [pid 5072] fstat(4, [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] getdents64(4, [pid 5073] close(3 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... close resumed>) = 0 [pid 5072] getdents64(4, [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7478 [pid 5072] <... close resumed>) = 0 [pid 5072] rmdir("./198/file0") = 0 [pid 5070] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(3, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] lstat("./196/file0", [pid 5072] close(3) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] rmdir("./198" [pid 5070] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7478 attached [pid 5072] mkdir("./199", 0777 [pid 5070] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7478] chdir("./201" [pid 5072] <... mkdir resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 7478] <... chdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5070] fstat(4, [pid 7478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... openat resumed>) = 3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7478] <... prctl resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] getdents64(4, [pid 7478] setpgid(0, 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7478] <... setpgid resumed>) = 0 [pid 5072] close(3 [pid 5070] getdents64(4, [pid 7478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7478] <... openat resumed>) = 3 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] close(4 [pid 7478] write(3, "1000", 4 [pid 5070] <... close resumed>) = 0 [pid 7478] <... write resumed>) = 4 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7479 [pid 5070] rmdir("./196/file0" [pid 7478] close(3 [pid 5070] <... rmdir resumed>) = 0 [pid 7478] <... close resumed>) = 0 [pid 5070] getdents64(3, [pid 7478] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7478] <... symlink resumed>) = 0 [pid 5070] close(3 [pid 7478] memfd_create("syzkaller", 0 [pid 5070] <... close resumed>) = 0 [pid 7478] <... memfd_create resumed>) = 3 [pid 5070] rmdir("./196"./strace-static-x86_64: Process 7479 attached [pid 7478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... rmdir resumed>) = 0 [pid 7479] chdir("./199" [pid 7478] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5070] mkdir("./197", 0777 [pid 7479] <... chdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 7479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7479] <... prctl resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 7479] setpgid(0, 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7479] <... setpgid resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] close(3 [pid 7479] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 7479] write(3, "1000", 4 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7479] <... write resumed>) = 4 [pid 7479] close(3 [pid 7475] <... write resumed>) = 4194304 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7480 [pid 7479] <... close resumed>) = 0 [pid 7475] munmap(0x7f8a1b2e3000, 4194304 [pid 7479] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7475] <... munmap resumed>) = 0 [pid 7479] memfd_create("syzkaller", 0 [pid 7475] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7479] <... memfd_create resumed>) = 3 [pid 7475] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7480 attached [pid 7479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7475] ioctl(4, LOOP_SET_FD, 3 [pid 7480] chdir("./197" [pid 7479] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7480] <... chdir resumed>) = 0 [pid 7480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7480] setpgid(0, 0) = 0 [pid 7480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7480] write(3, "1000", 4) = 4 [pid 7480] close(3) = 0 [pid 7480] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7475] <... ioctl resumed>) = 0 [pid 7480] memfd_create("syzkaller", 0 [pid 7475] close(3 [pid 7480] <... memfd_create resumed>) = 3 [pid 7475] <... close resumed>) = 0 [pid 7480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7475] mkdir("./file0", 0777 [pid 7480] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7475] <... mkdir resumed>) = 0 [ 262.355027][ T7475] loop2: detected capacity change from 0 to 8192 [pid 7475] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7478] 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"..., 4194304 [pid 7477] <... write resumed>) = 4194304 [pid 7476] <... write resumed>) = 4194304 [pid 7476] munmap(0x7f8a1b2e3000, 4194304 [pid 7477] munmap(0x7f8a1b2e3000, 4194304 [pid 7476] <... munmap resumed>) = 0 [pid 7477] <... munmap resumed>) = 0 [pid 7479] 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"..., 4194304 [pid 7476] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7477] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7476] <... openat resumed>) = 4 [pid 7477] <... openat resumed>) = 4 [ 262.410366][ T7475] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7476] ioctl(4, LOOP_SET_FD, 3 [pid 7478] <... write resumed>) = 4194304 [pid 7477] ioctl(4, LOOP_SET_FD, 3 [pid 7478] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7478] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7476] <... ioctl resumed>) = 0 [pid 7478] <... openat resumed>) = 4 [pid 7476] close(3) = 0 [pid 7476] mkdir("./file0", 0777 [pid 7478] ioctl(4, LOOP_SET_FD, 3 [pid 7476] <... mkdir resumed>) = 0 [ 262.465080][ T7476] loop0: detected capacity change from 0 to 8192 [ 262.471166][ T7475] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 262.472132][ T7477] loop5: detected capacity change from 0 to 8192 [ 262.481454][ T7475] REISERFS (device loop2): using ordered data mode [ 262.495518][ T7475] reiserfs: using flush barriers [ 262.502810][ T7478] loop4: detected capacity change from 0 to 8192 [pid 7476] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7478] <... ioctl resumed>) = 0 [pid 7480] 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"..., 4194304 [pid 7478] close(3 [pid 7477] <... ioctl resumed>) = 0 [pid 7478] <... close resumed>) = 0 [pid 7477] close(3 [pid 7478] mkdir("./file0", 0777 [pid 7477] <... close resumed>) = 0 [pid 7477] mkdir("./file0", 0777 [pid 7478] <... mkdir resumed>) = 0 [pid 7477] <... mkdir resumed>) = 0 [pid 7477] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 262.511953][ T7475] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.528791][ T7476] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.529313][ T7475] REISERFS (device loop2): checking transaction log (loop2) [pid 7478] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7480] <... write resumed>) = 4194304 [pid 7480] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7480] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 262.555217][ T7477] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.565357][ T7476] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 262.577998][ T7478] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.594954][ T7475] REISERFS (device loop2): Using r5 hash to sort names [ 262.595267][ T7480] loop1: detected capacity change from 0 to 8192 [pid 7480] ioctl(4, LOOP_SET_FD, 3 [pid 7479] <... write resumed>) = 4194304 [pid 7479] munmap(0x7f8a1b2e3000, 4194304) = 0 [ 262.603090][ T7477] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 262.610463][ T7478] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 262.627476][ T7477] REISERFS (device loop5): using ordered data mode [ 262.628208][ T7475] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 262.634206][ T7477] reiserfs: using flush barriers [ 262.648631][ T7476] REISERFS (device loop0): using ordered data mode [pid 7480] <... ioctl resumed>) = 0 [pid 7479] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7480] close(3 [pid 7479] <... openat resumed>) = 4 [ 262.653266][ T7477] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.659137][ T7476] reiserfs: using flush barriers [ 262.675138][ T7477] REISERFS (device loop5): checking transaction log (loop5) [ 262.680446][ T7478] REISERFS (device loop4): using ordered data mode [ 262.688159][ T7477] REISERFS (device loop5): Using r5 hash to sort names [ 262.694244][ T7475] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7480] <... close resumed>) = 0 [pid 7479] ioctl(4, LOOP_SET_FD, 3 [pid 7480] mkdir("./file0", 0777) = 0 [pid 7480] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7477] <... mount resumed>) = 0 [pid 7477] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7477] chdir("./file0") = 0 [pid 7477] ioctl(4, LOOP_CLR_FD) = 0 [pid 7477] close(4 [pid 7479] <... ioctl resumed>) = 0 [pid 7477] <... close resumed>) = 0 [pid 7475] <... mount resumed>) = 0 [pid 7479] close(3) = 0 [pid 7479] mkdir("./file0", 0777) = 0 [pid 7479] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 262.700611][ T7477] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 262.709380][ T7479] loop3: detected capacity change from 0 to 8192 [ 262.722556][ T7477] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 262.729493][ T7478] reiserfs: using flush barriers [pid 7475] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7475] chdir("./file0") = 0 [pid 7475] ioctl(4, LOOP_CLR_FD) = 0 [pid 7477] mkdir(NULL, 000 [pid 7475] close(4 [pid 7477] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7475] <... close resumed>) = 0 [pid 7477] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7475] mkdir(NULL, 000 [pid 7477] <... openat resumed>) = 4 [pid 7477] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7475] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7477] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [ 262.756651][ T7478] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.756922][ T7480] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.786857][ T7476] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.799302][ T7480] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7475] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7477] mount(NULL, "./bus", NULL, 0, NULL [pid 7475] <... openat resumed>) = 4 [ 262.803733][ T7479] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.812283][ T7480] REISERFS (device loop1): using ordered data mode [ 262.831859][ T7480] reiserfs: using flush barriers [ 262.838501][ T7480] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.848027][ T7478] REISERFS (device loop4): checking transaction log (loop4) [pid 7477] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7475] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7477] exit_group(0 [pid 7475] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7477] <... exit_group resumed>) = ? [pid 7475] mount(NULL, "./bus", NULL, 0, NULL [pid 7477] +++ exited with 0 +++ [pid 7475] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7475] exit_group(0) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7477, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 7475] +++ exited with 0 +++ [pid 5074] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 262.855756][ T7480] REISERFS (device loop1): checking transaction log (loop1) [ 262.863250][ T7476] REISERFS (device loop0): checking transaction log (loop0) [ 262.876903][ T7479] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 262.887824][ T7479] REISERFS (device loop3): using ordered data mode [ 262.890228][ T7480] REISERFS (device loop1): Using r5 hash to sort names [ 262.895391][ T7478] REISERFS (device loop4): Using r5 hash to sort names [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./202/binderfs", [pid 7480] <... mount resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7475, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5074] unlink("./202/binderfs") = 0 [ 262.901656][ T7480] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 262.918686][ T7476] REISERFS (device loop0): Using r5 hash to sort names [ 262.921250][ T7480] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 262.930835][ T7479] reiserfs: using flush barriers [ 262.937765][ T7478] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5074] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7480] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 7480] <... openat resumed>) = 3 [pid 5071] <... restart_syscall resumed>) = 0 [pid 7480] chdir("./file0") = 0 [pid 7480] ioctl(4, LOOP_CLR_FD [pid 7478] <... mount resumed>) = 0 [pid 7480] <... ioctl resumed>) = 0 [pid 7478] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7480] close(4 [pid 7478] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7476] <... mount resumed>) = 0 [pid 7480] <... close resumed>) = 0 [pid 7478] chdir("./file0" [pid 5071] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7476] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7480] mkdir(NULL, 000 [pid 7478] <... chdir resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 7476] <... openat resumed>) = 3 [pid 7480] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7478] ioctl(4, LOOP_CLR_FD [pid 7476] chdir("./file0" [pid 5071] fstat(3, [pid 7480] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7478] <... ioctl resumed>) = 0 [pid 7476] <... chdir resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7480] <... openat resumed>) = 4 [pid 7478] close(4 [pid 7476] ioctl(4, LOOP_CLR_FD [pid 5071] getdents64(3, [pid 7480] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7478] <... close resumed>) = 0 [pid 7476] <... ioctl resumed>) = 0 [pid 7478] mkdir(NULL, 000 [pid 7476] close(4 [pid 7480] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7480] mount(NULL, "./bus", NULL, 0, NULL [pid 7478] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7476] <... close resumed>) = 0 [pid 5071] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7480] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7478] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7476] mkdir(NULL, 000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7480] exit_group(0) = ? [pid 7478] <... openat resumed>) = 4 [pid 7476] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... umount2 resumed>) = 0 [pid 5071] lstat("./198/binderfs", [pid 7480] +++ exited with 0 +++ [pid 7478] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7476] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7478] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [ 262.947531][ T7479] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.955043][ T7478] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 262.981542][ T7476] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 262.983269][ T7479] REISERFS (device loop3): checking transaction log (loop3) [ 262.994846][ T7476] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7476] <... openat resumed>) = 4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] unlink("./198/binderfs" [pid 7478] mount(NULL, "./bus", NULL, 0, NULL [pid 7476] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] lstat("./202/file0", [pid 7478] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... unlink resumed>) = 0 [pid 7476] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7480, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- [pid 7476] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7478] exit_group(0) = ? [pid 7476] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7478] +++ exited with 0 +++ [pid 7476] exit_group(0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7476] <... exit_group resumed>) = ? [pid 5070] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7478, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5070] <... openat resumed>) = 3 [pid 7476] +++ exited with 0 +++ [pid 5074] <... openat resumed>) = 4 [pid 5070] fstat(3, [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7476, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5074] getdents64(4, [pid 5073] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] getdents64(4, [pid 5073] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(4 [pid 5073] fstat(3, [pid 5070] lstat("./197/binderfs", [pid 5074] <... close resumed>) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] rmdir("./202/file0" [pid 5073] getdents64(3, [pid 5070] unlink("./197/binderfs" [pid 5074] <... rmdir resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... unlink resumed>) = 0 [pid 5069] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(3, [pid 5073] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(3 [pid 5073] lstat("./201/binderfs", [pid 5069] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... close resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5074] rmdir("./202" [pid 5073] unlink("./201/binderfs" [pid 5069] fstat(3, [pid 5074] <... rmdir resumed>) = 0 [pid 5073] <... unlink resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] mkdir("./203", 0777 [pid 5073] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5074] <... mkdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5069] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5069] lstat("./194/binderfs", [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] close(3 [pid 5069] unlink("./194/binderfs" [pid 5074] <... close resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [ 263.041632][ T7479] REISERFS (device loop3): Using r5 hash to sort names [ 263.055950][ T7479] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 263.071289][ T7479] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7487 ./strace-static-x86_64: Process 7487 attached [pid 7487] chdir("./203") = 0 [pid 7487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7487] setpgid(0, 0) = 0 [pid 7487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7487] write(3, "1000", 4) = 4 [pid 7487] close(3) = 0 [pid 7487] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7487] memfd_create("syzkaller", 0 [pid 5071] <... umount2 resumed>) = 0 [pid 7487] <... memfd_create resumed>) = 3 [pid 7487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5073] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5073] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] lstat("./201/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] lstat("./197/file0", [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... openat resumed>) = 4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] fstat(4, [pid 5070] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5073] getdents64(4, [pid 5070] fstat(4, [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 5070] getdents64(4, [pid 5069] <... umount2 resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] close(4 [pid 5070] getdents64(4, [pid 5069] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] rmdir("./201/file0" [pid 5070] close(4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5073] getdents64(3, [pid 5070] rmdir("./197/file0" [pid 5069] lstat("./194/file0", [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5073] close(3 [pid 5070] getdents64(3, [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] rmdir("./201" [pid 5070] close(3 [pid 5069] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] mkdir("./202", 0777 [pid 5070] rmdir("./197" [pid 5069] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... mkdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] mkdir("./198", 0777 [pid 5069] fstat(4, [pid 5073] <... openat resumed>) = 3 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] getdents64(4, [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] close(3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] getdents64(4, [pid 5073] <... close resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] close(3 [pid 5069] close(4 [pid 5071] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7488 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] rmdir("./194/file0" [pid 5071] lstat("./198/file0", [pid 5069] <... rmdir resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7489 [pid 5069] getdents64(3, ./strace-static-x86_64: Process 7488 attached [pid 7479] <... mount resumed>) = 0 [pid 5071] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7488] chdir("./202" [pid 7479] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(3 [pid 7488] <... chdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... close resumed>) = 0 ./strace-static-x86_64: Process 7489 attached [pid 7488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... openat resumed>) = 4 [pid 5069] rmdir("./194" [pid 7489] chdir("./198" [pid 7488] <... prctl resumed>) = 0 [pid 5071] fstat(4, [pid 5069] <... rmdir resumed>) = 0 [pid 7489] <... chdir resumed>) = 0 [pid 7488] setpgid(0, 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] mkdir("./195", 0777 [pid 7489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7488] <... setpgid resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] <... mkdir resumed>) = 0 [pid 7489] <... prctl resumed>) = 0 [pid 7488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7489] setpgid(0, 0 [pid 7488] <... openat resumed>) = 3 [pid 5071] getdents64(4, [pid 5069] <... openat resumed>) = 3 [pid 7489] <... setpgid resumed>) = 0 [pid 7488] write(3, "1000", 4 [pid 7479] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7488] <... write resumed>) = 4 [pid 5071] close(4 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7489] <... openat resumed>) = 3 [pid 7488] close(3 [pid 7479] chdir("./file0" [pid 5071] <... close resumed>) = 0 [pid 5069] close(3 [pid 7489] write(3, "1000", 4 [pid 7488] <... close resumed>) = 0 [pid 5071] rmdir("./198/file0" [pid 5069] <... close resumed>) = 0 [pid 7489] <... write resumed>) = 4 [pid 7488] symlink("/dev/binderfs", "./binderfs" [pid 7479] <... chdir resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7489] close(3 [pid 7488] <... symlink resumed>) = 0 [pid 7479] ioctl(4, LOOP_CLR_FD [pid 5071] getdents64(3, [pid 7489] <... close resumed>) = 0 [pid 7488] memfd_create("syzkaller", 0 [pid 7479] <... ioctl resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7490 [pid 7489] symlink("/dev/binderfs", "./binderfs" [pid 7488] <... memfd_create resumed>) = 3 [pid 7479] close(4 [pid 5071] close(3 [pid 7489] <... symlink resumed>) = 0 [pid 7488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7479] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 7489] memfd_create("syzkaller", 0 [pid 7488] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7479] mkdir(NULL, 000 [pid 5071] rmdir("./198" [pid 7489] <... memfd_create resumed>) = 3 [pid 7479] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7490 attached [pid 7489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7479] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] mkdir("./199", 0777 [pid 7490] chdir("./195" [pid 7489] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7487] 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"..., 4194304 [pid 7479] <... openat resumed>) = 4 [pid 5071] <... mkdir resumed>) = 0 [pid 7490] <... chdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7479] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... openat resumed>) = 3 [pid 7490] <... prctl resumed>) = 0 [pid 7479] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7490] setpgid(0, 0 [pid 7479] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7490] <... setpgid resumed>) = 0 [pid 5071] close(3 [pid 7479] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... close resumed>) = 0 [pid 7490] <... openat resumed>) = 3 [pid 7479] exit_group(0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7490] write(3, "1000", 4 [pid 7479] <... exit_group resumed>) = ? [pid 7490] <... write resumed>) = 4 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7491 [pid 7490] close(3) = 0 [pid 7490] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7479] +++ exited with 0 +++ [pid 7490] memfd_create("syzkaller", 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7479, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- ./strace-static-x86_64: Process 7491 attached [pid 7490] <... memfd_create resumed>) = 3 [pid 7491] chdir("./199" [pid 7490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7491] <... chdir resumed>) = 0 [pid 7490] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7491] <... prctl resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7491] setpgid(0, 0 [pid 5072] <... openat resumed>) = 3 [pid 7491] <... setpgid resumed>) = 0 [pid 5072] fstat(3, [pid 7491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7491] <... openat resumed>) = 3 [pid 5072] getdents64(3, [pid 7491] write(3, "1000", 4 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7491] <... write resumed>) = 4 [pid 5072] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7491] close(3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7491] <... close resumed>) = 0 [pid 7489] 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"..., 4194304 [pid 5072] lstat("./199/binderfs", [pid 7491] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7491] <... symlink resumed>) = 0 [pid 5072] unlink("./199/binderfs" [pid 7491] memfd_create("syzkaller", 0 [pid 5072] <... unlink resumed>) = 0 [pid 7491] <... memfd_create resumed>) = 3 [pid 5072] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7488] 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"..., 4194304 [pid 7490] 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"..., 4194304 [pid 5072] <... umount2 resumed>) = 0 [pid 7491] 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"..., 4194304 [pid 7487] <... write resumed>) = 4194304 [pid 5072] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./199/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7487] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] <... openat resumed>) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7487] <... munmap resumed>) = 0 [pid 5072] getdents64(4, [pid 7487] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7487] <... openat resumed>) = 4 [pid 5072] getdents64(4, [pid 7487] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./199/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./199") = 0 [pid 5072] mkdir("./200", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7492 [pid 7487] <... ioctl resumed>) = 0 [pid 7487] close(3) = 0 [pid 7487] mkdir("./file0", 0777) = 0 [pid 7487] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7489] <... write resumed>) = 4194304 [ 263.481534][ T7487] loop5: detected capacity change from 0 to 8192 [pid 7488] <... write resumed>) = 4194304 [pid 7488] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7488] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7488] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7492 attached [pid 7492] chdir("./200" [pid 7490] <... write resumed>) = 4194304 [pid 7488] <... ioctl resumed>) = 0 [pid 7492] <... chdir resumed>) = 0 [pid 7489] munmap(0x7f8a1b2e3000, 4194304 [pid 7488] close(3 [pid 7492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7491] <... write resumed>) = 4194304 [pid 7489] <... munmap resumed>) = 0 [pid 7488] <... close resumed>) = 0 [pid 7492] <... prctl resumed>) = 0 [pid 7489] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7492] setpgid(0, 0 [pid 7489] <... openat resumed>) = 4 [pid 7492] <... setpgid resumed>) = 0 [pid 7489] ioctl(4, LOOP_SET_FD, 3 [pid 7492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7491] munmap(0x7f8a1b2e3000, 4194304 [pid 7488] mkdir("./file0", 0777 [pid 7492] <... openat resumed>) = 3 [pid 7490] munmap(0x7f8a1b2e3000, 4194304 [pid 7492] write(3, "1000", 4) = 4 [pid 7491] <... munmap resumed>) = 0 [pid 7490] <... munmap resumed>) = 0 [pid 7489] <... ioctl resumed>) = 0 [ 263.534974][ T7487] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.541871][ T7488] loop4: detected capacity change from 0 to 8192 [ 263.560008][ T7487] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 263.566943][ T7489] loop1: detected capacity change from 0 to 8192 [ 263.569585][ T7487] REISERFS (device loop5): using ordered data mode [pid 7492] close(3 [pid 7491] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7490] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7489] close(3 [pid 7488] <... mkdir resumed>) = 0 [pid 7492] <... close resumed>) = 0 [pid 7491] <... openat resumed>) = 4 [pid 7490] <... openat resumed>) = 4 [pid 7489] <... close resumed>) = 0 [pid 7488] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7492] symlink("/dev/binderfs", "./binderfs" [pid 7491] ioctl(4, LOOP_SET_FD, 3 [pid 7490] ioctl(4, LOOP_SET_FD, 3 [pid 7489] mkdir("./file0", 0777 [pid 7492] <... symlink resumed>) = 0 [pid 7491] <... ioctl resumed>) = 0 [pid 7491] close(3) = 0 [pid 7491] mkdir("./file0", 0777) = 0 [pid 7491] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7492] memfd_create("syzkaller", 0 [pid 7490] <... ioctl resumed>) = 0 [pid 7490] close(3) = 0 [pid 7490] mkdir("./file0", 0777) = 0 [pid 7490] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7489] <... mkdir resumed>) = 0 [ 263.583880][ T7487] reiserfs: using flush barriers [ 263.591654][ T7491] loop2: detected capacity change from 0 to 8192 [ 263.592630][ T7487] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.602000][ T7490] loop0: detected capacity change from 0 to 8192 [ 263.616113][ T7488] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7489] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7492] <... memfd_create resumed>) = 3 [ 263.628030][ T7487] REISERFS (device loop5): checking transaction log (loop5) [ 263.635259][ T7491] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.641139][ T7488] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 263.654167][ T7489] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.663485][ T7488] REISERFS (device loop4): using ordered data mode [ 263.678230][ T7487] REISERFS (device loop5): Using r5 hash to sort names [ 263.683938][ T7488] reiserfs: using flush barriers [ 263.690622][ T7491] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 263.695687][ T7490] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.704647][ T7489] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 263.726805][ T7487] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 263.726938][ T7489] REISERFS (device loop1): using ordered data mode [ 263.746146][ T7488] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.756478][ T7489] reiserfs: using flush barriers [ 263.765221][ T7491] REISERFS (device loop2): using ordered data mode [ 263.768514][ T7490] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 263.779314][ T7491] reiserfs: using flush barriers [ 263.783079][ T7489] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.796157][ T7487] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 263.804644][ T7489] REISERFS (device loop1): checking transaction log (loop1) [ 263.821254][ T7488] REISERFS (device loop4): checking transaction log (loop4) [ 263.824259][ T7489] REISERFS (device loop1): Using r5 hash to sort names [ 263.830045][ T7490] REISERFS (device loop0): using ordered data mode [ 263.842331][ T7491] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.859472][ T7488] REISERFS (device loop4): Using r5 hash to sort names [ 263.861980][ T7489] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7492] 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"..., 4194304 [pid 7487] <... mount resumed>) = 0 [pid 7487] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7487] chdir("./file0") = 0 [pid 7487] ioctl(4, LOOP_CLR_FD) = 0 [pid 7487] close(4) = 0 [pid 7487] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7487] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7487] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7487] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7487] exit_group(0) = ? [pid 7487] +++ exited with 0 +++ [ 263.866662][ T7488] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 263.891945][ T7490] reiserfs: using flush barriers [ 263.897687][ T7491] REISERFS (device loop2): checking transaction log (loop2) [ 263.908309][ T7490] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.925427][ T7488] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7487, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 7489] <... mount resumed>) = 0 [pid 7489] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7489] chdir("./file0") = 0 [pid 7489] ioctl(4, LOOP_CLR_FD) = 0 [ 263.947931][ T7491] REISERFS (device loop2): Using r5 hash to sort names [ 263.955345][ T7491] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 263.968828][ T7490] REISERFS (device loop0): checking transaction log (loop0) [ 263.976175][ T7489] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 263.988000][ T7491] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7491] <... mount resumed>) = 0 [pid 7488] <... mount resumed>) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 7491] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7488] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7491] <... openat resumed>) = 3 [pid 7489] close(4 [pid 7488] <... openat resumed>) = 3 [pid 7491] chdir("./file0" [pid 7488] chdir("./file0" [pid 5074] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7492] <... write resumed>) = 4194304 [pid 7489] <... close resumed>) = 0 [pid 7491] <... chdir resumed>) = 0 [pid 7488] <... chdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7491] ioctl(4, LOOP_CLR_FD [pid 7488] ioctl(4, LOOP_CLR_FD [pid 5074] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7491] <... ioctl resumed>) = 0 [pid 7488] <... ioctl resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 7491] close(4 [pid 7488] close(4 [pid 5074] fstat(3, [pid 7491] <... close resumed>) = 0 [pid 7488] <... close resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7491] mkdir(NULL, 000 [pid 7488] mkdir(NULL, 000 [pid 5074] getdents64(3, [pid 7491] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7488] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7491] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7488] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7491] <... openat resumed>) = 4 [pid 7488] <... openat resumed>) = 4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7491] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7488] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] lstat("./203/binderfs", [pid 7491] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7488] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7491] mount(NULL, "./bus", NULL, 0, NULL [pid 7488] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] unlink("./203/binderfs" [pid 7492] munmap(0x7f8a1b2e3000, 4194304 [pid 7491] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7489] mkdir(NULL, 000 [pid 7488] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... unlink resumed>) = 0 [pid 7492] <... munmap resumed>) = 0 [pid 7491] exit_group(0 [pid 7489] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7488] exit_group(0 [pid 5074] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7492] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7491] <... exit_group resumed>) = ? [pid 7489] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7488] <... exit_group resumed>) = ? [pid 7492] <... openat resumed>) = 4 [pid 7491] +++ exited with 0 +++ [pid 7489] <... openat resumed>) = 4 [pid 7488] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7488, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 263.988663][ T7490] REISERFS (device loop0): Using r5 hash to sort names [ 264.013773][ T7490] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 264.034725][ T7490] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7492] ioctl(4, LOOP_SET_FD, 3 [pid 7489] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7489] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] unlink("./202/binderfs" [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7491, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- [pid 7492] <... ioctl resumed>) = 0 [pid 7489] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... unlink resumed>) = 0 [pid 7492] close(3 [pid 7489] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 7492] <... close resumed>) = 0 [pid 7490] <... mount resumed>) = 0 [pid 7489] exit_group(0 [pid 7492] mkdir("./file0", 0777 [pid 7490] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7489] <... exit_group resumed>) = ? [pid 5071] <... restart_syscall resumed>) = 0 [pid 7492] <... mkdir resumed>) = 0 [pid 7490] <... openat resumed>) = 3 [pid 7489] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7489, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7490] chdir("./file0" [pid 7492] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7490] <... chdir resumed>) = 0 [pid 5071] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7490] ioctl(4, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] fstat(3, [pid 7490] <... ioctl resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, [pid 7490] close(4 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7490] <... close resumed>) = 0 [pid 5071] fstat(3, [pid 5070] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7490] mkdir(NULL, 000 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7490] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] getdents64(3, [ 264.052834][ T7492] loop3: detected capacity change from 0 to 8192 [pid 5070] lstat("./198/binderfs", [pid 7490] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... umount2 resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7490] <... openat resumed>) = 4 [pid 5074] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./198/binderfs" [pid 7490] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7490] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./203/file0", [pid 5073] lstat("./202/file0", [pid 5071] lstat("./199/binderfs", [pid 5070] <... unlink resumed>) = 0 [pid 7490] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7490] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] unlink("./199/binderfs" [pid 5070] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7490] exit_group(0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... unlink resumed>) = 0 [pid 7490] <... exit_group resumed>) = ? [pid 5074] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7490] +++ exited with 0 +++ [pid 5074] <... openat resumed>) = 4 [pid 5073] <... openat resumed>) = 4 [pid 5074] fstat(4, [pid 5073] fstat(4, [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, [pid 5073] getdents64(4, [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7490, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5074] getdents64(4, [pid 5073] getdents64(4, [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4 [pid 5073] close(4 [pid 5074] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5069] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] rmdir("./203/file0" [pid 5073] rmdir("./202/file0" [pid 5074] <... rmdir resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5073] getdents64(3, [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] close(3 [pid 5073] close(3 [pid 5074] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5074] rmdir("./203" [pid 5073] rmdir("./202" [pid 5069] fstat(3, [pid 5074] <... rmdir resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5074] mkdir("./204", 0777 [pid 5073] mkdir("./203", 0777 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [ 264.097663][ T7492] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] getdents64(3, [pid 5074] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 5073] close(3 [pid 5074] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] lstat("./195/binderfs", [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7499 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7500 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./195/binderfs") = 0 [pid 5069] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7499 attached ./strace-static-x86_64: Process 7500 attached [pid 7499] chdir("./204" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./199/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, [pid 7499] <... chdir resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, [pid 7499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7500] chdir("./203") = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7500] setpgid(0, 0) = 0 [pid 7500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7499] <... prctl resumed>) = 0 [pid 5071] getdents64(4, [pid 7500] write(3, "1000", 4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7499] setpgid(0, 0 [pid 5071] close(4 [pid 7499] <... setpgid resumed>) = 0 [pid 7500] <... write resumed>) = 4 [pid 7500] close(3) = 0 [pid 5071] <... close resumed>) = 0 [pid 7500] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] rmdir("./199/file0" [pid 7500] memfd_create("syzkaller", 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, [pid 7500] <... memfd_create resumed>) = 3 [pid 7499] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5071] close(3 [pid 7499] write(3, "1000", 4) = 4 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./199" [ 264.151814][ T7492] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 264.163210][ T7492] REISERFS (device loop3): using ordered data mode [ 264.171789][ T7492] reiserfs: using flush barriers [pid 7499] close(3) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 7499] symlink("/dev/binderfs", "./binderfs" [pid 5071] mkdir("./200", 0777 [pid 7499] <... symlink resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 7499] memfd_create("syzkaller", 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 7499] <... memfd_create resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7499] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7501 attached [pid 7501] chdir("./200" [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7501 [pid 7501] <... chdir resumed>) = 0 [pid 7501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7501] setpgid(0, 0) = 0 [pid 7501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7501] write(3, "1000", 4) = 4 [pid 7501] close(3) = 0 [pid 7501] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7501] memfd_create("syzkaller", 0) = 3 [pid 7501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 264.197086][ T7492] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7501] 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"..., 4194304 [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./198/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./198/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./198") = 0 [pid 5070] mkdir("./199", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7502 ./strace-static-x86_64: Process 7502 attached [pid 7502] chdir("./199") = 0 [pid 7502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7502] setpgid(0, 0) = 0 [pid 7502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7502] write(3, "1000", 4) = 4 [pid 7502] close(3) = 0 [pid 7502] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7500] 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"..., 4194304 [pid 7499] 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"..., 4194304 [pid 5069] <... umount2 resumed>) = 0 [pid 7502] memfd_create("syzkaller", 0) = 3 [pid 7502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 264.296002][ T7492] REISERFS (device loop3): checking transaction log (loop3) [ 264.335446][ T7492] REISERFS (device loop3): Using r5 hash to sort names [pid 5069] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./195/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./195/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./195") = 0 [pid 5069] mkdir("./196", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7503 [ 264.376844][ T7492] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! ./strace-static-x86_64: Process 7503 attached [pid 7503] chdir("./196" [pid 7501] <... write resumed>) = 4194304 [pid 7501] munmap(0x7f8a1b2e3000, 4194304 [pid 7503] <... chdir resumed>) = 0 [pid 7503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7503] setpgid(0, 0) = 0 [pid 7503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7502] 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"..., 4194304 [pid 7501] <... munmap resumed>) = 0 [pid 7503] <... openat resumed>) = 3 [pid 7501] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7503] write(3, "1000", 4 [pid 7501] <... openat resumed>) = 4 [pid 7503] <... write resumed>) = 4 [ 264.433495][ T7492] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7501] ioctl(4, LOOP_SET_FD, 3 [pid 7503] close(3) = 0 [pid 7503] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7503] memfd_create("syzkaller", 0) = 3 [pid 7503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7492] <... mount resumed>) = 0 [pid 7503] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7492] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7492] chdir("./file0" [pid 7501] <... ioctl resumed>) = 0 [pid 7492] <... chdir resumed>) = 0 [pid 7501] close(3 [pid 7492] ioctl(4, LOOP_CLR_FD [pid 7501] <... close resumed>) = 0 [pid 7492] <... ioctl resumed>) = 0 [pid 7501] mkdir("./file0", 0777 [pid 7492] close(4 [pid 7501] <... mkdir resumed>) = 0 [pid 7492] <... close resumed>) = 0 [pid 7501] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7492] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7492] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7492] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7492] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7492] exit_group(0) = ? [pid 7492] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7492, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [ 264.492408][ T7501] loop2: detected capacity change from 0 to 8192 [pid 5072] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7500] <... write resumed>) = 4194304 [pid 7499] <... write resumed>) = 4194304 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7500] munmap(0x7f8a1b2e3000, 4194304 [pid 7499] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7500] <... munmap resumed>) = 0 [pid 7499] <... munmap resumed>) = 0 [pid 7500] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7499] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] <... openat resumed>) = 3 [pid 7500] <... openat resumed>) = 4 [pid 7499] <... openat resumed>) = 4 [pid 5072] fstat(3, [pid 7500] ioctl(4, LOOP_SET_FD, 3 [pid 7499] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./200/binderfs", [pid 7503] 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"..., 4194304 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7499] <... ioctl resumed>) = 0 [pid 7500] <... ioctl resumed>) = 0 [pid 7499] close(3 [pid 5072] unlink("./200/binderfs" [pid 7500] close(3 [pid 7499] <... close resumed>) = 0 [pid 7500] <... close resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 7499] mkdir("./file0", 0777 [pid 7500] mkdir("./file0", 0777 [pid 5072] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7499] <... mkdir resumed>) = 0 [pid 7500] <... mkdir resumed>) = 0 [pid 7500] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 264.548527][ T7501] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.573091][ T7500] loop4: detected capacity change from 0 to 8192 [ 264.580281][ T7499] loop5: detected capacity change from 0 to 8192 [pid 7499] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7502] <... write resumed>) = 4194304 [pid 7502] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7502] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7502] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7502] close(3) = 0 [pid 7502] mkdir("./file0", 0777) = 0 [ 264.614370][ T7501] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 264.627638][ T7499] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.634753][ T7502] loop1: detected capacity change from 0 to 8192 [ 264.641522][ T7500] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.653851][ T7501] REISERFS (device loop2): using ordered data mode [ 264.667030][ T7501] reiserfs: using flush barriers [ 264.678781][ T7501] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.700679][ T7502] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7502] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7503] <... write resumed>) = 4194304 [pid 7503] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7503] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7503] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5072] <... umount2 resumed>) = 0 [ 264.702091][ T7499] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 264.715720][ T7502] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 264.723454][ T7499] REISERFS (device loop5): using ordered data mode [ 264.749401][ T7503] loop0: detected capacity change from 0 to 8192 [ 264.758052][ T7499] reiserfs: using flush barriers [ 264.762998][ T7500] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 264.764612][ T7501] REISERFS (device loop2): checking transaction log (loop2) [ 264.772451][ T7499] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.780138][ T7502] REISERFS (device loop1): using ordered data mode [ 264.802505][ T7502] reiserfs: using flush barriers [ 264.803909][ T7501] REISERFS (device loop2): Using r5 hash to sort names [pid 7503] close(3 [pid 5072] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7503] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7503] mkdir("./file0", 0777 [pid 5072] lstat("./200/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7503] <... mkdir resumed>) = 0 [ 264.811474][ T7500] REISERFS (device loop4): using ordered data mode [ 264.815096][ T7502] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.821121][ T7500] reiserfs: using flush barriers [ 264.845373][ T7500] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7503] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7501] <... mount resumed>) = 0 [pid 7501] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7501] chdir("./file0") = 0 [pid 7501] ioctl(4, LOOP_CLR_FD [pid 5072] <... openat resumed>) = 4 [pid 7501] <... ioctl resumed>) = 0 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, [ 264.852709][ T7501] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 264.866651][ T7500] REISERFS (device loop4): checking transaction log (loop4) [ 264.878115][ T7499] REISERFS (device loop5): checking transaction log (loop5) [ 264.883107][ T7502] REISERFS (device loop1): checking transaction log (loop1) [ 264.891709][ T7501] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 264.897820][ T7500] REISERFS (device loop4): Using r5 hash to sort names [pid 7501] close(4) = 0 [pid 7501] mkdir(NULL, 000 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4 [pid 7501] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7501] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7501] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7501] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7501] exit_group(0) = ? [pid 5072] <... close resumed>) = 0 [pid 7501] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7501, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 264.915152][ T7503] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.930247][ T7502] REISERFS (device loop1): Using r5 hash to sort names [ 264.931195][ T7499] REISERFS (device loop5): Using r5 hash to sort names [ 264.937617][ T7503] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5072] rmdir("./200/file0") = 0 [pid 5071] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] close(3 [pid 5071] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5071] fstat(3, [pid 5072] rmdir("./200" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5072] mkdir("./201", 0777 [pid 7502] <... mount resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... openat resumed>) = 3 [pid 5071] lstat("./200/binderfs", [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] unlink("./200/binderfs" [pid 7502] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] close(3 [pid 5071] <... unlink resumed>) = 0 [pid 7502] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5071] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7502] chdir("./file0" [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7499] <... mount resumed>) = 0 [pid 7502] <... chdir resumed>) = 0 [ 264.954906][ T7502] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 264.967203][ T7500] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 264.968089][ T7502] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 264.990682][ T7499] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 265.004043][ T7499] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7502] ioctl(4, LOOP_CLR_FD [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7509 [pid 7502] <... ioctl resumed>) = 0 [pid 7502] close(4) = 0 ./strace-static-x86_64: Process 7509 attached [pid 7502] mkdir(NULL, 000 [pid 7500] <... mount resumed>) = 0 [pid 7499] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7509] chdir("./201" [pid 7500] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7499] <... openat resumed>) = 3 [pid 7509] <... chdir resumed>) = 0 [pid 7500] <... openat resumed>) = 3 [pid 7499] chdir("./file0" [pid 7509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7500] chdir("./file0" [pid 7499] <... chdir resumed>) = 0 [pid 7509] <... prctl resumed>) = 0 [pid 7500] <... chdir resumed>) = 0 [pid 7499] ioctl(4, LOOP_CLR_FD [pid 7509] setpgid(0, 0 [pid 7500] ioctl(4, LOOP_CLR_FD [pid 7499] <... ioctl resumed>) = 0 [pid 7509] <... setpgid resumed>) = 0 [pid 7500] <... ioctl resumed>) = 0 [pid 7499] close(4 [pid 7509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7500] close(4 [pid 7499] <... close resumed>) = 0 [pid 7509] <... openat resumed>) = 3 [pid 7500] <... close resumed>) = 0 [pid 7499] mkdir(NULL, 000 [pid 7509] write(3, "1000", 4 [pid 7500] mkdir(NULL, 000 [pid 7499] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7509] <... write resumed>) = 4 [pid 7500] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7499] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7509] close(3 [pid 7500] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7499] <... openat resumed>) = 4 [pid 7509] <... close resumed>) = 0 [pid 7500] <... openat resumed>) = 4 [pid 7499] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7509] symlink("/dev/binderfs", "./binderfs" [pid 7500] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7499] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7509] <... symlink resumed>) = 0 [pid 7500] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7499] mount(NULL, "./bus", NULL, 0, NULL [pid 7509] memfd_create("syzkaller", 0 [pid 7500] mount(NULL, "./bus", NULL, 0, NULL [pid 7499] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7509] <... memfd_create resumed>) = 3 [pid 7500] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7499] exit_group(0 [pid 7509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7500] exit_group(0 [pid 7499] <... exit_group resumed>) = ? [pid 7509] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7500] <... exit_group resumed>) = ? [pid 7499] +++ exited with 0 +++ [pid 7502] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7500] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7499, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7502] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7500, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7502] <... openat resumed>) = 4 [pid 7502] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7502] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7502] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... openat resumed>) = 3 [pid 5074] <... openat resumed>) = 3 [pid 5073] fstat(3, [pid 5074] fstat(3, [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, [pid 5074] getdents64(3, [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./203/binderfs", [pid 7502] exit_group(0 [pid 5074] lstat("./204/binderfs", [pid 7502] <... exit_group resumed>) = ? [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./203/binderfs" [pid 5074] unlink("./204/binderfs" [pid 5073] <... unlink resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 5073] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7502] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7502, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5070] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./199/binderfs") = 0 [ 265.014440][ T7503] REISERFS (device loop0): using ordered data mode [ 265.021741][ T7503] reiserfs: using flush barriers [ 265.027943][ T7500] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 265.030328][ T7503] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5070] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7509] 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"..., 4194304) = 4194304 [pid 7509] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7509] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7509] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7509] close(3) = 0 [pid 7509] mkdir("./file0", 0777) = 0 [pid 7509] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] <... umount2 resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5074] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./204/file0", [pid 5073] lstat("./203/file0", [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... openat resumed>) = 4 [pid 5073] <... openat resumed>) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] fstat(4, [pid 5074] getdents64(4, [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, [pid 5074] getdents64(4, [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4 [pid 5073] getdents64(4, [pid 5074] <... close resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4 [pid 5074] rmdir("./204/file0" [pid 5073] <... close resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5073] rmdir("./203/file0" [pid 5074] getdents64(3, [pid 5073] <... rmdir resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] getdents64(3, [pid 5074] close(3 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... close resumed>) = 0 [pid 5073] close(3 [pid 5074] rmdir("./204" [pid 5073] <... close resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5074] mkdir("./205", 0777 [pid 5073] rmdir("./203") = 0 [pid 5073] mkdir("./204", 0777 [pid 5074] <... mkdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... mkdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5074] <... openat resumed>) = 3 [pid 5071] lstat("./200/file0", [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] close(3 [ 265.147247][ T7509] loop3: detected capacity change from 0 to 8192 [ 265.154809][ T7503] REISERFS (device loop0): checking transaction log (loop0) [ 265.170821][ T7509] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5074] close(3 [pid 5073] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5071] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./200/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./200"./strace-static-x86_64: Process 7512 attached [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7512 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7511 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] mkdir("./201", 0777 [pid 7512] chdir("./205" [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7513 [pid 7512] <... chdir resumed>) = 0 [pid 5070] lstat("./199/file0", ./strace-static-x86_64: Process 7511 attached [pid 7511] chdir("./204") = 0 [pid 7511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7511] setpgid(0, 0) = 0 [pid 7511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7513 attached [pid 7513] chdir("./201" [pid 7511] write(3, "1000", 4) = 4 [pid 7513] <... chdir resumed>) = 0 [pid 7511] close(3) = 0 [pid 7513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7511] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7513] <... prctl resumed>) = 0 [pid 7513] setpgid(0, 0) = 0 [pid 7513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7512] <... prctl resumed>) = 0 [pid 5070] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7512] setpgid(0, 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7512] <... setpgid resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 265.206814][ T7503] REISERFS (device loop0): Using r5 hash to sort names [ 265.217736][ T7503] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 265.226438][ T7509] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 265.233129][ T7503] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7511] memfd_create("syzkaller", 0 [pid 7513] <... openat resumed>) = 3 [pid 7512] <... openat resumed>) = 3 [pid 7511] <... memfd_create resumed>) = 3 [pid 7503] <... mount resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 7513] write(3, "1000", 4 [pid 7511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7513] <... write resumed>) = 4 [pid 7511] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7513] close(3 [pid 7512] write(3, "1000", 4 [pid 7503] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] fstat(4, [pid 7513] <... close resumed>) = 0 [pid 7513] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7513] memfd_create("syzkaller", 0) = 3 [pid 7513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7512] <... write resumed>) = 4 [pid 7503] <... openat resumed>) = 3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7512] close(3 [pid 5070] getdents64(4, [pid 7512] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7512] symlink("/dev/binderfs", "./binderfs" [pid 7503] chdir("./file0" [pid 7512] <... symlink resumed>) = 0 [pid 7503] <... chdir resumed>) = 0 [pid 5070] getdents64(4, [pid 7512] memfd_create("syzkaller", 0 [pid 7503] ioctl(4, LOOP_CLR_FD [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7512] <... memfd_create resumed>) = 3 [pid 7503] <... ioctl resumed>) = 0 [pid 5070] close(4 [pid 7512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7503] close(4 [pid 5070] <... close resumed>) = 0 [pid 7512] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7503] <... close resumed>) = 0 [pid 5070] rmdir("./199/file0" [pid 7503] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 5070] <... rmdir resumed>) = 0 [pid 7503] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] getdents64(3, [pid 7503] <... openat resumed>) = 4 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7503] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] close(3) = 0 [pid 7503] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7503] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] rmdir("./199" [pid 7503] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... rmdir resumed>) = 0 [pid 7503] exit_group(0 [pid 5070] mkdir("./200", 0777 [pid 7503] <... exit_group resumed>) = ? [pid 5070] <... mkdir resumed>) = 0 [pid 7503] +++ exited with 0 +++ [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7503, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [ 265.255960][ T7509] REISERFS (device loop3): using ordered data mode [ 265.263022][ T7509] reiserfs: using flush barriers [ 265.270235][ T7509] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.296978][ T7509] REISERFS (device loop3): checking transaction log (loop3) [pid 7512] 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"..., 4194304 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 5069] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7514 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./196/binderfs", [pid 7511] 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"..., 4194304 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./196/binderfs"./strace-static-x86_64: Process 7514 attached ) = 0 [pid 5069] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7514] chdir("./200") = 0 [pid 7514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7514] setpgid(0, 0) = 0 [pid 7514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7514] write(3, "1000", 4) = 4 [pid 7514] close(3) = 0 [pid 7514] symlink("/dev/binderfs", "./binderfs" [pid 7513] 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"..., 4194304 [pid 7514] <... symlink resumed>) = 0 [ 265.330546][ T7509] REISERFS (device loop3): Using r5 hash to sort names [ 265.347365][ T7509] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7514] memfd_create("syzkaller", 0) = 3 [pid 7514] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7512] <... write resumed>) = 4194304 [pid 7509] <... mount resumed>) = 0 [pid 7512] munmap(0x7f8a1b2e3000, 4194304 [pid 7509] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7512] <... munmap resumed>) = 0 [pid 7509] <... openat resumed>) = 3 [pid 7509] chdir("./file0" [pid 7512] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7509] <... chdir resumed>) = 0 [pid 7509] ioctl(4, LOOP_CLR_FD [pid 7512] <... openat resumed>) = 4 [pid 7509] <... ioctl resumed>) = 0 [ 265.396569][ T7509] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7512] ioctl(4, LOOP_SET_FD, 3 [pid 7509] close(4 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./196/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./196/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./196" [pid 7509] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 7512] <... ioctl resumed>) = 0 [pid 7509] mkdir(NULL, 000 [pid 5069] mkdir("./197", 0777 [pid 7509] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7509] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7512] close(3 [pid 7509] <... openat resumed>) = 4 [pid 5069] <... mkdir resumed>) = 0 [pid 7512] <... close resumed>) = 0 [pid 7509] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7513] <... write resumed>) = 4194304 [pid 7512] mkdir("./file0", 0777 [pid 7509] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 265.439598][ T7512] loop5: detected capacity change from 0 to 8192 [pid 7513] munmap(0x7f8a1b2e3000, 4194304 [pid 7512] <... mkdir resumed>) = 0 [pid 7509] mount(NULL, "./bus", NULL, 0, NULL [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7513] <... munmap resumed>) = 0 [pid 7512] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7509] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7515 ./strace-static-x86_64: Process 7515 attached [pid 7509] exit_group(0 [pid 7515] chdir("./197") = 0 [pid 7509] <... exit_group resumed>) = ? [pid 7513] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7513] <... openat resumed>) = 4 [pid 7513] ioctl(4, LOOP_SET_FD, 3 [pid 7515] setpgid(0, 0 [pid 7513] <... ioctl resumed>) = 0 [pid 7509] +++ exited with 0 +++ [pid 7515] <... setpgid resumed>) = 0 [pid 7515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7509, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 7515] <... openat resumed>) = 3 [pid 7515] write(3, "1000", 4) = 4 [pid 7515] close(3) = 0 [pid 7515] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7515] memfd_create("syzkaller", 0) = 3 [pid 7513] close(3 [pid 7515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7513] <... close resumed>) = 0 [pid 7515] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7513] mkdir("./file0", 0777) = 0 [pid 7513] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, [pid 7511] <... write resumed>) = 4194304 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 265.507104][ T7513] loop2: detected capacity change from 0 to 8192 [ 265.515395][ T7512] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7511] munmap(0x7f8a1b2e3000, 4194304 [ 265.548380][ T7512] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 265.548830][ T7513] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.558689][ T7512] REISERFS (device loop5): using ordered data mode [ 265.577694][ T7512] reiserfs: using flush barriers [pid 5072] lstat("./201/binderfs", [pid 7514] 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"..., 4194304 [pid 7511] <... munmap resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7511] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] unlink("./201/binderfs") = 0 [pid 7511] <... openat resumed>) = 4 [pid 7511] ioctl(4, LOOP_SET_FD, 3 [ 265.584321][ T7512] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.613552][ T7511] loop4: detected capacity change from 0 to 8192 [pid 5072] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7511] <... ioctl resumed>) = 0 [pid 7511] close(3) = 0 [pid 7511] mkdir("./file0", 0777) = 0 [pid 7511] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7514] <... write resumed>) = 4194304 [pid 7514] munmap(0x7f8a1b2e3000, 4194304 [pid 7515] 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"..., 4194304 [pid 7514] <... munmap resumed>) = 0 [pid 7514] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 265.656389][ T7513] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 265.657568][ T7512] REISERFS (device loop5): checking transaction log (loop5) [ 265.665782][ T7513] REISERFS (device loop2): using ordered data mode [ 265.680288][ T7513] reiserfs: using flush barriers [ 265.688940][ T7513] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.710623][ T7512] REISERFS (device loop5): Using r5 hash to sort names [ 265.714997][ T7513] REISERFS (device loop2): checking transaction log (loop2) [ 265.724824][ T7511] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.725516][ T7514] loop1: detected capacity change from 0 to 8192 [pid 7514] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 265.762554][ T7511] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 265.764190][ T7512] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 265.772605][ T7511] REISERFS (device loop4): using ordered data mode [ 265.792208][ T7511] reiserfs: using flush barriers [pid 7514] <... ioctl resumed>) = 0 [pid 5072] lstat("./201/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7514] close(3) = 0 [pid 7512] <... mount resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7514] mkdir("./file0", 0777 [pid 7512] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7514] <... mkdir resumed>) = 0 [pid 7512] <... openat resumed>) = 3 [pid 7514] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] <... openat resumed>) = 4 [pid 7512] chdir("./file0" [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7512] <... chdir resumed>) = 0 [pid 7512] ioctl(4, LOOP_CLR_FD [pid 5072] getdents64(4, [pid 7512] <... ioctl resumed>) = 0 [pid 7512] close(4 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7515] <... write resumed>) = 4194304 [pid 7512] <... close resumed>) = 0 [pid 5072] getdents64(4, [pid 7512] mkdir(NULL, 000 [pid 7515] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4 [pid 7512] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7512] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] <... close resumed>) = 0 [pid 7512] <... openat resumed>) = 4 [pid 5072] rmdir("./201/file0" [pid 7512] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] <... rmdir resumed>) = 0 [ 265.798984][ T7511] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.816588][ T7512] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 265.820269][ T7513] REISERFS (device loop2): Using r5 hash to sort names [pid 7515] <... munmap resumed>) = 0 [pid 7512] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(3, [ 265.852072][ T7513] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 265.857154][ T7511] REISERFS (device loop4): checking transaction log (loop4) [ 265.865582][ T7513] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 265.882470][ T7514] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.896385][ T7511] REISERFS (device loop4): Using r5 hash to sort names [pid 7515] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7513] <... mount resumed>) = 0 [pid 7512] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7515] <... openat resumed>) = 4 [pid 7513] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7512] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] close(3 [pid 7515] ioctl(4, LOOP_SET_FD, 3 [pid 7513] <... openat resumed>) = 3 [pid 7512] exit_group(0 [pid 5072] <... close resumed>) = 0 [pid 7513] chdir("./file0" [pid 7512] <... exit_group resumed>) = ? [pid 7511] <... mount resumed>) = 0 [pid 5072] rmdir("./201" [pid 7513] <... chdir resumed>) = 0 [pid 7512] +++ exited with 0 +++ [pid 5072] <... rmdir resumed>) = 0 [pid 7513] ioctl(4, LOOP_CLR_FD [pid 5072] mkdir("./202", 0777 [pid 7513] <... ioctl resumed>) = 0 [pid 7511] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... mkdir resumed>) = 0 [pid 7513] close(4 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7515] <... ioctl resumed>) = 0 [pid 7513] <... close resumed>) = 0 [pid 7511] <... openat resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7512, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7513] mkdir(NULL, 000 [pid 7511] chdir("./file0" [pid 5072] <... openat resumed>) = 3 [pid 7513] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7511] <... chdir resumed>) = 0 [ 265.903475][ T7511] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 265.904688][ T7514] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 265.916485][ T7511] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 265.930054][ T7515] loop0: detected capacity change from 0 to 8192 [ 265.935101][ T7514] REISERFS (device loop1): using ordered data mode [ 265.947660][ T7514] reiserfs: using flush barriers [pid 7511] ioctl(4, LOOP_CLR_FD [pid 5074] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7513] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7511] <... ioctl resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] ioctl(3, LOOP_CLR_FD [pid 7513] <... openat resumed>) = 4 [pid 7511] close(4 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7513] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] close(3 [pid 7513] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... close resumed>) = 0 [pid 7513] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7515] close(3 [pid 7513] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7515] <... close resumed>) = 0 [pid 7513] exit_group(0 [pid 7511] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7520 [pid 7515] mkdir("./file0", 0777 [pid 7513] <... exit_group resumed>) = ? [pid 7515] <... mkdir resumed>) = 0 [pid 7513] +++ exited with 0 +++ [pid 7515] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7513, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- ./strace-static-x86_64: Process 7520 attached [pid 7511] mkdir(NULL, 000 [pid 5074] <... openat resumed>) = 3 [pid 7511] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] fstat(3, [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 7511] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7511] <... openat resumed>) = 4 [pid 5074] getdents64(3, [pid 5071] <... restart_syscall resumed>) = 0 [pid 7511] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7511] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7511] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7511] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 265.956341][ T7514] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.973511][ T7514] REISERFS (device loop1): checking transaction log (loop1) [ 265.995650][ T7514] REISERFS (device loop1): Using r5 hash to sort names [pid 5074] lstat("./205/binderfs", [pid 7520] chdir("./202" [pid 7511] exit_group(0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7520] <... chdir resumed>) = 0 [pid 7511] <... exit_group resumed>) = ? [pid 5074] unlink("./205/binderfs" [pid 7520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7511] +++ exited with 0 +++ [pid 5074] <... unlink resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7520] <... prctl resumed>) = 0 [pid 5074] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7520] setpgid(0, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7511, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5071] <... openat resumed>) = 3 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5071] fstat(3, [pid 5073] <... restart_syscall resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7520] <... setpgid resumed>) = 0 [pid 7520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7520] write(3, "1000", 4) = 4 [pid 5073] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, [pid 7520] close(3) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7520] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7520] <... symlink resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7520] memfd_create("syzkaller", 0 [pid 5071] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7520] <... memfd_create resumed>) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] fstat(3, [pid 5071] lstat("./201/binderfs", [pid 7520] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] getdents64(3, [pid 5071] unlink("./201/binderfs" [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... unlink resumed>) = 0 [pid 5073] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./204/binderfs", [pid 7520] 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"..., 4194304 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./204/binderfs") = 0 [ 266.022914][ T7515] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5073] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7520] <... write resumed>) = 4194304 [pid 7520] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7520] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7520] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7520] close(3) = 0 [pid 7520] mkdir("./file0", 0777) = 0 [pid 7520] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7514] <... mount resumed>) = 0 [pid 7514] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7514] chdir("./file0") = 0 [pid 7514] ioctl(4, LOOP_CLR_FD) = 0 [pid 7514] close(4) = 0 [pid 7514] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7514] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7514] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7514] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7514] exit_group(0) = ? [pid 5073] <... umount2 resumed>) = 0 [pid 7514] +++ exited with 0 +++ [ 266.087157][ T7520] loop3: detected capacity change from 0 to 8192 [ 266.097360][ T7514] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 266.110915][ T7514] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7514, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5070] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] lstat("./204/file0", [pid 5070] unlink("./200/binderfs") = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./204/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./204") = 0 [ 266.142172][ T7520] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.160574][ T7520] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5073] mkdir("./205", 0777) = 0 [ 266.187335][ T7520] REISERFS (device loop3): using ordered data mode [ 266.190782][ T7515] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 266.195208][ T7520] reiserfs: using flush barriers [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7523 attached [pid 5071] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7523 [pid 7523] chdir("./205" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7523] <... chdir resumed>) = 0 [pid 5071] lstat("./201/file0", [pid 7523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 266.231855][ T7520] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.258751][ T7515] REISERFS (device loop0): using ordered data mode [ 266.266147][ T7515] reiserfs: using flush barriers [pid 7523] setpgid(0, 0 [pid 5071] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 7523] <... setpgid resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7523] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 4 [ 266.280700][ T7515] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.297156][ T7520] REISERFS (device loop3): checking transaction log (loop3) [ 266.307456][ T7520] REISERFS (device loop3): Using r5 hash to sort names [ 266.313099][ T7515] REISERFS (device loop0): checking transaction log (loop0) [ 266.314607][ T7520] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 266.335874][ T7515] REISERFS (device loop0): Using r5 hash to sort names [pid 5070] lstat("./200/file0", [pid 7523] write(3, "1000", 4 [pid 5074] lstat("./205/file0", [pid 5071] fstat(4, [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7523] <... write resumed>) = 4 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7523] close(3 [pid 5074] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7523] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7523] symlink("/dev/binderfs", "./binderfs" [pid 5074] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(4, [pid 7523] <... symlink resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5074] <... openat resumed>) = 4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7523] memfd_create("syzkaller", 0 [pid 5074] fstat(4, [pid 5071] close(4 [pid 5070] fstat(4, [pid 7523] <... memfd_create resumed>) = 3 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] getdents64(4, [pid 5071] rmdir("./201/file0" [pid 5070] getdents64(4, [pid 7523] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(3, [pid 5070] getdents64(4, [pid 5074] close(4 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... close resumed>) = 0 [pid 5071] close(3 [pid 5070] close(4 [pid 5074] rmdir("./205/file0" [pid 5071] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5071] rmdir("./201" [pid 5070] rmdir("./200/file0" [pid 5074] getdents64(3, [pid 5071] <... rmdir resumed>) = 0 [pid 7515] <... mount resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] mkdir("./202", 0777 [pid 5070] <... rmdir resumed>) = 0 [pid 5074] close(3 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5074] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] rmdir("./205" [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] close(3 [pid 5074] <... rmdir resumed>) = 0 [pid 5074] mkdir("./206", 0777 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 7515] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... mkdir resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] rmdir("./200" [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... rmdir resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5071] close(3 [pid 5070] mkdir("./201", 0777 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5071] <... close resumed>) = 0 [pid 7515] <... openat resumed>) = 3 [pid 7515] chdir("./file0" [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... mkdir resumed>) = 0 [pid 5074] close(3 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5074] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7524 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7515] <... chdir resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7525 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 7515] ioctl(4, LOOP_CLR_FD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7515] <... ioctl resumed>) = 0 [pid 7515] close(4) = 0 [pid 7515] mkdir(NULL, 000 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7526 [pid 7515] <... mkdir resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 7525 attached [pid 7515] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 7526 attached [pid 7525] chdir("./206" [pid 7515] <... openat resumed>) = 4 [ 266.348326][ T7515] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 266.375010][ T7515] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. ./strace-static-x86_64: Process 7524 attached [pid 7525] <... chdir resumed>) = 0 [pid 7515] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7526] chdir("./201" [pid 7525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7524] chdir("./202" [pid 7515] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7526] <... chdir resumed>) = 0 [pid 7525] <... prctl resumed>) = 0 [pid 7524] <... chdir resumed>) = 0 [pid 7515] mount(NULL, "./bus", NULL, 0, NULL [pid 7526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7525] setpgid(0, 0 [pid 7524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7515] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7526] <... prctl resumed>) = 0 [pid 7525] <... setpgid resumed>) = 0 [pid 7524] <... prctl resumed>) = 0 [pid 7515] exit_group(0 [pid 7526] setpgid(0, 0 [pid 7525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7524] setpgid(0, 0 [pid 7515] <... exit_group resumed>) = ? [pid 7526] <... setpgid resumed>) = 0 [pid 7525] <... openat resumed>) = 3 [pid 7524] <... setpgid resumed>) = 0 [pid 7515] +++ exited with 0 +++ [pid 7526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7525] write(3, "1000", 4 [pid 7524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7515, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 7526] <... openat resumed>) = 3 [pid 7525] <... write resumed>) = 4 [pid 7524] <... openat resumed>) = 3 [pid 7526] write(3, "1000", 4 [pid 7525] close(3 [pid 7524] write(3, "1000", 4 [pid 7526] <... write resumed>) = 4 [pid 7525] <... close resumed>) = 0 [pid 7524] <... write resumed>) = 4 [pid 5069] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7526] close(3 [pid 7525] symlink("/dev/binderfs", "./binderfs" [pid 7524] close(3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7526] <... close resumed>) = 0 [pid 7525] <... symlink resumed>) = 0 [pid 7524] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7526] symlink("/dev/binderfs", "./binderfs" [pid 7525] memfd_create("syzkaller", 0 [pid 7524] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... openat resumed>) = 3 [pid 7526] <... symlink resumed>) = 0 [pid 7525] <... memfd_create resumed>) = 3 [pid 7524] <... symlink resumed>) = 0 [pid 5069] fstat(3, [pid 7526] memfd_create("syzkaller", 0 [pid 7525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7524] memfd_create("syzkaller", 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7526] <... memfd_create resumed>) = 3 [pid 7525] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7524] <... memfd_create resumed>) = 3 [pid 5069] getdents64(3, [pid 7526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7523] 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"..., 4194304 [pid 7520] <... mount resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7526] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7524] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7520] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7520] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7520] chdir("./file0" [pid 5069] lstat("./197/binderfs", [pid 7520] <... chdir resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7520] ioctl(4, LOOP_CLR_FD [pid 5069] unlink("./197/binderfs" [pid 7520] <... ioctl resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 7520] close(4 [pid 5069] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7520] <... close resumed>) = 0 [pid 7520] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7520] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7520] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [ 266.409806][ T7520] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7520] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7520] exit_group(0) = ? [pid 7520] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7520, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5072] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./202/binderfs") = 0 [pid 5072] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7525] 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"..., 4194304 [pid 7524] 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"..., 4194304 [pid 5069] <... umount2 resumed>) = 0 [pid 7526] 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"..., 4194304 [pid 5069] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./197/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./197/file0") = 0 [pid 5069] getdents64(3, [pid 7523] <... write resumed>) = 4194304 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./197") = 0 [pid 5069] mkdir("./198", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... umount2 resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7527 [pid 7523] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./202/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7527 attached [pid 7523] <... munmap resumed>) = 0 [pid 5072] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7527] chdir("./198" [pid 7523] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7527] <... chdir resumed>) = 0 [pid 7523] <... openat resumed>) = 4 [pid 5072] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7523] ioctl(4, LOOP_SET_FD, 3 [pid 7527] <... prctl resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 7527] setpgid(0, 0 [pid 5072] fstat(4, [pid 7527] <... setpgid resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] getdents64(4, [pid 7527] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7527] write(3, "1000", 4 [pid 5072] getdents64(4, [pid 7527] <... write resumed>) = 4 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7527] close(3 [pid 5072] close(4 [pid 7527] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 7527] symlink("/dev/binderfs", "./binderfs" [pid 7525] <... write resumed>) = 4194304 [pid 5072] rmdir("./202/file0" [pid 7527] <... symlink resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 7527] memfd_create("syzkaller", 0 [pid 7523] <... ioctl resumed>) = 0 [pid 5072] getdents64(3, [pid 7527] <... memfd_create resumed>) = 3 [pid 7523] close(3 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7523] <... close resumed>) = 0 [pid 5072] close(3 [pid 7527] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7523] mkdir("./file0", 0777 [pid 5072] <... close resumed>) = 0 [pid 7525] munmap(0x7f8a1b2e3000, 4194304 [pid 7524] <... write resumed>) = 4194304 [pid 5072] rmdir("./202" [pid 7525] <... munmap resumed>) = 0 [pid 7523] <... mkdir resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 7525] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7523] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] mkdir("./203", 0777 [pid 7525] <... openat resumed>) = 4 [ 266.665405][ T7523] loop4: detected capacity change from 0 to 8192 [pid 5072] <... mkdir resumed>) = 0 [pid 7525] ioctl(4, LOOP_SET_FD, 3 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7526] <... write resumed>) = 4194304 [pid 7524] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] <... openat resumed>) = 3 [pid 7526] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 7524] <... munmap resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7526] <... munmap resumed>) = 0 [pid 7524] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5072] close(3 [pid 7526] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7524] <... openat resumed>) = 4 [pid 5072] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7529 ./strace-static-x86_64: Process 7529 attached [pid 7529] chdir("./203") = 0 [pid 7529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7529] setpgid(0, 0) = 0 [pid 7529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7526] <... openat resumed>) = 4 [pid 7524] ioctl(4, LOOP_SET_FD, 3 [pid 7529] write(3, "1000", 4 [pid 7525] <... ioctl resumed>) = 0 [pid 7529] <... write resumed>) = 4 [pid 7525] close(3 [pid 7529] close(3 [pid 7525] <... close resumed>) = 0 [pid 7529] <... close resumed>) = 0 [pid 7525] mkdir("./file0", 0777 [pid 7529] symlink("/dev/binderfs", "./binderfs" [pid 7525] <... mkdir resumed>) = 0 [pid 7529] <... symlink resumed>) = 0 [pid 7525] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7529] memfd_create("syzkaller", 0) = 3 [pid 7529] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7526] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7526] close(3) = 0 [pid 7524] <... ioctl resumed>) = 0 [pid 7526] mkdir("./file0", 0777 [pid 7524] close(3) = 0 [pid 7524] mkdir("./file0", 0777 [pid 7526] <... mkdir resumed>) = 0 [pid 7526] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7524] <... mkdir resumed>) = 0 [ 266.714049][ T7525] loop5: detected capacity change from 0 to 8192 [ 266.736998][ T7523] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.750889][ T7524] loop2: detected capacity change from 0 to 8192 [ 266.757761][ T7526] loop1: detected capacity change from 0 to 8192 [pid 7527] 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"..., 4194304 [ 266.777807][ T7525] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.782387][ T7523] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 266.791541][ T7526] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.800405][ T7523] REISERFS (device loop4): using ordered data mode [ 266.819719][ T7523] reiserfs: using flush barriers [pid 7524] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 266.839090][ T7523] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.843523][ T7525] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 266.872626][ T7523] REISERFS (device loop4): reiserfs filesystem is deprecated [pid 7529] 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"..., 4194304 [pid 7527] <... write resumed>) = 4194304 [ 266.872636][ T7524] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.872654][ T7524] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 266.872724][ T7524] REISERFS (device loop2): using ordered data mode [ 266.883034][ T7526] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 266.897881][ T7523] REISERFS (device loop4): Using r5 hash to sort names [ 266.902956][ T7526] REISERFS (device loop1): using ordered data mode [ 266.926101][ T7524] reiserfs: using flush barriers [pid 7527] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7527] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7527] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7527] close(3) = 0 [pid 7527] mkdir("./file0", 0777) = 0 [ 266.932604][ T7526] reiserfs: using flush barriers [ 266.943640][ T7527] loop0: detected capacity change from 0 to 8192 [ 266.951081][ T7526] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.971135][ T7523] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 266.972189][ T7526] REISERFS (device loop1): checking transaction log (loop1) [ 266.992870][ T7525] REISERFS (device loop5): using ordered data mode [ 266.994211][ T7526] REISERFS (device loop1): Using r5 hash to sort names [ 267.007991][ T7527] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 267.008277][ T7525] reiserfs: using flush barriers [pid 7527] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7529] <... write resumed>) = 4194304 [pid 7523] <... mount resumed>) = 0 [pid 7523] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7523] chdir("./file0") = 0 [pid 7523] ioctl(4, LOOP_CLR_FD) = 0 [pid 7523] close(4) = 0 [pid 7523] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7523] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7523] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7523] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7523] exit_group(0) = ? [pid 7523] +++ exited with 0 +++ [ 267.027230][ T7524] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.027403][ T7523] REISERFS (device loop4): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.048371][ T7526] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 267.070931][ T7525] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7529] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7523, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 7529] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 267.084662][ T7527] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 267.090929][ T7525] REISERFS (device loop5): checking transaction log (loop5) [ 267.099226][ T7524] REISERFS (device loop2): checking transaction log (loop2) [ 267.107030][ T7525] REISERFS (device loop5): Using r5 hash to sort names [ 267.112998][ T7527] REISERFS (device loop0): using ordered data mode [ 267.121179][ T7524] REISERFS (device loop2): Using r5 hash to sort names [ 267.126656][ T7527] reiserfs: using flush barriers [pid 7529] ioctl(4, LOOP_SET_FD, 3 [pid 5073] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7529] <... ioctl resumed>) = 0 [pid 7526] <... mount resumed>) = 0 [ 267.133976][ T7525] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 267.138100][ T7526] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 267.160503][ T7529] loop3: detected capacity change from 0 to 8192 [ 267.169527][ T7524] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] fstat(3, [pid 7529] close(3 [pid 7526] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7526] <... openat resumed>) = 3 [pid 5073] getdents64(3, [pid 7526] chdir("./file0") = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7526] ioctl(4, LOOP_CLR_FD [pid 5073] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7526] <... ioctl resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./205/binderfs", [pid 7526] close(4 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7526] <... close resumed>) = 0 [pid 7529] <... close resumed>) = 0 [pid 7529] mkdir("./file0", 0777) = 0 [pid 7529] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7526] mkdir(NULL, 000 [ 267.171008][ T7525] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 267.191592][ T7527] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.211694][ T7527] REISERFS (device loop0): checking transaction log (loop0) [ 267.220882][ T7524] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] unlink("./205/binderfs" [pid 7526] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7524] <... mount resumed>) = 0 [pid 5073] <... unlink resumed>) = 0 [pid 7526] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7525] <... mount resumed>) = 0 [pid 7524] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7526] <... openat resumed>) = 4 [pid 7524] <... openat resumed>) = 3 [pid 7526] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7525] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7524] chdir("./file0" [pid 7526] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7525] <... openat resumed>) = 3 [pid 7524] <... chdir resumed>) = 0 [pid 7526] mount(NULL, "./bus", NULL, 0, NULL [pid 7525] chdir("./file0" [pid 7524] ioctl(4, LOOP_CLR_FD [pid 7526] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7525] <... chdir resumed>) = 0 [pid 7524] <... ioctl resumed>) = 0 [pid 7526] exit_group(0 [ 267.222299][ T7529] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 267.246937][ T7527] REISERFS (device loop0): Using r5 hash to sort names [ 267.253171][ T7529] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 267.264976][ T7529] REISERFS (device loop3): using ordered data mode [ 267.272160][ T7529] reiserfs: using flush barriers [pid 7525] ioctl(4, LOOP_CLR_FD [pid 7524] close(4 [pid 7527] <... mount resumed>) = 0 [pid 7526] <... exit_group resumed>) = ? [pid 7525] <... ioctl resumed>) = 0 [pid 7524] <... close resumed>) = 0 [pid 7527] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7526] +++ exited with 0 +++ [pid 7525] close(4 [pid 7524] mkdir(NULL, 000 [pid 7527] <... openat resumed>) = 3 [pid 7525] <... close resumed>) = 0 [pid 7524] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7524] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7527] chdir("./file0" [pid 7525] mkdir(NULL, 000 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7526, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 7527] <... chdir resumed>) = 0 [pid 7525] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7524] <... openat resumed>) = 4 [pid 5070] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7527] ioctl(4, LOOP_CLR_FD [pid 7525] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7527] <... ioctl resumed>) = 0 [pid 7524] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7527] close(4 [pid 7525] <... openat resumed>) = 4 [pid 7524] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [ 267.278338][ T7529] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.294973][ T7527] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 267.308101][ T7527] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 267.319880][ T7529] REISERFS (device loop3): checking transaction log (loop3) [pid 5070] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7527] <... close resumed>) = 0 [pid 7525] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7524] mount(NULL, "./bus", NULL, 0, NULL [pid 7527] mkdir(NULL, 000 [pid 7525] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7524] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... openat resumed>) = 3 [pid 7525] mount(NULL, "./bus", NULL, 0, NULL [pid 7527] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7525] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7527] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7524] exit_group(0 [pid 7527] <... openat resumed>) = 4 [pid 7525] exit_group(0 [pid 5070] fstat(3, [pid 7525] <... exit_group resumed>) = ? [pid 7524] <... exit_group resumed>) = ? [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7525] +++ exited with 0 +++ [pid 5070] getdents64(3, [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7525, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- [pid 7524] +++ exited with 0 +++ [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7527] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7524, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5070] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7527] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7527] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./201/binderfs", [pid 5074] <... openat resumed>) = 3 [pid 7527] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5074] fstat(3, [pid 5070] unlink("./201/binderfs" [pid 7527] exit_group(0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5071] fstat(3, [pid 5074] getdents64(3, [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] getdents64(3, [pid 5070] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7527] <... exit_group resumed>) = ? [pid 5074] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] lstat("./206/binderfs", [pid 5071] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7527] +++ exited with 0 +++ [pid 5071] lstat("./202/binderfs", [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7527, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5074] unlink("./206/binderfs") = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] unlink("./202/binderfs" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... unlink resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5071] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./198/binderfs") = 0 [ 267.334946][ T7529] REISERFS (device loop3): Using r5 hash to sort names [ 267.342996][ T7529] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5069] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./206/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./206/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./206") = 0 [pid 5074] mkdir("./207", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7529] <... mount resumed>) = 0 [ 267.438305][ T7529] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] <... openat resumed>) = 3 [pid 7529] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] <... umount2 resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7529] <... openat resumed>) = 3 [pid 7529] chdir("./file0" [pid 5073] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7535 [pid 7529] <... chdir resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7529] ioctl(4, LOOP_CLR_FD) = 0 [pid 7529] close(4) = 0 [pid 5073] lstat("./205/file0", [pid 7529] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7529] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7529] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7529] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7529] exit_group(0) = ? [pid 7529] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7529, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7535 attached [pid 5073] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] <... openat resumed>) = 4 [pid 5072] fstat(3, [pid 7535] chdir("./207" [pid 5073] fstat(4, [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7535] <... chdir resumed>) = 0 [pid 5072] getdents64(3, [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] getdents64(4, [pid 5072] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] lstat("./203/binderfs", [pid 5073] getdents64(4, [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./203/binderfs" [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] close(4 [pid 5072] <... unlink resumed>) = 0 [pid 7535] <... prctl resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5072] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7535] setpgid(0, 0 [pid 5073] rmdir("./205/file0" [pid 7535] <... setpgid resumed>) = 0 [pid 7535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... rmdir resumed>) = 0 [pid 7535] <... openat resumed>) = 3 [pid 7535] write(3, "1000", 4) = 4 [pid 7535] close(3 [pid 5073] getdents64(3, [pid 7535] <... close resumed>) = 0 [pid 7535] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7535] memfd_create("syzkaller", 0) = 3 [pid 5073] close(3 [pid 7535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... close resumed>) = 0 [pid 7535] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] rmdir("./205" [pid 5071] <... umount2 resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5073] mkdir("./206", 0777 [pid 5070] <... umount2 resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5071] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... openat resumed>) = 3 [pid 5071] lstat("./202/file0", [pid 5070] lstat("./201/file0", [pid 5069] lstat("./198/file0", [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] close(3 [pid 5071] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7536 [pid 5071] <... openat resumed>) = 4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... openat resumed>) = 4 [pid 5071] getdents64(4, [pid 5069] <... openat resumed>) = 4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] fstat(4, [pid 5071] close(4 [pid 5069] fstat(4, [pid 5071] <... close resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] rmdir("./202/file0" [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 5071] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(4, [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] close(3 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5071] <... close resumed>) = 0 [pid 5070] close(4 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = 0 [pid 5071] rmdir("./202" [pid 5070] rmdir("./201/file0" [pid 5069] close(4 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5071] mkdir("./203", 0777 [pid 5069] rmdir("./198/file0" [pid 5070] getdents64(3, [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(3, [pid 5071] <... mkdir resumed>) = 0 [pid 5070] close(3 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] <... close resumed>) = 0 [pid 5069] close(3 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5070] rmdir("./201" [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] <... rmdir resumed>) = 0 [pid 5069] rmdir("./198" [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] mkdir("./202", 0777 [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5071] close(3 [pid 5069] mkdir("./199", 0777 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] <... umount2 resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5072] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./203/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... openat resumed>) = 3 [pid 5069] <... mkdir resumed>) = 0 [pid 5072] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 7536 attached [pid 5072] close(4 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7537 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5072] rmdir("./203/file0" [pid 5070] close(3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7536] chdir("./206" [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 7536] <... chdir resumed>) = 0 [pid 7535] 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"..., 4194304 [pid 5072] getdents64(3, [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 7537 attached [pid 7536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3 [pid 5069] close(3 [pid 5072] <... close resumed>) = 0 [pid 5072] rmdir("./203" [pid 7536] <... prctl resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 7536] setpgid(0, 0 [pid 5072] mkdir("./204", 0777 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7538 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7538 attached [pid 7537] chdir("./203" [pid 7536] <... setpgid resumed>) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 7537] <... chdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... openat resumed>) = 3 [pid 7537] <... prctl resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 7537] setpgid(0, 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7538] chdir("./202" [pid 7537] <... setpgid resumed>) = 0 [pid 5072] close(3 [pid 7538] <... chdir resumed>) = 0 [pid 7537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... close resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7539 [pid 7537] <... openat resumed>) = 3 [pid 7536] <... openat resumed>) = 3 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7537] write(3, "1000", 4 [pid 7536] write(3, "1000", 4./strace-static-x86_64: Process 7539 attached [pid 7538] <... prctl resumed>) = 0 [pid 7537] <... write resumed>) = 4 [pid 7536] <... write resumed>) = 4 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7540 [pid 7539] chdir("./199" [pid 7538] setpgid(0, 0 [pid 7537] close(3 [pid 7536] close(3 [pid 7539] <... chdir resumed>) = 0 [pid 7538] <... setpgid resumed>) = 0 [pid 7537] <... close resumed>) = 0 [pid 7536] <... close resumed>) = 0 [pid 7539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7537] symlink("/dev/binderfs", "./binderfs" [pid 7536] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7540 attached [pid 7539] <... prctl resumed>) = 0 [pid 7538] <... openat resumed>) = 3 [pid 7537] <... symlink resumed>) = 0 [pid 7540] chdir("./204" [pid 7539] setpgid(0, 0 [pid 7538] write(3, "1000", 4 [pid 7537] memfd_create("syzkaller", 0 [pid 7536] <... symlink resumed>) = 0 [pid 7540] <... chdir resumed>) = 0 [pid 7539] <... setpgid resumed>) = 0 [pid 7538] <... write resumed>) = 4 [pid 7537] <... memfd_create resumed>) = 3 [pid 7540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7538] close(3 [pid 7537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7536] memfd_create("syzkaller", 0 [pid 7540] <... prctl resumed>) = 0 [pid 7539] <... openat resumed>) = 3 [pid 7538] <... close resumed>) = 0 [pid 7537] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7536] <... memfd_create resumed>) = 3 [pid 7540] setpgid(0, 0 [pid 7539] write(3, "1000", 4 [pid 7538] symlink("/dev/binderfs", "./binderfs" [pid 7540] <... setpgid resumed>) = 0 [pid 7539] <... write resumed>) = 4 [pid 7536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7539] close(3 [pid 7538] <... symlink resumed>) = 0 [pid 7540] <... openat resumed>) = 3 [pid 7539] <... close resumed>) = 0 [pid 7536] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7540] write(3, "1000", 4 [pid 7539] symlink("/dev/binderfs", "./binderfs" [pid 7538] memfd_create("syzkaller", 0 [pid 7540] <... write resumed>) = 4 [pid 7539] <... symlink resumed>) = 0 [pid 7540] close(3 [pid 7539] memfd_create("syzkaller", 0 [pid 7540] <... close resumed>) = 0 [pid 7539] <... memfd_create resumed>) = 3 [pid 7540] symlink("/dev/binderfs", "./binderfs" [pid 7539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7540] <... symlink resumed>) = 0 [pid 7539] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7540] memfd_create("syzkaller", 0 [pid 7538] <... memfd_create resumed>) = 3 [pid 7540] <... memfd_create resumed>) = 3 [pid 7538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7538] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7540] 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"..., 4194304 [pid 7536] 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"..., 4194304 [pid 7537] 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"..., 4194304 [pid 7539] 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"..., 4194304 [pid 7535] <... write resumed>) = 4194304 [pid 7535] munmap(0x7f8a1b2e3000, 4194304 [pid 7538] 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"..., 4194304 [pid 7535] <... munmap resumed>) = 0 [pid 7535] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7535] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7535] close(3) = 0 [pid 7535] mkdir("./file0", 0777) = 0 [ 267.821274][ T7535] loop5: detected capacity change from 0 to 8192 [pid 7535] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7536] <... write resumed>) = 4194304 [ 267.866968][ T7535] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7539] <... write resumed>) = 4194304 [pid 7536] munmap(0x7f8a1b2e3000, 4194304 [pid 7539] munmap(0x7f8a1b2e3000, 4194304 [pid 7536] <... munmap resumed>) = 0 [pid 7539] <... munmap resumed>) = 0 [pid 7539] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7536] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7539] <... openat resumed>) = 4 [pid 7536] <... openat resumed>) = 4 [pid 7539] ioctl(4, LOOP_SET_FD, 3 [pid 7536] ioctl(4, LOOP_SET_FD, 3 [pid 7537] <... write resumed>) = 4194304 [ 267.912535][ T7535] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 267.925106][ T7535] REISERFS (device loop5): using ordered data mode [ 267.928573][ T7539] loop0: detected capacity change from 0 to 8192 [ 267.938285][ T7535] reiserfs: using flush barriers [ 267.938358][ T7536] loop4: detected capacity change from 0 to 8192 [pid 7537] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7537] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7537] ioctl(4, LOOP_SET_FD, 3 [pid 7538] <... write resumed>) = 4194304 [pid 7539] <... ioctl resumed>) = 0 [pid 7540] <... write resumed>) = 4194304 [pid 7539] close(3) = 0 [pid 7539] mkdir("./file0", 0777) = 0 [pid 7539] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7536] <... ioctl resumed>) = 0 [pid 7540] munmap(0x7f8a1b2e3000, 4194304 [pid 7536] close(3 [pid 7540] <... munmap resumed>) = 0 [pid 7536] <... close resumed>) = 0 [pid 7536] mkdir("./file0", 0777 [pid 7540] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7536] <... mkdir resumed>) = 0 [pid 7540] <... openat resumed>) = 4 [pid 7538] munmap(0x7f8a1b2e3000, 4194304 [pid 7536] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7540] ioctl(4, LOOP_SET_FD, 3 [pid 7538] <... munmap resumed>) = 0 [pid 7537] <... ioctl resumed>) = 0 [pid 7535] <... mount resumed>) = 0 [pid 7537] close(3 [pid 7535] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7537] <... close resumed>) = 0 [pid 7535] <... openat resumed>) = 3 [pid 7537] mkdir("./file0", 0777 [pid 7535] chdir("./file0" [pid 7537] <... mkdir resumed>) = 0 [pid 7535] <... chdir resumed>) = 0 [ 267.944351][ T7535] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.966287][ T7535] REISERFS (device loop5): checking transaction log (loop5) [ 267.974672][ T7535] REISERFS (device loop5): Using r5 hash to sort names [ 267.981394][ T7537] loop2: detected capacity change from 0 to 8192 [ 267.981948][ T7535] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.001186][ T7535] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7537] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7535] ioctl(4, LOOP_CLR_FD) = 0 [pid 7535] close(4) = 0 [pid 7538] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7535] mkdir(NULL, 000 [pid 7540] <... ioctl resumed>) = 0 [pid 7538] <... openat resumed>) = 4 [ 268.015186][ T7540] loop3: detected capacity change from 0 to 8192 [ 268.022509][ T7539] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.038341][ T7537] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.040623][ T7538] loop1: detected capacity change from 0 to 8192 [pid 7538] ioctl(4, LOOP_SET_FD, 3 [pid 7540] close(3 [pid 7535] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7540] <... close resumed>) = 0 [pid 7535] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7540] mkdir("./file0", 0777 [pid 7535] <... openat resumed>) = 4 [pid 7540] <... mkdir resumed>) = 0 [pid 7535] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7540] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7535] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7535] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7535] exit_group(0) = ? [pid 7535] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7535, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5074] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./207/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./207/binderfs") = 0 [ 268.051465][ T7537] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 268.051553][ T7537] REISERFS (device loop2): using ordered data mode [ 268.074676][ T7536] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.088150][ T7537] reiserfs: using flush barriers [ 268.094380][ T7537] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5074] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7538] <... ioctl resumed>) = 0 [pid 7538] close(3) = 0 [ 268.111128][ T7540] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.111215][ T7536] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 268.125034][ T7539] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 268.134413][ T7536] REISERFS (device loop4): using ordered data mode [ 268.149168][ T7540] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 268.149258][ T7540] REISERFS (device loop3): using ordered data mode [pid 7538] mkdir("./file0", 0777) = 0 [ 268.159841][ T7536] reiserfs: using flush barriers [ 268.170376][ T7537] REISERFS (device loop2): checking transaction log (loop2) [ 268.178483][ T7540] reiserfs: using flush barriers [ 268.181506][ T7536] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.184081][ T7539] REISERFS (device loop0): using ordered data mode [ 268.204293][ T7540] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.206560][ T7539] reiserfs: using flush barriers [ 268.227843][ T7538] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.237202][ T7537] REISERFS (device loop2): Using r5 hash to sort names [ 268.258037][ T7538] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 268.259269][ T7539] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.267796][ T7538] REISERFS (device loop1): using ordered data mode [ 268.290032][ T7538] reiserfs: using flush barriers [ 268.297669][ T7537] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7538] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7537] <... mount resumed>) = 0 [pid 7537] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./207/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, [pid 7537] <... openat resumed>) = 3 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./207/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [ 268.298129][ T7538] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.310633][ T7537] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 268.334983][ T7536] REISERFS (device loop4): checking transaction log (loop4) [ 268.336527][ T7540] REISERFS (device loop3): checking transaction log (loop3) [ 268.351620][ T7539] REISERFS (device loop0): checking transaction log (loop0) [pid 5074] rmdir("./207" [pid 7537] chdir("./file0" [pid 5074] <... rmdir resumed>) = 0 [pid 5074] mkdir("./208", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3 [pid 7540] <... mount resumed>) = 0 [pid 7537] <... chdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7547 [pid 7540] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 268.360257][ T7540] REISERFS (device loop3): Using r5 hash to sort names [ 268.368221][ T7540] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.382183][ T7540] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 268.392076][ T7538] REISERFS (device loop1): checking transaction log (loop1) [ 268.400442][ T7539] REISERFS (device loop0): Using r5 hash to sort names [pid 7537] ioctl(4, LOOP_CLR_FD [pid 7540] <... openat resumed>) = 3 [pid 7537] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 7547 attached [pid 7547] chdir("./208") = 0 [pid 7547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7547] setpgid(0, 0) = 0 [pid 7547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7547] write(3, "1000", 4 [pid 7540] chdir("./file0" [pid 7537] close(4 [pid 7547] <... write resumed>) = 4 [pid 7547] close(3) = 0 [pid 7547] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7547] memfd_create("syzkaller", 0) = 3 [pid 7547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7540] <... chdir resumed>) = 0 [pid 7537] <... close resumed>) = 0 [pid 7540] ioctl(4, LOOP_CLR_FD [pid 7537] mkdir(NULL, 000 [pid 7540] <... ioctl resumed>) = 0 [pid 7537] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7539] <... mount resumed>) = 0 [ 268.408358][ T7539] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.409887][ T7536] REISERFS (device loop4): Using r5 hash to sort names [ 268.422551][ T7538] REISERFS (device loop1): Using r5 hash to sort names [ 268.435774][ T7538] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.449546][ T7539] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7540] close(4 [pid 7539] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7537] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7538] <... mount resumed>) = 0 [pid 7540] <... close resumed>) = 0 [pid 7539] <... openat resumed>) = 3 [pid 7538] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7537] <... openat resumed>) = 4 [pid 7540] mkdir(NULL, 000 [pid 7539] chdir("./file0" [pid 7540] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7538] <... openat resumed>) = 3 [pid 7537] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7536] <... mount resumed>) = 0 [pid 7539] <... chdir resumed>) = 0 [pid 7540] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7539] ioctl(4, LOOP_CLR_FD [pid 7538] chdir("./file0" [pid 7537] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7536] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7540] <... openat resumed>) = 4 [pid 7538] <... chdir resumed>) = 0 [pid 7537] mount(NULL, "./bus", NULL, 0, NULL [pid 7540] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7539] <... ioctl resumed>) = 0 [pid 7538] ioctl(4, LOOP_CLR_FD [pid 7536] <... openat resumed>) = 3 [pid 7537] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7540] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7539] close(4 [pid 7538] <... ioctl resumed>) = 0 [pid 7536] chdir("./file0" [pid 7540] mount(NULL, "./bus", NULL, 0, NULL [pid 7539] <... close resumed>) = 0 [pid 7538] close(4 [pid 7537] exit_group(0 [pid 7536] <... chdir resumed>) = 0 [pid 7547] 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"..., 4194304 [pid 7540] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7539] mkdir(NULL, 000 [pid 7538] <... close resumed>) = 0 [pid 7537] <... exit_group resumed>) = ? [pid 7536] ioctl(4, LOOP_CLR_FD [pid 7540] exit_group(0 [pid 7539] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7538] mkdir(NULL, 000 [pid 7540] <... exit_group resumed>) = ? [pid 7539] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7538] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7537] +++ exited with 0 +++ [pid 7536] <... ioctl resumed>) = 0 [pid 7540] +++ exited with 0 +++ [pid 7539] <... openat resumed>) = 4 [pid 7538] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7536] close(4 [pid 7539] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7538] <... openat resumed>) = 4 [pid 7536] <... close resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7540, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=14 /* 0.14 s */} --- [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7537, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 7539] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7538] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7536] mkdir(NULL, 000 [ 268.460824][ T7538] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 268.471332][ T7536] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 268.485961][ T7536] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7539] mount(NULL, "./bus", NULL, 0, NULL [pid 7538] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7536] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7539] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7538] mount(NULL, "./bus", NULL, 0, NULL [pid 7536] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7539] exit_group(0 [pid 7538] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... openat resumed>) = 3 [pid 7539] <... exit_group resumed>) = ? [pid 7538] exit_group(0 [pid 7536] <... openat resumed>) = 4 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, [pid 7539] +++ exited with 0 +++ [pid 7538] <... exit_group resumed>) = ? [pid 7536] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7538] +++ exited with 0 +++ [pid 7536] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7539, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 7536] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] lstat("./203/binderfs", [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7538, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 7536] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] <... openat resumed>) = 3 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7536] exit_group(0 [pid 5072] fstat(3, [pid 5071] unlink("./203/binderfs" [pid 5069] <... restart_syscall resumed>) = 0 [pid 7536] <... exit_group resumed>) = ? [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5071] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7536] +++ exited with 0 +++ [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7536, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5072] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... restart_syscall resumed>) = 0 [pid 5072] lstat("./204/binderfs", [pid 5070] <... openat resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] fstat(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] unlink("./204/binderfs" [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... unlink resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... openat resumed>) = 3 [pid 5073] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(3, [pid 5073] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] fstat(3, [pid 5070] lstat("./202/binderfs", [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] getdents64(3, [pid 5070] unlink("./202/binderfs" [pid 5069] getdents64(3, [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... unlink resumed>) = 0 [pid 5073] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] lstat("./206/binderfs", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./206/binderfs" [pid 5069] lstat("./199/binderfs", [pid 5073] <... unlink resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] unlink("./199/binderfs") = 0 [pid 5069] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7547] <... write resumed>) = 4194304 [pid 7547] munmap(0x7f8a1b2e3000, 4194304 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./203/file0", [pid 7547] <... munmap resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7547] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] close(4) = 0 [pid 5071] rmdir("./203/file0" [pid 7547] <... openat resumed>) = 4 [pid 5071] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, [pid 7547] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./203") = 0 [pid 5071] mkdir("./204", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 7547] <... ioctl resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7548 [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./206/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7548 attached [pid 5073] getdents64(4, [pid 7548] chdir("./204") = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] getdents64(4, [pid 7548] <... prctl resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 7548] setpgid(0, 0 [pid 5073] close(4 [pid 5070] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7548] <... setpgid resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] rmdir("./206/file0" [pid 5070] lstat("./202/file0", [pid 7548] <... openat resumed>) = 3 [pid 5073] <... rmdir resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7548] write(3, "1000", 4 [pid 7547] close(3 [pid 5073] getdents64(3, [pid 5070] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7548] <... write resumed>) = 4 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7548] close(3 [pid 5073] close(3 [pid 5070] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7548] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [ 268.697116][ T7547] loop5: detected capacity change from 0 to 8192 [pid 7548] symlink("/dev/binderfs", "./binderfs" [pid 5073] rmdir("./206" [pid 5070] fstat(4, [pid 7548] <... symlink resumed>) = 0 [pid 7547] <... close resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7548] memfd_create("syzkaller", 0 [pid 7547] mkdir("./file0", 0777 [pid 5073] mkdir("./207", 0777 [pid 5070] getdents64(4, [pid 7548] <... memfd_create resumed>) = 3 [pid 7547] <... mkdir resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7547] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] getdents64(4, [pid 7548] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5070] close(4 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... close resumed>) = 0 [pid 5073] close(3 [pid 5070] rmdir("./202/file0" [pid 5073] <... close resumed>) = 0 [pid 5072] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 5069] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] lstat("./204/file0", [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7550 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] close(3 [pid 5069] lstat("./199/file0", [pid 5072] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] rmdir("./202" [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7550 attached [pid 5072] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... rmdir resumed>) = 0 [pid 5069] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 4 [pid 5070] mkdir("./203", 0777 [pid 7550] chdir("./207" [pid 5072] fstat(4, [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7550] <... chdir resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] getdents64(4, [pid 5070] <... openat resumed>) = 3 [pid 7550] <... prctl resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... openat resumed>) = 4 [pid 7550] setpgid(0, 0 [pid 7548] 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"..., 4194304 [pid 5072] getdents64(4, [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7551 [pid 7550] <... setpgid resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] fstat(4, ./strace-static-x86_64: Process 7551 attached [pid 7551] chdir("./203" [pid 7550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] close(4 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7551] <... chdir resumed>) = 0 [pid 7550] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 7551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7550] write(3, "1000", 4 [pid 5072] rmdir("./204/file0" [pid 7551] <... prctl resumed>) = 0 [pid 7550] <... write resumed>) = 4 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7551] setpgid(0, 0 [pid 7550] close(3 [pid 5072] <... rmdir resumed>) = 0 [pid 7550] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 7550] symlink("/dev/binderfs", "./binderfs" [pid 5072] getdents64(3, [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7551] <... setpgid resumed>) = 0 [pid 7550] <... symlink resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 7551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7550] memfd_create("syzkaller", 0 [pid 5072] close(3 [pid 5069] <... close resumed>) = 0 [pid 7551] <... openat resumed>) = 3 [pid 7550] <... memfd_create resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5069] rmdir("./199/file0" [pid 7551] write(3, "1000", 4 [pid 7550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] rmdir("./204" [pid 7551] <... write resumed>) = 4 [pid 7550] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] <... rmdir resumed>) = 0 [pid 7551] close(3) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, [pid 7551] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7551] memfd_create("syzkaller", 0) = 3 [pid 7551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5072] mkdir("./205", 0777 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5069] close(3 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5069] rmdir("./199" [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] <... rmdir resumed>) = 0 [ 268.799006][ T7547] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.833230][ T7547] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5072] close(3) = 0 [pid 5069] mkdir("./200", 0777 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7552 [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3./strace-static-x86_64: Process 7552 attached ) = 0 [pid 7552] chdir("./205" [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7552] <... chdir resumed>) = 0 [pid 7552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7553 ./strace-static-x86_64: Process 7553 attached [pid 7552] setpgid(0, 0 [pid 7553] chdir("./200" [pid 7552] <... setpgid resumed>) = 0 [pid 7553] <... chdir resumed>) = 0 [pid 7552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7552] <... openat resumed>) = 3 [pid 7552] write(3, "1000", 4 [pid 7553] <... prctl resumed>) = 0 [pid 7553] setpgid(0, 0 [pid 7552] <... write resumed>) = 4 [pid 7553] <... setpgid resumed>) = 0 [pid 7552] close(3 [pid 7553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7552] <... close resumed>) = 0 [pid 7552] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7553] <... openat resumed>) = 3 [pid 7552] memfd_create("syzkaller", 0 [pid 7553] write(3, "1000", 4 [pid 7552] <... memfd_create resumed>) = 3 [pid 7553] <... write resumed>) = 4 [pid 7552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7553] close(3 [pid 7552] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7553] <... close resumed>) = 0 [ 268.877672][ T7547] REISERFS (device loop5): using ordered data mode [ 268.884293][ T7547] reiserfs: using flush barriers [pid 7553] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7553] memfd_create("syzkaller", 0 [pid 7550] 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"..., 4194304 [pid 7553] <... memfd_create resumed>) = 3 [pid 7552] 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"..., 4194304 [pid 7551] 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"..., 4194304 [pid 7553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 268.942263][ T7547] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7548] <... write resumed>) = 4194304 [pid 7548] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7548] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7548] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7548] close(3) = 0 [pid 7548] mkdir("./file0", 0777) = 0 [ 269.006781][ T7547] REISERFS (device loop5): checking transaction log (loop5) [ 269.032817][ T7547] REISERFS (device loop5): Using r5 hash to sort names [ 269.047147][ T7548] loop2: detected capacity change from 0 to 8192 [pid 7548] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7553] 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"..., 4194304 [pid 7550] <... write resumed>) = 4194304 [pid 7550] munmap(0x7f8a1b2e3000, 4194304 [pid 7551] <... write resumed>) = 4194304 [pid 7551] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7551] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7551] ioctl(4, LOOP_SET_FD, 3 [pid 7550] <... munmap resumed>) = 0 [pid 7550] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 269.059212][ T7547] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.084439][ T7548] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.099046][ T7551] loop1: detected capacity change from 0 to 8192 [pid 7550] ioctl(4, LOOP_SET_FD, 3 [pid 7552] <... write resumed>) = 4194304 [pid 7552] munmap(0x7f8a1b2e3000, 4194304 [pid 7551] <... ioctl resumed>) = 0 [pid 7550] <... ioctl resumed>) = 0 [pid 7552] <... munmap resumed>) = 0 [pid 7551] close(3 [pid 7550] close(3 [pid 7552] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7550] <... close resumed>) = 0 [pid 7551] <... close resumed>) = 0 [pid 7552] <... openat resumed>) = 4 [pid 7551] mkdir("./file0", 0777 [pid 7550] mkdir("./file0", 0777 [pid 7552] ioctl(4, LOOP_SET_FD, 3 [pid 7551] <... mkdir resumed>) = 0 [pid 7550] <... mkdir resumed>) = 0 [pid 7552] <... ioctl resumed>) = 0 [pid 7551] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7550] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7552] close(3) = 0 [pid 7552] mkdir("./file0", 0777) = 0 [ 269.109844][ T7550] loop4: detected capacity change from 0 to 8192 [ 269.110191][ T7548] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 269.118173][ T7547] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 269.127831][ T7548] REISERFS (device loop2): using ordered data mode [ 269.144978][ T7548] reiserfs: using flush barriers [ 269.145272][ T7552] loop3: detected capacity change from 0 to 8192 [pid 7552] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7553] <... write resumed>) = 4194304 [pid 7547] <... mount resumed>) = 0 [pid 7553] munmap(0x7f8a1b2e3000, 4194304 [pid 7547] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7553] <... munmap resumed>) = 0 [pid 7547] <... openat resumed>) = 3 [pid 7553] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7547] chdir("./file0" [pid 7553] <... openat resumed>) = 4 [pid 7547] <... chdir resumed>) = 0 [pid 7553] ioctl(4, LOOP_SET_FD, 3 [pid 7547] ioctl(4, LOOP_CLR_FD [pid 7553] <... ioctl resumed>) = 0 [pid 7547] <... ioctl resumed>) = 0 [ 269.161318][ T7548] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.170454][ T7553] loop0: detected capacity change from 0 to 8192 [ 269.184581][ T7548] REISERFS (device loop2): checking transaction log (loop2) [ 269.184890][ T7552] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7553] close(3 [pid 7547] close(4 [pid 7553] <... close resumed>) = 0 [pid 7547] <... close resumed>) = 0 [pid 7553] mkdir("./file0", 0777 [pid 7547] mkdir(NULL, 000 [pid 7553] <... mkdir resumed>) = 0 [pid 7547] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7553] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7547] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7547] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [ 269.191963][ T7550] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.206523][ T7551] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.218177][ T7550] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 269.240797][ T7550] REISERFS (device loop4): using ordered data mode [ 269.247398][ T7550] reiserfs: using flush barriers [pid 7547] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7547] exit_group(0) = ? [pid 7547] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7547, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5074] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./208/binderfs") = 0 [ 269.253663][ T7552] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 269.260755][ T7550] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.263886][ T7552] REISERFS (device loop3): using ordered data mode [ 269.285942][ T7552] reiserfs: using flush barriers [ 269.292824][ T7552] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.304972][ T7550] REISERFS (device loop4): checking transaction log (loop4) [ 269.310425][ T7553] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.317711][ T7552] REISERFS (device loop3): checking transaction log (loop3) [ 269.330979][ T7548] REISERFS (device loop2): Using r5 hash to sort names [ 269.338982][ T7553] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 269.345307][ T7550] REISERFS (device loop4): Using r5 hash to sort names [ 269.353190][ T7553] REISERFS (device loop0): using ordered data mode [ 269.366584][ T7553] reiserfs: using flush barriers [ 269.367734][ T7552] REISERFS (device loop3): Using r5 hash to sort names [ 269.372610][ T7551] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 269.379725][ T7553] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.387743][ T7551] REISERFS (device loop1): using ordered data mode [ 269.410377][ T7551] reiserfs: using flush barriers [ 269.417041][ T7548] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.430109][ T7551] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.430974][ T7552] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.446512][ T7548] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 269.468884][ T7551] REISERFS (device loop1): checking transaction log (loop1) [ 269.477143][ T7550] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.492783][ T7551] REISERFS (device loop1): Using r5 hash to sort names [ 269.501340][ T7553] REISERFS (device loop0): checking transaction log (loop0) [ 269.512868][ T7553] REISERFS (device loop0): Using r5 hash to sort names [ 269.521802][ T7552] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 269.523476][ T7551] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 269.532438][ T7553] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5074] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 7552] <... mount resumed>) = 0 [pid 7552] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7552] chdir("./file0") = 0 [pid 7552] ioctl(4, LOOP_CLR_FD) = 0 [pid 7552] close(4 [pid 7550] <... mount resumed>) = 0 [pid 7550] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7548] <... mount resumed>) = 0 [pid 7550] <... openat resumed>) = 3 [pid 7548] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7550] chdir("./file0" [pid 7548] <... openat resumed>) = 3 [pid 7552] <... close resumed>) = 0 [pid 7552] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7552] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7552] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7552] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7552] exit_group(0) = ? [pid 7550] <... chdir resumed>) = 0 [pid 7548] chdir("./file0" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7550] ioctl(4, LOOP_CLR_FD [pid 7548] <... chdir resumed>) = 0 [pid 5074] lstat("./208/file0", [pid 7551] <... mount resumed>) = 0 [pid 7550] <... ioctl resumed>) = 0 [pid 7548] ioctl(4, LOOP_CLR_FD [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7552] +++ exited with 0 +++ [pid 7551] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7553] <... mount resumed>) = 0 [pid 7550] close(4 [pid 7548] <... ioctl resumed>) = 0 [pid 5074] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7553] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7551] <... openat resumed>) = 3 [pid 7550] <... close resumed>) = 0 [pid 7548] close(4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7552, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7553] <... openat resumed>) = 3 [pid 7551] chdir("./file0" [pid 7550] mkdir(NULL, 000 [pid 7548] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7553] chdir("./file0" [pid 7550] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7548] mkdir(NULL, 000 [pid 5074] <... openat resumed>) = 4 [pid 7553] <... chdir resumed>) = 0 [pid 7550] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7548] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] fstat(4, [pid 5072] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7553] ioctl(4, LOOP_CLR_FD [pid 7551] <... chdir resumed>) = 0 [pid 7550] <... openat resumed>) = 4 [pid 7548] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7553] <... ioctl resumed>) = 0 [pid 7551] ioctl(4, LOOP_CLR_FD [pid 7550] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7548] <... openat resumed>) = 4 [pid 5074] getdents64(4, [pid 5072] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7553] close(4 [pid 7551] <... ioctl resumed>) = 0 [pid 7550] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7548] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... openat resumed>) = 3 [pid 7553] <... close resumed>) = 0 [pid 7551] close(4 [pid 7550] mount(NULL, "./bus", NULL, 0, NULL [pid 7548] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 5072] fstat(3, [pid 7553] mkdir(NULL, 000 [pid 7551] <... close resumed>) = 0 [pid 7550] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7548] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7553] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7551] mkdir(NULL, 000 [pid 7550] exit_group(0 [pid 7548] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] close(4 [pid 5072] getdents64(3, [pid 7553] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7551] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7550] <... exit_group resumed>) = ? [pid 7548] exit_group(0 [pid 5074] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7553] <... openat resumed>) = 4 [pid 7551] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7550] +++ exited with 0 +++ [pid 7548] <... exit_group resumed>) = ? [pid 5074] rmdir("./208/file0" [pid 5072] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7553] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7551] <... openat resumed>) = 4 [pid 7548] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7550, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- [pid 7553] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7551] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7548, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 7553] mount(NULL, "./bus", NULL, 0, NULL [pid 7551] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5073] <... restart_syscall resumed>) = 0 [pid 5072] lstat("./205/binderfs", [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 7553] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7551] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 7553] exit_group(0 [pid 7551] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] close(3 [pid 5072] unlink("./205/binderfs" [pid 7553] <... exit_group resumed>) = ? [pid 7551] exit_group(0 [pid 5074] <... close resumed>) = 0 [pid 5073] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... unlink resumed>) = 0 [pid 7553] +++ exited with 0 +++ [pid 7551] <... exit_group resumed>) = ? [pid 5074] rmdir("./208" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7551] +++ exited with 0 +++ [pid 5074] <... rmdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] mkdir("./209", 0777 [pid 5073] <... openat resumed>) = 3 [pid 5071] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] fstat(3, [pid 5071] <... openat resumed>) = 3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7551, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5074] <... mkdir resumed>) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] fstat(3, [pid 5070] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7553, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] getdents64(3, [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 269.553882][ T7550] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 269.569728][ T7551] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 269.581972][ T7553] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5074] <... openat resumed>) = 3 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] getdents64(3, [pid 5070] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... restart_syscall resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... openat resumed>) = 3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] fstat(3, [pid 5074] close(3 [pid 5073] lstat("./207/binderfs", [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... close resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] lstat("./204/binderfs", [pid 5070] getdents64(3, [pid 5073] unlink("./207/binderfs" [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... unlink resumed>) = 0 [pid 5071] unlink("./204/binderfs" [pid 5070] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7559 [pid 5071] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] lstat("./203/binderfs", [pid 5069] <... openat resumed>) = 3 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] fstat(3, [pid 5070] unlink("./203/binderfs") = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./200/binderfs"./strace-static-x86_64: Process 7559 attached [pid 7559] chdir("./209" [pid 5069] <... unlink resumed>) = 0 [pid 5069] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7559] <... chdir resumed>) = 0 [pid 7559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7559] setpgid(0, 0) = 0 [pid 7559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7559] write(3, "1000", 4) = 4 [pid 7559] close(3) = 0 [pid 7559] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7559] memfd_create("syzkaller", 0) = 3 [pid 7559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7559] 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"..., 4194304 [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./207/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./207/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./207") = 0 [pid 5073] mkdir("./208", 0777) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5072] lstat("./205/file0", [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] close(3 [pid 5071] lstat("./204/file0", [pid 5073] <... close resumed>) = 0 [pid 5072] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7560 attached [pid 7559] <... write resumed>) = 4194304 [pid 5072] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7559] munmap(0x7f8a1b2e3000, 4194304 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7560 [pid 5072] <... openat resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] fstat(4, [pid 5071] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5072] getdents64(4, [pid 5071] fstat(4, [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, [pid 7560] chdir("./208" [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(4, [pid 7560] <... chdir resumed>) = 0 [pid 5072] close(4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... close resumed>) = 0 [pid 5071] getdents64(4, [pid 5072] rmdir("./205/file0" [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7559] <... munmap resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] close(4 [pid 7560] <... prctl resumed>) = 0 [pid 7559] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] getdents64(3, [pid 7560] setpgid(0, 0 [pid 5071] <... close resumed>) = 0 [pid 7559] <... openat resumed>) = 4 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] rmdir("./204/file0" [pid 7560] <... setpgid resumed>) = 0 [pid 7559] ioctl(4, LOOP_SET_FD, 3 [pid 5072] close(3 [pid 7560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... close resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 7560] <... openat resumed>) = 3 [pid 7559] <... ioctl resumed>) = 0 [pid 5072] rmdir("./205" [pid 5071] getdents64(3, [pid 7560] write(3, "1000", 4 [pid 7559] close(3 [pid 7560] <... write resumed>) = 4 [pid 7559] <... close resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7560] close(3 [pid 7559] mkdir("./file0", 0777 [pid 5072] mkdir("./206", 0777 [pid 5071] close(3 [pid 5070] <... umount2 resumed>) = 0 [pid 7560] <... close resumed>) = 0 [pid 7559] <... mkdir resumed>) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 7560] symlink("/dev/binderfs", "./binderfs" [pid 7559] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] <... close resumed>) = 0 [pid 5070] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7560] <... symlink resumed>) = 0 [pid 5071] rmdir("./204" [pid 5072] <... openat resumed>) = 3 [pid 7560] memfd_create("syzkaller", 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7560] <... memfd_create resumed>) = 3 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] mkdir("./205", 0777 [pid 5070] lstat("./203/file0", [pid 7560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] close(3 [pid 5071] <... mkdir resumed>) = 0 [pid 7560] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 4 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7562 [pid 5071] close(3 [pid 5070] fstat(4, [pid 5071] <... close resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7563 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./203/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./203") = 0 [pid 5070] mkdir("./204", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... umount2 resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7562 attached [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7562] chdir("./206" [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] lstat("./200/file0", [pid 7562] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 7564 attached [pid 7562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 269.791370][ T7559] loop5: detected capacity change from 0 to 8192 [ 269.828539][ T7559] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 ./strace-static-x86_64: Process 7563 attached [pid 7563] chdir("./205") = 0 [pid 7563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7563] setpgid(0, 0) = 0 [pid 7563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7562] <... prctl resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7564 [pid 5069] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7564] chdir("./204" [pid 7562] setpgid(0, 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7564] <... chdir resumed>) = 0 [pid 7562] <... setpgid resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7563] write(3, "1000", 4 [pid 7562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... openat resumed>) = 4 [pid 7564] <... prctl resumed>) = 0 [pid 7563] <... write resumed>) = 4 [pid 7562] <... openat resumed>) = 3 [pid 5069] fstat(4, [pid 7564] setpgid(0, 0 [pid 7563] close(3 [pid 7562] write(3, "1000", 4 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7564] <... setpgid resumed>) = 0 [pid 7563] <... close resumed>) = 0 [pid 7562] <... write resumed>) = 4 [pid 5069] getdents64(4, [pid 7564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7563] symlink("/dev/binderfs", "./binderfs" [pid 7562] close(3 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7564] <... openat resumed>) = 3 [pid 7563] <... symlink resumed>) = 0 [pid 7562] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 7564] write(3, "1000", 4 [pid 7563] memfd_create("syzkaller", 0 [pid 7562] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7564] <... write resumed>) = 4 [pid 7563] <... memfd_create resumed>) = 3 [pid 7562] <... symlink resumed>) = 0 [pid 5069] close(4 [pid 7564] close(3 [pid 7563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7562] memfd_create("syzkaller", 0 [pid 7560] 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"..., 4194304 [pid 5069] <... close resumed>) = 0 [pid 7564] <... close resumed>) = 0 [pid 7563] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7562] <... memfd_create resumed>) = 3 [pid 5069] rmdir("./200/file0" [pid 7564] symlink("/dev/binderfs", "./binderfs" [pid 7562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... rmdir resumed>) = 0 [pid 7564] <... symlink resumed>) = 0 [pid 7562] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] getdents64(3, [pid 7564] memfd_create("syzkaller", 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7564] <... memfd_create resumed>) = 3 [pid 5069] close(3 [pid 7564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... close resumed>) = 0 [pid 7564] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] rmdir("./200") = 0 [pid 5069] mkdir("./201", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 269.866398][ T7559] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 269.893581][ T7559] REISERFS (device loop5): using ordered data mode [pid 7560] <... write resumed>) = 4194304 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7560] munmap(0x7f8a1b2e3000, 4194304 [pid 5069] close(3) = 0 [pid 7560] <... munmap resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7560] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7565 [pid 7560] <... openat resumed>) = 4 [ 269.947595][ T7559] reiserfs: using flush barriers [pid 7560] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7565 attached [pid 7565] chdir("./201") = 0 [pid 7565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7565] setpgid(0, 0) = 0 [pid 7565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7565] write(3, "1000", 4) = 4 [pid 7560] <... ioctl resumed>) = 0 [pid 7565] close(3) = 0 [pid 7565] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7565] memfd_create("syzkaller", 0) = 3 [pid 7560] close(3 [pid 7565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7560] <... close resumed>) = 0 [pid 7565] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7560] mkdir("./file0", 0777) = 0 [ 269.977190][ T7560] loop4: detected capacity change from 0 to 8192 [pid 7560] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7564] 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"..., 4194304 [pid 7563] 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"..., 4194304 [ 270.021644][ T7559] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.039850][ T7560] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7562] 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"..., 4194304 [pid 7563] <... write resumed>) = 4194304 [pid 7563] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7563] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7563] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7563] close(3) = 0 [pid 7563] mkdir("./file0", 0777) = 0 [ 270.084783][ T7559] REISERFS (device loop5): checking transaction log (loop5) [ 270.094170][ T7560] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 270.095932][ T7559] REISERFS (device loop5): Using r5 hash to sort names [ 270.104380][ T7560] REISERFS (device loop4): using ordered data mode [ 270.117772][ T7560] reiserfs: using flush barriers [ 270.123665][ T7563] loop2: detected capacity change from 0 to 8192 [pid 7563] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7564] <... write resumed>) = 4194304 [ 270.137098][ T7560] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.137833][ T7559] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 270.167100][ T7563] REISERFS warning: read_super_block: checking transaction log (loop4) [ 270.167100][ T7563] [ 270.167104][ T7560] REISERFS (device loop4): checking transaction log (loop4) [pid 7565] 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"..., 4194304 [pid 7564] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7564] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7564] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7564] close(3) = 0 [ 270.187249][ T7560] REISERFS (device loop4): Using r5 hash to sort names [ 270.194375][ T7560] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 270.210680][ T7564] loop1: detected capacity change from 0 to 8192 [pid 7564] mkdir("./file0", 0777) = 0 [pid 7560] <... mount resumed>) = 0 [pid 7560] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7560] chdir("./file0") = 0 [pid 7560] ioctl(4, LOOP_CLR_FD) = 0 [pid 7560] close(4 [pid 7564] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7560] <... close resumed>) = 0 [pid 7560] mkdir(NULL, 000 [pid 7562] <... write resumed>) = 4194304 [pid 7560] <... mkdir resumed>) = -1 EFAULT (Bad address) [ 270.230866][ T7563] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 270.231989][ T7560] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 270.251045][ T7559] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 270.272515][ T7564] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7560] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7562] munmap(0x7f8a1b2e3000, 4194304 [pid 7560] <... openat resumed>) = 4 [pid 7559] <... mount resumed>) = 0 [pid 7562] <... munmap resumed>) = 0 [pid 7559] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7565] <... write resumed>) = 4194304 [pid 7562] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7560] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7559] <... openat resumed>) = 3 [pid 7565] munmap(0x7f8a1b2e3000, 4194304 [pid 7562] <... openat resumed>) = 4 [pid 7560] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [ 270.285744][ T7563] REISERFS (device loop2): using ordered data mode [ 270.297439][ T7563] reiserfs: using flush barriers [ 270.303628][ T7563] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.315338][ T7564] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 270.321233][ T7563] REISERFS (device loop2): checking transaction log (loop2) [pid 7559] chdir("./file0" [pid 7565] <... munmap resumed>) = 0 [pid 7562] ioctl(4, LOOP_SET_FD, 3 [pid 7560] mount(NULL, "./bus", NULL, 0, NULL [pid 7559] <... chdir resumed>) = 0 [pid 7565] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7562] <... ioctl resumed>) = 0 [pid 7562] close(3) = 0 [pid 7562] mkdir("./file0", 0777) = 0 [pid 7562] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7565] <... openat resumed>) = 4 [pid 7560] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7559] ioctl(4, LOOP_CLR_FD [pid 7565] ioctl(4, LOOP_SET_FD, 3 [pid 7560] exit_group(0 [pid 7559] <... ioctl resumed>) = 0 [ 270.330402][ T7564] REISERFS (device loop1): using ordered data mode [ 270.344364][ T7564] reiserfs: using flush barriers [ 270.345940][ T7562] loop3: detected capacity change from 0 to 8192 [ 270.350948][ T7564] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.373232][ T7563] REISERFS (device loop2): Using r5 hash to sort names [ 270.376925][ T7564] REISERFS (device loop1): checking transaction log (loop1) [pid 7560] <... exit_group resumed>) = ? [pid 7560] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7560, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5073] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7559] close(4 [pid 5073] lstat("./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./208/binderfs") = 0 [pid 5073] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7559] <... close resumed>) = 0 [pid 7559] mkdir(NULL, 000) = -1 EFAULT (Bad address) [ 270.381242][ T7563] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 270.391258][ T7565] loop0: detected capacity change from 0 to 8192 [ 270.408182][ T7562] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 270.410400][ T7563] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7559] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7563] <... mount resumed>) = 0 [pid 7563] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7563] chdir("./file0") = 0 [pid 7563] ioctl(4, LOOP_CLR_FD) = 0 [pid 7563] close(4) = 0 [pid 7563] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7563] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7559] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7559] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7559] exit_group(0) = ? [pid 7559] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7559, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 7563] <... openat resumed>) = 4 [pid 7563] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 5074] <... restart_syscall resumed>) = 0 [pid 5074] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./209/binderfs", [pid 7563] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7563] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] unlink("./209/binderfs" [pid 7563] exit_group(0 [pid 5074] <... unlink resumed>) = 0 [pid 7563] <... exit_group resumed>) = ? [pid 5074] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7563] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7563, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 7565] <... ioctl resumed>) = 0 [pid 7565] close(3) = 0 [pid 7565] mkdir("./file0", 0777 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5071] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./205/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./205/binderfs") = 0 [pid 5071] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7565] <... mkdir resumed>) = 0 [ 270.434846][ T7564] REISERFS (device loop1): Using r5 hash to sort names [ 270.476374][ T7562] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 270.488811][ T7562] REISERFS (device loop3): using ordered data mode [ 270.496533][ T7564] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 270.497183][ T7565] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7565] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7564] <... mount resumed>) = 0 [pid 7564] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7564] chdir("./file0") = 0 [pid 7564] ioctl(4, LOOP_CLR_FD) = 0 [pid 7564] close(4) = 0 [pid 7564] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7564] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7564] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7564] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7564] exit_group(0) = ? [pid 7564] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7564, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5070] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./204/binderfs") = 0 [pid 5070] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 270.509457][ T7564] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 270.529770][ T7562] reiserfs: using flush barriers [pid 5071] lstat("./205/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 270.584882][ T7565] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 270.595648][ T7565] REISERFS (device loop0): using ordered data mode [ 270.602376][ T7565] reiserfs: using flush barriers [ 270.610338][ T7565] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5071] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./205/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./205") = 0 [pid 5071] mkdir("./206", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5073] <... umount2 resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 270.627315][ T7562] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.668544][ T7565] REISERFS (device loop0): checking transaction log (loop0) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7571 [pid 5073] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./208/file0", ./strace-static-x86_64: Process 7571 attached [pid 7571] chdir("./206" [pid 5074] <... umount2 resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./208/file0" [pid 5074] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... rmdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7571] <... chdir resumed>) = 0 [pid 5073] getdents64(3, [pid 7571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] lstat("./209/file0", [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7571] <... prctl resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] close(3 [pid 7571] setpgid(0, 0 [pid 5074] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = 0 [pid 7571] <... setpgid resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] rmdir("./208" [pid 7571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5073] mkdir("./209", 0777 [pid 5074] fstat(4, [pid 5073] <... mkdir resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] getdents64(4, [pid 5073] <... openat resumed>) = 3 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 7571] <... openat resumed>) = 3 [pid 7565] <... mount resumed>) = 0 [pid 5074] getdents64(4, [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7571] write(3, "1000", 4 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [ 270.695680][ T7565] REISERFS (device loop0): Using r5 hash to sort names [ 270.704606][ T7565] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 270.733586][ T7565] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] close(3 [pid 7571] <... write resumed>) = 4 [pid 7565] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] close(4 [pid 5073] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] rmdir("./209/file0" [pid 5070] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7572 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5070] lstat("./204/file0", [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] close(3) = 0 [pid 5070] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] rmdir("./209" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7571] close(3 [pid 7565] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7572 attached [pid 5074] <... rmdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7572] chdir("./209" [pid 5074] mkdir("./210", 0777 [pid 5070] <... openat resumed>) = 4 [pid 7572] <... chdir resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5070] fstat(4, [pid 7572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7572] <... prctl resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 7572] setpgid(0, 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7572] <... setpgid resumed>) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] getdents64(4, [pid 7572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] close(3 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7572] <... openat resumed>) = 3 [pid 7571] <... close resumed>) = 0 [pid 7565] chdir("./file0" [pid 5074] <... close resumed>) = 0 [pid 5070] close(4 [pid 7572] write(3, "1000", 4 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... close resumed>) = 0 ./strace-static-x86_64: Process 7573 attached [pid 7572] <... write resumed>) = 4 [pid 7571] symlink("/dev/binderfs", "./binderfs" [pid 7565] <... chdir resumed>) = 0 [pid 7562] <... mount resumed>) = 0 [pid 5070] rmdir("./204/file0" [pid 7573] chdir("./210" [pid 7572] close(3 [pid 7571] <... symlink resumed>) = 0 [pid 7565] ioctl(4, LOOP_CLR_FD [pid 7562] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7573 [pid 5070] <... rmdir resumed>) = 0 [pid 7572] <... close resumed>) = 0 [pid 7571] memfd_create("syzkaller", 0 [pid 7565] <... ioctl resumed>) = 0 [pid 5070] getdents64(3, [pid 7573] <... chdir resumed>) = 0 [pid 7572] symlink("/dev/binderfs", "./binderfs" [pid 7571] <... memfd_create resumed>) = 3 [pid 7565] close(4 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7572] <... symlink resumed>) = 0 [pid 7571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7565] <... close resumed>) = 0 [pid 7562] <... openat resumed>) = 3 [pid 5070] close(3 [pid 7573] <... prctl resumed>) = 0 [pid 7572] memfd_create("syzkaller", 0 [pid 7571] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7565] mkdir(NULL, 000 [pid 7562] chdir("./file0" [pid 5070] <... close resumed>) = 0 [pid 7573] setpgid(0, 0 [pid 7572] <... memfd_create resumed>) = 3 [pid 5070] rmdir("./204" [pid 7573] <... setpgid resumed>) = 0 [pid 7572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7565] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7562] <... chdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 7573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7572] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7565] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7562] ioctl(4, LOOP_CLR_FD [pid 5070] mkdir("./205", 0777 [pid 7573] <... openat resumed>) = 3 [pid 7565] <... openat resumed>) = 4 [pid 7562] <... ioctl resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 7573] write(3, "1000", 4 [pid 7565] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [ 270.744142][ T7562] REISERFS (device loop3): checking transaction log (loop3) [ 270.753152][ T7562] REISERFS (device loop3): Using r5 hash to sort names [ 270.767089][ T7562] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 270.780920][ T7562] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7562] close(4 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7573] <... write resumed>) = 4 [pid 7565] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7562] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 7573] close(3 [pid 7565] mount(NULL, "./bus", NULL, 0, NULL [pid 7562] mkdir(NULL, 000 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7573] <... close resumed>) = 0 [pid 7565] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7562] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7573] symlink("/dev/binderfs", "./binderfs" [pid 7565] exit_group(0 [pid 7562] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] close(3 [pid 7573] <... symlink resumed>) = 0 [pid 7565] <... exit_group resumed>) = ? [pid 7562] <... openat resumed>) = 4 [pid 5070] <... close resumed>) = 0 [pid 7573] memfd_create("syzkaller", 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7573] <... memfd_create resumed>) = 3 [pid 7565] +++ exited with 0 +++ [pid 7562] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7562] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7574 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7565, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 7573] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7562] mount(NULL, "./bus", NULL, 0, NULL./strace-static-x86_64: Process 7574 attached [pid 5069] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7574] chdir("./205" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7574] <... chdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7562] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... openat resumed>) = 3 [pid 7574] <... prctl resumed>) = 0 [pid 7562] exit_group(0 [pid 5069] fstat(3, [pid 7574] setpgid(0, 0 [pid 7562] <... exit_group resumed>) = ? [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7574] <... setpgid resumed>) = 0 [pid 5069] getdents64(3, [pid 7574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7562] +++ exited with 0 +++ [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7574] <... openat resumed>) = 3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7562, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5069] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7574] write(3, "1000", 4 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7574] <... write resumed>) = 4 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5069] lstat("./201/binderfs", [pid 7574] close(3 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7574] <... close resumed>) = 0 [pid 5069] unlink("./201/binderfs" [pid 7574] symlink("/dev/binderfs", "./binderfs" [pid 5072] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... unlink resumed>) = 0 [pid 7574] <... symlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7574] memfd_create("syzkaller", 0 [pid 5072] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7574] <... memfd_create resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 7574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] fstat(3, [pid 7574] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7572] 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"..., 4194304 [pid 5072] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./206/binderfs", [pid 7571] 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"..., 4194304 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./206/binderfs") = 0 [pid 5072] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7573] 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"..., 4194304 [pid 7574] 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"..., 4194304 [pid 7572] <... write resumed>) = 4194304 [pid 7572] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7571] <... write resumed>) = 4194304 [pid 7572] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7571] munmap(0x7f8a1b2e3000, 4194304 [pid 7572] <... openat resumed>) = 4 [pid 7572] ioctl(4, LOOP_SET_FD, 3 [pid 7571] <... munmap resumed>) = 0 [pid 7572] <... ioctl resumed>) = 0 [pid 7571] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7572] close(3) = 0 [pid 7571] <... openat resumed>) = 4 [pid 7573] <... write resumed>) = 4194304 [pid 7572] mkdir("./file0", 0777 [pid 7571] ioctl(4, LOOP_SET_FD, 3 [pid 7573] munmap(0x7f8a1b2e3000, 4194304 [pid 7572] <... mkdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7572] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7571] <... ioctl resumed>) = 0 [pid 5069] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7573] <... munmap resumed>) = 0 [pid 7571] close(3 [pid 7573] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7571] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7573] <... openat resumed>) = 4 [pid 7571] mkdir("./file0", 0777 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] lstat("./201/file0", [pid 7573] ioctl(4, LOOP_SET_FD, 3 [pid 7571] <... mkdir resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7571] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5069] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 271.037420][ T7572] loop4: detected capacity change from 0 to 8192 [ 271.059570][ T7571] loop2: detected capacity change from 0 to 8192 [ 271.074987][ T7573] loop5: detected capacity change from 0 to 8192 [pid 5072] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7574] <... write resumed>) = 4194304 [pid 7574] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7574] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7574] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] lstat("./206/file0", [pid 5069] <... openat resumed>) = 4 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] fstat(4, [pid 5072] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(4, [pid 5072] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... openat resumed>) = 4 [pid 5069] getdents64(4, [pid 5072] fstat(4, [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] close(4 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... close resumed>) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] rmdir("./201/file0" [pid 7574] <... ioctl resumed>) = 0 [pid 7573] <... ioctl resumed>) = 0 [pid 5072] close(4 [pid 5069] <... rmdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5072] rmdir("./206/file0" [pid 5069] getdents64(3, [pid 5072] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] getdents64(3, [pid 5069] close(3 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] close(3 [pid 5069] rmdir("./201" [pid 5072] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5072] rmdir("./206" [pid 5069] mkdir("./202", 0777 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5072] mkdir("./207", 0777 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] <... mkdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5072] <... openat resumed>) = 3 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7574] close(3 [pid 7573] close(3 [pid 5072] ioctl(3, LOOP_CLR_FD [ 271.082672][ T7572] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.093728][ T7574] loop1: detected capacity change from 0 to 8192 [ 271.103830][ T7572] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 271.115141][ T7572] REISERFS (device loop4): using ordered data mode [ 271.121824][ T7572] reiserfs: using flush barriers [pid 5069] close(3 [pid 7574] <... close resumed>) = 0 [pid 7573] <... close resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... close resumed>) = 0 [pid 5072] close(3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7574] mkdir("./file0", 0777 [pid 7573] mkdir("./file0", 0777 [pid 5072] <... close resumed>) = 0 [pid 7574] <... mkdir resumed>) = 0 [pid 7573] <... mkdir resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7577 [pid 7574] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7573] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7578 ./strace-static-x86_64: Process 7578 attached ./strace-static-x86_64: Process 7577 attached [ 271.124957][ T7571] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.146347][ T7572] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.157406][ T7571] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 271.164152][ T7572] REISERFS (device loop4): checking transaction log (loop4) [pid 7578] chdir("./207" [pid 7577] chdir("./202" [pid 7578] <... chdir resumed>) = 0 [pid 7577] <... chdir resumed>) = 0 [pid 7578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7578] <... prctl resumed>) = 0 [pid 7577] <... prctl resumed>) = 0 [pid 7578] setpgid(0, 0 [pid 7577] setpgid(0, 0 [pid 7578] <... setpgid resumed>) = 0 [pid 7577] <... setpgid resumed>) = 0 [pid 7578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7578] <... openat resumed>) = 3 [pid 7577] <... openat resumed>) = 3 [pid 7578] write(3, "1000", 4 [pid 7577] write(3, "1000", 4 [pid 7578] <... write resumed>) = 4 [pid 7577] <... write resumed>) = 4 [pid 7578] close(3 [pid 7577] close(3 [pid 7578] <... close resumed>) = 0 [pid 7577] <... close resumed>) = 0 [pid 7578] symlink("/dev/binderfs", "./binderfs" [pid 7577] symlink("/dev/binderfs", "./binderfs" [pid 7578] <... symlink resumed>) = 0 [pid 7577] <... symlink resumed>) = 0 [pid 7578] memfd_create("syzkaller", 0 [pid 7577] memfd_create("syzkaller", 0 [pid 7578] <... memfd_create resumed>) = 3 [pid 7577] <... memfd_create resumed>) = 3 [ 271.173766][ T7574] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.180468][ T7573] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.194042][ T7571] REISERFS (device loop2): using ordered data mode [ 271.205750][ T7573] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 271.221097][ T7573] REISERFS (device loop5): using ordered data mode [ 271.228081][ T7573] reiserfs: using flush barriers [pid 7578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7578] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7577] <... mmap resumed>) = 0x7f8a1b2e3000 [ 271.236884][ T7574] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 271.247182][ T7574] REISERFS (device loop1): using ordered data mode [ 271.253733][ T7574] reiserfs: using flush barriers [ 271.257185][ T7573] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.259985][ T7571] reiserfs: using flush barriers [ 271.277066][ T7572] REISERFS (device loop4): Using r5 hash to sort names [ 271.279820][ T7574] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.308421][ T7572] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 271.316273][ T7571] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7578] 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"..., 4194304 [ 271.337700][ T7574] REISERFS (device loop1): checking transaction log (loop1) [ 271.347126][ T7571] REISERFS (device loop2): checking transaction log (loop2) [ 271.352711][ T7573] REISERFS (device loop5): checking transaction log (loop5) [ 271.362085][ T7574] REISERFS (device loop1): Using r5 hash to sort names [ 271.370223][ T7571] REISERFS (device loop2): Using r5 hash to sort names [ 271.375830][ T7572] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7577] 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"..., 4194304 [pid 7572] <... mount resumed>) = 0 [pid 7572] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7572] chdir("./file0") = 0 [pid 7572] ioctl(4, LOOP_CLR_FD) = 0 [ 271.386477][ T7574] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 271.400258][ T7571] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 271.413265][ T7573] REISERFS (device loop5): Using r5 hash to sort names [ 271.426413][ T7574] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7572] close(4) = 0 [pid 7572] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7572] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7572] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7572] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7572] exit_group(0) = ? [pid 7574] <... mount resumed>) = 0 [pid 7571] <... mount resumed>) = 0 [pid 7572] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7572, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5073] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7578] <... write resumed>) = 4194304 [pid 5073] <... openat resumed>) = 3 [pid 7574] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7571] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] fstat(3, [pid 7573] <... mount resumed>) = 0 [pid 7578] munmap(0x7f8a1b2e3000, 4194304 [pid 7574] <... openat resumed>) = 3 [pid 7571] <... openat resumed>) = 3 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7573] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7578] <... munmap resumed>) = 0 [pid 7574] chdir("./file0" [pid 7571] chdir("./file0" [pid 5073] getdents64(3, [pid 7578] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7574] <... chdir resumed>) = 0 [pid 7573] <... openat resumed>) = 3 [pid 7571] <... chdir resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7578] <... openat resumed>) = 4 [pid 7577] <... write resumed>) = 4194304 [pid 7574] ioctl(4, LOOP_CLR_FD [pid 7573] chdir("./file0" [pid 7571] ioctl(4, LOOP_CLR_FD [pid 5073] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7578] ioctl(4, LOOP_SET_FD, 3 [pid 7577] munmap(0x7f8a1b2e3000, 4194304 [pid 7574] <... ioctl resumed>) = 0 [ 271.436753][ T7571] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 271.456819][ T7573] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 271.471911][ T7573] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7573] <... chdir resumed>) = 0 [pid 7571] <... ioctl resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7577] <... munmap resumed>) = 0 [pid 7574] close(4 [pid 7573] ioctl(4, LOOP_CLR_FD [pid 7571] close(4 [pid 7577] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7574] <... close resumed>) = 0 [pid 7573] <... ioctl resumed>) = 0 [pid 7571] <... close resumed>) = 0 [pid 7577] <... openat resumed>) = 4 [pid 7574] mkdir(NULL, 000 [pid 7573] close(4 [pid 7571] mkdir(NULL, 000 [pid 7577] ioctl(4, LOOP_SET_FD, 3 [pid 7574] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7573] <... close resumed>) = 0 [pid 7571] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7574] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7573] mkdir(NULL, 000 [pid 7571] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] lstat("./209/binderfs", [pid 7574] <... openat resumed>) = 4 [pid 7573] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7571] <... openat resumed>) = 4 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7577] <... ioctl resumed>) = 0 [pid 5073] unlink("./209/binderfs" [pid 7574] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7573] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7571] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... unlink resumed>) = 0 [pid 7577] close(3 [pid 7574] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7573] <... openat resumed>) = 4 [pid 7571] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7577] <... close resumed>) = 0 [pid 7574] mount(NULL, "./bus", NULL, 0, NULL [pid 7573] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7571] mount(NULL, "./bus", NULL, 0, NULL [pid 7577] mkdir("./file0", 0777 [pid 7574] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7573] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7571] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7577] <... mkdir resumed>) = 0 [pid 7574] exit_group(0 [pid 7573] mount(NULL, "./bus", NULL, 0, NULL [pid 7571] exit_group(0 [pid 7577] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7574] <... exit_group resumed>) = ? [pid 7573] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7571] <... exit_group resumed>) = ? [pid 7574] +++ exited with 0 +++ [pid 7573] exit_group(0 [pid 7571] +++ exited with 0 +++ [pid 7573] <... exit_group resumed>) = ? [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7571, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7573] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7574, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=17 /* 0.17 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7573, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5071] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... restart_syscall resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] fstat(3, [pid 7578] <... ioctl resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 271.495965][ T7578] loop3: detected capacity change from 0 to 8192 [ 271.499389][ T7577] loop0: detected capacity change from 0 to 8192 [ 271.525689][ T7577] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7578] close(3 [pid 5071] getdents64(3, [pid 5070] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7578] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... openat resumed>) = 3 [pid 7578] mkdir("./file0", 0777 [pid 5074] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] fstat(3, [pid 7578] <... mkdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7578] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] lstat("./206/binderfs", [pid 5070] getdents64(3, [pid 5074] <... openat resumed>) = 3 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] unlink("./206/binderfs" [pid 5074] fstat(3, [pid 5071] <... unlink resumed>) = 0 [pid 5070] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5070] lstat("./205/binderfs", [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./205/binderfs" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... unlink resumed>) = 0 [pid 5074] lstat("./210/binderfs", [pid 5070] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./210/binderfs") = 0 [ 271.539665][ T7577] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 271.549346][ T7577] REISERFS (device loop0): using ordered data mode [ 271.555882][ T7577] reiserfs: using flush barriers [ 271.568572][ T7577] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.585541][ T7577] REISERFS (device loop0): checking transaction log (loop0) [pid 5074] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./209/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./209/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./209") = 0 [pid 5073] mkdir("./210", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 271.612391][ T7578] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.633458][ T7577] REISERFS (device loop0): Using r5 hash to sort names [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7583 [ 271.669087][ T7578] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 271.675555][ T7577] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 271.679188][ T7578] REISERFS (device loop3): using ordered data mode [ 271.697809][ T7578] reiserfs: using flush barriers ./strace-static-x86_64: Process 7583 attached [pid 5071] <... umount2 resumed>) = 0 [pid 7583] chdir("./210" [pid 5071] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7583] <... chdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] lstat("./206/file0", [pid 7583] <... prctl resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7583] setpgid(0, 0 [pid 5071] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7583] <... setpgid resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7583] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 4 [pid 7583] write(3, "1000", 4 [pid 7577] <... mount resumed>) = 0 [pid 5071] fstat(4, [pid 7583] <... write resumed>) = 4 [pid 7577] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... umount2 resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7583] close(3 [pid 5071] getdents64(4, [pid 7583] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7583] symlink("/dev/binderfs", "./binderfs" [pid 5071] getdents64(4, [pid 7583] <... symlink resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7583] memfd_create("syzkaller", 0 [pid 5071] close(4 [pid 7583] <... memfd_create resumed>) = 3 [pid 7577] <... openat resumed>) = 3 [pid 5074] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 7583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7577] chdir("./file0" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 271.707740][ T7578] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.722421][ T7577] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 271.754478][ T7578] REISERFS (device loop3): checking transaction log (loop3) [pid 5071] rmdir("./206/file0" [pid 7583] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7577] <... chdir resumed>) = 0 [pid 5074] lstat("./210/file0", [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 7577] ioctl(4, LOOP_CLR_FD [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./206" [pid 7578] <... mount resumed>) = 0 [pid 7577] <... ioctl resumed>) = 0 [pid 5074] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 5070] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7578] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7577] close(4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] mkdir("./207", 0777 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7583] 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"..., 4194304 [pid 7578] <... openat resumed>) = 3 [pid 7577] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... mkdir resumed>) = 0 [pid 5070] lstat("./205/file0", [pid 7578] chdir("./file0" [pid 7577] mkdir(NULL, 000 [pid 5074] <... openat resumed>) = 4 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7578] <... chdir resumed>) = 0 [pid 7577] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] fstat(4, [pid 5070] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7578] ioctl(4, LOOP_CLR_FD [pid 7577] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7578] <... ioctl resumed>) = 0 [pid 7577] <... openat resumed>) = 4 [pid 5074] getdents64(4, [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7578] close(4 [pid 7577] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... openat resumed>) = 4 [pid 7578] <... close resumed>) = 0 [pid 7577] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] fstat(4, [pid 7578] mkdir(NULL, 000 [pid 7577] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7578] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7577] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] close(4 [pid 5071] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 7578] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7577] exit_group(0 [pid 5074] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7578] <... openat resumed>) = 4 [pid 7577] <... exit_group resumed>) = ? [ 271.779655][ T7578] REISERFS (device loop3): Using r5 hash to sort names [ 271.797470][ T7578] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 271.811811][ T7578] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] rmdir("./210/file0" [pid 5070] getdents64(4, [pid 7578] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7577] +++ exited with 0 +++ [pid 5074] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7578] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7584 [pid 5070] close(4 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7577, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7578] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = 0 [pid 7578] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] close(3 [pid 5070] rmdir("./205/file0" [pid 7578] exit_group(0 [pid 5074] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 7578] <... exit_group resumed>) = ? [pid 5074] rmdir("./210" [pid 5070] getdents64(3, [pid 5069] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7578] +++ exited with 0 +++ [pid 5074] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] mkdir("./211", 0777 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7578, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5070] close(3 [pid 5069] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7584 attached [pid 5074] <... mkdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] rmdir("./205" [pid 5069] <... openat resumed>) = 3 [pid 7584] chdir("./207" [pid 5074] <... openat resumed>) = 3 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] fstat(3, [pid 7584] <... chdir resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5070] mkdir("./206", 0777 [pid 7584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7584] <... prctl resumed>) = 0 [pid 5074] close(3 [pid 5072] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] getdents64(3, [pid 7584] setpgid(0, 0 [pid 5074] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7584] <... setpgid resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7585 [pid 5072] <... openat resumed>) = 3 [pid 5070] close(3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7584] <... openat resumed>) = 3 [pid 5072] fstat(3, [pid 5070] <... close resumed>) = 0 [pid 5069] lstat("./202/binderfs", [pid 7584] write(3, "1000", 4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7584] <... write resumed>) = 4 [pid 5072] getdents64(3, [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7584] close(3 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7586 [pid 7584] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] unlink("./202/binderfs" [pid 7584] symlink("/dev/binderfs", "./binderfs" [pid 5072] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7585 attached [pid 7584] <... symlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... unlink resumed>) = 0 [pid 7585] chdir("./211" [pid 7584] memfd_create("syzkaller", 0 [pid 5072] lstat("./207/binderfs", [pid 5069] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7585] <... chdir resumed>) = 0 [pid 7584] <... memfd_create resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] unlink("./207/binderfs" [pid 7585] <... prctl resumed>) = 0 [pid 7585] setpgid(0, 0) = 0 [pid 7585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] <... unlink resumed>) = 0 [pid 7585] write(3, "1000", 4) = 4 [pid 7585] close(3) = 0 [pid 7585] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7585] memfd_create("syzkaller", 0 [pid 5072] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7585] <... memfd_create resumed>) = 3 [pid 7585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7584] <... mmap resumed>) = 0x7f8a1b2e3000 ./strace-static-x86_64: Process 7586 attached [pid 7586] chdir("./206") = 0 [pid 7586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7586] setpgid(0, 0) = 0 [pid 7586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7586] write(3, "1000", 4) = 4 [pid 7586] close(3) = 0 [pid 7586] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7586] memfd_create("syzkaller", 0) = 3 [pid 7586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7583] <... write resumed>) = 4194304 [pid 7583] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7583] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7583] ioctl(4, LOOP_SET_FD, 3 [pid 7585] 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"..., 4194304 [pid 7583] <... ioctl resumed>) = 0 [pid 7583] close(3) = 0 [pid 7583] mkdir("./file0", 0777) = 0 [ 271.963237][ T7583] loop4: detected capacity change from 0 to 8192 [pid 7583] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7586] 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"..., 4194304 [pid 7584] 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"..., 4194304 [pid 5069] <... umount2 resumed>) = 0 [ 272.007149][ T7583] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./207/file0", [pid 5069] lstat("./202/file0", [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 272.048889][ T7583] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 272.070692][ T7583] REISERFS (device loop4): using ordered data mode [ 272.090919][ T7583] reiserfs: using flush barriers [pid 5072] <... openat resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] fstat(4, [pid 5069] <... openat resumed>) = 4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] fstat(4, [pid 5072] getdents64(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7584] <... write resumed>) = 4194304 [ 272.097640][ T7583] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.121701][ T7583] REISERFS (device loop4): checking transaction log (loop4) [ 272.130438][ T7583] REISERFS (device loop4): Using r5 hash to sort names [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7584] munmap(0x7f8a1b2e3000, 4194304 [pid 5069] getdents64(4, [pid 5072] getdents64(4, [pid 7584] <... munmap resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5072] close(4 [pid 7584] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5072] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7585] <... write resumed>) = 4194304 [pid 7585] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7585] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7584] <... openat resumed>) = 4 [pid 5072] rmdir("./207/file0" [pid 5069] close(4 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 7584] ioctl(4, LOOP_SET_FD, 3 [pid 7585] <... openat resumed>) = 4 [pid 7585] ioctl(4, LOOP_SET_FD, 3 [pid 5069] rmdir("./202/file0" [pid 7586] <... write resumed>) = 4194304 [pid 7584] <... ioctl resumed>) = 0 [pid 7583] <... mount resumed>) = 0 [pid 5072] getdents64(3, [pid 5069] <... rmdir resumed>) = 0 [pid 7586] munmap(0x7f8a1b2e3000, 4194304 [pid 7585] <... ioctl resumed>) = 0 [pid 7584] close(3 [pid 7583] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7585] close(3 [pid 7584] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 7584] mkdir("./file0", 0777 [pid 5072] close(3 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7585] <... close resumed>) = 0 [pid 7584] <... mkdir resumed>) = 0 [pid 5069] close(3 [pid 5072] <... close resumed>) = 0 [pid 7585] mkdir("./file0", 0777 [pid 5069] <... close resumed>) = 0 [pid 5072] rmdir("./207" [pid 7584] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5069] rmdir("./202" [pid 7585] <... mkdir resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 7585] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7586] <... munmap resumed>) = 0 [pid 5072] mkdir("./208", 0777 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] mkdir("./203", 0777 [pid 7586] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] <... mkdir resumed>) = 0 [pid 7583] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... mkdir resumed>) = 0 [pid 7583] chdir("./file0" [pid 7586] <... openat resumed>) = 4 [pid 7586] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7583] <... chdir resumed>) = 0 [pid 7586] <... ioctl resumed>) = 0 [pid 7583] ioctl(4, LOOP_CLR_FD [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] close(3 [pid 7583] <... ioctl resumed>) = 0 [pid 5069] close(3 [pid 7583] close(4 [pid 5072] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 7583] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7583] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7590 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7591 [pid 7583] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7583] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [ 272.138650][ T7583] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.154247][ T7583] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 272.166487][ T7584] loop2: detected capacity change from 0 to 8192 [ 272.167553][ T7585] loop5: detected capacity change from 0 to 8192 [ 272.189597][ T7586] loop1: detected capacity change from 0 to 8192 [pid 7583] mount(NULL, "./bus", NULL, 0, NULL./strace-static-x86_64: Process 7591 attached ./strace-static-x86_64: Process 7590 attached [pid 7586] close(3 [pid 7583] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7591] chdir("./203" [pid 7590] chdir("./208" [pid 7586] <... close resumed>) = 0 [pid 7583] exit_group(0 [pid 7591] <... chdir resumed>) = 0 [pid 7590] <... chdir resumed>) = 0 [pid 7586] mkdir("./file0", 0777 [pid 7583] <... exit_group resumed>) = ? [pid 7591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7586] <... mkdir resumed>) = 0 [pid 7583] +++ exited with 0 +++ [pid 7591] <... prctl resumed>) = 0 [pid 7590] <... prctl resumed>) = 0 [pid 7586] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 272.212436][ T7584] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.225888][ T7585] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.252934][ T7585] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 7591] setpgid(0, 0 [pid 7590] setpgid(0, 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7583, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7591] <... setpgid resumed>) = 0 [pid 7590] <... setpgid resumed>) = 0 [pid 7591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7591] <... openat resumed>) = 3 [pid 7590] <... openat resumed>) = 3 [pid 7591] write(3, "1000", 4 [pid 7590] write(3, "1000", 4 [pid 7591] <... write resumed>) = 4 [pid 7590] <... write resumed>) = 4 [pid 7591] close(3 [pid 7590] close(3 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 7591] <... close resumed>) = 0 [pid 7590] <... close resumed>) = 0 [pid 7591] symlink("/dev/binderfs", "./binderfs" [pid 7590] symlink("/dev/binderfs", "./binderfs" [pid 7591] <... symlink resumed>) = 0 [pid 7590] <... symlink resumed>) = 0 [pid 5073] <... restart_syscall resumed>) = 0 [pid 7591] memfd_create("syzkaller", 0 [pid 7590] memfd_create("syzkaller", 0 [pid 7591] <... memfd_create resumed>) = 3 [pid 7590] <... memfd_create resumed>) = 3 [pid 7591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7591] <... mmap resumed>) = 0x7f8a1b2e3000 [ 272.253597][ T7586] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.263045][ T7585] REISERFS (device loop5): using ordered data mode [ 272.282583][ T7585] reiserfs: using flush barriers [ 272.288937][ T7584] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7590] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7591] 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"..., 4194304 [pid 5073] <... openat resumed>) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./210/binderfs") = 0 [ 272.298810][ T7585] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.317110][ T7586] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 272.317377][ T7584] REISERFS (device loop2): using ordered data mode [ 272.326379][ T7586] REISERFS (device loop1): using ordered data mode [ 272.326391][ T7586] reiserfs: using flush barriers [ 272.345133][ T7586] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.352822][ T7585] REISERFS (device loop5): checking transaction log (loop5) [ 272.361753][ T7584] reiserfs: using flush barriers [ 272.375430][ T7586] REISERFS (device loop1): checking transaction log (loop1) [ 272.382876][ T7584] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.399992][ T7585] REISERFS (device loop5): Using r5 hash to sort names [ 272.407395][ T7586] REISERFS (device loop1): Using r5 hash to sort names [ 272.414584][ T7586] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.416369][ T7584] REISERFS (device loop2): checking transaction log (loop2) [ 272.427814][ T7585] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.447521][ T7586] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7590] 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"..., 4194304 [pid 7586] <... mount resumed>) = 0 [pid 7586] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7586] chdir("./file0") = 0 [pid 7586] ioctl(4, LOOP_CLR_FD [pid 7585] <... mount resumed>) = 0 [pid 7586] <... ioctl resumed>) = 0 [pid 7585] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7586] close(4 [pid 7585] <... openat resumed>) = 3 [ 272.457210][ T7585] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7586] <... close resumed>) = 0 [pid 7586] mkdir(NULL, 000 [pid 7585] chdir("./file0" [pid 7586] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7585] <... chdir resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 7586] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7585] ioctl(4, LOOP_CLR_FD [pid 7586] <... openat resumed>) = 4 [pid 7585] <... ioctl resumed>) = 0 [pid 5073] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7586] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7585] close(4 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7586] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7585] <... close resumed>) = 0 [pid 5073] lstat("./210/file0", [pid 7591] <... write resumed>) = 4194304 [pid 7591] munmap(0x7f8a1b2e3000, 4194304 [pid 7586] mount(NULL, "./bus", NULL, 0, NULL [pid 7585] mkdir(NULL, 000 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7586] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7585] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7586] exit_group(0 [pid 7585] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7586] <... exit_group resumed>) = ? [pid 7585] <... openat resumed>) = 4 [pid 5073] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7586] +++ exited with 0 +++ [pid 5073] <... openat resumed>) = 4 [pid 7585] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] fstat(4, [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7586, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 7585] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 7585] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] getdents64(4, [pid 5070] <... restart_syscall resumed>) = 0 [pid 5070] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7585] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7585] exit_group(0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7585] <... exit_group resumed>) = ? [pid 5073] getdents64(4, [pid 5070] <... openat resumed>) = 3 [pid 5070] fstat(3, [pid 7591] <... munmap resumed>) = 0 [pid 7585] +++ exited with 0 +++ [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7591] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7585, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5073] close(4 [pid 5070] getdents64(3, [pid 7591] <... openat resumed>) = 4 [pid 5073] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [ 272.507729][ T7584] REISERFS (device loop2): Using r5 hash to sort names [ 272.515037][ T7584] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7591] ioctl(4, LOOP_SET_FD, 3 [pid 5073] rmdir("./210/file0" [pid 5070] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7591] <... ioctl resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] getdents64(3, [pid 5070] lstat("./206/binderfs", [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] close(3 [pid 5070] unlink("./206/binderfs" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] rmdir("./210" [pid 5070] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 3 [pid 5073] <... rmdir resumed>) = 0 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, [pid 5073] mkdir("./211", 0777 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7590] <... write resumed>) = 4194304 [pid 5074] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... mkdir resumed>) = 0 [pid 7590] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] lstat("./211/binderfs", [pid 5073] <... openat resumed>) = 3 [pid 7590] <... munmap resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 7590] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] unlink("./211/binderfs" [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7591] close(3 [pid 5074] <... unlink resumed>) = 0 [pid 7591] <... close resumed>) = 0 [pid 5074] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] close(3 [pid 7591] mkdir("./file0", 0777 [pid 7590] <... openat resumed>) = 4 [pid 5073] <... close resumed>) = 0 [pid 7591] <... mkdir resumed>) = 0 [pid 7590] ioctl(4, LOOP_SET_FD, 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 272.568852][ T7591] loop0: detected capacity change from 0 to 8192 [ 272.589006][ T7584] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7591] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7593 attached [pid 7590] <... ioctl resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7593 [pid 7593] chdir("./211") = 0 [pid 7590] close(3 [pid 7593] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7590] <... close resumed>) = 0 [pid 7593] <... prctl resumed>) = 0 [pid 7590] mkdir("./file0", 0777 [pid 7593] setpgid(0, 0) = 0 [pid 7590] <... mkdir resumed>) = 0 [pid 7593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7590] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7593] <... openat resumed>) = 3 [ 272.620681][ T7590] loop3: detected capacity change from 0 to 8192 [ 272.625959][ T7591] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7593] write(3, "1000", 4 [pid 5074] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5074] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7593] <... write resumed>) = 4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7593] close(3 [pid 7584] <... mount resumed>) = 0 [pid 5074] lstat("./211/file0", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7593] <... close resumed>) = 0 [pid 7584] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] lstat("./206/file0", [pid 7593] symlink("/dev/binderfs", "./binderfs" [pid 7584] <... openat resumed>) = 3 [pid 5074] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 4 [pid 5070] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] fstat(4, [pid 5070] <... openat resumed>) = 4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] fstat(4, [pid 7593] <... symlink resumed>) = 0 [pid 7584] chdir("./file0" [pid 5074] getdents64(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 5074] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7593] memfd_create("syzkaller", 0 [pid 7584] <... chdir resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [ 272.665330][ T7590] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.687495][ T7590] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 272.697710][ T7590] REISERFS (device loop3): using ordered data mode [ 272.701660][ T7591] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5070] getdents64(4, [pid 5074] close(4 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... close resumed>) = 0 [pid 5070] close(4 [pid 5074] rmdir("./211/file0" [pid 5070] <... close resumed>) = 0 [pid 7593] <... memfd_create resumed>) = 3 [pid 7584] ioctl(4, LOOP_CLR_FD [pid 5074] <... rmdir resumed>) = 0 [pid 5070] rmdir("./206/file0" [pid 5074] getdents64(3, [pid 5070] <... rmdir resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(3, [pid 5074] close(3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7584] <... ioctl resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5070] close(3 [pid 7593] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7584] close(4 [pid 5074] rmdir("./211" [pid 5070] <... close resumed>) = 0 [pid 7584] <... close resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5070] rmdir("./206" [pid 7584] mkdir(NULL, 000 [ 272.704770][ T7590] reiserfs: using flush barriers [ 272.720971][ T7590] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.737530][ T7590] REISERFS (device loop3): checking transaction log (loop3) [ 272.745941][ T7590] REISERFS (device loop3): Using r5 hash to sort names [pid 5074] mkdir("./212", 0777 [pid 5070] <... rmdir resumed>) = 0 [pid 7584] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... mkdir resumed>) = 0 [pid 5070] mkdir("./207", 0777 [pid 7584] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] <... mkdir resumed>) = 0 [pid 7584] <... openat resumed>) = 4 [pid 5074] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7584] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 3 [pid 7584] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7584] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] close(3 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7590] <... mount resumed>) = 0 [pid 7584] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... close resumed>) = 0 [pid 5070] close(3 [pid 7590] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7584] exit_group(0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... close resumed>) = 0 [pid 7584] <... exit_group resumed>) = ? [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7584] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7596 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7584, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7597 [pid 5071] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 7597 attached ./strace-static-x86_64: Process 7596 attached [pid 5071] fstat(3, [pid 7597] chdir("./207" [pid 7596] chdir("./212" [pid 7590] <... openat resumed>) = 3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7597] <... chdir resumed>) = 0 [pid 7596] <... chdir resumed>) = 0 [pid 5071] getdents64(3, [pid 7597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7590] chdir("./file0" [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7597] <... prctl resumed>) = 0 [pid 7596] <... prctl resumed>) = 0 [pid 7590] <... chdir resumed>) = 0 [pid 5071] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7597] setpgid(0, 0 [pid 7596] setpgid(0, 0 [pid 7590] ioctl(4, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7597] <... setpgid resumed>) = 0 [pid 7596] <... setpgid resumed>) = 0 [pid 5071] lstat("./207/binderfs", [pid 7597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 272.753533][ T7590] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 272.766444][ T7590] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 272.776072][ T7591] REISERFS (device loop0): using ordered data mode [ 272.782730][ T7591] reiserfs: using flush barriers [ 272.789253][ T7591] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7597] <... openat resumed>) = 3 [pid 7596] <... openat resumed>) = 3 [pid 7590] <... ioctl resumed>) = 0 [pid 5071] unlink("./207/binderfs" [pid 7597] write(3, "1000", 4 [pid 7596] write(3, "1000", 4 [pid 5071] <... unlink resumed>) = 0 [pid 7597] <... write resumed>) = 4 [pid 7596] <... write resumed>) = 4 [pid 5071] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7597] close(3 [pid 7596] close(3 [pid 7597] <... close resumed>) = 0 [pid 7596] <... close resumed>) = 0 [pid 7597] symlink("/dev/binderfs", "./binderfs" [pid 7596] symlink("/dev/binderfs", "./binderfs" [pid 7590] close(4 [pid 7597] <... symlink resumed>) = 0 [pid 7596] <... symlink resumed>) = 0 [pid 7597] memfd_create("syzkaller", 0 [pid 7596] memfd_create("syzkaller", 0 [pid 7597] <... memfd_create resumed>) = 3 [pid 7596] <... memfd_create resumed>) = 3 [pid 7593] 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"..., 4194304 [pid 7597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7597] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7596] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7590] <... close resumed>) = 0 [ 272.826896][ T7591] REISERFS (device loop0): checking transaction log (loop0) [pid 7590] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7590] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7590] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7590] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7590] exit_group(0) = ? [pid 7590] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7590, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5072] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 272.867445][ T7591] REISERFS (device loop0): Using r5 hash to sort names [ 272.874589][ T7591] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./208/binderfs" [pid 5071] <... umount2 resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5072] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7597] 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"..., 4194304 [pid 7591] <... mount resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7591] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] lstat("./207/file0", [pid 7596] 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"..., 4194304 [pid 7591] <... openat resumed>) = 3 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7591] chdir("./file0" [pid 5071] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7591] <... chdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7591] ioctl(4, LOOP_CLR_FD [pid 5071] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7591] <... ioctl resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 7593] <... write resumed>) = 4194304 [pid 7591] close(4 [pid 5071] fstat(4, [pid 7591] <... close resumed>) = 0 [pid 7591] mkdir(NULL, 000 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7591] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] getdents64(4, [ 272.941078][ T7591] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7591] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7593] munmap(0x7f8a1b2e3000, 4194304 [pid 7591] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] getdents64(4, [pid 7593] <... munmap resumed>) = 0 [pid 7591] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7593] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7591] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] close(4 [pid 7591] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7593] <... openat resumed>) = 4 [pid 7591] exit_group(0 [pid 5071] <... close resumed>) = 0 [pid 7593] ioctl(4, LOOP_SET_FD, 3 [pid 7591] <... exit_group resumed>) = ? [pid 5071] rmdir("./207/file0" [pid 7591] +++ exited with 0 +++ [pid 5071] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7591, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5071] close(3 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./207" [pid 5069] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7593] <... ioctl resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7597] <... write resumed>) = 4194304 [pid 7593] close(3 [pid 5072] <... umount2 resumed>) = 0 [pid 5071] mkdir("./208", 0777 [pid 5069] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7597] munmap(0x7f8a1b2e3000, 4194304 [pid 7593] <... close resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 7597] <... munmap resumed>) = 0 [pid 7593] mkdir("./file0", 0777 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] fstat(3, [pid 7597] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7593] <... mkdir resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... openat resumed>) = 3 [pid 7597] <... openat resumed>) = 4 [pid 7593] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] getdents64(3, [pid 7597] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 273.023462][ T7593] loop4: detected capacity change from 0 to 8192 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./203/binderfs") = 0 [pid 5069] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7597] <... ioctl resumed>) = 0 [pid 7596] <... write resumed>) = 4194304 [pid 5072] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] close(3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./208/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... close resumed>) = 0 [pid 7597] close(3 [pid 7596] munmap(0x7f8a1b2e3000, 4194304 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7597] <... close resumed>) = 0 [pid 7596] <... munmap resumed>) = 0 [pid 7597] mkdir("./file0", 0777 [pid 7596] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7599 [pid 7597] <... mkdir resumed>) = 0 [pid 7596] <... openat resumed>) = 4 [pid 5072] <... openat resumed>) = 4 [pid 7597] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7596] ioctl(4, LOOP_SET_FD, 3 [pid 5072] fstat(4, [pid 7596] <... ioctl resumed>) = 0 [pid 7596] close(3) = 0 [pid 7596] mkdir("./file0", 0777) = 0 [pid 7596] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 273.068012][ T7597] loop1: detected capacity change from 0 to 8192 [ 273.080592][ T7593] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.102237][ T7596] loop5: detected capacity change from 0 to 8192 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./208/file0") = 0 [pid 5072] getdents64(3, ./strace-static-x86_64: Process 7599 attached [pid 7599] chdir("./208" [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7599] <... chdir resumed>) = 0 [pid 5072] close(3 [pid 7599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... close resumed>) = 0 [pid 7599] <... prctl resumed>) = 0 [pid 5072] rmdir("./208" [pid 7599] setpgid(0, 0) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 7599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] mkdir("./209", 0777 [pid 7599] <... openat resumed>) = 3 [pid 7599] write(3, "1000", 4) = 4 [pid 5072] <... mkdir resumed>) = 0 [pid 7599] close(3) = 0 [ 273.112588][ T7593] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7599] symlink("/dev/binderfs", "./binderfs" [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7599] <... symlink resumed>) = 0 [pid 7599] memfd_create("syzkaller", 0) = 3 [pid 7599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5072] <... openat resumed>) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5069] <... umount2 resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./203/file0", [pid 5072] close(3 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7602 [pid 5069] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7602 attached [pid 5069] getdents64(4, [pid 7602] chdir("./209" [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7602] <... chdir resumed>) = 0 [pid 7602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7602] setpgid(0, 0) = 0 [pid 7602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] getdents64(4, [pid 7602] write(3, "1000", 4) = 4 [pid 7602] close(3) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 7602] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./203/file0" [pid 7602] <... symlink resumed>) = 0 [pid 7602] memfd_create("syzkaller", 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 7602] <... memfd_create resumed>) = 3 [ 273.142119][ T7596] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.155891][ T7597] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.175600][ T7593] REISERFS (device loop4): using ordered data mode [pid 7602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7599] 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"..., 4194304 [pid 5069] <... close resumed>) = 0 [pid 7602] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] rmdir("./203") = 0 [pid 5069] mkdir("./204", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 273.200661][ T7597] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 273.206636][ T7596] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 273.216502][ T7593] reiserfs: using flush barriers [ 273.229821][ T7593] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5069] close(3) = 0 [pid 7599] <... write resumed>) = 4194304 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7599] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7599] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7603 [pid 7599] <... openat resumed>) = 4 [pid 7599] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7603 attached ) = 0 [pid 7603] chdir("./204" [pid 7599] close(3) = 0 [pid 7599] mkdir("./file0", 0777 [pid 7603] <... chdir resumed>) = 0 [pid 7599] <... mkdir resumed>) = 0 [pid 7603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7603] setpgid(0, 0 [pid 7599] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7603] <... setpgid resumed>) = 0 [pid 7603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7603] write(3, "1000", 4) = 4 [pid 7603] close(3) = 0 [ 273.247677][ T7596] REISERFS (device loop5): using ordered data mode [ 273.259794][ T7597] REISERFS (device loop1): using ordered data mode [ 273.265696][ T7593] REISERFS (device loop4): checking transaction log (loop4) [ 273.278667][ T7599] loop2: detected capacity change from 0 to 8192 [ 273.280479][ T7596] reiserfs: using flush barriers [ 273.286064][ T7597] reiserfs: using flush barriers [pid 7603] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7603] memfd_create("syzkaller", 0) = 3 [pid 7603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 273.309595][ T7599] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.316069][ T7596] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.337451][ T7599] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 273.347975][ T7593] REISERFS (device loop4): Using r5 hash to sort names [pid 7602] 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"..., 4194304 [ 273.355094][ T7593] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 273.368177][ T7597] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.396722][ T7599] REISERFS (device loop2): using ordered data mode [ 273.404559][ T7599] reiserfs: using flush barriers [ 273.410996][ T7597] REISERFS (device loop1): checking transaction log (loop1) [ 273.412379][ T7593] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 273.419344][ T7596] REISERFS (device loop5): checking transaction log (loop5) [ 273.427554][ T7599] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.451650][ T7599] REISERFS (device loop2): checking transaction log (loop2) [pid 7603] 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"..., 4194304 [pid 7593] <... mount resumed>) = 0 [ 273.460795][ T7599] REISERFS (device loop2): Using r5 hash to sort names [ 273.466680][ T7596] REISERFS (device loop5): Using r5 hash to sort names [ 273.468209][ T7597] REISERFS (device loop1): Using r5 hash to sort names [ 273.474785][ T7596] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 273.482223][ T7599] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7603] <... write resumed>) = 4194304 [pid 7602] <... write resumed>) = 4194304 [pid 7593] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7603] munmap(0x7f8a1b2e3000, 4194304 [pid 7602] munmap(0x7f8a1b2e3000, 4194304 [pid 7603] <... munmap resumed>) = 0 [pid 7593] <... openat resumed>) = 3 [pid 7603] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7602] <... munmap resumed>) = 0 [pid 7593] chdir("./file0" [pid 7603] ioctl(4, LOOP_SET_FD, 3 [pid 7602] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7593] <... chdir resumed>) = 0 [pid 7603] <... ioctl resumed>) = 0 [pid 7603] close(3) = 0 [pid 7603] mkdir("./file0", 0777) = 0 [pid 7602] <... openat resumed>) = 4 [pid 7593] ioctl(4, LOOP_CLR_FD) = 0 [pid 7602] ioctl(4, LOOP_SET_FD, 3 [pid 7593] close(4 [pid 7603] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7596] <... mount resumed>) = 0 [pid 7596] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7593] <... close resumed>) = 0 [pid 7596] <... openat resumed>) = 3 [pid 7596] chdir("./file0" [pid 7593] mkdir(NULL, 000 [pid 7596] <... chdir resumed>) = 0 [pid 7593] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7593] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7596] ioctl(4, LOOP_CLR_FD) = 0 [pid 7596] close(4) = 0 [pid 7593] <... openat resumed>) = 4 [pid 7593] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7596] mkdir(NULL, 000 [pid 7593] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [ 273.507926][ T7597] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 273.511282][ T7596] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 273.521549][ T7597] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 273.541233][ T7603] loop0: detected capacity change from 0 to 8192 [ 273.553020][ T7602] loop3: detected capacity change from 0 to 8192 [pid 7596] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7593] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7596] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7593] exit_group(0) = ? [pid 7596] <... openat resumed>) = 4 [pid 7596] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7596] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7593] +++ exited with 0 +++ [pid 7596] exit_group(0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7593, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7596] <... exit_group resumed>) = ? [pid 7597] <... mount resumed>) = 0 [pid 7597] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7596] +++ exited with 0 +++ [pid 7597] chdir("./file0") = 0 [pid 7597] ioctl(4, LOOP_CLR_FD) = 0 [pid 7597] close(4) = 0 [pid 7597] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7597] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7597] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7597] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7597] exit_group(0) = ? [pid 7597] +++ exited with 0 +++ [pid 7602] <... ioctl resumed>) = 0 [pid 7599] <... mount resumed>) = 0 [pid 5073] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7597, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 7602] close(3 [pid 7599] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7596, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7602] <... close resumed>) = 0 [pid 7599] <... openat resumed>) = 3 [pid 5073] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7602] mkdir("./file0", 0777 [pid 7599] chdir("./file0" [pid 5073] <... openat resumed>) = 3 [ 273.564847][ T7599] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 273.586518][ T7603] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5070] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7602] <... mkdir resumed>) = 0 [pid 7599] <... chdir resumed>) = 0 [pid 5074] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] fstat(3, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7602] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7599] ioctl(4, LOOP_CLR_FD [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7599] <... ioctl resumed>) = 0 [pid 7599] close(4 [pid 5074] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] getdents64(3, [pid 5070] <... openat resumed>) = 3 [pid 7599] <... close resumed>) = 0 [ 273.606971][ T7603] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 273.618792][ T7602] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.620536][ T7603] REISERFS (device loop0): using ordered data mode [ 273.640140][ T7603] reiserfs: using flush barriers [ 273.646443][ T7602] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7599] mkdir(NULL, 000 [pid 5074] <... openat resumed>) = 3 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] fstat(3, [pid 7599] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] fstat(3, [pid 5073] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7599] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7599] <... openat resumed>) = 4 [pid 5074] getdents64(3, [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7599] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] getdents64(3, [pid 7599] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] lstat("./211/binderfs", [pid 7599] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] lstat("./212/binderfs", [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7599] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] unlink("./211/binderfs" [pid 7599] exit_group(0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7599] <... exit_group resumed>) = ? [pid 5074] unlink("./212/binderfs" [pid 5073] <... unlink resumed>) = 0 [pid 5070] lstat("./207/binderfs", [pid 7599] +++ exited with 0 +++ [pid 5074] <... unlink resumed>) = 0 [pid 5073] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./207/binderfs" [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7599, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5070] <... unlink resumed>) = 0 [pid 5071] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./208/binderfs") = 0 [ 273.656525][ T7603] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.673352][ T7602] REISERFS (device loop3): using ordered data mode [ 273.690647][ T7602] reiserfs: using flush barriers [ 273.719266][ T7603] REISERFS (device loop0): checking transaction log (loop0) [ 273.740163][ T7602] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.753170][ T7603] REISERFS (device loop0): Using r5 hash to sort names [ 273.757154][ T7602] REISERFS (device loop3): checking transaction log (loop3) [pid 5071] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7603] <... mount resumed>) = 0 [pid 7603] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7603] chdir("./file0") = 0 [pid 7603] ioctl(4, LOOP_CLR_FD) = 0 [pid 7603] close(4 [pid 5070] <... umount2 resumed>) = 0 [pid 7603] <... close resumed>) = 0 [pid 7603] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7603] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 273.772074][ T7603] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 273.785874][ T7603] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 273.810793][ T7602] REISERFS (device loop3): Using r5 hash to sort names [pid 7603] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./207/file0", [pid 7603] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7603] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7603] exit_group(0 [pid 5071] lstat("./208/file0", [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7603] <... exit_group resumed>) = ? [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7603] +++ exited with 0 +++ [pid 5074] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7603, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5074] lstat("./212/file0", [pid 5071] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... openat resumed>) = 4 [pid 5071] <... openat resumed>) = 4 [pid 5070] fstat(4, [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] fstat(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(4, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 5074] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5074] <... openat resumed>) = 4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 5074] fstat(4, [pid 5071] close(4 [pid 5069] fstat(3, [pid 5071] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5071] rmdir("./208/file0" [pid 5070] rmdir("./207/file0" [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 273.852493][ T7602] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5074] getdents64(4, [pid 5073] <... umount2 resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4 [pid 5073] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, [pid 5070] getdents64(3, [pid 5074] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] rmdir("./212/file0") = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7602] <... mount resumed>) = 0 [pid 5074] getdents64(3, [pid 5073] lstat("./211/file0", [pid 5071] close(3 [pid 7602] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7602] <... openat resumed>) = 3 [pid 5074] close(3 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... close resumed>) = 0 [pid 7602] chdir("./file0" [pid 5074] <... close resumed>) = 0 [pid 5073] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] rmdir("./208" [pid 5070] <... close resumed>) = 0 [pid 5069] lstat("./204/binderfs", [pid 7602] <... chdir resumed>) = 0 [pid 5074] rmdir("./212" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... rmdir resumed>) = 0 [pid 5070] rmdir("./207" [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7602] ioctl(4, LOOP_CLR_FD [pid 5074] <... rmdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] mkdir("./209", 0777 [pid 5070] <... rmdir resumed>) = 0 [pid 7602] <... ioctl resumed>) = 0 [pid 5074] mkdir("./213", 0777 [pid 5073] <... openat resumed>) = 4 [pid 5069] unlink("./204/binderfs" [pid 7602] close(4 [pid 5074] <... mkdir resumed>) = 0 [pid 5073] fstat(4, [pid 5071] <... mkdir resumed>) = 0 [pid 5070] mkdir("./208", 0777 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5069] <... unlink resumed>) = 0 [pid 7602] <... close resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] <... mkdir resumed>) = 0 [pid 5069] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7602] mkdir(NULL, 000 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] getdents64(4, [pid 5071] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7602] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 3 [pid 7602] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] close(3 [pid 5073] getdents64(4, [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7602] <... openat resumed>) = 4 [pid 5074] <... close resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7602] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] close(4 [pid 5071] <... close resumed>) = 0 [pid 5070] close(3 [pid 7602] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... close resumed>) = 0 [pid 7602] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7607 [pid 5073] rmdir("./211/file0" [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7602] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... rmdir resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7608 [pid 7602] exit_group(0 [pid 5073] getdents64(3, [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7609 [pid 7602] <... exit_group resumed>) = ? [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7607 attached ./strace-static-x86_64: Process 7609 attached [pid 7602] +++ exited with 0 +++ [pid 5073] close(3 [pid 7609] chdir("./208" [pid 7607] chdir("./213" [pid 5073] <... close resumed>) = 0 ./strace-static-x86_64: Process 7608 attached [pid 7609] <... chdir resumed>) = 0 [pid 7607] <... chdir resumed>) = 0 [pid 5073] rmdir("./211" [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7602, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [ 273.899579][ T7602] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7608] chdir("./209" [pid 7607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... rmdir resumed>) = 0 [pid 5072] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7609] <... prctl resumed>) = 0 [pid 7608] <... chdir resumed>) = 0 [pid 7607] <... prctl resumed>) = 0 [pid 5073] mkdir("./212", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7609] setpgid(0, 0 [pid 7608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7607] setpgid(0, 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7609] <... setpgid resumed>) = 0 [pid 7608] <... prctl resumed>) = 0 [pid 7607] <... setpgid resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] <... openat resumed>) = 3 [pid 7609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7608] setpgid(0, 0 [pid 7607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... openat resumed>) = 3 [pid 5072] fstat(3, [pid 7609] <... openat resumed>) = 3 [pid 7608] <... setpgid resumed>) = 0 [pid 7607] <... openat resumed>) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7609] write(3, "1000", 4 [pid 7608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7607] write(3, "1000", 4 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] getdents64(3, [pid 7609] <... write resumed>) = 4 [pid 7608] <... openat resumed>) = 3 [pid 7607] <... write resumed>) = 4 [pid 5073] close(3 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7609] close(3 [pid 7608] write(3, "1000", 4 [pid 7607] close(3 [pid 5073] <... close resumed>) = 0 [pid 5072] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7609] <... close resumed>) = 0 [pid 7608] <... write resumed>) = 4 [pid 7607] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7609] symlink("/dev/binderfs", "./binderfs" [pid 7608] close(3 [pid 7607] symlink("/dev/binderfs", "./binderfs" [pid 5072] lstat("./209/binderfs", [pid 5069] <... umount2 resumed>) = 0 [pid 7609] <... symlink resumed>) = 0 [pid 7608] <... close resumed>) = 0 [pid 7607] <... symlink resumed>) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7610 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7609] memfd_create("syzkaller", 0 [pid 7608] symlink("/dev/binderfs", "./binderfs" [pid 7607] memfd_create("syzkaller", 0 [pid 5072] unlink("./209/binderfs" [pid 5069] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7610 attached [pid 7609] <... memfd_create resumed>) = 3 [pid 7608] <... symlink resumed>) = 0 [pid 7607] <... memfd_create resumed>) = 3 [pid 5072] <... unlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7610] chdir("./212" [pid 7609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7608] memfd_create("syzkaller", 0 [pid 7607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7610] <... chdir resumed>) = 0 [pid 7609] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7608] <... memfd_create resumed>) = 3 [pid 7607] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] lstat("./204/file0", [pid 7610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7610] <... prctl resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7610] setpgid(0, 0) = 0 [pid 5069] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7610] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7610] write(3, "1000", 4) = 4 [pid 5069] <... openat resumed>) = 4 [pid 7610] close(3 [pid 5069] fstat(4, [pid 7610] <... close resumed>) = 0 [pid 7610] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7610] <... symlink resumed>) = 0 [pid 5069] getdents64(4, [pid 7610] memfd_create("syzkaller", 0) = 3 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] getdents64(4, [pid 7610] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./204/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./204") = 0 [pid 5069] mkdir("./205", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 7609] 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"..., 4194304 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7611 ./strace-static-x86_64: Process 7611 attached [pid 7611] chdir("./205") = 0 [pid 7611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7611] setpgid(0, 0) = 0 [pid 7608] 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"..., 4194304 [pid 7611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7607] 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"..., 4194304 [pid 7611] <... openat resumed>) = 3 [pid 7611] write(3, "1000", 4) = 4 [pid 7611] close(3) = 0 [pid 7611] symlink("/dev/binderfs", "./binderfs" [pid 7610] 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"..., 4194304 [pid 7611] <... symlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 7611] memfd_create("syzkaller", 0 [pid 5072] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7611] <... memfd_create resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] lstat("./209/file0", [pid 7611] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./209/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./209") = 0 [pid 5072] mkdir("./210", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7612 ./strace-static-x86_64: Process 7612 attached [pid 7612] chdir("./210") = 0 [pid 7612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7612] setpgid(0, 0) = 0 [pid 7612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7612] write(3, "1000", 4) = 4 [pid 7612] close(3) = 0 [pid 7612] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7612] memfd_create("syzkaller", 0) = 3 [pid 7612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7609] <... write resumed>) = 4194304 [pid 7612] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7611] 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"..., 4194304 [pid 7609] munmap(0x7f8a1b2e3000, 4194304 [pid 7608] <... write resumed>) = 4194304 [pid 7607] <... write resumed>) = 4194304 [pid 7609] <... munmap resumed>) = 0 [pid 7607] munmap(0x7f8a1b2e3000, 4194304 [pid 7609] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7610] <... write resumed>) = 4194304 [pid 7609] <... openat resumed>) = 4 [pid 7607] <... munmap resumed>) = 0 [pid 7609] ioctl(4, LOOP_SET_FD, 3 [pid 7607] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7610] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7610] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7608] munmap(0x7f8a1b2e3000, 4194304 [pid 7610] <... openat resumed>) = 4 [pid 7608] <... munmap resumed>) = 0 [pid 7610] ioctl(4, LOOP_SET_FD, 3 [pid 7608] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7607] <... openat resumed>) = 4 [pid 7609] <... ioctl resumed>) = 0 [pid 7608] <... openat resumed>) = 4 [pid 7607] ioctl(4, LOOP_SET_FD, 3 [pid 7608] ioctl(4, LOOP_SET_FD, 3 [pid 7612] 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"..., 4194304 [pid 7609] close(3 [pid 7607] <... ioctl resumed>) = 0 [pid 7609] <... close resumed>) = 0 [pid 7607] close(3 [pid 7609] mkdir("./file0", 0777 [pid 7607] <... close resumed>) = 0 [pid 7609] <... mkdir resumed>) = 0 [pid 7607] mkdir("./file0", 0777 [pid 7609] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7607] <... mkdir resumed>) = 0 [pid 7607] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7608] <... ioctl resumed>) = 0 [pid 7608] close(3 [pid 7610] <... ioctl resumed>) = 0 [pid 7608] <... close resumed>) = 0 [pid 7610] close(3) = 0 [ 274.281128][ T7609] loop1: detected capacity change from 0 to 8192 [ 274.290454][ T7610] loop4: detected capacity change from 0 to 8192 [ 274.300791][ T7607] loop5: detected capacity change from 0 to 8192 [ 274.302054][ T7608] loop2: detected capacity change from 0 to 8192 [pid 7608] mkdir("./file0", 0777 [pid 7610] mkdir("./file0", 0777 [pid 7608] <... mkdir resumed>) = 0 [pid 7610] <... mkdir resumed>) = 0 [pid 7608] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 274.332516][ T7607] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.346678][ T7609] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.360171][ T7608] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7610] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7611] <... write resumed>) = 4194304 [pid 7611] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7611] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 274.376406][ T7610] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.379148][ T7609] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 274.398842][ T7607] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 274.409031][ T7608] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 274.414502][ T7610] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7611] ioctl(4, LOOP_SET_FD, 3 [pid 7612] <... write resumed>) = 4194304 [pid 7612] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7612] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7612] ioctl(4, LOOP_SET_FD, 3 [pid 7611] <... ioctl resumed>) = 0 [pid 7611] close(3) = 0 [ 274.418421][ T7608] REISERFS (device loop2): using ordered data mode [ 274.431145][ T7611] loop0: detected capacity change from 0 to 8192 [ 274.433945][ T7608] reiserfs: using flush barriers [ 274.435086][ T7608] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.460200][ T7612] loop3: detected capacity change from 0 to 8192 [ 274.461795][ T7608] REISERFS (device loop2): checking transaction log (loop2) [ 274.473633][ T7607] REISERFS (device loop5): using ordered data mode [pid 7611] mkdir("./file0", 0777) = 0 [pid 7611] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7612] <... ioctl resumed>) = 0 [pid 7612] close(3) = 0 [pid 7612] mkdir("./file0", 0777) = 0 [ 274.476039][ T7608] REISERFS (device loop2): Using r5 hash to sort names [ 274.489480][ T7611] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.496182][ T7610] REISERFS (device loop4): using ordered data mode [ 274.502825][ T7608] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 274.514140][ T7607] reiserfs: using flush barriers [ 274.521978][ T7611] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 274.529391][ T7609] REISERFS (device loop1): using ordered data mode [ 274.536133][ T7611] REISERFS (device loop0): using ordered data mode [ 274.544751][ T7610] reiserfs: using flush barriers [ 274.549314][ T7611] reiserfs: using flush barriers [ 274.554516][ T7612] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7612] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7608] <... mount resumed>) = 0 [pid 7608] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7608] chdir("./file0") = 0 [pid 7608] ioctl(4, LOOP_CLR_FD) = 0 [pid 7608] close(4) = 0 [pid 7608] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7608] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7608] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7608] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7608] exit_group(0) = ? [pid 7608] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7608, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [ 274.560211][ T7611] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.574199][ T7608] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 274.589989][ T7611] REISERFS (device loop0): checking transaction log (loop0) [ 274.607423][ T7607] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5071] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [ 274.624656][ T7610] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.625297][ T7612] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 274.641474][ T7609] reiserfs: using flush barriers [ 274.650158][ T7612] REISERFS (device loop3): using ordered data mode [ 274.662058][ T7612] reiserfs: using flush barriers [pid 5071] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./209/binderfs") = 0 [ 274.668952][ T7612] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.687009][ T7612] REISERFS (device loop3): checking transaction log (loop3) [ 274.695626][ T7611] REISERFS (device loop0): Using r5 hash to sort names [ 274.702148][ T7607] REISERFS (device loop5): checking transaction log (loop5) [ 274.703203][ T7612] REISERFS (device loop3): Using r5 hash to sort names [ 274.710563][ T7609] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.717134][ T7611] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 274.747124][ T7610] REISERFS (device loop4): checking transaction log (loop4) [ 274.766884][ T7612] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5071] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5071] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./209/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./209/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./209") = 0 [pid 5071] mkdir("./210", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3 [pid 7612] <... mount resumed>) = 0 [ 274.774721][ T7607] REISERFS (device loop5): Using r5 hash to sort names [ 274.780184][ T7612] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 274.795974][ T7610] REISERFS (device loop4): Using r5 hash to sort names [ 274.803085][ T7609] REISERFS (device loop1): checking transaction log (loop1) [ 274.803787][ T7611] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 274.820420][ T7610] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7612] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7612] <... openat resumed>) = 3 [pid 7611] <... mount resumed>) = 0 [pid 7610] <... mount resumed>) = 0 [pid 7612] chdir("./file0" [pid 7611] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7610] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7619 [pid 7611] <... openat resumed>) = 3 [pid 7612] <... chdir resumed>) = 0 [pid 7610] <... openat resumed>) = 3 [pid 7612] ioctl(4, LOOP_CLR_FD [pid 7611] chdir("./file0" [pid 7612] <... ioctl resumed>) = 0 [pid 7610] chdir("./file0" [pid 7611] <... chdir resumed>) = 0 [pid 7612] close(4 [pid 7610] <... chdir resumed>) = 0 [pid 7611] ioctl(4, LOOP_CLR_FD [pid 7612] <... close resumed>) = 0 [pid 7610] ioctl(4, LOOP_CLR_FD [pid 7611] <... ioctl resumed>) = 0 [pid 7610] <... ioctl resumed>) = 0 [pid 7612] mkdir(NULL, 000 [pid 7611] close(4 [pid 7610] close(4 [pid 7612] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7611] <... close resumed>) = 0 [pid 7610] <... close resumed>) = 0 ./strace-static-x86_64: Process 7619 attached [pid 7619] chdir("./210") = 0 [pid 7619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7619] setpgid(0, 0) = 0 [pid 7619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7619] write(3, "1000", 4) = 4 [pid 7619] close(3) = 0 [pid 7619] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7612] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7611] mkdir(NULL, 000 [pid 7610] mkdir(NULL, 000 [pid 7611] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7610] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7612] <... openat resumed>) = 4 [pid 7611] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7610] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7619] memfd_create("syzkaller", 0) = 3 [ 274.834553][ T7610] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 274.839091][ T7607] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 274.846093][ T7609] REISERFS (device loop1): Using r5 hash to sort names [ 274.869425][ T7609] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7612] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7611] <... openat resumed>) = 4 [pid 7610] <... openat resumed>) = 4 [pid 7609] <... mount resumed>) = 0 [pid 7619] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7612] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7611] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7610] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7609] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7612] mount(NULL, "./bus", NULL, 0, NULL [pid 7611] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7610] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7609] <... openat resumed>) = 3 [pid 7612] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7611] mount(NULL, "./bus", NULL, 0, NULL [pid 7610] mount(NULL, "./bus", NULL, 0, NULL [pid 7609] chdir("./file0" [pid 7612] exit_group(0 [pid 7611] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7610] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7612] <... exit_group resumed>) = ? [pid 7611] exit_group(0 [pid 7609] <... chdir resumed>) = 0 [pid 7611] <... exit_group resumed>) = ? [pid 7610] exit_group(0 [pid 7609] ioctl(4, LOOP_CLR_FD [pid 7612] +++ exited with 0 +++ [pid 7609] <... ioctl resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7612, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7609] close(4 [pid 7610] <... exit_group resumed>) = ? [pid 7611] +++ exited with 0 +++ [pid 7609] <... close resumed>) = 0 [pid 7610] +++ exited with 0 +++ [pid 7609] mkdir(NULL, 000 [pid 7607] <... mount resumed>) = 0 [pid 7609] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7610, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5072] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7611, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 7609] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7607] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7609] <... openat resumed>) = 4 [pid 7607] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7609] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7607] chdir("./file0" [pid 5073] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 7609] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7607] <... chdir resumed>) = 0 [pid 5069] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7609] mount(NULL, "./bus", NULL, 0, NULL [pid 7607] ioctl(4, LOOP_CLR_FD [pid 5073] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7609] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] fstat(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7607] <... ioctl resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 7607] close(4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7609] exit_group(0 [pid 7607] <... close resumed>) = 0 [pid 7607] mkdir(NULL, 000 [pid 5073] fstat(3, [pid 5072] getdents64(3, [pid 7609] <... exit_group resumed>) = ? [pid 5069] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7609] +++ exited with 0 +++ [pid 7607] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... openat resumed>) = 3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7609, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7607] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] getdents64(3, [pid 5072] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(3, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7607] <... openat resumed>) = 4 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7607] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] lstat("./210/binderfs", [pid 5070] fstat(3, [pid 5069] getdents64(3, [pid 7607] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7607] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] lstat("./212/binderfs", [pid 5072] unlink("./210/binderfs" [pid 5070] getdents64(3, [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7607] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... unlink resumed>) = 0 [ 274.886889][ T7609] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 274.896583][ T7607] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7619] 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"..., 4194304 [pid 7607] exit_group(0 [pid 5073] unlink("./212/binderfs" [pid 5072] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./208/binderfs") = 0 [pid 7607] <... exit_group resumed>) = ? [pid 5070] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7607] +++ exited with 0 +++ [pid 5073] <... unlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7607, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5073] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] lstat("./205/binderfs", [pid 5074] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] unlink("./205/binderfs" [pid 5074] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... unlink resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5074] fstat(3, [pid 5069] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./213/binderfs") = 0 [pid 5074] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./210/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, [pid 5070] <... umount2 resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./210/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5070] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] rmdir("./210" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... rmdir resumed>) = 0 [pid 5070] lstat("./208/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, [pid 5072] mkdir("./211", 0777 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... mkdir resumed>) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./208/file0") = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] <... umount2 resumed>) = 0 [pid 5070] getdents64(3, [pid 5074] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] <... openat resumed>) = 3 [pid 5074] lstat("./213/file0", [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(3 [pid 5070] close(3 [pid 5074] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] <... close resumed>) = 0 [pid 5074] fstat(4, [pid 5070] <... close resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] rmdir("./208" [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5074] rmdir("./213/file0" [pid 5070] mkdir("./209", 0777 [pid 5074] <... rmdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7620 [pid 5074] <... close resumed>) = 0 [pid 5074] rmdir("./213" [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5074] <... rmdir resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] mkdir("./214", 0777 [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... mkdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7621 [pid 5074] <... openat resumed>) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = 0 [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7622 ./strace-static-x86_64: Process 7620 attached ./strace-static-x86_64: Process 7621 attached [pid 7621] chdir("./209" [pid 7620] chdir("./211" [pid 5069] <... umount2 resumed>) = 0 [pid 7621] <... chdir resumed>) = 0 [pid 7620] <... chdir resumed>) = 0 [pid 7621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7621] <... prctl resumed>) = 0 [pid 7620] <... prctl resumed>) = 0 [pid 7621] setpgid(0, 0 [pid 7620] setpgid(0, 0 [pid 7621] <... setpgid resumed>) = 0 [pid 7620] <... setpgid resumed>) = 0 [pid 7621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7621] <... openat resumed>) = 3 [pid 7620] <... openat resumed>) = 3 [pid 7621] write(3, "1000", 4 [pid 7620] write(3, "1000", 4 [pid 7621] <... write resumed>) = 4 [pid 7620] <... write resumed>) = 4 [pid 7621] close(3 [pid 7620] close(3./strace-static-x86_64: Process 7622 attached [pid 7621] <... close resumed>) = 0 [pid 7620] <... close resumed>) = 0 [pid 7621] symlink("/dev/binderfs", "./binderfs" [pid 7620] symlink("/dev/binderfs", "./binderfs" [pid 7622] chdir("./214" [pid 7621] <... symlink resumed>) = 0 [pid 7620] <... symlink resumed>) = 0 [pid 7619] <... write resumed>) = 4194304 [pid 5069] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7622] <... chdir resumed>) = 0 [pid 7621] memfd_create("syzkaller", 0 [pid 7620] memfd_create("syzkaller", 0 [pid 7622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7621] <... memfd_create resumed>) = 3 [pid 7620] <... memfd_create resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7621] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7622] <... prctl resumed>) = 0 [pid 7621] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7620] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] lstat("./205/file0", [pid 7622] setpgid(0, 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7622] <... setpgid resumed>) = 0 [pid 5069] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7619] munmap(0x7f8a1b2e3000, 4194304 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7622] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 4 [pid 7622] write(3, "1000", 4 [pid 7619] <... munmap resumed>) = 0 [pid 5073] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(4, [pid 7622] <... write resumed>) = 4 [pid 7619] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7622] close(3 [pid 7619] <... openat resumed>) = 4 [pid 5073] lstat("./212/file0", [pid 5069] getdents64(4, [pid 7622] <... close resumed>) = 0 [pid 7619] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7622] symlink("/dev/binderfs", "./binderfs" [pid 5073] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7622] <... symlink resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(4) = 0 [pid 7622] memfd_create("syzkaller", 0 [pid 5073] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] rmdir("./205/file0" [pid 7622] <... memfd_create resumed>) = 3 [pid 5073] <... openat resumed>) = 4 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./205") = 0 [pid 5069] mkdir("./206", 0777 [pid 7622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] fstat(4, [pid 5069] <... mkdir resumed>) = 0 [pid 7622] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7623 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7619] <... ioctl resumed>) = 0 [pid 7619] close(3 [pid 5073] close(4./strace-static-x86_64: Process 7623 attached [pid 7619] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 7623] chdir("./206" [pid 7619] mkdir("./file0", 0777 [pid 5073] rmdir("./212/file0" [pid 7623] <... chdir resumed>) = 0 [pid 7619] <... mkdir resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 7623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7619] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] getdents64(3, [pid 7623] <... prctl resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7623] setpgid(0, 0 [pid 5073] close(3 [pid 7623] <... setpgid resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 7623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] rmdir("./212" [pid 7623] <... openat resumed>) = 3 [pid 7623] write(3, "1000", 4) = 4 [pid 7623] close(3 [pid 5073] <... rmdir resumed>) = 0 [pid 7623] <... close resumed>) = 0 [pid 5073] mkdir("./213", 0777 [pid 7623] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7623] memfd_create("syzkaller", 0 [pid 5073] <... mkdir resumed>) = 0 [pid 7623] <... memfd_create resumed>) = 3 [ 275.152362][ T7619] loop2: detected capacity change from 0 to 8192 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... openat resumed>) = 3 [pid 7623] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7625 ./strace-static-x86_64: Process 7625 attached [pid 7625] chdir("./213" [pid 7620] 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"..., 4194304 [pid 7625] <... chdir resumed>) = 0 [pid 7621] 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"..., 4194304 [pid 7625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7625] setpgid(0, 0) = 0 [ 275.218090][ T7619] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7623] 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"..., 4194304 [pid 7625] write(3, "1000", 4) = 4 [pid 7625] close(3) = 0 [pid 7625] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7625] memfd_create("syzkaller", 0) = 3 [pid 7625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 275.261420][ T7619] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7620] <... write resumed>) = 4194304 [pid 7620] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7620] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7622] 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"..., 4194304 [pid 7620] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7620] close(3) = 0 [pid 7620] mkdir("./file0", 0777) = 0 [ 275.310752][ T7619] REISERFS (device loop2): using ordered data mode [ 275.336486][ T7620] loop3: detected capacity change from 0 to 8192 [ 275.339069][ T7619] reiserfs: using flush barriers [pid 7620] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7623] <... write resumed>) = 4194304 [pid 7622] <... write resumed>) = 4194304 [pid 7623] munmap(0x7f8a1b2e3000, 4194304 [pid 7622] munmap(0x7f8a1b2e3000, 4194304 [pid 7623] <... munmap resumed>) = 0 [pid 7623] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7622] <... munmap resumed>) = 0 [pid 7623] ioctl(4, LOOP_SET_FD, 3 [pid 7622] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7623] <... ioctl resumed>) = 0 [ 275.367736][ T7620] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 275.382868][ T7619] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.402426][ T7623] loop0: detected capacity change from 0 to 8192 [ 275.403283][ T7619] REISERFS (device loop2): checking transaction log (loop2) [pid 7622] ioctl(4, LOOP_SET_FD, 3 [pid 7623] close(3 [pid 7622] <... ioctl resumed>) = 0 [pid 7623] <... close resumed>) = 0 [pid 7623] mkdir("./file0", 0777) = 0 [pid 7623] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7622] close(3) = 0 [pid 7622] mkdir("./file0", 0777) = 0 [pid 7622] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7625] 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"..., 4194304 [pid 7621] <... write resumed>) = 4194304 [pid 7621] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7621] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 275.417807][ T7622] loop5: detected capacity change from 0 to 8192 [ 275.426622][ T7620] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 275.437922][ T7623] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 275.452151][ T7622] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7621] ioctl(4, LOOP_SET_FD, 3) = 0 [ 275.455578][ T7621] loop1: detected capacity change from 0 to 8192 [ 275.472879][ T7619] REISERFS (device loop2): Using r5 hash to sort names [ 275.480671][ T7620] REISERFS (device loop3): using ordered data mode [ 275.481021][ T7619] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.488042][ T7623] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 275.500400][ T7619] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7625] <... write resumed>) = 4194304 [pid 7621] close(3 [pid 7619] <... mount resumed>) = 0 [pid 7625] munmap(0x7f8a1b2e3000, 4194304 [pid 7619] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7625] <... munmap resumed>) = 0 [pid 7625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7619] <... openat resumed>) = 3 [pid 7625] <... openat resumed>) = 4 [pid 7619] chdir("./file0" [pid 7625] ioctl(4, LOOP_SET_FD, 3 [pid 7619] <... chdir resumed>) = 0 [pid 7621] <... close resumed>) = 0 [pid 7621] mkdir("./file0", 0777) = 0 [pid 7621] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7625] <... ioctl resumed>) = 0 [pid 7619] ioctl(4, LOOP_CLR_FD [pid 7625] close(3) = 0 [pid 7619] <... ioctl resumed>) = 0 [ 275.510364][ T7622] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 275.527885][ T7620] reiserfs: using flush barriers [ 275.536130][ T7625] loop4: detected capacity change from 0 to 8192 [ 275.545277][ T7621] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7625] mkdir("./file0", 0777 [pid 7619] close(4 [pid 7625] <... mkdir resumed>) = 0 [pid 7619] <... close resumed>) = 0 [pid 7625] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7619] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7619] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 275.558392][ T7620] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.560133][ T7621] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 275.575860][ T7620] REISERFS (device loop3): checking transaction log (loop3) [ 275.585512][ T7621] REISERFS (device loop1): using ordered data mode [ 275.593885][ T7622] REISERFS (device loop5): using ordered data mode [ 275.607384][ T7623] REISERFS (device loop0): using ordered data mode [pid 7619] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7619] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7619] exit_group(0) = ? [ 275.616617][ T7621] reiserfs: using flush barriers [ 275.617156][ T7625] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 275.624268][ T7623] reiserfs: using flush barriers [ 275.635917][ T7622] reiserfs: using flush barriers [ 275.639944][ T7621] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.661474][ T7621] REISERFS (device loop1): checking transaction log (loop1) [pid 7619] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7619, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5071] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./210/binderfs") = 0 [ 275.669740][ T7625] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 275.670680][ T7621] REISERFS (device loop1): Using r5 hash to sort names [ 275.679036][ T7625] REISERFS (device loop4): using ordered data mode [ 275.692809][ T7625] reiserfs: using flush barriers [ 275.700190][ T7625] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.705329][ T7620] REISERFS (device loop3): Using r5 hash to sort names [ 275.717023][ T7625] REISERFS (device loop4): checking transaction log (loop4) [ 275.724579][ T7622] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.747043][ T7623] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.763935][ T7625] REISERFS (device loop4): Using r5 hash to sort names [ 275.766803][ T7621] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.771090][ T7625] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.785692][ T7620] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.799285][ T7623] REISERFS (device loop0): checking transaction log (loop0) [pid 5071] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7625] <... mount resumed>) = 0 [ 275.818854][ T7621] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 275.828611][ T7622] REISERFS (device loop5): checking transaction log (loop5) [ 275.836472][ T7625] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 275.846956][ T7623] REISERFS (device loop0): Using r5 hash to sort names [pid 7625] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7625] chdir("./file0" [pid 7621] <... mount resumed>) = 0 [pid 7625] <... chdir resumed>) = 0 [pid 7625] ioctl(4, LOOP_CLR_FD [pid 7621] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./210/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7625] <... ioctl resumed>) = 0 [pid 7621] <... openat resumed>) = 3 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 7625] close(4 [pid 7621] chdir("./file0" [pid 5071] rmdir("./210/file0" [pid 7625] <... close resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 7625] mkdir(NULL, 000 [pid 7621] <... chdir resumed>) = 0 [pid 5071] getdents64(3, [pid 7625] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7621] ioctl(4, LOOP_CLR_FD [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7625] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7621] <... ioctl resumed>) = 0 [pid 5071] close(3 [pid 7625] <... openat resumed>) = 4 [pid 7621] close(4 [pid 5071] <... close resumed>) = 0 [pid 7625] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7621] <... close resumed>) = 0 [ 275.865500][ T7623] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.880046][ T7622] REISERFS (device loop5): Using r5 hash to sort names [ 275.887764][ T7622] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 275.899688][ T7620] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 275.901904][ T7623] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] rmdir("./210" [pid 7625] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... rmdir resumed>) = 0 [pid 5071] mkdir("./211", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7625] mount(NULL, "./bus", NULL, 0, NULL [pid 7621] mkdir(NULL, 000 [pid 7625] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7621] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7631 [pid 7625] exit_group(0 [pid 7623] <... mount resumed>) = 0 [pid 7622] <... mount resumed>) = 0 [pid 7621] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7625] <... exit_group resumed>) = ? [pid 7623] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7622] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7621] <... openat resumed>) = 4 [pid 7620] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7631 attached [pid 7625] +++ exited with 0 +++ [pid 7623] <... openat resumed>) = 3 [pid 7622] <... openat resumed>) = 3 [pid 7621] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7620] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7631] chdir("./211" [pid 7623] chdir("./file0" [pid 7622] chdir("./file0" [pid 7621] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7620] <... openat resumed>) = 3 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7625, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 7631] <... chdir resumed>) = 0 [pid 7620] chdir("./file0" [pid 7631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7620] <... chdir resumed>) = 0 [pid 7631] <... prctl resumed>) = 0 [pid 7620] ioctl(4, LOOP_CLR_FD [pid 7631] setpgid(0, 0 [pid 7620] <... ioctl resumed>) = 0 [pid 7631] <... setpgid resumed>) = 0 [pid 7623] <... chdir resumed>) = 0 [pid 7622] <... chdir resumed>) = 0 [pid 7621] mount(NULL, "./bus", NULL, 0, NULL [pid 7620] close(4 [pid 7631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7623] ioctl(4, LOOP_CLR_FD [pid 7622] ioctl(4, LOOP_CLR_FD [pid 7621] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7620] <... close resumed>) = 0 [pid 5073] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7631] <... openat resumed>) = 3 [pid 7623] <... ioctl resumed>) = 0 [pid 7622] <... ioctl resumed>) = 0 [pid 7621] exit_group(0 [pid 7620] mkdir(NULL, 000 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7631] write(3, "1000", 4 [pid 7623] close(4 [pid 7622] close(4 [pid 7621] <... exit_group resumed>) = ? [pid 7620] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7631] <... write resumed>) = 4 [pid 7623] <... close resumed>) = 0 [pid 7622] <... close resumed>) = 0 [pid 7620] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... openat resumed>) = 3 [pid 7631] close(3 [pid 7623] mkdir(NULL, 000 [pid 7622] mkdir(NULL, 000 [pid 7621] +++ exited with 0 +++ [pid 7620] <... openat resumed>) = 4 [pid 5073] fstat(3, [pid 7631] <... close resumed>) = 0 [pid 7623] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7622] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7620] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7621, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7631] symlink("/dev/binderfs", "./binderfs" [pid 7623] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7622] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7620] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] getdents64(3, [pid 7631] <... symlink resumed>) = 0 [pid 7623] <... openat resumed>) = 4 [pid 7622] <... openat resumed>) = 4 [pid 7620] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [ 275.931033][ T7622] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7631] memfd_create("syzkaller", 0 [pid 7623] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7622] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7620] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7631] <... memfd_create resumed>) = 3 [pid 7623] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7622] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7620] exit_group(0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7620] <... exit_group resumed>) = ? [pid 5073] lstat("./213/binderfs", [pid 5070] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7631] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7623] mount(NULL, "./bus", NULL, 0, NULL [pid 7622] mount(NULL, "./bus", NULL, 0, NULL [pid 7620] +++ exited with 0 +++ [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... openat resumed>) = 3 [pid 7623] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7622] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] unlink("./213/binderfs" [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7620, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5070] fstat(3, [pid 7623] exit_group(0 [pid 7622] exit_group(0 [pid 5073] <... unlink resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7623] <... exit_group resumed>) = ? [pid 7622] <... exit_group resumed>) = ? [pid 5073] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [pid 7623] +++ exited with 0 +++ [pid 7622] +++ exited with 0 +++ [pid 5072] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7622, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 s */} --- [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7623, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5072] <... openat resumed>) = 3 [pid 5070] lstat("./209/binderfs", [pid 5069] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] fstat(3, [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] unlink("./209/binderfs" [pid 5069] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(3, [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(3, [pid 5074] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(3, [pid 5074] fstat(3, [pid 5072] lstat("./211/binderfs", [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(3, [pid 5072] unlink("./211/binderfs" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... unlink resumed>) = 0 [pid 5069] lstat("./206/binderfs", [pid 5074] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] unlink("./206/binderfs" [pid 5074] lstat("./214/binderfs", [pid 5069] <... unlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./214/binderfs") = 0 [pid 5074] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7631] 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"..., 4194304 [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./209/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./209/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./209") = 0 [pid 5070] mkdir("./210", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./213/file0", [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./213/file0") = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./213") = 0 [pid 5073] mkdir("./214", 0777) = 0 [pid 5070] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... openat resumed>) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7632 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7633 ./strace-static-x86_64: Process 7633 attached [pid 7633] chdir("./214") = 0 [pid 7633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7633] setpgid(0, 0./strace-static-x86_64: Process 7632 attached ) = 0 [pid 7633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7632] chdir("./210" [pid 7631] <... write resumed>) = 4194304 [pid 5069] <... umount2 resumed>) = 0 [pid 7633] <... openat resumed>) = 3 [pid 7631] munmap(0x7f8a1b2e3000, 4194304 [pid 7633] write(3, "1000", 4 [pid 7632] <... chdir resumed>) = 0 [pid 7631] <... munmap resumed>) = 0 [pid 7633] <... write resumed>) = 4 [pid 7631] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7633] close(3 [pid 7631] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7633] <... close resumed>) = 0 [pid 7632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7631] ioctl(4, LOOP_SET_FD, 3 [pid 7633] symlink("/dev/binderfs", "./binderfs" [pid 7632] <... prctl resumed>) = 0 [pid 5069] lstat("./206/file0", [pid 7633] <... symlink resumed>) = 0 [pid 7632] setpgid(0, 0 [pid 7633] memfd_create("syzkaller", 0 [pid 7632] <... setpgid resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7633] <... memfd_create resumed>) = 3 [pid 7632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7632] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7633] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7632] write(3, "1000", 4 [pid 5069] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7632] <... write resumed>) = 4 [pid 5069] <... openat resumed>) = 4 [pid 7632] close(3 [pid 5069] fstat(4, [pid 7632] <... close resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7632] symlink("/dev/binderfs", "./binderfs" [pid 5069] getdents64(4, [pid 7632] <... symlink resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7632] memfd_create("syzkaller", 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5069] getdents64(4, [pid 7632] <... memfd_create resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] close(4 [pid 7632] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7631] <... ioctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./206/file0") = 0 [pid 5069] getdents64(3, [pid 7631] close(3 [pid 5072] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./206") = 0 [pid 5069] mkdir("./207", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7631] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7631] mkdir("./file0", 0777 [ 276.239683][ T7631] loop2: detected capacity change from 0 to 8192 [pid 5072] lstat("./211/file0", [pid 5069] close(3 [pid 7631] <... mkdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 7631] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7635 [pid 5074] lstat("./214/file0", [pid 5072] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7635 attached [pid 7633] 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"..., 4194304 [pid 7632] 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"..., 4194304 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] fstat(4, [pid 7635] chdir("./207" [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7635] <... chdir resumed>) = 0 [pid 5072] getdents64(4, [pid 7635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7635] <... prctl resumed>) = 0 [pid 5072] getdents64(4, [pid 7635] setpgid(0, 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7635] <... setpgid resumed>) = 0 [pid 5072] close(4 [pid 7635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... close resumed>) = 0 [pid 7635] <... openat resumed>) = 3 [pid 5072] rmdir("./211/file0" [pid 7635] write(3, "1000", 4 [pid 5074] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... rmdir resumed>) = 0 [pid 7635] <... write resumed>) = 4 [pid 5072] getdents64(3, [pid 7635] close(3 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7635] <... close resumed>) = 0 [pid 5072] close(3 [pid 7635] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... close resumed>) = 0 [pid 7635] <... symlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] rmdir("./211" [pid 7635] memfd_create("syzkaller", 0 [pid 5074] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... rmdir resumed>) = 0 [pid 7635] <... memfd_create resumed>) = 3 [ 276.320570][ T7631] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.334712][ T7631] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 276.344956][ T7631] REISERFS (device loop2): using ordered data mode [ 276.352411][ T7631] reiserfs: using flush barriers [pid 5072] mkdir("./212", 0777 [pid 7635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... openat resumed>) = 4 [pid 5072] <... mkdir resumed>) = 0 [pid 7635] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7636 [pid 5074] fstat(4, ./strace-static-x86_64: Process 7636 attached [pid 7636] chdir("./212") = 0 [pid 7636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7636] setpgid(0, 0) = 0 [pid 7636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, [pid 7636] <... openat resumed>) = 3 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7636] write(3, "1000", 4) = 4 [pid 7636] close(3) = 0 [pid 7636] symlink("/dev/binderfs", "./binderfs" [pid 5074] getdents64(4, [pid 7636] <... symlink resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7636] memfd_create("syzkaller", 0) = 3 [pid 7636] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 276.361544][ T7631] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.386100][ T7631] REISERFS (device loop2): checking transaction log (loop2) [ 276.395395][ T7631] REISERFS (device loop2): Using r5 hash to sort names [ 276.403559][ T7631] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5074] close(4) = 0 [pid 5074] rmdir("./214/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./214" [pid 7631] <... mount resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 7631] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] mkdir("./215", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3 [pid 7635] 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"..., 4194304 [pid 7631] <... openat resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 7631] chdir("./file0" [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7631] <... chdir resumed>) = 0 [pid 7631] ioctl(4, LOOP_CLR_FD [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7637 [pid 7631] <... ioctl resumed>) = 0 [pid 7631] close(4) = 0 [pid 7631] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7631] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7631] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0./strace-static-x86_64: Process 7637 attached [ 276.418725][ T7631] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7636] 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"..., 4194304 [pid 7633] <... write resumed>) = 4194304 [pid 7632] <... write resumed>) = 4194304 [pid 7631] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7637] chdir("./215" [pid 7632] munmap(0x7f8a1b2e3000, 4194304 [pid 7631] mount(NULL, "./bus", NULL, 0, NULL [pid 7637] <... chdir resumed>) = 0 [pid 7632] <... munmap resumed>) = 0 [pid 7637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7631] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7632] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7637] <... prctl resumed>) = 0 [pid 7632] <... openat resumed>) = 4 [pid 7631] exit_group(0 [pid 7637] setpgid(0, 0 [pid 7632] ioctl(4, LOOP_SET_FD, 3 [pid 7631] <... exit_group resumed>) = ? [pid 7637] <... setpgid resumed>) = 0 [pid 7637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7637] write(3, "1000", 4) = 4 [pid 7637] close(3) = 0 [pid 7637] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7631] +++ exited with 0 +++ [pid 7637] memfd_create("syzkaller", 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7631, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 7637] <... memfd_create resumed>) = 3 [pid 7633] munmap(0x7f8a1b2e3000, 4194304 [pid 7637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7632] <... ioctl resumed>) = 0 [pid 7637] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7633] <... munmap resumed>) = 0 [pid 7632] close(3 [pid 7633] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7632] <... close resumed>) = 0 [pid 7633] <... openat resumed>) = 4 [pid 7632] mkdir("./file0", 0777 [pid 5071] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7633] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7632] <... mkdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7632] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] <... openat resumed>) = 3 [pid 7635] <... write resumed>) = 4194304 [pid 5071] fstat(3, [pid 7633] <... ioctl resumed>) = 0 [pid 7633] close(3) = 0 [pid 7633] mkdir("./file0", 0777) = 0 [pid 7633] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7635] munmap(0x7f8a1b2e3000, 4194304 [ 276.494324][ T7632] loop1: detected capacity change from 0 to 8192 [ 276.520136][ T7633] loop4: detected capacity change from 0 to 8192 [ 276.530044][ T7632] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5071] getdents64(3, [pid 7635] <... munmap resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7635] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7635] <... openat resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7635] ioctl(4, LOOP_SET_FD, 3 [pid 5071] lstat("./211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7635] <... ioctl resumed>) = 0 [pid 5071] unlink("./211/binderfs" [pid 7637] 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"..., 4194304 [pid 7635] close(3 [pid 5071] <... unlink resumed>) = 0 [pid 7635] <... close resumed>) = 0 [ 276.543930][ T7632] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 276.557005][ T7633] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.570998][ T7635] loop0: detected capacity change from 0 to 8192 [ 276.577999][ T7633] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5071] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7635] mkdir("./file0", 0777) = 0 [ 276.593250][ T7632] REISERFS (device loop1): using ordered data mode [ 276.601071][ T7633] REISERFS (device loop4): using ordered data mode [ 276.610510][ T7633] reiserfs: using flush barriers [ 276.611451][ T7635] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.617554][ T7632] reiserfs: using flush barriers [pid 7635] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7636] <... write resumed>) = 4194304 [pid 7636] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7636] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7636] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7636] close(3) = 0 [pid 7636] mkdir("./file0", 0777) = 0 [pid 7636] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7637] <... write resumed>) = 4194304 [pid 7637] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7637] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 276.629971][ T7633] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.651204][ T7636] loop3: detected capacity change from 0 to 8192 [ 276.658000][ T7632] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7637] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7637] close(3) = 0 [pid 7637] mkdir("./file0", 0777) = 0 [ 276.697935][ T7637] loop5: detected capacity change from 0 to 8192 [ 276.705675][ T7636] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.710256][ T7635] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 276.726698][ T7632] REISERFS (device loop1): checking transaction log (loop1) [ 276.728402][ T7635] REISERFS (device loop0): using ordered data mode [pid 7637] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./211/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 276.742836][ T7633] REISERFS (device loop4): checking transaction log (loop4) [ 276.742932][ T7637] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.751340][ T7636] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 276.763822][ T7632] REISERFS (device loop1): Using r5 hash to sort names [ 276.777805][ T7636] REISERFS (device loop3): using ordered data mode [ 276.781056][ T7633] REISERFS (device loop4): Using r5 hash to sort names [ 276.787034][ T7636] reiserfs: using flush barriers [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [ 276.801650][ T7636] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.802360][ T7633] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 276.819025][ T7636] REISERFS (device loop3): checking transaction log (loop3) [ 276.831405][ T7635] reiserfs: using flush barriers [ 276.838522][ T7637] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [ 276.853581][ T7636] REISERFS (device loop3): Using r5 hash to sort names [ 276.861095][ T7636] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 276.869040][ T7632] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 276.874258][ T7637] REISERFS (device loop5): using ordered data mode [pid 5071] rmdir("./211/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 7636] <... mount resumed>) = 0 [pid 5071] <... close resumed>) = 0 [ 276.894338][ T7635] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.894425][ T7636] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 276.920249][ T7637] reiserfs: using flush barriers [ 276.926886][ T7637] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.928130][ T7635] REISERFS (device loop0): checking transaction log (loop0) [pid 7636] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] rmdir("./211" [pid 7632] <... mount resumed>) = 0 [pid 7632] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7632] chdir("./file0") = 0 [pid 7632] ioctl(4, LOOP_CLR_FD) = 0 [pid 7636] <... openat resumed>) = 3 [pid 7632] close(4 [pid 7636] chdir("./file0" [pid 7633] <... mount resumed>) = 0 [pid 7632] <... close resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 7636] <... chdir resumed>) = 0 [pid 7633] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] mkdir("./212", 0777 [pid 7636] ioctl(4, LOOP_CLR_FD [pid 7633] <... openat resumed>) = 3 [pid 7632] mkdir(NULL, 000 [pid 5071] <... mkdir resumed>) = 0 [pid 7636] <... ioctl resumed>) = 0 [pid 7633] chdir("./file0" [pid 7632] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7636] close(4 [pid 7633] <... chdir resumed>) = 0 [pid 7632] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... openat resumed>) = 3 [pid 7636] <... close resumed>) = 0 [pid 7633] ioctl(4, LOOP_CLR_FD [pid 7632] <... openat resumed>) = 4 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7636] mkdir(NULL, 000 [pid 7633] <... ioctl resumed>) = 0 [pid 7632] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7636] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7633] close(4 [pid 7632] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] close(3 [pid 7636] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7633] <... close resumed>) = 0 [pid 7632] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... close resumed>) = 0 [pid 7636] <... openat resumed>) = 4 [pid 7633] mkdir(NULL, 000 [pid 7632] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 276.943988][ T7637] REISERFS (device loop5): checking transaction log (loop5) [ 276.952698][ T7632] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 276.958413][ T7633] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 276.978793][ T7637] REISERFS (device loop5): Using r5 hash to sort names [ 276.986156][ T7637] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7636] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7633] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7632] exit_group(0./strace-static-x86_64: Process 7643 attached [pid 7636] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7633] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7632] <... exit_group resumed>) = ? [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7643 [pid 7636] mount(NULL, "./bus", NULL, 0, NULL [pid 7633] <... openat resumed>) = 4 [pid 7632] +++ exited with 0 +++ [pid 7636] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7633] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7636] exit_group(0 [pid 7633] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7636] <... exit_group resumed>) = ? [pid 7633] mount(NULL, "./bus", NULL, 0, NULL [pid 7643] chdir("./212" [pid 7636] +++ exited with 0 +++ [pid 7633] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7643] <... chdir resumed>) = 0 [pid 7633] exit_group(0 [pid 7643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7633] <... exit_group resumed>) = ? [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7636, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7632, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7643] <... prctl resumed>) = 0 [pid 7637] <... mount resumed>) = 0 [pid 7633] +++ exited with 0 +++ [pid 7643] setpgid(0, 0 [pid 5070] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7643] <... setpgid resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7633, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5070] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... restart_syscall resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 7643] <... openat resumed>) = 3 [pid 5070] fstat(3, [pid 5072] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7643] write(3, "1000", 4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 5073] fstat(3, [pid 7643] <... write resumed>) = 4 [pid 5072] fstat(3, [pid 5070] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7643] close(3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7643] <... close resumed>) = 0 [pid 5073] getdents64(3, [pid 5072] getdents64(3, [pid 7643] symlink("/dev/binderfs", "./binderfs" [pid 5070] lstat("./210/binderfs", [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7643] <... symlink resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7643] memfd_create("syzkaller", 0 [pid 5070] unlink("./210/binderfs" [pid 7643] <... memfd_create resumed>) = 3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] lstat("./214/binderfs", [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... unlink resumed>) = 0 [pid 5072] lstat("./212/binderfs", [pid 7643] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7637] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] unlink("./214/binderfs" [pid 5072] unlink("./212/binderfs" [pid 7637] <... openat resumed>) = 3 [pid 5072] <... unlink resumed>) = 0 [pid 5073] <... unlink resumed>) = 0 [pid 7637] chdir("./file0" [pid 5073] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7637] <... chdir resumed>) = 0 [pid 7637] ioctl(4, LOOP_CLR_FD) = 0 [pid 7637] close(4) = 0 [pid 7637] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7637] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7637] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [ 277.000506][ T7635] REISERFS (device loop0): Using r5 hash to sort names [ 277.011157][ T7637] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 277.025475][ T7635] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7637] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7637] exit_group(0 [pid 7643] 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"..., 4194304 [pid 7637] <... exit_group resumed>) = ? [pid 7635] <... mount resumed>) = 0 [pid 7637] +++ exited with 0 +++ [pid 7635] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7635] chdir("./file0" [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7637, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 7635] <... chdir resumed>) = 0 [pid 5074] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7635] ioctl(4, LOOP_CLR_FD [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7635] <... ioctl resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7635] close(4 [pid 5074] <... openat resumed>) = 3 [pid 7635] <... close resumed>) = 0 [pid 5074] fstat(3, [pid 7635] mkdir(NULL, 000 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7635] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] getdents64(3, [pid 5072] <... umount2 resumed>) = 0 [pid 7635] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7635] <... openat resumed>) = 4 [pid 5074] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7635] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7635] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./215/binderfs", [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7635] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7635] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] unlink("./215/binderfs" [ 277.080375][ T7635] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5072] lstat("./212/file0", [pid 7635] exit_group(0 [pid 5074] <... unlink resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7635] <... exit_group resumed>) = ? [pid 5074] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7635] +++ exited with 0 +++ [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7635, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5072] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... umount2 resumed>) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./212/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./212") = 0 [pid 5073] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] mkdir("./213", 0777 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... mkdir resumed>) = 0 [pid 5069] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] <... umount2 resumed>) = 0 [pid 5073] lstat("./214/file0", [pid 5072] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5069] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... umount2 resumed>) = 0 [pid 5074] lstat("./215/file0", [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(3 [pid 5070] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] fstat(3, [pid 5074] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... openat resumed>) = 4 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] lstat("./210/file0", [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] fstat(4, [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7644 [pid 5070] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5074] <... openat resumed>) = 4 [pid 5073] getdents64(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 7644 attached [pid 5074] fstat(4, [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 7644] chdir("./213" [pid 5074] getdents64(4, [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7644] <... chdir resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] close(4 [pid 5070] fstat(4, [pid 5069] lstat("./207/binderfs", [pid 7644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] getdents64(4, [pid 5073] <... close resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7644] <... prctl resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] rmdir("./214/file0" [pid 5070] getdents64(4, [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7644] setpgid(0, 0 [pid 5074] close(4 [pid 7644] <... setpgid resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] unlink("./207/binderfs" [pid 7644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] rmdir("./215/file0" [pid 5073] getdents64(3, [pid 5070] getdents64(4, [pid 7644] <... openat resumed>) = 3 [pid 5074] <... rmdir resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 7644] write(3, "1000", 4 [pid 5074] getdents64(3, [pid 5073] close(3 [pid 5070] close(4 [pid 5069] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7644] <... write resumed>) = 4 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] <... close resumed>) = 0 [pid 7644] close(3 [pid 5074] close(3 [pid 5070] <... close resumed>) = 0 [pid 7644] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5070] rmdir("./210/file0" [pid 5074] rmdir("./215" [pid 7644] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... rmdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5073] rmdir("./214" [pid 5074] mkdir("./216", 0777 [pid 7644] <... symlink resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5070] getdents64(3, [pid 7644] memfd_create("syzkaller", 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] mkdir("./215", 0777 [pid 7644] <... memfd_create resumed>) = 3 [pid 5074] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5070] close(3 [pid 7644] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... mkdir resumed>) = 0 [pid 5074] close(3 [pid 5070] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] rmdir("./210" [pid 5073] <... openat resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7645 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5070] <... rmdir resumed>) = 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] close(3 [pid 5070] mkdir("./211", 0777 [pid 5073] <... close resumed>) = 0 ./strace-static-x86_64: Process 7645 attached [pid 7645] chdir("./216" [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... mkdir resumed>) = 0 [pid 7645] <... chdir resumed>) = 0 [pid 7645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7645] setpgid(0, 0 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7646 [pid 7645] <... setpgid resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 7645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7645] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7646 attached [pid 7645] write(3, "1000", 4 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7646] chdir("./215" [pid 7645] <... write resumed>) = 4 [pid 5070] close(3 [pid 7646] <... chdir resumed>) = 0 [pid 7645] close(3 [pid 7646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7645] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 7646] <... prctl resumed>) = 0 [pid 7645] symlink("/dev/binderfs", "./binderfs" [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7646] setpgid(0, 0 [pid 7645] <... symlink resumed>) = 0 [pid 7646] <... setpgid resumed>) = 0 [pid 7645] memfd_create("syzkaller", 0 [pid 7646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7645] <... memfd_create resumed>) = 3 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7647 [pid 7646] <... openat resumed>) = 3 [pid 7645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7646] write(3, "1000", 4 [pid 7645] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7644] 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"..., 4194304./strace-static-x86_64: Process 7647 attached [pid 7646] <... write resumed>) = 4 [pid 7646] close(3) = 0 [pid 7646] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7646] memfd_create("syzkaller", 0) = 3 [pid 7646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7647] chdir("./211" [pid 7643] <... write resumed>) = 4194304 [pid 7643] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7643] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7647] <... chdir resumed>) = 0 [pid 7647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7647] setpgid(0, 0) = 0 [pid 7647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7647] write(3, "1000", 4) = 4 [pid 7647] close(3) = 0 [pid 7647] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7643] <... openat resumed>) = 4 [pid 7647] memfd_create("syzkaller", 0 [pid 7643] ioctl(4, LOOP_SET_FD, 3 [pid 7647] <... memfd_create resumed>) = 3 [pid 7647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7643] <... ioctl resumed>) = 0 [pid 7643] close(3) = 0 [pid 7643] mkdir("./file0", 0777) = 0 [pid 7645] 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"..., 4194304 [ 277.379352][ T7643] loop2: detected capacity change from 0 to 8192 [pid 7643] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7646] 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"..., 4194304 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./207/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7647] 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"..., 4194304 [pid 7644] <... write resumed>) = 4194304 [pid 7644] munmap(0x7f8a1b2e3000, 4194304 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7644] <... munmap resumed>) = 0 [pid 7644] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5069] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 277.429378][ T7643] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7644] ioctl(4, LOOP_SET_FD, 3 [pid 7645] <... write resumed>) = 4194304 [pid 5069] <... openat resumed>) = 4 [pid 7644] <... ioctl resumed>) = 0 [pid 7644] close(3) = 0 [pid 7644] mkdir("./file0", 0777 [pid 7645] munmap(0x7f8a1b2e3000, 4194304 [pid 5069] fstat(4, [pid 7644] <... mkdir resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7645] <... munmap resumed>) = 0 [pid 7644] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5069] getdents64(4, [pid 7645] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7645] <... openat resumed>) = 4 [ 277.480993][ T7644] loop3: detected capacity change from 0 to 8192 [ 277.492843][ T7643] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 277.506033][ T7643] REISERFS (device loop2): using ordered data mode [ 277.510348][ T7644] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.513730][ T7643] reiserfs: using flush barriers [pid 5069] getdents64(4, [pid 7645] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./207/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./207" [pid 7647] <... write resumed>) = 4194304 [pid 7647] munmap(0x7f8a1b2e3000, 4194304 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] mkdir("./208", 0777) = 0 [pid 7645] <... ioctl resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7647] <... munmap resumed>) = 0 [pid 7647] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7645] close(3 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7647] <... openat resumed>) = 4 [pid 7647] ioctl(4, LOOP_SET_FD, 3 [pid 7645] <... close resumed>) = 0 [ 277.532718][ T7643] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.549764][ T7645] loop5: detected capacity change from 0 to 8192 [ 277.568331][ T7647] loop1: detected capacity change from 0 to 8192 [pid 5069] close(3 [pid 7645] mkdir("./file0", 0777 [pid 5069] <... close resumed>) = 0 [pid 7645] <... mkdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7645] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7650 ./strace-static-x86_64: Process 7650 attached [pid 7650] chdir("./208" [pid 7646] <... write resumed>) = 4194304 [pid 7650] <... chdir resumed>) = 0 [pid 7650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7650] setpgid(0, 0) = 0 [pid 7650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7646] munmap(0x7f8a1b2e3000, 4194304 [pid 7650] <... openat resumed>) = 3 [pid 7650] write(3, "1000", 4 [pid 7646] <... munmap resumed>) = 0 [pid 7650] <... write resumed>) = 4 [pid 7646] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7650] close(3 [pid 7646] <... openat resumed>) = 4 [ 277.576064][ T7644] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 277.588506][ T7643] REISERFS (device loop2): checking transaction log (loop2) [ 277.596491][ T7644] REISERFS (device loop3): using ordered data mode [ 277.602834][ T7645] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.603533][ T7644] reiserfs: using flush barriers [ 277.621720][ T7643] REISERFS (device loop2): Using r5 hash to sort names [pid 7650] <... close resumed>) = 0 [pid 7646] ioctl(4, LOOP_SET_FD, 3 [pid 7650] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7650] memfd_create("syzkaller", 0) = 3 [pid 7650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7647] <... ioctl resumed>) = 0 [pid 7647] close(3) = 0 [pid 7647] mkdir("./file0", 0777) = 0 [ 277.630308][ T7644] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.635940][ T7646] loop4: detected capacity change from 0 to 8192 [ 277.646842][ T7643] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 277.668292][ T7644] REISERFS (device loop3): checking transaction log (loop3) [pid 7647] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7646] <... ioctl resumed>) = 0 [pid 7643] <... mount resumed>) = 0 [pid 7646] close(3 [ 277.670658][ T7645] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 277.677277][ T7643] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 277.687550][ T7644] REISERFS (device loop3): Using r5 hash to sort names [ 277.694370][ T7645] REISERFS (device loop5): using ordered data mode [ 277.707946][ T7645] reiserfs: using flush barriers [ 277.714214][ T7647] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7643] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7646] <... close resumed>) = 0 [pid 7644] <... mount resumed>) = 0 [pid 7643] <... openat resumed>) = 3 [pid 7646] mkdir("./file0", 0777 [pid 7644] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7643] chdir("./file0" [pid 7646] <... mkdir resumed>) = 0 [pid 7644] <... openat resumed>) = 3 [pid 7643] <... chdir resumed>) = 0 [pid 7646] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7644] chdir("./file0" [pid 7643] ioctl(4, LOOP_CLR_FD [pid 7644] <... chdir resumed>) = 0 [pid 7643] <... ioctl resumed>) = 0 [pid 7643] close(4 [pid 7644] ioctl(4, LOOP_CLR_FD [pid 7643] <... close resumed>) = 0 [ 277.715199][ T7644] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 277.727845][ T7645] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.740036][ T7644] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 277.765590][ T7647] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7650] 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"..., 4194304 [pid 7644] <... ioctl resumed>) = 0 [pid 7643] mkdir(NULL, 000 [pid 7644] close(4 [pid 7643] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7644] <... close resumed>) = 0 [pid 7643] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7644] mkdir(NULL, 000 [pid 7643] <... openat resumed>) = 4 [ 277.786668][ T7645] REISERFS (device loop5): checking transaction log (loop5) [ 277.786940][ T7647] REISERFS (device loop1): using ordered data mode [ 277.798953][ T7646] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.815711][ T7646] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 277.825702][ T7645] REISERFS (device loop5): Using r5 hash to sort names [pid 7644] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7643] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7644] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7643] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7644] <... openat resumed>) = 4 [pid 7643] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7643] exit_group(0 [pid 7644] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7643] <... exit_group resumed>) = ? [pid 7644] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7643] +++ exited with 0 +++ [pid 7644] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7643, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 7644] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... restart_syscall resumed>) = 0 [pid 7644] exit_group(0) = ? [pid 5071] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, [pid 7644] +++ exited with 0 +++ [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7644, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5071] getdents64(3, [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5071] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./212/binderfs", [pid 5072] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] unlink("./212/binderfs" [pid 5072] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... unlink resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./213/binderfs") = 0 [ 277.829028][ T7646] REISERFS (device loop4): using ordered data mode [ 277.841077][ T7646] reiserfs: using flush barriers [ 277.865309][ T7647] reiserfs: using flush barriers [pid 5072] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7650] <... write resumed>) = 4194304 [pid 7650] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7650] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 277.880380][ T7647] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.887870][ T7646] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.913726][ T7647] REISERFS (device loop1): checking transaction log (loop1) [ 277.920493][ T7645] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7650] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7650] close(3) = 0 [pid 7650] mkdir("./file0", 0777) = 0 [ 277.924597][ T7650] loop0: detected capacity change from 0 to 8192 [ 277.942080][ T7647] REISERFS (device loop1): Using r5 hash to sort names [ 277.954088][ T7647] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 277.969344][ T7650] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7650] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7647] <... mount resumed>) = 0 [pid 7647] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7647] chdir("./file0") = 0 [pid 7647] ioctl(4, LOOP_CLR_FD) = 0 [pid 7647] close(4 [pid 7645] <... mount resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7645] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./212/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, [pid 7645] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7645] chdir("./file0" [pid 5072] lstat("./213/file0", [pid 5071] getdents64(4, [pid 7647] <... close resumed>) = 0 [pid 7645] <... chdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7647] mkdir(NULL, 000 [pid 7645] ioctl(4, LOOP_CLR_FD [pid 5072] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(4, [pid 7647] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7645] <... ioctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [ 277.983418][ T7647] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 277.992777][ T7650] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 278.002840][ T7645] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 278.013216][ T7646] REISERFS (device loop4): checking transaction log (loop4) [ 278.023421][ T7650] REISERFS (device loop0): using ordered data mode [pid 7647] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7645] close(4 [pid 5072] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] close(4) = 0 [pid 5071] rmdir("./212/file0") = 0 [pid 7647] <... openat resumed>) = 4 [pid 7645] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5071] getdents64(3, [pid 7647] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./212") = 0 [pid 5071] mkdir("./213", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7655 ./strace-static-x86_64: Process 7655 attached [pid 7655] chdir("./213" [pid 7645] mkdir(NULL, 000 [pid 7647] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] fstat(4, [pid 7647] mount(NULL, "./bus", NULL, 0, NULL [pid 7645] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7647] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 278.043083][ T7650] reiserfs: using flush barriers [ 278.051312][ T7646] REISERFS (device loop4): Using r5 hash to sort names [ 278.060973][ T7650] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7645] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] getdents64(4, [pid 7655] <... chdir resumed>) = 0 [pid 7647] exit_group(0 [pid 7645] <... openat resumed>) = 4 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7647] <... exit_group resumed>) = ? [pid 7655] <... prctl resumed>) = 0 [pid 7655] setpgid(0, 0) = 0 [pid 7655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7655] write(3, "1000", 4) = 4 [pid 7655] close(3) = 0 [pid 7655] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7645] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] getdents64(4, [pid 7655] memfd_create("syzkaller", 0 [pid 7647] +++ exited with 0 +++ [pid 7645] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7655] <... memfd_create resumed>) = 3 [pid 7645] mount(NULL, "./bus", NULL, 0, NULL [pid 7655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7647, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7655] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 7645] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] close(4 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5070] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 278.084366][ T7646] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 278.106886][ T7650] REISERFS (device loop0): checking transaction log (loop0) [ 278.118501][ T7650] REISERFS (device loop0): Using r5 hash to sort names [ 278.127164][ T7650] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7645] exit_group(0 [pid 5072] <... close resumed>) = 0 [pid 5070] lstat("./211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./211/binderfs") = 0 [pid 5070] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7645] <... exit_group resumed>) = ? [pid 5072] rmdir("./213/file0" [pid 7645] +++ exited with 0 +++ [pid 5072] <... rmdir resumed>) = 0 [pid 7650] <... mount resumed>) = 0 [pid 7646] <... mount resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7645, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5072] getdents64(3, [pid 7650] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7646] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7650] <... openat resumed>) = 3 [pid 7646] <... openat resumed>) = 3 [pid 5074] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] close(3 [pid 7650] chdir("./file0" [pid 7646] chdir("./file0" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... close resumed>) = 0 [pid 7655] 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"..., 4194304 [pid 7650] <... chdir resumed>) = 0 [pid 7646] <... chdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] rmdir("./213" [pid 7650] ioctl(4, LOOP_CLR_FD [pid 7646] ioctl(4, LOOP_CLR_FD [pid 5074] <... openat resumed>) = 3 [pid 5072] <... rmdir resumed>) = 0 [pid 7650] <... ioctl resumed>) = 0 [pid 7646] <... ioctl resumed>) = 0 [pid 5074] fstat(3, [pid 5072] mkdir("./214", 0777 [pid 7650] close(4 [pid 7646] close(4 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 7650] <... close resumed>) = 0 [pid 7646] <... close resumed>) = 0 [pid 5074] getdents64(3, [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7650] mkdir(NULL, 000 [pid 7646] mkdir(NULL, 000 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... openat resumed>) = 3 [pid 7650] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7646] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] ioctl(3, LOOP_CLR_FD [pid 7650] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7646] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7650] <... openat resumed>) = 4 [pid 7646] <... openat resumed>) = 4 [pid 5074] lstat("./216/binderfs", [pid 5072] close(3 [pid 7650] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7646] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... close resumed>) = 0 [pid 7650] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7646] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./216/binderfs" [ 278.141418][ T7646] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 278.151338][ T7650] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7650] mount(NULL, "./bus", NULL, 0, NULL [pid 7646] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... unlink resumed>) = 0 [pid 7650] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7646] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7656 [pid 7650] exit_group(0 [pid 7646] exit_group(0 [pid 7650] <... exit_group resumed>) = ? [pid 7646] <... exit_group resumed>) = ? [pid 7650] +++ exited with 0 +++ [pid 7646] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7650, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- ./strace-static-x86_64: Process 7656 attached [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7646, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 7656] chdir("./214" [pid 5073] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7656] <... chdir resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] fstat(3, [pid 7656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5073] getdents64(3, [pid 5069] fstat(3, [pid 7656] <... prctl resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7656] setpgid(0, 0 [pid 5073] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7656] <... setpgid resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(3, [pid 7656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] lstat("./215/binderfs", [pid 7656] <... openat resumed>) = 3 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7656] write(3, "1000", 4 [pid 5073] unlink("./215/binderfs" [pid 5069] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7656] <... write resumed>) = 4 [pid 7656] close(3 [pid 5073] <... unlink resumed>) = 0 [pid 5073] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7656] <... close resumed>) = 0 [pid 5069] lstat("./208/binderfs", [pid 7656] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7656] memfd_create("syzkaller", 0 [pid 5069] unlink("./208/binderfs" [pid 7656] <... memfd_create resumed>) = 3 [pid 7656] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5069] <... unlink resumed>) = 0 [pid 5069] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./211/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7655] <... write resumed>) = 4194304 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7655] munmap(0x7f8a1b2e3000, 4194304 [pid 5070] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7655] <... munmap resumed>) = 0 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7655] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5070] getdents64(4, [pid 7655] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./211/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./211") = 0 [pid 5070] mkdir("./212", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7657 [pid 7655] <... ioctl resumed>) = 0 [pid 7655] close(3) = 0 ./strace-static-x86_64: Process 7657 attached [pid 7657] chdir("./212" [ 278.291987][ T7655] loop2: detected capacity change from 0 to 8192 [pid 7655] mkdir("./file0", 0777 [pid 7657] <... chdir resumed>) = 0 [pid 7655] <... mkdir resumed>) = 0 [pid 7657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7656] 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"..., 4194304 [pid 7655] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7657] <... prctl resumed>) = 0 [pid 7657] setpgid(0, 0) = 0 [pid 7657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7657] write(3, "1000", 4) = 4 [pid 7657] close(3) = 0 [pid 7657] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7657] memfd_create("syzkaller", 0) = 3 [pid 7657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7657] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./216/file0", [pid 5073] lstat("./215/file0", [pid 5069] lstat("./208/file0", [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... openat resumed>) = 4 [pid 5073] fstat(4, [pid 5074] <... openat resumed>) = 4 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 5074] fstat(4, [pid 5069] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] getdents64(4, [pid 5073] close(4 [pid 5069] <... openat resumed>) = 4 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... close resumed>) = 0 [pid 5069] fstat(4, [pid 5074] getdents64(4, [pid 5073] rmdir("./215/file0" [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] close(4 [pid 5073] <... rmdir resumed>) = 0 [pid 5069] getdents64(4, [pid 5073] getdents64(3, [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... close resumed>) = 0 [pid 5073] close(3 [pid 5074] rmdir("./216/file0" [pid 5069] getdents64(4, [pid 5073] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] rmdir("./215" [pid 5069] close(4 [pid 5074] <... rmdir resumed>) = 0 [pid 5074] getdents64(3, [pid 5073] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] mkdir("./216", 0777 [pid 5069] rmdir("./208/file0" [pid 5074] close(3 [pid 5069] <... rmdir resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 5074] rmdir("./216" [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] close(3 [pid 5074] <... rmdir resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5074] mkdir("./217", 0777 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5069] rmdir("./208" [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] close(3 [pid 5069] <... rmdir resumed>) = 0 [ 278.385218][ T7655] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5074] <... mkdir resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5069] mkdir("./209", 0777 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... mkdir resumed>) = 0 [pid 7657] 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"..., 4194304 [pid 5074] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7659 [pid 5069] <... openat resumed>) = 3 [pid 5074] close(3 [pid 5069] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 7659 attached [pid 7659] chdir("./216") = 0 [pid 7659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7659] setpgid(0, 0) = 0 [pid 7659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7659] write(3, "1000", 4) = 4 [pid 7659] close(3) = 0 [pid 7659] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5074] <... close resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7656] <... write resumed>) = 4194304 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7659] memfd_create("syzkaller", 0 [pid 5069] close(3 [pid 7659] <... memfd_create resumed>) = 3 [pid 7659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... close resumed>) = 0 [pid 7659] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7660 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7660 attached [pid 7660] chdir("./217") = 0 [pid 7660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7661 [pid 7660] <... prctl resumed>) = 0 [pid 7660] setpgid(0, 0) = 0 [pid 7660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7656] munmap(0x7f8a1b2e3000, 4194304 [pid 7660] <... openat resumed>) = 3 [pid 7656] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7661 attached [pid 7660] write(3, "1000", 4 [pid 7656] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7661] chdir("./209" [pid 7660] <... write resumed>) = 4 [pid 7656] <... openat resumed>) = 4 [pid 7661] <... chdir resumed>) = 0 [ 278.453436][ T7655] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7660] close(3 [pid 7656] ioctl(4, LOOP_SET_FD, 3 [pid 7661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7660] <... close resumed>) = 0 [pid 7659] 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"..., 4194304 [pid 7657] <... write resumed>) = 4194304 [pid 7661] <... prctl resumed>) = 0 [pid 7660] symlink("/dev/binderfs", "./binderfs" [pid 7661] setpgid(0, 0 [pid 7660] <... symlink resumed>) = 0 [pid 7661] <... setpgid resumed>) = 0 [pid 7660] memfd_create("syzkaller", 0 [pid 7661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7660] <... memfd_create resumed>) = 3 [pid 7661] <... openat resumed>) = 3 [pid 7660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7661] write(3, "1000", 4 [pid 7660] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7661] <... write resumed>) = 4 [pid 7657] munmap(0x7f8a1b2e3000, 4194304 [pid 7661] close(3) = 0 [pid 7661] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7661] memfd_create("syzkaller", 0 [pid 7657] <... munmap resumed>) = 0 [pid 7661] <... memfd_create resumed>) = 3 [pid 7661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7657] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7661] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7657] <... openat resumed>) = 4 [ 278.506113][ T7655] REISERFS (device loop2): using ordered data mode [ 278.513744][ T7656] loop3: detected capacity change from 0 to 8192 [ 278.523998][ T7655] reiserfs: using flush barriers [pid 7657] ioctl(4, LOOP_SET_FD, 3 [pid 7656] <... ioctl resumed>) = 0 [pid 7656] close(3) = 0 [pid 7656] mkdir("./file0", 0777) = 0 [pid 7659] <... write resumed>) = 4194304 [pid 7657] <... ioctl resumed>) = 0 [pid 7659] munmap(0x7f8a1b2e3000, 4194304 [pid 7657] close(3 [pid 7656] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7659] <... munmap resumed>) = 0 [pid 7657] <... close resumed>) = 0 [pid 7659] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7657] mkdir("./file0", 0777 [pid 7659] <... openat resumed>) = 4 [ 278.548409][ T7655] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.565808][ T7657] loop1: detected capacity change from 0 to 8192 [ 278.579581][ T7655] REISERFS (device loop2): checking transaction log (loop2) [pid 7660] 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"..., 4194304 [pid 7659] ioctl(4, LOOP_SET_FD, 3 [pid 7657] <... mkdir resumed>) = 0 [ 278.588798][ T7656] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.604360][ T7656] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 278.606587][ T7659] loop4: detected capacity change from 0 to 8192 [ 278.614682][ T7656] REISERFS (device loop3): using ordered data mode [ 278.620258][ T7655] REISERFS (device loop2): Using r5 hash to sort names [ 278.634033][ T7656] reiserfs: using flush barriers [pid 7657] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7661] 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"..., 4194304 [pid 7659] <... ioctl resumed>) = 0 [pid 7659] close(3) = 0 [pid 7659] mkdir("./file0", 0777) = 0 [ 278.643686][ T7655] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 278.644474][ T7656] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.674942][ T7657] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.688428][ T7656] REISERFS (device loop3): checking transaction log (loop3) [ 278.700209][ T7657] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 278.700650][ T7659] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.711595][ T7657] REISERFS (device loop1): using ordered data mode [ 278.726788][ T7656] REISERFS (device loop3): Using r5 hash to sort names [ 278.736396][ T7655] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7659] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7660] <... write resumed>) = 4194304 [pid 7655] <... mount resumed>) = 0 [pid 7655] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7655] chdir("./file0") = 0 [pid 7655] ioctl(4, LOOP_CLR_FD) = 0 [pid 7655] close(4) = 0 [pid 7655] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7655] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7655] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7655] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7655] exit_group(0) = ? [pid 7655] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7655, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- [pid 7660] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 5071] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, [pid 7660] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7660] <... openat resumed>) = 4 [pid 5071] getdents64(3, [pid 7660] ioctl(4, LOOP_SET_FD, 3 [ 278.746830][ T7656] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 278.753804][ T7657] reiserfs: using flush barriers [ 278.760004][ T7656] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7656] <... mount resumed>) = 0 [pid 7656] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7660] <... ioctl resumed>) = 0 [pid 7660] close(3) = 0 [pid 7660] mkdir("./file0", 0777) = 0 [pid 7660] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7656] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./213/binderfs", [pid 7656] chdir("./file0") = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7656] ioctl(4, LOOP_CLR_FD [pid 5071] unlink("./213/binderfs" [pid 7656] <... ioctl resumed>) = 0 [pid 7656] close(4 [pid 5071] <... unlink resumed>) = 0 [pid 7656] <... close resumed>) = 0 [ 278.793716][ T7660] loop5: detected capacity change from 0 to 8192 [ 278.794710][ T7659] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 278.807422][ T7657] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.810766][ T7659] REISERFS (device loop4): using ordered data mode [ 278.834577][ T7659] reiserfs: using flush barriers [ 278.844698][ T7660] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.855458][ T7657] REISERFS (device loop1): checking transaction log (loop1) [ 278.858550][ T7659] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.874782][ T7660] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 7661] <... write resumed>) = 4194304 [pid 7656] mkdir(NULL, 000 [pid 5071] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7661] munmap(0x7f8a1b2e3000, 4194304 [pid 7656] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7661] <... munmap resumed>) = 0 [pid 7656] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7661] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7656] <... openat resumed>) = 4 [ 278.891085][ T7660] REISERFS (device loop5): using ordered data mode [ 278.892187][ T7657] REISERFS (device loop1): Using r5 hash to sort names [ 278.897709][ T7660] reiserfs: using flush barriers [ 278.912908][ T7659] REISERFS (device loop4): checking transaction log (loop4) [ 278.916697][ T7657] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 278.933902][ T7659] REISERFS (device loop4): Using r5 hash to sort names [pid 7661] <... openat resumed>) = 4 [pid 7656] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7661] ioctl(4, LOOP_SET_FD, 3 [pid 7656] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7656] mount(NULL, "./bus", NULL, 0, NULL [pid 7661] <... ioctl resumed>) = 0 [pid 7656] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 278.934657][ T7660] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.941654][ T7659] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 278.971621][ T7661] loop0: detected capacity change from 0 to 8192 [ 278.973062][ T7657] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7661] close(3 [pid 7659] <... mount resumed>) = 0 [pid 7657] <... mount resumed>) = 0 [pid 7656] exit_group(0 [pid 7661] <... close resumed>) = 0 [pid 7656] <... exit_group resumed>) = ? [pid 7661] mkdir("./file0", 0777 [pid 7656] +++ exited with 0 +++ [pid 7661] <... mkdir resumed>) = 0 [pid 7659] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7657] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7656, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 7661] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7659] <... openat resumed>) = 3 [pid 7659] chdir("./file0") = 0 [pid 7659] ioctl(4, LOOP_CLR_FD) = 0 [pid 7659] close(4) = 0 [pid 7659] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7659] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 278.987321][ T7659] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 278.990365][ T7660] REISERFS (device loop5): checking transaction log (loop5) [ 279.018349][ T7660] REISERFS (device loop5): Using r5 hash to sort names [ 279.025607][ T7660] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7657] <... openat resumed>) = 3 [pid 7659] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7657] chdir("./file0" [pid 5071] <... umount2 resumed>) = 0 [pid 7659] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7657] <... chdir resumed>) = 0 [pid 5071] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7659] mount(NULL, "./bus", NULL, 0, NULL [pid 7657] ioctl(4, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7659] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7657] <... ioctl resumed>) = 0 [pid 5071] lstat("./213/file0", [pid 7659] exit_group(0 [pid 7657] close(4 [pid 5072] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7659] <... exit_group resumed>) = ? [pid 7657] <... close resumed>) = 0 [pid 7660] <... mount resumed>) = 0 [pid 7660] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7660] chdir("./file0") = 0 [pid 7660] ioctl(4, LOOP_CLR_FD [pid 7659] +++ exited with 0 +++ [pid 7657] mkdir(NULL, 000 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7657] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5072] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7660] <... ioctl resumed>) = 0 [pid 7657] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7659, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [ 279.038840][ T7661] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.063985][ T7660] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 279.064091][ T7661] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 279.083016][ T7661] REISERFS (device loop0): using ordered data mode [ 279.090570][ T7661] reiserfs: using flush barriers [pid 5072] <... openat resumed>) = 3 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7660] close(4 [pid 7657] <... openat resumed>) = 4 [pid 5073] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] fstat(3, [pid 7657] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7657] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] getdents64(3, [pid 7657] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7657] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] fstat(3, [pid 5072] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7657] exit_group(0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7657] <... exit_group resumed>) = ? [pid 5073] getdents64(3, [pid 5072] lstat("./214/binderfs", [pid 7660] <... close resumed>) = 0 [pid 7657] +++ exited with 0 +++ [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7660] mkdir(NULL, 000 [pid 5073] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] unlink("./214/binderfs" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7660] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... unlink resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7657, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7660] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] lstat("./216/binderfs", [pid 5072] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 4 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 7660] <... openat resumed>) = 4 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] fstat(4, [pid 5070] <... restart_syscall resumed>) = 0 [pid 7660] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] unlink("./216/binderfs" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7660] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(4, [pid 7660] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7660] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... unlink resumed>) = 0 [pid 5071] getdents64(4, [pid 7660] exit_group(0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7660] <... exit_group resumed>) = ? [pid 5073] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] close(4 [pid 7660] +++ exited with 0 +++ [pid 5071] <... close resumed>) = 0 [pid 5070] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] rmdir("./213/file0" [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7660, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] close(3) = 0 [pid 5071] rmdir("./213") = 0 [pid 5070] <... openat resumed>) = 3 [pid 5071] mkdir("./214", 0777) = 0 [pid 5070] fstat(3, [pid 5074] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5074] <... openat resumed>) = 3 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] getdents64(3, [pid 5074] fstat(3, [pid 5071] close(3) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] getdents64(3, [pid 5070] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7667 [pid 5074] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7667 attached [pid 7667] chdir("./214" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./212/binderfs", [pid 5074] lstat("./217/binderfs", [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./217/binderfs" [pid 5070] unlink("./212/binderfs" [pid 5074] <... unlink resumed>) = 0 [pid 7667] <... chdir resumed>) = 0 [pid 5074] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... unlink resumed>) = 0 [pid 7667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7667] setpgid(0, 0) = 0 [pid 7667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7667] write(3, "1000", 4) = 4 [pid 7667] close(3) = 0 [pid 7667] symlink("/dev/binderfs", "./binderfs") = 0 [ 279.112122][ T7661] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.145935][ T7661] REISERFS (device loop0): checking transaction log (loop0) [pid 7667] memfd_create("syzkaller", 0) = 3 [pid 7667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 279.184765][ T7661] REISERFS (device loop0): Using r5 hash to sort names [ 279.229841][ T7661] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5072] <... umount2 resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5072] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./214/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7661] <... mount resumed>) = 0 [pid 5074] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] close(4 [pid 7661] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... close resumed>) = 0 [pid 7667] 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"..., 4194304 [pid 7661] <... openat resumed>) = 3 [pid 5074] lstat("./217/file0", [pid 5073] lstat("./216/file0", [pid 5072] rmdir("./214/file0" [pid 7661] chdir("./file0" [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 7661] <... chdir resumed>) = 0 [pid 5074] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(3, [pid 7661] ioctl(4, LOOP_CLR_FD [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7661] <... ioctl resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] close(3 [pid 7661] close(4 [pid 5074] <... openat resumed>) = 4 [pid 5073] <... openat resumed>) = 4 [pid 5072] <... close resumed>) = 0 [pid 7661] <... close resumed>) = 0 [pid 5074] fstat(4, [pid 5072] rmdir("./214") = 0 [pid 5072] mkdir("./215", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7661] mkdir(NULL, 000 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] fstat(4, [pid 7661] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] getdents64(4, [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7668 [pid 7661] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, [pid 7661] <... openat resumed>) = 4 [pid 5074] getdents64(4, [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7661] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [ 279.314338][ T7661] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] getdents64(4, [pid 5070] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7668 attached [pid 7661] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(4 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7668] chdir("./215" [pid 7661] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... close resumed>) = 0 [pid 5073] close(4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7668] <... chdir resumed>) = 0 [pid 7661] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] rmdir("./217/file0" [pid 5073] <... close resumed>) = 0 [pid 5070] lstat("./212/file0", [pid 7668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7661] exit_group(0 [pid 5074] <... rmdir resumed>) = 0 [pid 5073] rmdir("./216/file0" [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7668] <... prctl resumed>) = 0 [pid 7661] <... exit_group resumed>) = ? [pid 5074] getdents64(3, [pid 5073] <... rmdir resumed>) = 0 [pid 5070] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7668] setpgid(0, 0 [pid 7661] +++ exited with 0 +++ [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] getdents64(3, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7668] <... setpgid resumed>) = 0 [pid 5074] close(3 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7661, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... close resumed>) = 0 [pid 5073] close(3 [pid 7667] <... write resumed>) = 4194304 [pid 5070] <... openat resumed>) = 4 [pid 7668] <... openat resumed>) = 3 [pid 5074] rmdir("./217" [pid 5073] <... close resumed>) = 0 [pid 5070] fstat(4, [pid 7667] munmap(0x7f8a1b2e3000, 4194304 [pid 7668] write(3, "1000", 4 [pid 5074] <... rmdir resumed>) = 0 [pid 5073] rmdir("./216" [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7668] <... write resumed>) = 4 [pid 7667] <... munmap resumed>) = 0 [pid 5074] mkdir("./218", 0777 [pid 5073] <... rmdir resumed>) = 0 [pid 5070] getdents64(4, [pid 7668] close(3 [pid 7667] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5074] <... mkdir resumed>) = 0 [pid 5073] mkdir("./217", 0777 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7668] <... close resumed>) = 0 [pid 7667] <... openat resumed>) = 4 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] <... mkdir resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7668] symlink("/dev/binderfs", "./binderfs" [pid 7667] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... openat resumed>) = 3 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7668] <... symlink resumed>) = 0 [pid 5070] close(4 [pid 5069] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7668] memfd_create("syzkaller", 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 7668] <... memfd_create resumed>) = 3 [pid 5070] rmdir("./212/file0" [pid 5069] fstat(3, [pid 7668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7668] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7667] <... ioctl resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] <... openat resumed>) = 3 [pid 5070] getdents64(3, [pid 5069] getdents64(3, [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5074] close(3 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7667] close(3 [pid 5074] <... close resumed>) = 0 [pid 5073] close(3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... close resumed>) = 0 [pid 7667] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] close(3 [pid 5069] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7667] mkdir("./file0", 0777 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7669 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7670 ./strace-static-x86_64: Process 7670 attached ./strace-static-x86_64: Process 7669 attached [pid 7667] <... mkdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7670] chdir("./217" [pid 7669] chdir("./218" [pid 7667] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] rmdir("./212" [pid 5069] lstat("./209/binderfs", [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] mkdir("./213", 0777 [pid 5069] unlink("./209/binderfs" [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 279.408927][ T7667] loop2: detected capacity change from 0 to 8192 [pid 5070] close(3) = 0 [pid 7668] 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"..., 4194304 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7672 [pid 7670] <... chdir resumed>) = 0 [pid 7670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7670] setpgid(0, 0) = 0 [pid 7669] <... chdir resumed>) = 0 [pid 7670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7670] write(3, "1000", 4) = 4 [pid 7669] <... prctl resumed>) = 0 [pid 7670] close(3 [pid 7669] setpgid(0, 0 [pid 7670] <... close resumed>) = 0 [pid 7669] <... setpgid resumed>) = 0 [pid 7670] symlink("/dev/binderfs", "./binderfs" [pid 7669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7670] <... symlink resumed>) = 0 [pid 7669] <... openat resumed>) = 3 [pid 7670] memfd_create("syzkaller", 0 [pid 7669] write(3, "1000", 4 [pid 7670] <... memfd_create resumed>) = 3 [pid 7669] <... write resumed>) = 4 [pid 7670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7669] close(3) = 0 ./strace-static-x86_64: Process 7672 attached [pid 7669] symlink("/dev/binderfs", "./binderfs" [pid 7672] chdir("./213" [pid 7669] <... symlink resumed>) = 0 [pid 7672] <... chdir resumed>) = 0 [pid 7669] memfd_create("syzkaller", 0) = 3 [pid 7672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7672] <... prctl resumed>) = 0 [pid 7672] setpgid(0, 0) = 0 [ 279.450106][ T7667] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7672] write(3, "1000", 4) = 4 [pid 7672] close(3) = 0 [pid 7672] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7672] memfd_create("syzkaller", 0) = 3 [pid 7672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7668] <... write resumed>) = 4194304 [pid 7668] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7668] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7668] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7668] close(3) = 0 [pid 7668] mkdir("./file0", 0777) = 0 [ 279.542566][ T7668] loop3: detected capacity change from 0 to 8192 [ 279.549202][ T7667] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 279.568511][ T7668] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7668] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7670] 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"..., 4194304 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./209/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [ 279.604368][ T7668] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 279.621261][ T7668] REISERFS (device loop3): using ordered data mode [ 279.626685][ T7667] REISERFS (device loop2): using ordered data mode [ 279.628749][ T7668] reiserfs: using flush barriers [ 279.640010][ T7667] reiserfs: using flush barriers [pid 5069] rmdir("./209/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./209" [pid 7669] 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"..., 4194304 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] mkdir("./210", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 7672] 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"..., 4194304 [pid 7670] <... write resumed>) = 4194304 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7670] munmap(0x7f8a1b2e3000, 4194304 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 7670] <... munmap resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7670] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7674 [pid 7670] <... openat resumed>) = 4 [ 279.641626][ T7668] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.662973][ T7668] REISERFS (device loop3): checking transaction log (loop3) [ 279.673219][ T7668] REISERFS (device loop3): Using r5 hash to sort names [ 279.685375][ T7667] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7670] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7674 attached [pid 7674] chdir("./210") = 0 [pid 7674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7674] setpgid(0, 0) = 0 [pid 7674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7674] write(3, "1000", 4 [pid 7670] <... ioctl resumed>) = 0 [pid 7674] <... write resumed>) = 4 [pid 7674] close(3) = 0 [pid 7670] close(3 [pid 7674] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7670] <... close resumed>) = 0 [pid 7674] memfd_create("syzkaller", 0 [pid 7670] mkdir("./file0", 0777 [pid 7674] <... memfd_create resumed>) = 3 [pid 7674] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7670] <... mkdir resumed>) = 0 [pid 7674] <... mmap resumed>) = 0x7f8a1b2e3000 [ 279.721742][ T7670] loop4: detected capacity change from 0 to 8192 [ 279.728288][ T7668] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 279.759608][ T7670] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.771545][ T7667] REISERFS (device loop2): checking transaction log (loop2) [ 279.780614][ T7668] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 279.792934][ T7667] REISERFS (device loop2): Using r5 hash to sort names [ 279.801802][ T7667] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7670] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7667] <... mount resumed>) = 0 [pid 7667] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7668] <... mount resumed>) = 0 [pid 7668] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7667] <... openat resumed>) = 3 [pid 7667] chdir("./file0" [pid 7668] <... openat resumed>) = 3 [pid 7667] <... chdir resumed>) = 0 [pid 7667] ioctl(4, LOOP_CLR_FD) = 0 [pid 7674] 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"..., 4194304 [pid 7667] close(4 [pid 7668] chdir("./file0") = 0 [pid 7668] ioctl(4, LOOP_CLR_FD) = 0 [pid 7668] close(4) = 0 [pid 7667] <... close resumed>) = 0 [pid 7668] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7668] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7667] mkdir(NULL, 000 [pid 7672] <... write resumed>) = 4194304 [pid 7668] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7669] <... write resumed>) = 4194304 [pid 7668] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7668] mount(NULL, "./bus", NULL, 0, NULL [pid 7669] munmap(0x7f8a1b2e3000, 4194304 [pid 7668] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7669] <... munmap resumed>) = 0 [pid 7668] exit_group(0) = ? [ 279.809523][ T7670] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 279.814668][ T7667] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 279.838990][ T7670] REISERFS (device loop4): using ordered data mode [ 279.855983][ T7670] reiserfs: using flush barriers [pid 7669] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7668] +++ exited with 0 +++ [pid 7672] munmap(0x7f8a1b2e3000, 4194304 [pid 7669] <... openat resumed>) = 4 [pid 7667] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7668, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 7672] <... munmap resumed>) = 0 [pid 7669] ioctl(4, LOOP_SET_FD, 3 [pid 7667] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7672] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7667] <... openat resumed>) = 4 [pid 7672] <... openat resumed>) = 4 [ 279.862856][ T7670] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.890794][ T7670] REISERFS (device loop4): checking transaction log (loop4) [ 279.892587][ T7669] loop5: detected capacity change from 0 to 8192 [ 279.899656][ T7670] REISERFS (device loop4): Using r5 hash to sort names [pid 7672] ioctl(4, LOOP_SET_FD, 3 [pid 7667] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7667] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./215/binderfs", [pid 7670] <... mount resumed>) = 0 [pid 7669] <... ioctl resumed>) = 0 [pid 7667] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7670] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7669] close(3 [pid 7667] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] unlink("./215/binderfs" [pid 7670] <... openat resumed>) = 3 [pid 7669] <... close resumed>) = 0 [pid 7667] exit_group(0 [pid 5072] <... unlink resumed>) = 0 [pid 7674] <... write resumed>) = 4194304 [pid 7672] <... ioctl resumed>) = 0 [pid 7670] chdir("./file0" [pid 7669] mkdir("./file0", 0777 [pid 7667] <... exit_group resumed>) = ? [pid 5072] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7674] munmap(0x7f8a1b2e3000, 4194304 [pid 7670] <... chdir resumed>) = 0 [pid 7669] <... mkdir resumed>) = 0 [pid 7667] +++ exited with 0 +++ [pid 7674] <... munmap resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7667, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- [pid 7670] ioctl(4, LOOP_CLR_FD [pid 7674] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7672] close(3 [pid 7670] <... ioctl resumed>) = 0 [pid 7669] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 7674] <... openat resumed>) = 4 [pid 7672] <... close resumed>) = 0 [pid 7670] close(4 [pid 5071] <... restart_syscall resumed>) = 0 [pid 7674] ioctl(4, LOOP_SET_FD, 3 [pid 7672] mkdir("./file0", 0777 [pid 7670] <... close resumed>) = 0 [pid 7674] <... ioctl resumed>) = 0 [pid 7672] <... mkdir resumed>) = 0 [pid 7670] mkdir(NULL, 000 [pid 7674] close(3 [pid 7672] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7670] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7674] <... close resumed>) = 0 [pid 7670] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7674] mkdir("./file0", 0777 [pid 7670] <... openat resumed>) = 4 [pid 5071] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7674] <... mkdir resumed>) = 0 [pid 7670] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7674] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7670] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7670] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7670] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7670] exit_group(0 [pid 5071] <... openat resumed>) = 3 [pid 7670] <... exit_group resumed>) = ? [pid 5071] fstat(3, [pid 7670] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7670, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./214/binderfs", [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [ 279.911921][ T7670] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 279.919715][ T7672] loop1: detected capacity change from 0 to 8192 [ 279.924802][ T7670] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 279.959404][ T7674] loop0: detected capacity change from 0 to 8192 [pid 5073] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./214/binderfs") = 0 [pid 5071] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] lstat("./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./217/binderfs") = 0 [ 279.983515][ T7674] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.983645][ T7672] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.996667][ T7674] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 280.019091][ T7674] REISERFS (device loop0): using ordered data mode [ 280.025604][ T7674] reiserfs: using flush barriers [pid 5073] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 280.038296][ T7669] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5072] lstat("./215/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./215/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5072] rmdir("./215") = 0 [ 280.079636][ T7674] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.104296][ T7672] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 280.114679][ T7674] REISERFS (device loop0): checking transaction log (loop0) [pid 5073] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] mkdir("./216", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... openat resumed>) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] lstat("./217/file0", [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7679 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7679 attached [pid 7679] chdir("./216") = 0 [pid 7679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7679] setpgid(0, 0) = 0 [pid 7679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7679] <... openat resumed>) = 3 [pid 7679] write(3, "1000", 4) = 4 [pid 7679] close(3) = 0 [pid 7679] symlink("/dev/binderfs", "./binderfs" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7679] <... symlink resumed>) = 0 [pid 7679] memfd_create("syzkaller", 0) = 3 [pid 7679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 280.123690][ T7674] REISERFS (device loop0): Using r5 hash to sort names [ 280.130767][ T7669] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 280.140977][ T7674] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.157510][ T7669] REISERFS (device loop5): using ordered data mode [ 280.164123][ T7669] reiserfs: using flush barriers [ 280.170605][ T7674] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7674] <... mount resumed>) = 0 [pid 5073] fstat(4, [pid 7674] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7674] <... openat resumed>) = 3 [pid 7674] chdir("./file0" [pid 5073] getdents64(4, [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 280.190048][ T7669] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.192543][ T7672] REISERFS (device loop1): using ordered data mode [ 280.207313][ T7669] REISERFS (device loop5): checking transaction log (loop5) [ 280.221516][ T7669] REISERFS (device loop5): Using r5 hash to sort names [pid 5071] lstat("./214/file0", [pid 7674] <... chdir resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7674] ioctl(4, LOOP_CLR_FD [pid 5073] getdents64(4, [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./214/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./214" [pid 7674] <... ioctl resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 7674] close(4 [pid 7669] <... mount resumed>) = 0 [pid 5073] close(4 [pid 5071] mkdir("./215", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7674] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7674] mkdir(NULL, 000 [pid 7669] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] rmdir("./217/file0" [pid 7674] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7669] <... openat resumed>) = 3 [pid 5073] <... rmdir resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7680 [pid 7674] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7669] chdir("./file0" [pid 5073] getdents64(3, [pid 7674] <... openat resumed>) = 4 [pid 7669] <... chdir resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7674] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7669] ioctl(4, LOOP_CLR_FD [ 280.228782][ T7669] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.241749][ T7672] reiserfs: using flush barriers [ 280.248613][ T7672] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.265005][ T7669] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 280.274906][ T7672] REISERFS (device loop1): checking transaction log (loop1) [pid 5073] close(3./strace-static-x86_64: Process 7680 attached [pid 7674] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7680] chdir("./215") = 0 [pid 7680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7680] setpgid(0, 0) = 0 [pid 7680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7674] mount(NULL, "./bus", NULL, 0, NULL [pid 7669] <... ioctl resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 7680] <... openat resumed>) = 3 [pid 7674] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7669] close(4 [pid 5073] rmdir("./217" [pid 7680] write(3, "1000", 4 [pid 7674] exit_group(0 [pid 7669] <... close resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 7680] <... write resumed>) = 4 [pid 7680] close(3) = 0 [pid 7679] 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"..., 4194304 [pid 7680] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7674] <... exit_group resumed>) = ? [pid 7669] mkdir(NULL, 000 [pid 5073] mkdir("./218", 0777 [pid 7680] memfd_create("syzkaller", 0 [pid 7674] +++ exited with 0 +++ [pid 7680] <... memfd_create resumed>) = 3 [pid 7669] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... mkdir resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7674, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 7680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7669] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7680] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7669] <... openat resumed>) = 4 [pid 5073] <... openat resumed>) = 3 [ 280.297983][ T7672] REISERFS (device loop1): Using r5 hash to sort names [ 280.308894][ T7672] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7669] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5069] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7669] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5069] lstat("./210/binderfs", [pid 7672] <... mount resumed>) = 0 [pid 7669] mount(NULL, "./bus", NULL, 0, NULL [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7672] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7669] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] unlink("./210/binderfs" [pid 7672] <... openat resumed>) = 3 [pid 7669] exit_group(0 [pid 5073] close(3 [pid 5069] <... unlink resumed>) = 0 [pid 7680] 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"..., 4194304 [pid 7672] chdir("./file0" [pid 7669] <... exit_group resumed>) = ? [pid 5073] <... close resumed>) = 0 [pid 7679] <... write resumed>) = 4194304 [pid 7672] <... chdir resumed>) = 0 [pid 7669] +++ exited with 0 +++ [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7672] ioctl(4, LOOP_CLR_FD) = 0 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7681 [pid 7672] close(4) = 0 [pid 7672] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7672] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7669, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 7672] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 7672] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7672] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7672] exit_group(0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 7672] <... exit_group resumed>) = ? [pid 7672] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7672, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5074] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7681 attached ) = -1 EINVAL (Invalid argument) [pid 7681] chdir("./218" [pid 5074] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7681] <... chdir resumed>) = 0 [ 280.346866][ T7672] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] fstat(3, [pid 7681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7681] <... prctl resumed>) = 0 [pid 5074] getdents64(3, [pid 5070] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7681] setpgid(0, 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7681] <... setpgid resumed>) = 0 [pid 5074] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] fstat(3, [pid 5074] lstat("./218/binderfs", [pid 7681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7681] <... openat resumed>) = 3 [pid 5074] unlink("./218/binderfs" [pid 5070] getdents64(3, [pid 7681] write(3, "1000", 4) = 4 [pid 5074] <... unlink resumed>) = 0 [pid 7681] close(3 [pid 5074] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7681] <... close resumed>) = 0 [pid 7681] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5070] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7681] memfd_create("syzkaller", 0) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7679] munmap(0x7f8a1b2e3000, 4194304 [pid 5070] lstat("./213/binderfs", [pid 7681] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7679] <... munmap resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./213/binderfs") = 0 [pid 5070] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7679] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7679] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7679] close(3 [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7679] <... close resumed>) = 0 [pid 5070] lstat("./213/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7679] mkdir("./file0", 0777 [pid 5070] <... openat resumed>) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7679] <... mkdir resumed>) = 0 [pid 5070] getdents64(4, [pid 7679] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./213/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./213") = 0 [ 280.438489][ T7679] loop3: detected capacity change from 0 to 8192 [pid 5070] mkdir("./214", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7683 ./strace-static-x86_64: Process 7683 attached [pid 7683] chdir("./214") = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7683] <... prctl resumed>) = 0 [pid 7683] setpgid(0, 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7683] <... setpgid resumed>) = 0 [ 280.505272][ T7679] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7683] write(3, "1000", 4) = 4 [pid 7683] close(3) = 0 [pid 7683] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7683] memfd_create("syzkaller", 0) = 3 [pid 7683] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5069] lstat("./210/file0", [pid 7681] 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"..., 4194304 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 280.549064][ T7679] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 280.558499][ T7679] REISERFS (device loop3): using ordered data mode [ 280.565023][ T7679] reiserfs: using flush barriers [ 280.571517][ T7679] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.588792][ T7679] REISERFS (device loop3): checking transaction log (loop3) [pid 5074] <... umount2 resumed>) = 0 [pid 5069] fstat(4, [pid 5074] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7679] <... mount resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(4, [pid 7683] 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"..., 4194304 [pid 7680] <... write resumed>) = 4194304 [pid 7679] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] lstat("./218/file0", [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7680] munmap(0x7f8a1b2e3000, 4194304 [pid 7679] <... openat resumed>) = 3 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, [pid 7680] <... munmap resumed>) = 0 [pid 7679] chdir("./file0" [pid 5074] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7680] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7679] <... chdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(4 [pid 7680] <... openat resumed>) = 4 [pid 7679] ioctl(4, LOOP_CLR_FD [pid 5074] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... close resumed>) = 0 [pid 7680] ioctl(4, LOOP_SET_FD, 3 [pid 7679] <... ioctl resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [ 280.597764][ T7679] REISERFS (device loop3): Using r5 hash to sort names [ 280.604918][ T7679] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.618009][ T7679] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] rmdir("./210/file0" [pid 7679] close(4 [pid 5074] fstat(4, [pid 7679] <... close resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 7679] mkdir(NULL, 000 [pid 5074] getdents64(4, [pid 5069] getdents64(3, [pid 7679] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7679] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] getdents64(4, [pid 5069] close(3 [pid 7679] <... openat resumed>) = 4 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 7681] <... write resumed>) = 4194304 [pid 7679] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] close(4 [pid 5069] rmdir("./210" [pid 7681] munmap(0x7f8a1b2e3000, 4194304 [pid 7679] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 7681] <... munmap resumed>) = 0 [pid 7679] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] rmdir("./218/file0" [pid 5069] <... rmdir resumed>) = 0 [pid 7681] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7679] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... rmdir resumed>) = 0 [pid 5069] mkdir("./211", 0777 [pid 7681] <... openat resumed>) = 4 [pid 7679] exit_group(0 [pid 5074] getdents64(3, [pid 7683] <... write resumed>) = 4194304 [pid 7681] ioctl(4, LOOP_SET_FD, 3 [pid 7680] <... ioctl resumed>) = 0 [pid 7679] <... exit_group resumed>) = ? [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 7683] munmap(0x7f8a1b2e3000, 4194304 [pid 7681] <... ioctl resumed>) = 0 [pid 7680] close(3 [pid 7679] +++ exited with 0 +++ [pid 5074] close(3 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7683] <... munmap resumed>) = 0 [pid 7681] close(3 [pid 7680] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7679, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5069] <... openat resumed>) = 3 [pid 7683] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7681] <... close resumed>) = 0 [pid 7680] mkdir("./file0", 0777 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7683] <... openat resumed>) = 4 [pid 7681] mkdir("./file0", 0777 [pid 7680] <... mkdir resumed>) = 0 [pid 5074] rmdir("./218" [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7683] ioctl(4, LOOP_SET_FD, 3 [pid 7681] <... mkdir resumed>) = 0 [pid 7680] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] <... rmdir resumed>) = 0 [pid 5069] close(3 [ 280.650601][ T7680] loop2: detected capacity change from 0 to 8192 [ 280.689250][ T7681] loop4: detected capacity change from 0 to 8192 [pid 5074] mkdir("./219", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5072] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7683] <... ioctl resumed>) = 0 [pid 7681] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5069] <... close resumed>) = 0 [pid 7683] close(3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7683] <... close resumed>) = 0 [pid 7683] mkdir("./file0", 0777 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7686 [pid 7683] <... mkdir resumed>) = 0 [pid 7683] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] close(3 [pid 5072] <... openat resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 5072] fstat(3, [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7688 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./216/binderfs") = 0 [pid 5072] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7688 attached [pid 7688] chdir("./219"./strace-static-x86_64: Process 7686 attached ) = 0 [pid 7686] chdir("./211" [pid 7688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7686] <... chdir resumed>) = 0 [pid 7688] setpgid(0, 0 [pid 7686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7688] <... setpgid resumed>) = 0 [pid 7686] <... prctl resumed>) = 0 [pid 7688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7686] setpgid(0, 0 [pid 7688] <... openat resumed>) = 3 [pid 7686] <... setpgid resumed>) = 0 [pid 7688] write(3, "1000", 4 [pid 7686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7688] <... write resumed>) = 4 [pid 7686] <... openat resumed>) = 3 [pid 7688] close(3 [pid 7686] write(3, "1000", 4 [pid 7688] <... close resumed>) = 0 [pid 7686] <... write resumed>) = 4 [pid 7688] symlink("/dev/binderfs", "./binderfs" [pid 7686] close(3 [pid 7688] <... symlink resumed>) = 0 [pid 7686] <... close resumed>) = 0 [ 280.703694][ T7683] loop1: detected capacity change from 0 to 8192 [ 280.717683][ T7680] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.732381][ T7681] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7688] memfd_create("syzkaller", 0) = 3 [pid 7686] symlink("/dev/binderfs", "./binderfs" [pid 7688] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7686] <... symlink resumed>) = 0 [pid 7688] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7686] memfd_create("syzkaller", 0) = 3 [pid 7686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 280.740256][ T7680] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 280.755103][ T7680] REISERFS (device loop2): using ordered data mode [ 280.761652][ T7683] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.761673][ T7683] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 280.761739][ T7683] REISERFS (device loop1): using ordered data mode [ 280.774712][ T7680] reiserfs: using flush barriers [pid 7688] 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"..., 4194304 [ 280.824900][ T7681] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 280.836374][ T7683] reiserfs: using flush barriers [ 280.842647][ T7683] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7686] 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"..., 4194304 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./216/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [ 280.861473][ T7680] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7686] <... write resumed>) = 4194304 [pid 5072] rmdir("./216/file0" [pid 7686] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] <... rmdir resumed>) = 0 [pid 7686] <... munmap resumed>) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [ 280.898244][ T7681] REISERFS (device loop4): using ordered data mode [ 280.900511][ T7683] REISERFS (device loop1): checking transaction log (loop1) [ 280.908015][ T7681] reiserfs: using flush barriers [ 280.913596][ T7680] REISERFS (device loop2): checking transaction log (loop2) [ 280.926571][ T7683] REISERFS (device loop1): Using r5 hash to sort names [ 280.927418][ T7680] REISERFS (device loop2): Using r5 hash to sort names [pid 5072] close(3 [pid 7686] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] <... close resumed>) = 0 [pid 7686] <... openat resumed>) = 4 [pid 5072] rmdir("./216" [pid 7686] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... rmdir resumed>) = 0 [pid 5072] mkdir("./217", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 7686] <... ioctl resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] close(3 [pid 7686] close(3 [pid 5072] <... close resumed>) = 0 [pid 7686] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7686] mkdir("./file0", 0777 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7689 [pid 7686] <... mkdir resumed>) = 0 [pid 7686] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7689 attached [pid 7689] chdir("./217") = 0 [pid 7689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7688] <... write resumed>) = 4194304 [ 280.933602][ T7683] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 280.955028][ T7686] loop0: detected capacity change from 0 to 8192 [ 280.981828][ T7686] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7689] <... prctl resumed>) = 0 [pid 7688] munmap(0x7f8a1b2e3000, 4194304 [pid 7689] setpgid(0, 0 [pid 7688] <... munmap resumed>) = 0 [pid 7683] <... mount resumed>) = 0 [ 280.985505][ T7683] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 280.998231][ T7681] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.004534][ T7680] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.022055][ T7686] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7689] <... setpgid resumed>) = 0 [pid 7688] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7683] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7680] <... mount resumed>) = 0 [pid 7689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7689] write(3, "1000", 4) = 4 [pid 7689] close(3) = 0 [pid 7689] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7688] <... openat resumed>) = 4 [pid 7683] <... openat resumed>) = 3 [pid 7680] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7689] memfd_create("syzkaller", 0) = 3 [pid 7689] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7688] ioctl(4, LOOP_SET_FD, 3 [pid 7683] chdir("./file0") = 0 [pid 7680] <... openat resumed>) = 3 [pid 7688] <... ioctl resumed>) = 0 [pid 7683] ioctl(4, LOOP_CLR_FD [pid 7680] chdir("./file0" [pid 7688] close(3 [pid 7683] <... ioctl resumed>) = 0 [pid 7680] <... chdir resumed>) = 0 [ 281.034260][ T7680] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 281.044184][ T7681] REISERFS (device loop4): checking transaction log (loop4) [ 281.051646][ T7686] REISERFS (device loop0): using ordered data mode [ 281.065529][ T7686] reiserfs: using flush barriers [ 281.071146][ T7688] loop5: detected capacity change from 0 to 8192 [ 281.079225][ T7686] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7688] <... close resumed>) = 0 [pid 7683] close(4 [pid 7680] ioctl(4, LOOP_CLR_FD [pid 7688] mkdir("./file0", 0777 [pid 7683] <... close resumed>) = 0 [pid 7688] <... mkdir resumed>) = 0 [pid 7683] mkdir(NULL, 000 [pid 7680] <... ioctl resumed>) = 0 [pid 7688] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7683] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7680] close(4 [pid 7683] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7680] <... close resumed>) = 0 [pid 7683] <... openat resumed>) = 4 [pid 7680] mkdir(NULL, 000 [pid 7683] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7680] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7683] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7680] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7683] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7680] <... openat resumed>) = 4 [ 281.083379][ T7681] REISERFS (device loop4): Using r5 hash to sort names [ 281.095952][ T7686] REISERFS (device loop0): checking transaction log (loop0) [ 281.115156][ T7681] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.129732][ T7686] REISERFS (device loop0): Using r5 hash to sort names [ 281.131316][ T7681] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7681] <... mount resumed>) = 0 [pid 7681] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7681] chdir("./file0") = 0 [pid 7681] ioctl(4, LOOP_CLR_FD) = 0 [pid 7681] close(4) = 0 [pid 7681] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7681] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7681] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7683] exit_group(0) = ? [pid 7680] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7681] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7681] mount(NULL, "./bus", NULL, 0, NULL [pid 7683] +++ exited with 0 +++ [pid 7680] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7683, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7680] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7680] exit_group(0) = ? [pid 7681] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7680] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7680, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5070] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW [ 281.150788][ T7688] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7681] exit_group(0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7689] 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"..., 4194304 [pid 7681] <... exit_group resumed>) = ? [pid 5070] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7681] +++ exited with 0 +++ [pid 5071] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7681, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5071] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] lstat("./214/binderfs", [pid 5073] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] fstat(3, [pid 5070] unlink("./214/binderfs" [ 281.191629][ T7686] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.195044][ T7688] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 281.213563][ T7688] REISERFS (device loop5): using ordered data mode [ 281.220769][ T7688] reiserfs: using flush barriers [pid 5073] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 7686] <... mount resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5071] getdents64(3, [pid 5070] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7686] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] fstat(3, [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7686] <... openat resumed>) = 3 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7686] chdir("./file0" [pid 5073] getdents64(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7686] <... chdir resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] lstat("./215/binderfs", [pid 7686] ioctl(4, LOOP_CLR_FD [pid 5073] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7686] <... ioctl resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] unlink("./215/binderfs" [ 281.227528][ T7688] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.236677][ T7686] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 281.244679][ T7688] REISERFS (device loop5): checking transaction log (loop5) [pid 7686] close(4 [pid 5073] lstat("./218/binderfs", [pid 5071] <... unlink resumed>) = 0 [pid 7689] <... write resumed>) = 4194304 [pid 7686] <... close resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7686] mkdir(NULL, 000 [pid 5073] unlink("./218/binderfs" [pid 7686] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... unlink resumed>) = 0 [pid 7686] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7689] munmap(0x7f8a1b2e3000, 4194304 [pid 7686] <... openat resumed>) = 4 [pid 7686] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7686] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7686] exit_group(0) = ? [pid 7689] <... munmap resumed>) = 0 [pid 7686] +++ exited with 0 +++ [pid 7689] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7686, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7689] <... openat resumed>) = 4 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 7689] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5069] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [ 281.296923][ T7688] REISERFS (device loop5): Using r5 hash to sort names [ 281.304042][ T7688] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.317590][ T7688] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 281.337629][ T7689] loop3: detected capacity change from 0 to 8192 [pid 5069] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7689] <... ioctl resumed>) = 0 [pid 7688] <... mount resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7689] close(3 [pid 7688] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] lstat("./211/binderfs", [pid 7689] <... close resumed>) = 0 [pid 7688] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7689] mkdir("./file0", 0777 [pid 7688] chdir("./file0" [pid 5070] lstat("./214/file0", [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7689] <... mkdir resumed>) = 0 [pid 7688] <... chdir resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] unlink("./211/binderfs" [pid 7689] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7688] ioctl(4, LOOP_CLR_FD [pid 5070] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7688] <... ioctl resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... unlink resumed>) = 0 [pid 7688] close(4 [pid 5070] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7688] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5069] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7688] mkdir(NULL, 000 [pid 5070] fstat(4, [pid 7688] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7688] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] getdents64(4, [pid 7688] <... openat resumed>) = 4 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7688] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] getdents64(4, [pid 7688] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7688] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] close(4 [pid 7688] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... close resumed>) = 0 [pid 7688] exit_group(0 [pid 5070] rmdir("./214/file0" [pid 7688] <... exit_group resumed>) = ? [pid 5070] <... rmdir resumed>) = 0 [pid 7688] +++ exited with 0 +++ [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./214") = 0 [pid 5070] mkdir("./215", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7693 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7688, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5074] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./219/binderfs") = 0 [pid 5074] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7693 attached [pid 7693] chdir("./215") = 0 [pid 7693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7693] setpgid(0, 0) = 0 [pid 7693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7693] write(3, "1000", 4) = 4 [pid 7693] close(3) = 0 [pid 7693] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7693] memfd_create("syzkaller", 0) = 3 [pid 7693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./219/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 281.367307][ T7689] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.393731][ T7689] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./219/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./219") = 0 [pid 5074] mkdir("./220", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = 0 [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7693] 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"..., 4194304 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7694 ./strace-static-x86_64: Process 7694 attached [pid 7694] chdir("./220") = 0 [pid 7694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7694] setpgid(0, 0) = 0 [pid 7694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7694] write(3, "1000", 4) = 4 [pid 7694] close(3) = 0 [pid 7694] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7694] memfd_create("syzkaller", 0) = 3 [pid 5073] <... umount2 resumed>) = 0 [pid 5073] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./218/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 281.473814][ T7689] REISERFS (device loop3): using ordered data mode [pid 5073] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./218/file0" [pid 5069] <... umount2 resumed>) = 0 [ 281.528826][ T7689] reiserfs: using flush barriers [pid 5073] <... rmdir resumed>) = 0 [pid 5073] getdents64(3, [pid 5071] <... umount2 resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] close(3) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] rmdir("./218" [pid 5071] lstat("./215/file0", [pid 5069] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... rmdir resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] mkdir("./219", 0777 [pid 5071] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] lstat("./211/file0", [pid 5073] <... mkdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5071] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 4 [pid 5069] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5071] fstat(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] close(3 [pid 5071] getdents64(4, [pid 5069] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... openat resumed>) = 4 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] getdents64(4, [pid 5069] fstat(4, [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] close(4 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7695 [pid 5071] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5071] rmdir("./215/file0" [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5069] getdents64(4, [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5069] close(4) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] rmdir("./211/file0" [pid 5071] rmdir("./215" [pid 5069] <... rmdir resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5071] mkdir("./216", 0777 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] close(3 [ 281.557170][ T7689] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./211" [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] <... rmdir resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] mkdir("./212", 0777./strace-static-x86_64: Process 7695 attached [pid 5071] close(3 [pid 5069] <... mkdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7695] chdir("./219" [pid 5069] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7696 attached [pid 7695] <... chdir resumed>) = 0 [pid 7696] chdir("./216" [pid 7695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7696 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7696] <... chdir resumed>) = 0 [pid 7695] <... prctl resumed>) = 0 [pid 7695] setpgid(0, 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7695] <... setpgid resumed>) = 0 [pid 7696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] close(3 [pid 7696] <... prctl resumed>) = 0 [pid 7695] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 7695] write(3, "1000", 4) = 4 [pid 7695] close(3) = 0 [pid 7693] <... write resumed>) = 4194304 [pid 7695] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7695] memfd_create("syzkaller", 0) = 3 [pid 7695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7696] setpgid(0, 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7693] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7693] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7693] ioctl(4, LOOP_SET_FD, 3 [pid 7696] <... setpgid resumed>) = 0 [pid 7696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7694] 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"..., 4194304 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7697 [pid 7696] <... openat resumed>) = 3 [pid 7696] write(3, "1000", 4./strace-static-x86_64: Process 7697 attached [pid 7697] chdir("./212") = 0 [pid 7697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7697] setpgid(0, 0) = 0 [pid 7697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7696] <... write resumed>) = 4 [pid 7697] <... openat resumed>) = 3 [pid 7696] close(3 [pid 7697] write(3, "1000", 4 [pid 7696] <... close resumed>) = 0 [pid 7697] <... write resumed>) = 4 [pid 7696] symlink("/dev/binderfs", "./binderfs" [pid 7697] close(3 [pid 7696] <... symlink resumed>) = 0 [pid 7697] <... close resumed>) = 0 [ 281.639074][ T7689] REISERFS (device loop3): checking transaction log (loop3) [ 281.651725][ T7693] loop1: detected capacity change from 0 to 8192 [ 281.666048][ T7689] REISERFS (device loop3): Using r5 hash to sort names [pid 7697] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7696] memfd_create("syzkaller", 0 [pid 7697] memfd_create("syzkaller", 0) = 3 [pid 7697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7696] <... memfd_create resumed>) = 3 [pid 7693] <... ioctl resumed>) = 0 [pid 7693] close(3) = 0 [pid 7693] mkdir("./file0", 0777) = 0 [pid 7693] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7689] <... mount resumed>) = 0 [pid 7689] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7689] chdir("./file0") = 0 [pid 7689] ioctl(4, LOOP_CLR_FD) = 0 [pid 7689] close(4) = 0 [pid 7689] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7689] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7695] 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"..., 4194304 [pid 7689] <... openat resumed>) = 4 [pid 7689] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7689] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [ 281.686972][ T7689] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 281.700974][ T7689] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 281.723006][ T7693] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7689] exit_group(0) = ? [pid 7689] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7689, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 7697] 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"..., 4194304 [pid 7696] 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"..., 4194304 [pid 5072] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 281.766584][ T7693] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 281.776366][ T7693] REISERFS (device loop1): using ordered data mode [ 281.785215][ T7693] reiserfs: using flush barriers [ 281.792072][ T7693] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./217/binderfs" [pid 7694] <... write resumed>) = 4194304 [pid 5072] <... unlink resumed>) = 0 [pid 5072] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7694] munmap(0x7f8a1b2e3000, 4194304 [pid 7697] <... write resumed>) = 4194304 [pid 7694] <... munmap resumed>) = 0 [pid 7697] munmap(0x7f8a1b2e3000, 4194304 [pid 7694] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7697] <... munmap resumed>) = 0 [pid 7694] <... openat resumed>) = 4 [pid 7697] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 281.810653][ T7693] REISERFS (device loop1): checking transaction log (loop1) [ 281.820693][ T7693] REISERFS (device loop1): Using r5 hash to sort names [ 281.840376][ T7693] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7694] ioctl(4, LOOP_SET_FD, 3 [pid 7697] ioctl(4, LOOP_SET_FD, 3 [pid 7695] <... write resumed>) = 4194304 [pid 7694] <... ioctl resumed>) = 0 [pid 7697] <... ioctl resumed>) = 0 [pid 7695] munmap(0x7f8a1b2e3000, 4194304 [pid 7694] close(3 [pid 7693] <... mount resumed>) = 0 [pid 7697] close(3 [pid 7695] <... munmap resumed>) = 0 [pid 7694] <... close resumed>) = 0 [pid 7693] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7697] <... close resumed>) = 0 [pid 7695] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7694] mkdir("./file0", 0777 [pid 7697] mkdir("./file0", 0777 [pid 7695] <... openat resumed>) = 4 [pid 7693] <... openat resumed>) = 3 [pid 7697] <... mkdir resumed>) = 0 [pid 7695] ioctl(4, LOOP_SET_FD, 3 [pid 7694] <... mkdir resumed>) = 0 [pid 7693] chdir("./file0" [pid 7697] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7694] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7693] <... chdir resumed>) = 0 [pid 7695] <... ioctl resumed>) = 0 [pid 7695] close(3 [pid 7693] ioctl(4, LOOP_CLR_FD [pid 7695] <... close resumed>) = 0 [pid 7693] <... ioctl resumed>) = 0 [pid 7695] mkdir("./file0", 0777 [pid 7693] close(4 [pid 7696] <... write resumed>) = 4194304 [pid 7695] <... mkdir resumed>) = 0 [pid 7693] <... close resumed>) = 0 [pid 7696] munmap(0x7f8a1b2e3000, 4194304 [pid 7695] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7693] mkdir(NULL, 000 [pid 7696] <... munmap resumed>) = 0 [pid 7693] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7696] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7693] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7696] <... openat resumed>) = 4 [pid 7693] <... openat resumed>) = 4 [pid 7693] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7696] ioctl(4, LOOP_SET_FD, 3 [pid 7693] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [ 281.867292][ T7694] loop5: detected capacity change from 0 to 8192 [ 281.873567][ T7693] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 281.883000][ T7697] loop0: detected capacity change from 0 to 8192 [ 281.906742][ T7695] loop4: detected capacity change from 0 to 8192 [pid 7696] <... ioctl resumed>) = 0 [pid 7696] close(3) = 0 [pid 7696] mkdir("./file0", 0777) = 0 [pid 7696] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7693] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7693] exit_group(0) = ? [pid 7693] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7693, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5070] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./215/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./215/binderfs") = 0 [ 281.935655][ T7696] loop2: detected capacity change from 0 to 8192 [ 281.943201][ T7694] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.956662][ T7695] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.970100][ T7697] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5070] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./217/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./217/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [ 281.972720][ T7694] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 281.993879][ T7696] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.994690][ T7694] REISERFS (device loop5): using ordered data mode [ 282.013716][ T7694] reiserfs: using flush barriers [ 282.023778][ T7695] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5072] rmdir("./217") = 0 [ 282.026415][ T7694] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.035448][ T7697] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 282.052219][ T7694] REISERFS (device loop5): checking transaction log (loop5) [ 282.058508][ T7697] REISERFS (device loop0): using ordered data mode [ 282.072646][ T7697] reiserfs: using flush barriers [ 282.075444][ T7694] REISERFS (device loop5): Using r5 hash to sort names [pid 5072] mkdir("./218", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7703 attached , child_tidptr=0x555556cad5d0) = 7703 [ 282.078984][ T7697] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.102208][ T7697] REISERFS (device loop0): checking transaction log (loop0) [ 282.109877][ T7695] REISERFS (device loop4): using ordered data mode [ 282.116524][ T7695] reiserfs: using flush barriers [pid 7703] chdir("./218") = 0 [ 282.122674][ T7695] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.126255][ T7697] REISERFS (device loop0): Using r5 hash to sort names [ 282.139482][ T7695] REISERFS (device loop4): checking transaction log (loop4) [ 282.152786][ T7694] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 282.164686][ T7695] REISERFS (device loop4): Using r5 hash to sort names [ 282.172722][ T7695] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7703] setpgid(0, 0) = 0 [pid 7703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... umount2 resumed>) = 0 [ 282.185885][ T7696] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 282.195242][ T7695] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 282.204494][ T7696] REISERFS (device loop2): using ordered data mode [ 282.211709][ T7697] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 282.216784][ T7694] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5070] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7703] <... openat resumed>) = 3 [pid 7695] <... mount resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./215/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, [pid 7703] write(3, "1000", 4 [pid 7695] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./215/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./215") = 0 [pid 5070] mkdir("./216", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 7703] <... write resumed>) = 4 [pid 7695] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7703] close(3 [pid 7697] <... mount resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 7703] <... close resumed>) = 0 [pid 7697] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7695] chdir("./file0" [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7704 [ 282.224695][ T7696] reiserfs: using flush barriers [ 282.239119][ T7697] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 282.249485][ T7696] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.266604][ T7696] REISERFS (device loop2): checking transaction log (loop2) [ 282.274925][ T7696] REISERFS (device loop2): Using r5 hash to sort names ./strace-static-x86_64: Process 7704 attached [pid 7704] chdir("./216") = 0 [pid 7704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7703] symlink("/dev/binderfs", "./binderfs" [pid 7697] <... openat resumed>) = 3 [pid 7695] <... chdir resumed>) = 0 [pid 7704] <... prctl resumed>) = 0 [pid 7704] setpgid(0, 0) = 0 [pid 7704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7704] write(3, "1000", 4) = 4 [pid 7704] close(3 [pid 7694] <... mount resumed>) = 0 [pid 7704] <... close resumed>) = 0 [pid 7703] <... symlink resumed>) = 0 [pid 7697] chdir("./file0" [pid 7696] <... mount resumed>) = 0 [pid 7695] ioctl(4, LOOP_CLR_FD [pid 7703] memfd_create("syzkaller", 0 [pid 7697] <... chdir resumed>) = 0 [pid 7696] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7695] <... ioctl resumed>) = 0 [pid 7703] <... memfd_create resumed>) = 3 [pid 7697] ioctl(4, LOOP_CLR_FD [pid 7696] <... openat resumed>) = 3 [pid 7695] close(4 [pid 7703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7697] <... ioctl resumed>) = 0 [pid 7696] chdir("./file0" [pid 7695] <... close resumed>) = 0 [pid 7703] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7697] close(4 [pid 7696] <... chdir resumed>) = 0 [pid 7695] mkdir(NULL, 000 [pid 7697] <... close resumed>) = 0 [pid 7696] ioctl(4, LOOP_CLR_FD [pid 7695] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7704] symlink("/dev/binderfs", "./binderfs" [pid 7697] mkdir(NULL, 000 [pid 7696] <... ioctl resumed>) = 0 [pid 7695] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7694] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7704] <... symlink resumed>) = 0 [pid 7697] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7696] close(4 [pid 7695] <... openat resumed>) = 4 [pid 7697] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7696] <... close resumed>) = 0 [pid 7695] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7697] <... openat resumed>) = 4 [pid 7696] mkdir(NULL, 000 [pid 7695] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7704] memfd_create("syzkaller", 0 [pid 7697] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7696] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7695] mount(NULL, "./bus", NULL, 0, NULL [pid 7697] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7696] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7695] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7697] mount(NULL, "./bus", NULL, 0, NULL [pid 7696] <... openat resumed>) = 4 [pid 7695] exit_group(0 [pid 7697] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7696] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7695] <... exit_group resumed>) = ? [pid 7704] <... memfd_create resumed>) = 3 [pid 7697] exit_group(0 [pid 7696] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7695] +++ exited with 0 +++ [pid 7694] <... openat resumed>) = 3 [pid 7697] <... exit_group resumed>) = ? [pid 7696] mount(NULL, "./bus", NULL, 0, NULL [pid 7704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7697] +++ exited with 0 +++ [pid 7696] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7694] chdir("./file0" [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7695, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 7704] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7696] exit_group(0) = ? [ 282.282479][ T7696] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 282.295697][ T7696] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7696] +++ exited with 0 +++ [pid 7694] <... chdir resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7696, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5071] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./216/binderfs") = 0 [pid 5071] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7703] 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"..., 4194304 [pid 7694] ioctl(4, LOOP_CLR_FD [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7697, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 7694] <... ioctl resumed>) = 0 [pid 5073] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7694] close(4 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7694] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7694] mkdir(NULL, 000 [pid 5073] <... openat resumed>) = 3 [pid 7694] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] fstat(3, [pid 5069] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7694] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7694] <... openat resumed>) = 4 [pid 5073] getdents64(3, [pid 5069] <... openat resumed>) = 3 [pid 7694] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] fstat(3, [pid 7694] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7694] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7694] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] lstat("./219/binderfs", [pid 7694] exit_group(0 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] getdents64(3, [pid 7704] 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"..., 4194304 [pid 7694] <... exit_group resumed>) = ? [pid 5073] unlink("./219/binderfs") = 0 [pid 5073] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7694] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7694, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5069] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./212/binderfs", [pid 5074] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] unlink("./212/binderfs" [pid 5074] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] <... unlink resumed>) = 0 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./220/binderfs") = 0 [pid 5074] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7703] <... write resumed>) = 4194304 [pid 7703] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7703] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7703] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7703] close(3) = 0 [pid 7703] mkdir("./file0", 0777) = 0 [pid 7703] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] <... umount2 resumed>) = 0 [ 282.461570][ T7703] loop3: detected capacity change from 0 to 8192 [ 282.473784][ T7703] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.487929][ T7703] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 282.497375][ T7703] REISERFS (device loop3): using ordered data mode [ 282.503946][ T7703] reiserfs: using flush barriers [pid 5071] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./216/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 282.510460][ T7703] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.527427][ T7703] REISERFS (device loop3): checking transaction log (loop3) [ 282.535850][ T7703] REISERFS (device loop3): Using r5 hash to sort names [ 282.543972][ T7703] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./216/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./216" [pid 7703] <... mount resumed>) = 0 [pid 7703] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7703] chdir("./file0") = 0 [pid 7703] ioctl(4, LOOP_CLR_FD [pid 5071] <... rmdir resumed>) = 0 [pid 5071] mkdir("./217", 0777 [pid 7703] <... ioctl resumed>) = 0 [pid 7703] close(4) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 7703] mkdir(NULL, 000 [pid 5074] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... mkdir resumed>) = 0 [pid 7703] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7703] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] lstat("./220/file0", [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7704] <... write resumed>) = 4194304 [pid 7703] <... openat resumed>) = 4 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7704] munmap(0x7f8a1b2e3000, 4194304 [pid 7703] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [ 282.557788][ T7703] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7704] <... munmap resumed>) = 0 [pid 7703] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7704] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7703] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7703] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... openat resumed>) = 4 [pid 5071] close(3 [pid 7704] <... openat resumed>) = 4 [pid 5071] <... close resumed>) = 0 [pid 7703] exit_group(0 [pid 5074] fstat(4, [pid 7704] ioctl(4, LOOP_SET_FD, 3 [pid 7703] <... exit_group resumed>) = ? [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7706 attached [pid 7706] chdir("./217" [pid 7704] <... ioctl resumed>) = 0 [pid 7703] +++ exited with 0 +++ [pid 5074] getdents64(4, [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7706 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7703, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7704] close(3 [pid 5074] getdents64(4, [pid 7704] <... close resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7704] mkdir("./file0", 0777 [pid 5074] close(4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7706] <... chdir resumed>) = 0 [pid 7704] <... mkdir resumed>) = 0 [pid 5074] rmdir("./220/file0" [pid 5073] <... umount2 resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = 0 [pid 7706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7704] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5074] <... rmdir resumed>) = 0 [pid 5073] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] fstat(3, [pid 7706] <... prctl resumed>) = 0 [pid 5074] getdents64(3, [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7706] setpgid(0, 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] lstat("./219/file0", [pid 5072] getdents64(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7706] <... setpgid resumed>) = 0 [pid 5074] close(3 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] lstat("./212/file0", [ 282.608929][ T7704] loop1: detected capacity change from 0 to 8192 [ 282.642849][ T7704] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... close resumed>) = 0 [pid 5073] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7706] <... openat resumed>) = 3 [pid 5074] rmdir("./220" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7706] write(3, "1000", 4 [pid 5074] <... rmdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7706] <... write resumed>) = 4 [pid 5074] mkdir("./221", 0777 [pid 5073] <... openat resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7706] close(3 [pid 5074] <... mkdir resumed>) = 0 [pid 5073] fstat(4, [pid 5069] <... openat resumed>) = 4 [pid 7706] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(4, [pid 7706] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... openat resumed>) = 3 [pid 5073] getdents64(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7706] <... symlink resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 7706] memfd_create("syzkaller", 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] getdents64(4, [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7706] <... memfd_create resumed>) = 3 [pid 5074] close(3 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 7706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... close resumed>) = 0 [pid 5073] close(4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7706] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... close resumed>) = 0 [pid 5069] close(4 [pid 5073] rmdir("./219/file0" [pid 5072] lstat("./218/binderfs", [pid 5069] <... close resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7708 [pid 5073] <... rmdir resumed>) = 0 [pid 5069] rmdir("./212/file0" [pid 5073] getdents64(3, [pid 5069] <... rmdir resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(3, [pid 5073] close(3 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] <... close resumed>) = 0 [pid 5069] close(3 [pid 5073] rmdir("./219" [pid 5069] <... close resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] rmdir("./212"./strace-static-x86_64: Process 7708 attached [pid 5073] mkdir("./220", 0777 [pid 5069] <... rmdir resumed>) = 0 [ 282.657695][ T7704] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 282.668456][ T7704] REISERFS (device loop1): using ordered data mode [ 282.675585][ T7704] reiserfs: using flush barriers [ 282.681833][ T7704] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7708] chdir("./221" [pid 5073] <... mkdir resumed>) = 0 [pid 5069] mkdir("./213", 0777 [pid 7708] <... chdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... mkdir resumed>) = 0 [pid 7708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7708] <... prctl resumed>) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5069] <... openat resumed>) = 3 [pid 7708] setpgid(0, 0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] unlink("./218/binderfs" [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7708] <... setpgid resumed>) = 0 [pid 5073] close(3 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... close resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5069] close(3 [pid 7708] <... openat resumed>) = 3 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... close resumed>) = 0 [pid 7708] write(3, "1000", 4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7708] <... write resumed>) = 4 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7709 [pid 7708] close(3 [pid 5072] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7710 ./strace-static-x86_64: Process 7710 attached ./strace-static-x86_64: Process 7709 attached [pid 7708] <... close resumed>) = 0 [pid 7704] <... mount resumed>) = 0 [pid 7710] chdir("./213" [pid 7709] chdir("./220" [pid 7708] symlink("/dev/binderfs", "./binderfs" [pid 7704] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7710] <... chdir resumed>) = 0 [pid 7709] <... chdir resumed>) = 0 [pid 7708] <... symlink resumed>) = 0 [pid 7704] <... openat resumed>) = 3 [pid 7710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7708] memfd_create("syzkaller", 0 [pid 7704] chdir("./file0" [pid 7710] <... prctl resumed>) = 0 [pid 7709] <... prctl resumed>) = 0 [pid 7708] <... memfd_create resumed>) = 3 [pid 7704] <... chdir resumed>) = 0 [pid 7710] setpgid(0, 0 [pid 7709] setpgid(0, 0 [pid 7708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7706] 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"..., 4194304 [pid 7704] ioctl(4, LOOP_CLR_FD [pid 7710] <... setpgid resumed>) = 0 [pid 7709] <... setpgid resumed>) = 0 [pid 7708] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7704] <... ioctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 7710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7704] close(4 [pid 5072] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] <... openat resumed>) = 3 [pid 7709] <... openat resumed>) = 3 [pid 7704] <... close resumed>) = 0 [ 282.705701][ T7704] REISERFS (device loop1): checking transaction log (loop1) [ 282.714388][ T7704] REISERFS (device loop1): Using r5 hash to sort names [ 282.726483][ T7704] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 282.740206][ T7704] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7710] write(3, "1000", 4 [pid 7709] write(3, "1000", 4 [pid 7704] mkdir(NULL, 000 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7710] <... write resumed>) = 4 [pid 7709] <... write resumed>) = 4 [pid 7704] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5072] lstat("./218/file0", [pid 7710] close(3 [pid 7709] close(3 [pid 7704] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7710] <... close resumed>) = 0 [pid 7709] <... close resumed>) = 0 [pid 7710] symlink("/dev/binderfs", "./binderfs" [pid 7709] symlink("/dev/binderfs", "./binderfs" [pid 7704] <... openat resumed>) = 4 [pid 5072] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] <... symlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7709] <... symlink resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7710] memfd_create("syzkaller", 0) = 3 [pid 7709] memfd_create("syzkaller", 0 [pid 7704] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] <... openat resumed>) = 4 [pid 7710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7709] <... memfd_create resumed>) = 3 [pid 7704] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5072] fstat(4, [pid 7710] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7704] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7709] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7704] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7704] exit_group(0 [pid 5072] getdents64(4, [pid 7704] <... exit_group resumed>) = ? [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7704] +++ exited with 0 +++ [pid 5072] close(4) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7704, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5072] rmdir("./218/file0" [pid 7708] 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"..., 4194304 [pid 5072] <... rmdir resumed>) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3 [pid 5070] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] rmdir("./218" [pid 5070] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5072] mkdir("./219", 0777 [pid 5070] fstat(3, [pid 5072] <... mkdir resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5070] getdents64(3, [pid 5072] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(3 [pid 5070] lstat("./216/binderfs", [pid 7710] 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"..., 4194304 [pid 7709] 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"..., 4194304 [pid 5072] <... close resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./216/binderfs") = 0 [pid 5070] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7711 ./strace-static-x86_64: Process 7711 attached [pid 7711] chdir("./219") = 0 [pid 7711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7711] setpgid(0, 0) = 0 [pid 7711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7711] write(3, "1000", 4) = 4 [pid 7711] close(3) = 0 [pid 7711] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7711] memfd_create("syzkaller", 0) = 3 [pid 7711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7706] <... write resumed>) = 4194304 [pid 7706] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7706] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7706] ioctl(4, LOOP_SET_FD, 3 [pid 7708] <... write resumed>) = 4194304 [pid 5070] <... umount2 resumed>) = 0 [pid 7706] <... ioctl resumed>) = 0 [pid 7706] close(3 [pid 7708] munmap(0x7f8a1b2e3000, 4194304 [pid 7711] 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"..., 4194304 [pid 7710] <... write resumed>) = 4194304 [pid 7709] <... write resumed>) = 4194304 [pid 5070] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] munmap(0x7f8a1b2e3000, 4194304 [pid 7709] munmap(0x7f8a1b2e3000, 4194304 [pid 7708] <... munmap resumed>) = 0 [pid 7706] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7710] <... munmap resumed>) = 0 [pid 7708] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7706] mkdir("./file0", 0777 [pid 5070] lstat("./216/file0", [pid 7710] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7708] <... openat resumed>) = 4 [pid 7706] <... mkdir resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7710] <... openat resumed>) = 4 [pid 7706] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] ioctl(4, LOOP_SET_FD, 3 [pid 7708] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7709] <... munmap resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./216/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./216") = 0 [pid 5070] mkdir("./217", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 7709] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 282.983200][ T7706] loop2: detected capacity change from 0 to 8192 [ 283.011495][ T7710] loop0: detected capacity change from 0 to 8192 [ 283.011853][ T7708] loop5: detected capacity change from 0 to 8192 [pid 5070] close(3 [pid 7711] <... write resumed>) = 4194304 [pid 7710] <... ioctl resumed>) = 0 [pid 7709] <... openat resumed>) = 4 [pid 7708] <... ioctl resumed>) = 0 [pid 7711] munmap(0x7f8a1b2e3000, 4194304 [pid 7710] close(3 [pid 7709] ioctl(4, LOOP_SET_FD, 3 [pid 7708] close(3 [pid 7711] <... munmap resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 7711] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7711] ioctl(4, LOOP_SET_FD, 3 [pid 7710] <... close resumed>) = 0 [pid 7711] <... ioctl resumed>) = 0 [pid 7711] close(3) = 0 [pid 7711] mkdir("./file0", 0777) = 0 [pid 7711] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7708] <... close resumed>) = 0 [ 283.047045][ T7706] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.061132][ T7706] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 283.062624][ T7711] loop3: detected capacity change from 0 to 8192 [ 283.070786][ T7709] loop4: detected capacity change from 0 to 8192 [ 283.083645][ T7711] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7710] mkdir("./file0", 0777 [pid 7709] <... ioctl resumed>) = 0 [pid 7708] mkdir("./file0", 0777./strace-static-x86_64: Process 7714 attached [pid 7710] <... mkdir resumed>) = 0 [pid 7709] close(3 [pid 7714] chdir("./217" [pid 7708] <... mkdir resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7714 [pid 7709] <... close resumed>) = 0 [pid 7709] mkdir("./file0", 0777 [pid 7710] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7708] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7714] <... chdir resumed>) = 0 [pid 7709] <... mkdir resumed>) = 0 [pid 7714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7709] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7714] setpgid(0, 0) = 0 [pid 7714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7714] write(3, "1000", 4) = 4 [pid 7714] close(3) = 0 [pid 7714] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7714] memfd_create("syzkaller", 0) = 3 [pid 7714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 283.085013][ T7706] REISERFS (device loop2): using ordered data mode [ 283.105968][ T7706] reiserfs: using flush barriers [ 283.116649][ T7710] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.130031][ T7708] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.130728][ T7706] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.150350][ T7711] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 283.160077][ T7709] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.168440][ T7711] REISERFS (device loop3): using ordered data mode [ 283.187626][ T7708] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 283.187794][ T7711] reiserfs: using flush barriers [ 283.198752][ T7710] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 283.203092][ T7706] REISERFS (device loop2): checking transaction log (loop2) [ 283.218545][ T7709] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 283.218720][ T7711] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.227756][ T7709] REISERFS (device loop4): using ordered data mode [ 283.250491][ T7709] reiserfs: using flush barriers [ 283.256719][ T7706] REISERFS (device loop2): Using r5 hash to sort names [ 283.263773][ T7706] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 283.276429][ T7709] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7714] 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"..., 4194304 [pid 7706] <... mount resumed>) = 0 [pid 7706] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 283.292875][ T7709] REISERFS (device loop4): checking transaction log (loop4) [ 283.300350][ T7706] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 283.306668][ T7711] REISERFS (device loop3): checking transaction log (loop3) [ 283.309449][ T7708] REISERFS (device loop5): using ordered data mode [ 283.323611][ T7710] REISERFS (device loop0): using ordered data mode [ 283.329390][ T7711] REISERFS (device loop3): Using r5 hash to sort names [ 283.330536][ T7708] reiserfs: using flush barriers [ 283.342463][ T7710] reiserfs: using flush barriers [pid 7706] chdir("./file0") = 0 [ 283.349062][ T7709] REISERFS (device loop4): Using r5 hash to sort names [ 283.355379][ T7711] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 283.358743][ T7710] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7706] ioctl(4, LOOP_CLR_FD) = 0 [pid 7706] close(4) = 0 [pid 7706] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7706] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7706] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7706] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7706] exit_group(0 [pid 7714] <... write resumed>) = 4194304 [pid 7706] <... exit_group resumed>) = ? [pid 7706] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7706, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5071] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7714] munmap(0x7f8a1b2e3000, 4194304 [pid 5071] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7714] <... munmap resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7714] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] lstat("./217/binderfs", [pid 7714] <... openat resumed>) = 4 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7714] ioctl(4, LOOP_SET_FD, 3 [ 283.385367][ T7708] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.417396][ T7711] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 283.418334][ T7709] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 283.433942][ T7714] loop1: detected capacity change from 0 to 8192 [pid 5071] unlink("./217/binderfs") = 0 [pid 5071] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7711] <... mount resumed>) = 0 [pid 7714] <... ioctl resumed>) = 0 [pid 7714] close(3) = 0 [pid 7714] mkdir("./file0", 0777 [pid 7711] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7714] <... mkdir resumed>) = 0 [pid 7711] <... openat resumed>) = 3 [pid 7711] chdir("./file0" [pid 7714] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7711] <... chdir resumed>) = 0 [pid 7711] ioctl(4, LOOP_CLR_FD) = 0 [pid 7711] close(4) = 0 [pid 7711] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7711] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7711] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7711] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7711] exit_group(0) = ? [pid 7711] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7711, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5072] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./219/binderfs") = 0 [pid 5072] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7709] <... mount resumed>) = 0 [pid 7709] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7709] chdir("./file0") = 0 [pid 7709] ioctl(4, LOOP_CLR_FD) = 0 [pid 7709] close(4) = 0 [pid 7709] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7709] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7709] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7709] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7709] exit_group(0) = ? [pid 7709] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7709, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5073] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 283.440936][ T7708] REISERFS (device loop5): checking transaction log (loop5) [ 283.453556][ T7709] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 283.464474][ T7710] REISERFS (device loop0): checking transaction log (loop0) [ 283.479461][ T7708] REISERFS (device loop5): Using r5 hash to sort names [pid 5073] lstat("./220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./220/binderfs") = 0 [ 283.517824][ T7714] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.542787][ T7708] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 283.551616][ T7714] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5073] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7708] <... mount resumed>) = 0 [pid 7708] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7708] chdir("./file0") = 0 [ 283.565501][ T7714] REISERFS (device loop1): using ordered data mode [ 283.567291][ T7710] REISERFS (device loop0): Using r5 hash to sort names [ 283.572279][ T7714] reiserfs: using flush barriers [ 283.585295][ T7708] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 283.594592][ T7714] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7708] ioctl(4, LOOP_CLR_FD) = 0 [pid 7708] close(4) = 0 [pid 7708] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7708] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7708] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7710] <... mount resumed>) = 0 [pid 7708] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = 0 [pid 7710] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7708] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] <... openat resumed>) = 3 [pid 7708] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7710] chdir("./file0" [pid 7708] exit_group(0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7710] <... chdir resumed>) = 0 [pid 7708] <... exit_group resumed>) = ? [pid 7710] ioctl(4, LOOP_CLR_FD [pid 7708] +++ exited with 0 +++ [pid 5071] lstat("./217/file0", [pid 7710] <... ioctl resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7710] close(4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7708, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5071] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] <... close resumed>) = 0 [ 283.613737][ T7714] REISERFS (device loop1): checking transaction log (loop1) [ 283.621730][ T7710] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 283.635200][ T7714] REISERFS (device loop1): Using r5 hash to sort names [ 283.642452][ T7710] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 283.646500][ T7714] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5074] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7710] mkdir(NULL, 000 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7710] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7710] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 4 [pid 7710] <... openat resumed>) = 4 [pid 5074] fstat(3, [pid 5071] fstat(4, [pid 7710] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7710] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5071] getdents64(4, [pid 7710] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7710] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(4, [pid 7710] exit_group(0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7710] <... exit_group resumed>) = ? [pid 5074] lstat("./221/binderfs", [pid 5071] close(4 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./221/binderfs" [pid 7710] +++ exited with 0 +++ [pid 5074] <... unlink resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5074] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] rmdir("./217/file0" [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7710, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5069] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] <... rmdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(3, [pid 5069] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] fstat(3, [pid 5071] close(3 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 5071] rmdir("./217" [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] mkdir("./218", 0777 [pid 5069] lstat("./213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] unlink("./213/binderfs" [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... unlink resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7714] <... mount resumed>) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7714] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7714] <... openat resumed>) = 3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] close(3 [pid 7714] chdir("./file0" [pid 5073] lstat("./220/file0", [pid 5071] <... close resumed>) = 0 [pid 7714] <... chdir resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7714] ioctl(4, LOOP_CLR_FD [pid 5073] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7714] <... ioctl resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7719 [pid 7714] close(4 [pid 5073] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7714] <... close resumed>) = 0 [pid 5073] <... openat resumed>) = 4 [pid 7714] mkdir(NULL, 000 [pid 5073] fstat(4, [pid 7714] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 7714] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] getdents64(4, [pid 7714] <... openat resumed>) = 4 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7714] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] getdents64(4, [pid 5069] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7719 attached [pid 7714] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7714] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] close(4 [pid 7719] chdir("./218" [pid 7714] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] <... close resumed>) = 0 [ 283.722667][ T7714] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] lstat("./213/file0", [pid 7719] <... chdir resumed>) = 0 [pid 7714] exit_group(0 [pid 5073] rmdir("./220/file0" [pid 7714] <... exit_group resumed>) = ? [pid 5073] <... rmdir resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7714] +++ exited with 0 +++ [pid 5073] getdents64(3, [pid 5072] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7719] <... prctl resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7714, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7719] setpgid(0, 0 [pid 5073] close(3 [pid 5072] lstat("./219/file0", [pid 5069] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7719] <... setpgid resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] rmdir("./220" [pid 5072] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 4 [pid 7719] <... openat resumed>) = 3 [pid 5073] <... rmdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] fstat(4, [pid 7719] write(3, "1000", 4 [pid 5074] <... umount2 resumed>) = 0 [pid 5073] mkdir("./221", 0777 [pid 5072] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7719] <... write resumed>) = 4 [pid 5074] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... mkdir resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5070] <... openat resumed>) = 3 [pid 5069] getdents64(4, [pid 7719] close(3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] fstat(4, [pid 5070] fstat(3, [pid 7719] <... close resumed>) = 0 [pid 5074] lstat("./221/file0", [pid 5073] <... openat resumed>) = 3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7719] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5072] getdents64(4, [pid 5070] getdents64(3, [pid 5069] getdents64(4, [pid 7719] <... symlink resumed>) = 0 [pid 5074] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7719] memfd_create("syzkaller", 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] close(3 [pid 5072] getdents64(4, [pid 5070] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(4 [pid 7719] <... memfd_create resumed>) = 3 [pid 5074] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7720 [pid 7719] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... openat resumed>) = 4 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 7719] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] fstat(4, [pid 5072] close(4 [pid 5070] lstat("./217/binderfs", [pid 5069] rmdir("./213/file0"./strace-static-x86_64: Process 7720 attached [pid 7720] chdir("./221") = 0 [pid 7720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7720] setpgid(0, 0) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... close resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] getdents64(4, [pid 5072] rmdir("./219/file0" [pid 5070] unlink("./217/binderfs" [pid 5069] <... rmdir resumed>) = 0 [pid 7720] <... openat resumed>) = 3 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... rmdir resumed>) = 0 [pid 7720] write(3, "1000", 4 [pid 5074] getdents64(4, [pid 5072] getdents64(3, [pid 5070] <... unlink resumed>) = 0 [pid 5069] getdents64(3, [pid 7720] <... write resumed>) = 4 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7720] close(3 [pid 5074] close(4 [pid 5072] close(3 [pid 5070] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7720] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 7720] symlink("/dev/binderfs", "./binderfs" [pid 5074] rmdir("./221/file0" [pid 5072] rmdir("./219" [pid 5069] close(3 [pid 7720] <... symlink resumed>) = 0 [pid 7720] memfd_create("syzkaller", 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 7720] <... memfd_create resumed>) = 3 [pid 5074] getdents64(3, [pid 5072] <... rmdir resumed>) = 0 [pid 5069] rmdir("./213" [pid 7720] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] mkdir("./220", 0777 [pid 7720] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] close(3 [pid 5069] <... rmdir resumed>) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] mkdir("./214", 0777 [pid 5074] rmdir("./221" [pid 5072] <... openat resumed>) = 3 [pid 5069] <... mkdir resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5074] mkdir("./222", 0777 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5074] <... mkdir resumed>) = 0 [pid 5072] close(3 [pid 5069] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] <... close resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5074] <... openat resumed>) = 3 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5074] close(3 [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7721 [pid 5069] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7722 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7723 ./strace-static-x86_64: Process 7722 attached ./strace-static-x86_64: Process 7723 attached [pid 7722] chdir("./222"./strace-static-x86_64: Process 7721 attached [pid 7723] chdir("./214" [pid 7722] <... chdir resumed>) = 0 [pid 7719] 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"..., 4194304 [pid 7723] <... chdir resumed>) = 0 [pid 7722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7721] chdir("./220" [pid 7723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7722] <... prctl resumed>) = 0 [pid 7721] <... chdir resumed>) = 0 [pid 7723] <... prctl resumed>) = 0 [pid 7722] setpgid(0, 0 [pid 7721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7723] setpgid(0, 0 [pid 7722] <... setpgid resumed>) = 0 [pid 7721] <... prctl resumed>) = 0 [pid 7723] <... setpgid resumed>) = 0 [pid 7722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7721] setpgid(0, 0 [pid 5070] <... umount2 resumed>) = 0 [pid 7723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7722] <... openat resumed>) = 3 [pid 7721] <... setpgid resumed>) = 0 [pid 7723] <... openat resumed>) = 3 [pid 7722] write(3, "1000", 4 [pid 7721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7723] write(3, "1000", 4 [pid 7722] <... write resumed>) = 4 [pid 7721] <... openat resumed>) = 3 [pid 7723] <... write resumed>) = 4 [pid 7722] close(3 [pid 7721] write(3, "1000", 4 [pid 7723] close(3 [pid 7722] <... close resumed>) = 0 [pid 7721] <... write resumed>) = 4 [pid 5070] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7723] <... close resumed>) = 0 [pid 7722] symlink("/dev/binderfs", "./binderfs" [pid 7721] close(3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7723] symlink("/dev/binderfs", "./binderfs" [pid 7722] <... symlink resumed>) = 0 [pid 7721] <... close resumed>) = 0 [pid 5070] lstat("./217/file0", [pid 7723] <... symlink resumed>) = 0 [pid 7722] memfd_create("syzkaller", 0 [pid 7721] symlink("/dev/binderfs", "./binderfs" [pid 7723] memfd_create("syzkaller", 0 [pid 7722] <... memfd_create resumed>) = 3 [pid 7721] <... symlink resumed>) = 0 [pid 7720] 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"..., 4194304 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7723] <... memfd_create resumed>) = 3 [pid 7722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7721] memfd_create("syzkaller", 0 [pid 5070] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7723] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7722] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7721] <... memfd_create resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7723] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7721] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7720] <... write resumed>) = 4194304 [pid 5070] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7721] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7720] munmap(0x7f8a1b2e3000, 4194304 [pid 5070] <... openat resumed>) = 4 [pid 7720] <... munmap resumed>) = 0 [pid 5070] fstat(4, [pid 7720] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7720] <... openat resumed>) = 4 [pid 7720] ioctl(4, LOOP_SET_FD, 3 [pid 5070] getdents64(4, [pid 7722] 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"..., 4194304 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./217/file0") = 0 [pid 7720] <... ioctl resumed>) = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7720] close(3 [pid 5070] close(3 [pid 7720] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 7720] mkdir("./file0", 0777 [pid 5070] rmdir("./217") = 0 [pid 5070] mkdir("./218", 0777 [pid 7720] <... mkdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 7720] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7725 ./strace-static-x86_64: Process 7725 attached [pid 7725] chdir("./218") = 0 [pid 7725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7725] setpgid(0, 0) = 0 [pid 7725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7725] write(3, "1000", 4) = 4 [pid 7725] close(3) = 0 [pid 7725] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7725] memfd_create("syzkaller", 0) = 3 [pid 7725] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7719] <... write resumed>) = 4194304 [ 284.017242][ T7720] loop4: detected capacity change from 0 to 8192 [ 284.050528][ T7720] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7719] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7719] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7721] 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"..., 4194304 [pid 7719] <... openat resumed>) = 4 [pid 7719] ioctl(4, LOOP_SET_FD, 3 [pid 7723] 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"..., 4194304 [pid 7722] <... write resumed>) = 4194304 [pid 7722] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7722] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7719] <... ioctl resumed>) = 0 [pid 7722] <... openat resumed>) = 4 [pid 7719] close(3 [ 284.109493][ T7720] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 284.120060][ T7719] loop2: detected capacity change from 0 to 8192 [ 284.127729][ T7720] REISERFS (device loop4): using ordered data mode [ 284.137710][ T7720] reiserfs: using flush barriers [ 284.144824][ T7722] loop5: detected capacity change from 0 to 8192 [pid 7722] ioctl(4, LOOP_SET_FD, 3 [pid 7719] <... close resumed>) = 0 [pid 7719] mkdir("./file0", 0777) = 0 [pid 7719] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7725] 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"..., 4194304 [pid 7722] <... ioctl resumed>) = 0 [pid 7721] <... write resumed>) = 4194304 [pid 7721] munmap(0x7f8a1b2e3000, 4194304 [pid 7722] close(3 [pid 7721] <... munmap resumed>) = 0 [pid 7722] <... close resumed>) = 0 [pid 7721] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7722] mkdir("./file0", 0777 [pid 7721] <... openat resumed>) = 4 [ 284.151688][ T7720] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.177887][ T7719] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.196704][ T7720] REISERFS (device loop4): checking transaction log (loop4) [pid 7722] <... mkdir resumed>) = 0 [pid 7721] ioctl(4, LOOP_SET_FD, 3 [pid 7722] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7720] <... mount resumed>) = 0 [pid 7720] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7720] chdir("./file0" [pid 7723] <... write resumed>) = 4194304 [pid 7721] <... ioctl resumed>) = 0 [pid 7723] munmap(0x7f8a1b2e3000, 4194304 [pid 7721] close(3 [pid 7723] <... munmap resumed>) = 0 [pid 7721] <... close resumed>) = 0 [pid 7723] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7721] mkdir("./file0", 0777 [pid 7720] <... chdir resumed>) = 0 [pid 7723] <... openat resumed>) = 4 [pid 7721] <... mkdir resumed>) = 0 [pid 7720] ioctl(4, LOOP_CLR_FD [pid 7723] ioctl(4, LOOP_SET_FD, 3 [ 284.207462][ T7720] REISERFS (device loop4): Using r5 hash to sort names [ 284.211007][ T7721] loop3: detected capacity change from 0 to 8192 [ 284.214542][ T7720] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.234013][ T7720] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 284.235394][ T7719] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 7721] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7720] <... ioctl resumed>) = 0 [pid 7720] close(4) = 0 [pid 7720] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7720] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7725] <... write resumed>) = 4194304 [pid 7723] <... ioctl resumed>) = 0 [pid 7720] <... openat resumed>) = 4 [pid 7725] munmap(0x7f8a1b2e3000, 4194304 [pid 7723] close(3 [pid 7720] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7725] <... munmap resumed>) = 0 [pid 7723] <... close resumed>) = 0 [pid 7720] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7725] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7723] mkdir("./file0", 0777 [pid 7720] mount(NULL, "./bus", NULL, 0, NULL [pid 7725] <... openat resumed>) = 4 [pid 7723] <... mkdir resumed>) = 0 [pid 7720] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 284.272088][ T7723] loop0: detected capacity change from 0 to 8192 [ 284.287442][ T7722] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.300919][ T7721] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.301909][ T7725] loop1: detected capacity change from 0 to 8192 [pid 7725] ioctl(4, LOOP_SET_FD, 3 [pid 7723] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7720] exit_group(0 [pid 7725] <... ioctl resumed>) = 0 [pid 7725] close(3 [pid 7720] <... exit_group resumed>) = ? [pid 7725] <... close resumed>) = 0 [pid 7725] mkdir("./file0", 0777 [pid 7720] +++ exited with 0 +++ [pid 7725] <... mkdir resumed>) = 0 [ 284.320427][ T7719] REISERFS (device loop2): using ordered data mode [ 284.329781][ T7722] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 284.330498][ T7719] reiserfs: using flush barriers [ 284.339522][ T7721] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 284.347011][ T7722] REISERFS (device loop5): using ordered data mode [pid 7725] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7720, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5073] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 284.353650][ T7719] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.360470][ T7722] reiserfs: using flush barriers [ 284.381027][ T7723] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.382043][ T7721] REISERFS (device loop3): using ordered data mode [ 284.394565][ T7722] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./221/binderfs") = 0 [ 284.401352][ T7719] REISERFS (device loop2): checking transaction log (loop2) [ 284.425583][ T7723] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 284.433101][ T7719] REISERFS (device loop2): Using r5 hash to sort names [ 284.435427][ T7723] REISERFS (device loop0): using ordered data mode [ 284.448531][ T7723] reiserfs: using flush barriers [ 284.454513][ T7725] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.455196][ T7722] REISERFS (device loop5): checking transaction log (loop5) [ 284.472714][ T7721] reiserfs: using flush barriers [ 284.475137][ T7723] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.497462][ T7722] REISERFS (device loop5): Using r5 hash to sort names [ 284.498023][ T7719] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5073] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7722] <... mount resumed>) = 0 [pid 7722] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7722] chdir("./file0") = 0 [pid 7722] ioctl(4, LOOP_CLR_FD) = 0 [pid 7722] close(4) = 0 [pid 7722] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7722] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7722] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7722] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7722] exit_group(0) = ? [ 284.504470][ T7722] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.518446][ T7725] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 284.530485][ T7723] REISERFS (device loop0): checking transaction log (loop0) [ 284.539651][ T7722] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7722] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7722, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5074] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./222/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./222/binderfs") = 0 [pid 5074] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7723] <... mount resumed>) = 0 [pid 7723] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7723] chdir("./file0") = 0 [pid 7723] ioctl(4, LOOP_CLR_FD) = 0 [ 284.567452][ T7723] REISERFS (device loop0): Using r5 hash to sort names [ 284.574574][ T7723] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.588499][ T7723] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 284.600045][ T7725] REISERFS (device loop1): using ordered data mode [pid 7723] close(4) = 0 [pid 7723] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7723] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7723] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7723] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7723] exit_group(0) = ? [pid 7723] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7723, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5069] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 284.615050][ T7721] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.639725][ T7725] reiserfs: using flush barriers [ 284.645820][ T7725] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.656116][ T7719] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] lstat("./214/binderfs", [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] lstat("./221/file0", [pid 5069] unlink("./214/binderfs" [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5073] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./221/file0" [pid 7719] <... mount resumed>) = 0 [ 284.663446][ T7721] REISERFS (device loop3): checking transaction log (loop3) [ 284.688195][ T7721] REISERFS (device loop3): Using r5 hash to sort names [ 284.690076][ T7725] REISERFS (device loop1): checking transaction log (loop1) [pid 5073] <... rmdir resumed>) = 0 [pid 7719] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5073] getdents64(3, [pid 7719] chdir("./file0" [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 7719] <... chdir resumed>) = 0 [pid 5074] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7719] ioctl(4, LOOP_CLR_FD [pid 5073] close(3) = 0 [pid 7719] <... ioctl resumed>) = 0 [pid 7719] close(4 [pid 5073] rmdir("./221" [pid 7719] <... close resumed>) = 0 [pid 7719] mkdir(NULL, 000 [pid 5073] <... rmdir resumed>) = 0 [ 284.712987][ T7721] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.727031][ T7725] REISERFS (device loop1): Using r5 hash to sort names [ 284.747830][ T7725] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 284.763194][ T7721] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7719] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] mkdir("./222", 0777 [pid 7719] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... mkdir resumed>) = 0 [pid 5074] lstat("./222/file0", [pid 7719] <... openat resumed>) = 4 [pid 7719] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7719] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7719] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... openat resumed>) = 3 [pid 7721] <... mount resumed>) = 0 [pid 7719] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] ioctl(3, LOOP_CLR_FD [pid 7721] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7719] exit_group(0 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7719] <... exit_group resumed>) = ? [pid 5073] close(3 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7719] +++ exited with 0 +++ [pid 5073] <... close resumed>) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7719, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 7721] <... openat resumed>) = 3 [pid 5074] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7721] chdir("./file0" [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7731 [pid 5071] <... restart_syscall resumed>) = 0 [pid 7721] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 7731 attached [pid 7725] <... mount resumed>) = 0 [pid 7721] ioctl(4, LOOP_CLR_FD [pid 5071] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7725] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7721] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7721] close(4 [pid 5071] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7721] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 7721] mkdir(NULL, 000 [pid 5071] fstat(3, [pid 7725] <... openat resumed>) = 3 [pid 7721] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7725] chdir("./file0" [pid 7721] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7725] <... chdir resumed>) = 0 [pid 5071] getdents64(3, [pid 7731] chdir("./222" [pid 7725] ioctl(4, LOOP_CLR_FD [pid 7721] <... openat resumed>) = 4 [pid 5074] openat(AT_FDCWD, "./222/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7731] <... chdir resumed>) = 0 [pid 7725] <... ioctl resumed>) = 0 [pid 7721] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7725] close(4 [pid 7721] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7731] <... prctl resumed>) = 0 [pid 7725] <... close resumed>) = 0 [pid 7721] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... openat resumed>) = 4 [pid 5071] lstat("./218/binderfs", [pid 5069] <... umount2 resumed>) = 0 [pid 7731] setpgid(0, 0 [pid 7725] mkdir(NULL, 000 [pid 7721] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7731] <... setpgid resumed>) = 0 [pid 7725] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7721] exit_group(0 [pid 5074] fstat(4, [pid 5071] unlink("./218/binderfs" [pid 5069] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7725] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7721] <... exit_group resumed>) = ? [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7731] <... openat resumed>) = 3 [pid 7725] <... openat resumed>) = 4 [pid 7721] +++ exited with 0 +++ [pid 5074] getdents64(4, [pid 5071] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] lstat("./214/file0", [pid 7731] write(3, "1000", 4 [pid 7725] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7721, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7731] <... write resumed>) = 4 [pid 7725] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 5069] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7731] close(3 [pid 7725] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7731] <... close resumed>) = 0 [pid 7725] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] close(4 [pid 5069] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7731] symlink("/dev/binderfs", "./binderfs" [pid 7725] exit_group(0 [pid 5074] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 7731] <... symlink resumed>) = 0 [pid 7725] <... exit_group resumed>) = ? [pid 5074] rmdir("./222/file0" [pid 5069] fstat(4, [pid 7731] memfd_create("syzkaller", 0 [pid 7725] +++ exited with 0 +++ [pid 5074] <... rmdir resumed>) = 0 [pid 5072] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7731] <... memfd_create resumed>) = 3 [pid 5074] getdents64(3, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(4, [pid 7731] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7725, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7731] <... mmap resumed>) = 0x7f8a1b2e3000 [ 284.773153][ T7725] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] close(3 [pid 5072] <... openat resumed>) = 3 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] getdents64(4, [pid 5074] <... close resumed>) = 0 [pid 5072] fstat(3, [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] close(4 [pid 5074] rmdir("./222" [pid 5072] getdents64(3, [pid 5069] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 5069] rmdir("./214/file0" [pid 5074] mkdir("./223", 0777 [pid 5072] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(3, [pid 5074] <... mkdir resumed>) = 0 [pid 5072] lstat("./220/binderfs", [pid 5070] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] fstat(3, [pid 5069] close(3 [pid 5074] <... openat resumed>) = 3 [pid 5072] unlink("./220/binderfs" [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5072] <... unlink resumed>) = 0 [pid 5070] getdents64(3, [pid 5069] rmdir("./214" [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... rmdir resumed>) = 0 [pid 5074] close(3 [pid 5070] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] mkdir("./215", 0777 [pid 5074] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... mkdir resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] lstat("./218/binderfs", [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7732 [pid 5070] unlink("./218/binderfs" [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7733 ./strace-static-x86_64: Process 7732 attached [pid 7732] chdir("./223") = 0 [pid 7732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7732] setpgid(0, 0) = 0 [pid 7732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7732] write(3, "1000", 4) = 4 [pid 7731] 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"..., 4194304 [pid 7732] close(3) = 0 [pid 7732] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7732] memfd_create("syzkaller", 0) = 3 [pid 7732] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7733 attached ) = 0x7f8a1b2e3000 [pid 7733] chdir("./215") = 0 [pid 7733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7733] setpgid(0, 0) = 0 [pid 7733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7733] write(3, "1000", 4) = 4 [pid 7733] close(3) = 0 [pid 7733] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7733] memfd_create("syzkaller", 0) = 3 [pid 7733] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./218/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./218/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./218") = 0 [pid 5071] mkdir("./219", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7734 ./strace-static-x86_64: Process 7734 attached [pid 7734] chdir("./219") = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 7734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7732] 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"..., 4194304 [pid 7734] <... prctl resumed>) = 0 [pid 7734] setpgid(0, 0) = 0 [pid 7734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7734] write(3, "1000", 4) = 4 [pid 7734] close(3) = 0 [pid 7734] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7734] memfd_create("syzkaller", 0) = 3 [pid 7734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7733] 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"..., 4194304 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./218/file0", [pid 5072] lstat("./220/file0", [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... openat resumed>) = 4 [pid 5072] fstat(4, [pid 5070] <... openat resumed>) = 4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] fstat(4, [pid 5072] getdents64(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, [pid 5070] getdents64(4, [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5072] rmdir("./220/file0" [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5070] close(4 [pid 5072] getdents64(3, [pid 5070] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3 [pid 5070] rmdir("./218/file0" [pid 5072] <... close resumed>) = 0 [pid 5072] rmdir("./220" [pid 5070] <... rmdir resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5072] mkdir("./221", 0777 [pid 5070] getdents64(3, [pid 5072] <... mkdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5070] close(3 [pid 5072] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] rmdir("./218" [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] close(3 [pid 5070] <... rmdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5070] mkdir("./219", 0777 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7735 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7736 ./strace-static-x86_64: Process 7735 attached ./strace-static-x86_64: Process 7736 attached [pid 7736] chdir("./219" [pid 7735] chdir("./221" [pid 7736] <... chdir resumed>) = 0 [pid 7735] <... chdir resumed>) = 0 [pid 7736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7736] <... prctl resumed>) = 0 [pid 7736] setpgid(0, 0) = 0 [pid 7736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7735] <... prctl resumed>) = 0 [pid 7736] <... openat resumed>) = 3 [pid 7735] setpgid(0, 0 [pid 7736] write(3, "1000", 4 [pid 7735] <... setpgid resumed>) = 0 [pid 7731] <... write resumed>) = 4194304 [pid 7736] <... write resumed>) = 4 [pid 7735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7731] munmap(0x7f8a1b2e3000, 4194304 [pid 7736] close(3 [pid 7735] <... openat resumed>) = 3 [pid 7731] <... munmap resumed>) = 0 [pid 7736] <... close resumed>) = 0 [pid 7735] write(3, "1000", 4 [pid 7731] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7736] symlink("/dev/binderfs", "./binderfs" [pid 7735] <... write resumed>) = 4 [pid 7736] <... symlink resumed>) = 0 [pid 7735] close(3 [pid 7731] <... openat resumed>) = 4 [pid 7736] memfd_create("syzkaller", 0 [pid 7735] <... close resumed>) = 0 [pid 7731] ioctl(4, LOOP_SET_FD, 3 [pid 7736] <... memfd_create resumed>) = 3 [pid 7735] symlink("/dev/binderfs", "./binderfs" [pid 7731] <... ioctl resumed>) = 0 [pid 7736] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7735] <... symlink resumed>) = 0 [pid 7735] memfd_create("syzkaller", 0) = 3 [pid 7735] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7734] 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"..., 4194304 [pid 7735] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7731] close(3) = 0 [pid 7731] mkdir("./file0", 0777) = 0 [ 285.079196][ T7731] loop4: detected capacity change from 0 to 8192 [pid 7731] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7732] <... write resumed>) = 4194304 [pid 7736] 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"..., 4194304 [pid 7733] <... write resumed>) = 4194304 [pid 7732] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7732] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 285.145123][ T7731] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.181737][ T7731] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7732] ioctl(4, LOOP_SET_FD, 3 [pid 7735] 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"..., 4194304 [pid 7733] munmap(0x7f8a1b2e3000, 4194304) = 0 [ 285.190221][ T7732] loop5: detected capacity change from 0 to 8192 [pid 7733] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7734] <... write resumed>) = 4194304 [pid 7733] <... openat resumed>) = 4 [pid 7732] <... ioctl resumed>) = 0 [pid 7734] munmap(0x7f8a1b2e3000, 4194304 [pid 7733] ioctl(4, LOOP_SET_FD, 3 [pid 7732] close(3 [pid 7734] <... munmap resumed>) = 0 [pid 7732] <... close resumed>) = 0 [pid 7734] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7732] mkdir("./file0", 0777 [pid 7736] <... write resumed>) = 4194304 [pid 7734] <... openat resumed>) = 4 [pid 7732] <... mkdir resumed>) = 0 [pid 7734] ioctl(4, LOOP_SET_FD, 3 [pid 7732] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7736] munmap(0x7f8a1b2e3000, 4194304 [pid 7733] <... ioctl resumed>) = 0 [pid 7733] close(3) = 0 [pid 7733] mkdir("./file0", 0777) = 0 [ 285.227097][ T7731] REISERFS (device loop4): using ordered data mode [ 285.235341][ T7733] loop0: detected capacity change from 0 to 8192 [ 285.243344][ T7731] reiserfs: using flush barriers [ 285.250328][ T7734] loop2: detected capacity change from 0 to 8192 [ 285.258533][ T7731] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7733] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7736] <... munmap resumed>) = 0 [pid 7735] <... write resumed>) = 4194304 [pid 7734] <... ioctl resumed>) = 0 [pid 7736] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7735] munmap(0x7f8a1b2e3000, 4194304 [ 285.270263][ T7732] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.275726][ T7733] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.288103][ T7732] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 285.302714][ T7731] REISERFS (device loop4): checking transaction log (loop4) [ 285.311186][ T7732] REISERFS (device loop5): using ordered data mode [pid 7734] close(3 [pid 7736] <... openat resumed>) = 4 [pid 7735] <... munmap resumed>) = 0 [pid 7734] <... close resumed>) = 0 [pid 7736] ioctl(4, LOOP_SET_FD, 3 [pid 7735] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7734] mkdir("./file0", 0777 [pid 7735] <... openat resumed>) = 4 [pid 7734] <... mkdir resumed>) = 0 [ 285.323606][ T7732] reiserfs: using flush barriers [ 285.324879][ T7733] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 285.338014][ T7733] REISERFS (device loop0): using ordered data mode [ 285.338937][ T7736] loop1: detected capacity change from 0 to 8192 [ 285.344682][ T7733] reiserfs: using flush barriers [ 285.351870][ T7732] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7735] ioctl(4, LOOP_SET_FD, 3 [pid 7734] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7736] <... ioctl resumed>) = 0 [pid 7736] close(3) = 0 [ 285.372042][ T7733] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.374412][ T7735] loop3: detected capacity change from 0 to 8192 [ 285.388644][ T7733] REISERFS (device loop0): checking transaction log (loop0) [ 285.403431][ T7731] REISERFS (device loop4): Using r5 hash to sort names [ 285.403520][ T7732] REISERFS (device loop5): checking transaction log (loop5) [pid 7736] mkdir("./file0", 0777) = 0 [pid 7735] <... ioctl resumed>) = 0 [pid 7736] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7735] close(3) = 0 [pid 7735] mkdir("./file0", 0777) = 0 [ 285.410865][ T7734] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.420983][ T7731] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 285.432063][ T7734] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 285.443763][ T7733] REISERFS (device loop0): Using r5 hash to sort names [ 285.453149][ T7734] REISERFS (device loop2): using ordered data mode [ 285.460536][ T7733] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 285.466683][ T7732] REISERFS (device loop5): Using r5 hash to sort names [ 285.478564][ T7731] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 285.485573][ T7735] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.494326][ T7734] reiserfs: using flush barriers [ 285.513090][ T7736] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.514013][ T7732] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 285.538771][ T7736] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 285.539027][ T7734] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.548487][ T7733] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7735] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7731] <... mount resumed>) = 0 [pid 7731] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7732] <... mount resumed>) = 0 [pid 7732] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7732] chdir("./file0") = 0 [pid 7732] ioctl(4, LOOP_CLR_FD) = 0 [pid 7732] close(4 [pid 7731] <... openat resumed>) = 3 [pid 7731] chdir("./file0" [pid 7732] <... close resumed>) = 0 [pid 7732] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7732] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7732] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7731] <... chdir resumed>) = 0 [pid 7732] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7732] exit_group(0) = ? [pid 7732] +++ exited with 0 +++ [pid 7731] ioctl(4, LOOP_CLR_FD) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7732, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 7731] close(4) = 0 [pid 7731] mkdir(NULL, 000 [pid 5074] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7731] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7731] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7731] <... openat resumed>) = 4 [pid 5074] <... openat resumed>) = 3 [pid 7731] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] fstat(3, [pid 7731] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7731] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7731] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7731] exit_group(0 [pid 5074] lstat("./223/binderfs", [pid 7731] <... exit_group resumed>) = ? [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7731] +++ exited with 0 +++ [ 285.564255][ T7732] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 285.582173][ T7735] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 285.582828][ T7734] REISERFS (device loop2): checking transaction log (loop2) [ 285.592221][ T7736] REISERFS (device loop1): using ordered data mode [ 285.606678][ T7736] reiserfs: using flush barriers [ 285.614234][ T7735] REISERFS (device loop3): using ordered data mode [pid 5074] unlink("./223/binderfs") = 0 [pid 5074] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7731, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7733] <... mount resumed>) = 0 [pid 7733] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7733] chdir("./file0") = 0 [pid 7733] ioctl(4, LOOP_CLR_FD) = 0 [pid 7733] close(4) = 0 [pid 7733] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7733] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 285.631174][ T7734] REISERFS (device loop2): Using r5 hash to sort names [ 285.637175][ T7736] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.646844][ T7735] reiserfs: using flush barriers [ 285.655179][ T7736] REISERFS (device loop1): checking transaction log (loop1) [ 285.666402][ T7734] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7733] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7733] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 5073] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7733] exit_group(0 [pid 5073] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7733] <... exit_group resumed>) = ? [pid 5073] <... openat resumed>) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7733] +++ exited with 0 +++ [pid 5073] getdents64(3, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7733, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} --- [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] lstat("./222/binderfs", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] unlink("./222/binderfs" [pid 5069] <... openat resumed>) = 3 [ 285.668725][ T7736] REISERFS (device loop1): Using r5 hash to sort names [ 285.690359][ T7736] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 285.706643][ T7736] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7736] <... mount resumed>) = 0 [pid 5073] <... unlink resumed>) = 0 [pid 5069] fstat(3, [pid 7736] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7736] <... openat resumed>) = 3 [pid 5069] getdents64(3, [pid 7736] chdir("./file0" [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7736] <... chdir resumed>) = 0 [pid 5069] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7736] ioctl(4, LOOP_CLR_FD) = 0 [pid 7734] <... mount resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./215/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./215/binderfs") = 0 [pid 5069] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7736] close(4 [pid 7734] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7736] <... close resumed>) = 0 [pid 7736] mkdir(NULL, 000 [pid 7734] <... openat resumed>) = 3 [pid 7736] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7734] chdir("./file0" [pid 7736] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7734] <... chdir resumed>) = 0 [pid 7736] <... openat resumed>) = 4 [pid 7734] ioctl(4, LOOP_CLR_FD [pid 7736] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7734] <... ioctl resumed>) = 0 [pid 7736] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7734] close(4 [pid 7736] mount(NULL, "./bus", NULL, 0, NULL [pid 7734] <... close resumed>) = 0 [pid 7736] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7734] mkdir(NULL, 000 [pid 7736] exit_group(0 [pid 7734] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7736] <... exit_group resumed>) = ? [pid 7734] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7736] +++ exited with 0 +++ [pid 7734] <... openat resumed>) = 4 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7736, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 7734] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7734] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7734] exit_group(0 [pid 5070] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7734] <... exit_group resumed>) = ? [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7734] +++ exited with 0 +++ [pid 5070] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7734, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5070] <... openat resumed>) = 3 [ 285.717664][ T7735] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.718555][ T7734] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 285.747260][ T7735] REISERFS (device loop3): checking transaction log (loop3) [pid 5070] fstat(3, [pid 5071] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] getdents64(3, [pid 5074] <... umount2 resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] fstat(3, [pid 5070] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./223/file0", [pid 5071] getdents64(3, [pid 5070] lstat("./219/binderfs", [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] unlink("./219/binderfs") = 0 [pid 5071] lstat("./219/binderfs", [pid 5070] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./219/binderfs" [pid 5074] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./223/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./223/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [ 285.783420][ T7735] REISERFS (device loop3): Using r5 hash to sort names [pid 5074] close(3) = 0 [pid 5074] rmdir("./223") = 0 [pid 5074] mkdir("./224", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7743 ./strace-static-x86_64: Process 7743 attached [pid 5073] <... umount2 resumed>) = 0 [ 285.830611][ T7735] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7743] chdir("./224" [pid 5073] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7743] <... chdir resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] lstat("./222/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7743] <... prctl resumed>) = 0 [pid 7743] setpgid(0, 0 [pid 5073] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7743] <... setpgid resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] openat(AT_FDCWD, "./222/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7743] <... openat resumed>) = 3 [pid 7743] write(3, "1000", 4 [pid 5073] fstat(4, [pid 7743] <... write resumed>) = 4 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 7743] close(3 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7743] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7743] symlink("/dev/binderfs", "./binderfs" [pid 5073] close(4 [pid 7743] <... symlink resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 7743] memfd_create("syzkaller", 0 [pid 5073] rmdir("./222/file0" [pid 5069] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] <... rmdir resumed>) = 0 [pid 7743] <... memfd_create resumed>) = 3 [pid 5069] lstat("./215/file0", [pid 5073] getdents64(3, [pid 7743] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7743] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] close(3 [pid 5069] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] rmdir("./222" [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5069] close(4 [pid 5073] mkdir("./223", 0777 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./215/file0" [pid 5073] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./215" [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] mkdir("./216", 0777 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7744 [pid 7735] <... mount resumed>) = 0 [pid 7735] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7735] chdir("./file0") = 0 [pid 7735] ioctl(4, LOOP_CLR_FD) = 0 [pid 7735] close(4) = 0 [pid 7735] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7735] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7745 [pid 7735] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7744 attached [ 285.887748][ T7735] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7744] chdir("./216") = 0 [pid 7744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7735] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7744] <... prctl resumed>) = 0 [pid 7735] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7745 attached [pid 7744] setpgid(0, 0 [pid 7735] mount(NULL, "./bus", NULL, 0, NULL [pid 7745] chdir("./223" [pid 7744] <... setpgid resumed>) = 0 [pid 7735] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7745] <... chdir resumed>) = 0 [pid 7744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7735] exit_group(0 [pid 7745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7744] <... openat resumed>) = 3 [pid 7735] <... exit_group resumed>) = ? [pid 7745] <... prctl resumed>) = 0 [pid 7744] write(3, "1000", 4 [pid 7735] +++ exited with 0 +++ [pid 7745] setpgid(0, 0 [pid 7744] <... write resumed>) = 4 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7735, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 7745] <... setpgid resumed>) = 0 [pid 7744] close(3 [pid 7745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7744] <... close resumed>) = 0 [pid 7745] <... openat resumed>) = 3 [pid 7744] symlink("/dev/binderfs", "./binderfs" [pid 7745] write(3, "1000", 4 [pid 7744] <... symlink resumed>) = 0 [pid 5072] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7745] <... write resumed>) = 4 [pid 7744] memfd_create("syzkaller", 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7745] close(3 [pid 7744] <... memfd_create resumed>) = 3 [pid 5072] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7745] <... close resumed>) = 0 [pid 7744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7745] symlink("/dev/binderfs", "./binderfs" [pid 7744] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... openat resumed>) = 3 [pid 7745] <... symlink resumed>) = 0 [pid 5072] fstat(3, [pid 7745] memfd_create("syzkaller", 0) = 3 [pid 7745] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] lstat("./221/binderfs", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] lstat("./219/file0", [pid 5072] unlink("./221/binderfs") = 0 [pid 5072] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./219/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./219") = 0 [pid 5070] mkdir("./220", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7746 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7746 attached [pid 5071] lstat("./219/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7746] chdir("./220" [pid 5071] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7746] <... chdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... openat resumed>) = 4 [pid 5071] fstat(4, [pid 7746] <... prctl resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7746] setpgid(0, 0 [pid 5071] getdents64(4, [pid 7746] <... setpgid resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7743] 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"..., 4194304 [pid 5071] getdents64(4, [pid 7746] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7746] write(3, "1000", 4 [pid 5071] close(4 [pid 7746] <... write resumed>) = 4 [pid 5071] <... close resumed>) = 0 [pid 7746] close(3 [pid 5071] rmdir("./219/file0" [pid 7746] <... close resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 7746] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5071] getdents64(3, [pid 7746] memfd_create("syzkaller", 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7746] <... memfd_create resumed>) = 3 [pid 5071] close(3 [pid 7746] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... close resumed>) = 0 [pid 7746] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] rmdir("./219" [pid 7744] 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"..., 4194304 [pid 5071] <... rmdir resumed>) = 0 [pid 7745] 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"..., 4194304 [pid 5071] mkdir("./220", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7747 ./strace-static-x86_64: Process 7747 attached [pid 7747] chdir("./220") = 0 [pid 7747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7747] setpgid(0, 0) = 0 [pid 7747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7747] write(3, "1000", 4) = 4 [pid 5072] <... umount2 resumed>) = 0 [pid 7747] close(3 [pid 5072] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7747] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7747] symlink("/dev/binderfs", "./binderfs" [pid 5072] lstat("./221/file0", [pid 7747] <... symlink resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7747] memfd_create("syzkaller", 0 [pid 5072] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7747] <... memfd_create resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7747] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7747] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... openat resumed>) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./221/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./221") = 0 [pid 5072] mkdir("./222", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7748 ./strace-static-x86_64: Process 7748 attached [pid 7748] chdir("./222") = 0 [pid 7748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7748] setpgid(0, 0) = 0 [pid 7748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7748] write(3, "1000", 4 [pid 7746] 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"..., 4194304 [pid 7748] <... write resumed>) = 4 [pid 7748] close(3) = 0 [pid 7748] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7748] memfd_create("syzkaller", 0) = 3 [pid 7748] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7744] <... write resumed>) = 4194304 [pid 7743] <... write resumed>) = 4194304 [pid 7743] munmap(0x7f8a1b2e3000, 4194304 [pid 7744] munmap(0x7f8a1b2e3000, 4194304 [pid 7743] <... munmap resumed>) = 0 [pid 7747] 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"..., 4194304 [pid 7744] <... munmap resumed>) = 0 [pid 7743] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7745] <... write resumed>) = 4194304 [pid 7744] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7743] <... openat resumed>) = 4 [pid 7745] munmap(0x7f8a1b2e3000, 4194304 [pid 7744] <... openat resumed>) = 4 [pid 7743] ioctl(4, LOOP_SET_FD, 3 [pid 7745] <... munmap resumed>) = 0 [pid 7744] ioctl(4, LOOP_SET_FD, 3 [pid 7745] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7743] <... ioctl resumed>) = 0 [pid 7746] <... write resumed>) = 4194304 [pid 7745] <... openat resumed>) = 4 [pid 7743] close(3 [pid 7746] munmap(0x7f8a1b2e3000, 4194304 [pid 7745] ioctl(4, LOOP_SET_FD, 3 [pid 7743] <... close resumed>) = 0 [pid 7746] <... munmap resumed>) = 0 [pid 7745] <... ioctl resumed>) = 0 [pid 7743] mkdir("./file0", 0777 [pid 7746] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7743] <... mkdir resumed>) = 0 [pid 7743] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7746] <... openat resumed>) = 4 [ 286.247926][ T7743] loop5: detected capacity change from 0 to 8192 [ 286.248365][ T7744] loop0: detected capacity change from 0 to 8192 [ 286.268768][ T7745] loop4: detected capacity change from 0 to 8192 [ 286.279335][ T7746] loop1: detected capacity change from 0 to 8192 [pid 7746] ioctl(4, LOOP_SET_FD, 3 [pid 7748] 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"..., 4194304 [pid 7744] <... ioctl resumed>) = 0 [pid 7744] close(3) = 0 [pid 7744] mkdir("./file0", 0777) = 0 [pid 7744] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7745] close(3) = 0 [pid 7745] mkdir("./file0", 0777) = 0 [pid 7745] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7746] <... ioctl resumed>) = 0 [pid 7746] close(3) = 0 [pid 7746] mkdir("./file0", 0777) = 0 [ 286.286291][ T7743] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.307604][ T7744] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.316451][ T7743] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 286.331888][ T7745] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7746] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7747] <... write resumed>) = 4194304 [ 286.332123][ T7743] REISERFS (device loop5): using ordered data mode [ 286.353758][ T7746] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.367013][ T7746] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 286.376853][ T7746] REISERFS (device loop1): using ordered data mode [ 286.379788][ T7744] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 286.383406][ T7746] reiserfs: using flush barriers [ 286.384413][ T7745] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 286.394842][ T7744] REISERFS (device loop0): using ordered data mode [ 286.397644][ T7746] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 286.408344][ T7744] reiserfs: using flush barriers [ 286.417876][ T7743] reiserfs: using flush barriers [pid 7747] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7747] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 286.430720][ T7744] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 286.455814][ T7744] REISERFS (device loop0): checking transaction log (loop0) [ 286.464305][ T7744] REISERFS (device loop0): Using r5 hash to sort names [ 286.471441][ T7744] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 286.475949][ T7747] loop2: detected capacity change from 0 to 8192 [pid 7747] ioctl(4, LOOP_SET_FD, 3 [pid 7744] <... mount resumed>) = 0 [pid 7744] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7744] chdir("./file0") = 0 [pid 7744] ioctl(4, LOOP_CLR_FD) = 0 [ 286.484470][ T7744] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 286.491047][ T7745] REISERFS (device loop4): using ordered data mode [ 286.500180][ T7746] REISERFS (device loop1): checking transaction log (loop1) [ 286.515793][ T7746] REISERFS (device loop1): Using r5 hash to sort names [ 286.523466][ T7743] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7744] close(4 [pid 7748] <... write resumed>) = 4194304 [pid 7744] <... close resumed>) = 0 [pid 7744] mkdir(NULL, 000 [pid 7748] munmap(0x7f8a1b2e3000, 4194304 [pid 7744] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7747] <... ioctl resumed>) = 0 [pid 7748] <... munmap resumed>) = 0 [pid 7744] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7748] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7744] <... openat resumed>) = 4 [pid 7748] <... openat resumed>) = 4 [pid 7744] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [ 286.542230][ T7746] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 286.554089][ T7745] reiserfs: using flush barriers [ 286.561330][ T7743] REISERFS (device loop5): checking transaction log (loop5) [ 286.571361][ T7746] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 286.572363][ T7745] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7747] close(3) = 0 [pid 7747] mkdir("./file0", 0777 [pid 7748] ioctl(4, LOOP_SET_FD, 3 [pid 7744] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7746] <... mount resumed>) = 0 [pid 7747] <... mkdir resumed>) = 0 [pid 7747] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7748] <... ioctl resumed>) = 0 [pid 7746] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 286.581517][ T7743] REISERFS (device loop5): Using r5 hash to sort names [ 286.604591][ T7743] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 286.618190][ T7748] loop3: detected capacity change from 0 to 8192 [ 286.618629][ T7745] REISERFS (device loop4): checking transaction log (loop4) [ 286.626134][ T7743] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7744] mount(NULL, "./bus", NULL, 0, NULL [pid 7748] close(3 [pid 7746] <... openat resumed>) = 3 [pid 7744] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7743] <... mount resumed>) = 0 [pid 7748] <... close resumed>) = 0 [pid 7746] chdir("./file0" [pid 7744] exit_group(0 [pid 7743] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7748] mkdir("./file0", 0777 [pid 7746] <... chdir resumed>) = 0 [pid 7744] <... exit_group resumed>) = ? [pid 7743] <... openat resumed>) = 3 [pid 7748] <... mkdir resumed>) = 0 [pid 7746] ioctl(4, LOOP_CLR_FD [pid 7744] +++ exited with 0 +++ [pid 7743] chdir("./file0" [pid 7748] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7746] <... ioctl resumed>) = 0 [pid 7743] <... chdir resumed>) = 0 [pid 7746] close(4 [pid 7743] ioctl(4, LOOP_CLR_FD [pid 7746] <... close resumed>) = 0 [pid 7743] <... ioctl resumed>) = 0 [pid 7746] mkdir(NULL, 000 [pid 7743] close(4 [pid 7746] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7743] <... close resumed>) = 0 [pid 7746] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7743] mkdir(NULL, 000 [pid 7746] <... openat resumed>) = 4 [pid 7743] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7746] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7743] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7746] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7743] <... openat resumed>) = 4 [pid 7746] mount(NULL, "./bus", NULL, 0, NULL [pid 7743] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7746] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7743] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7746] exit_group(0 [pid 7743] mount(NULL, "./bus", NULL, 0, NULL [pid 7746] <... exit_group resumed>) = ? [pid 7743] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7746] +++ exited with 0 +++ [pid 7743] exit_group(0) = ? [pid 7743] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7746, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7744, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7743, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5074] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] fstat(3, [pid 5070] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] fstat(3, [pid 5069] fstat(3, [pid 5074] getdents64(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [pid 5069] getdents64(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] lstat("./224/binderfs", [pid 5070] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./224/binderfs" [pid 5070] lstat("./220/binderfs", [pid 5069] lstat("./216/binderfs", [pid 5074] <... unlink resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./220/binderfs" [pid 5069] unlink("./216/binderfs" [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [ 286.633421][ T7747] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.656000][ T7747] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 286.666318][ T7745] REISERFS (device loop4): Using r5 hash to sort names [ 286.673446][ T7745] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5070] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 286.687571][ T7748] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.691170][ T7747] REISERFS (device loop2): using ordered data mode [ 286.701294][ T7748] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 286.716528][ T7748] REISERFS (device loop3): using ordered data mode [ 286.723040][ T7748] reiserfs: using flush barriers [ 286.740237][ T7745] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7745] <... mount resumed>) = 0 [pid 7745] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 286.749722][ T7747] reiserfs: using flush barriers [ 286.756450][ T7747] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 286.773577][ T7747] REISERFS (device loop2): checking transaction log (loop2) [ 286.781110][ T7748] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7745] chdir("./file0") = 0 [pid 7745] ioctl(4, LOOP_CLR_FD) = 0 [pid 7745] close(4) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./224/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7745] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7745] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5074] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 7745] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7745] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./224/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7745] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... openat resumed>) = 4 [pid 5070] lstat("./220/file0", [pid 5074] fstat(4, [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 286.787414][ T7747] REISERFS (device loop2): Using r5 hash to sort names [pid 5070] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7745] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] getdents64(4, [pid 5070] <... openat resumed>) = 4 [pid 7745] exit_group(0 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] fstat(4, [pid 7745] <... exit_group resumed>) = ? [pid 5074] close(4 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7745] +++ exited with 0 +++ [pid 5074] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5074] rmdir("./224/file0" [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] <... rmdir resumed>) = 0 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7745, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=12 /* 0.12 s */} --- [pid 5070] getdents64(4, [pid 5074] getdents64(3, [pid 5073] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] close(4 [pid 5074] close(3 [pid 5073] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5070] rmdir("./220/file0" [pid 5074] rmdir("./224" [pid 5073] fstat(3, [pid 5070] <... rmdir resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, [pid 5074] mkdir("./225", 0777 [pid 5073] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [ 286.850550][ T7748] REISERFS (device loop3): checking transaction log (loop3) [ 286.881769][ T7747] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5070] close(3 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] rmdir("./220" [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] lstat("./223/binderfs", [pid 5070] <... rmdir resumed>) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] mkdir("./221", 0777 [pid 5074] close(3 [pid 5073] unlink("./223/binderfs" [pid 5070] <... mkdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5073] <... unlink resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7755 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7756 ./strace-static-x86_64: Process 7756 attached ./strace-static-x86_64: Process 7755 attached [pid 5069] <... umount2 resumed>) = 0 [pid 7755] chdir("./225" [pid 5069] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7756] chdir("./221" [pid 7755] <... chdir resumed>) = 0 [pid 7756] <... chdir resumed>) = 0 [pid 7755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] lstat("./216/file0", [pid 7756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7755] <... prctl resumed>) = 0 [pid 7756] <... prctl resumed>) = 0 [pid 7755] setpgid(0, 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7756] setpgid(0, 0 [pid 7755] <... setpgid resumed>) = 0 [pid 5069] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7756] <... setpgid resumed>) = 0 [pid 7755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7748] <... mount resumed>) = 0 [ 286.900029][ T7748] REISERFS (device loop3): Using r5 hash to sort names [ 286.907391][ T7748] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 286.930761][ T7748] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./216/file0" [pid 7755] <... openat resumed>) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 7756] <... openat resumed>) = 3 [pid 7755] write(3, "1000", 4 [pid 7748] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7747] <... mount resumed>) = 0 [pid 5069] getdents64(3, [pid 7756] write(3, "1000", 4 [pid 7755] <... write resumed>) = 4 [pid 7748] <... openat resumed>) = 3 [pid 7756] <... write resumed>) = 4 [pid 7755] close(3 [pid 7748] chdir("./file0" [pid 7747] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7756] close(3 [pid 7755] <... close resumed>) = 0 [pid 7748] <... chdir resumed>) = 0 [pid 7747] <... openat resumed>) = 3 [pid 5069] close(3 [pid 7756] <... close resumed>) = 0 [pid 7755] symlink("/dev/binderfs", "./binderfs" [pid 7748] ioctl(4, LOOP_CLR_FD [pid 7747] chdir("./file0" [pid 5073] <... umount2 resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 7756] symlink("/dev/binderfs", "./binderfs" [pid 7755] <... symlink resumed>) = 0 [pid 7748] <... ioctl resumed>) = 0 [pid 7747] <... chdir resumed>) = 0 [pid 5073] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] rmdir("./216" [pid 7756] <... symlink resumed>) = 0 [pid 7755] memfd_create("syzkaller", 0 [pid 7748] close(4 [pid 7747] ioctl(4, LOOP_CLR_FD [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 7756] memfd_create("syzkaller", 0 [pid 7755] <... memfd_create resumed>) = 3 [pid 7748] <... close resumed>) = 0 [pid 7747] <... ioctl resumed>) = 0 [pid 5073] lstat("./223/file0", [pid 5069] mkdir("./217", 0777 [pid 7756] <... memfd_create resumed>) = 3 [pid 7755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7748] mkdir(NULL, 000 [pid 7747] close(4 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 7756] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7755] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7748] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7747] <... close resumed>) = 0 [pid 5073] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 286.962132][ T7747] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 7756] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7757 ./strace-static-x86_64: Process 7757 attached [pid 7757] chdir("./217") = 0 [pid 7757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7757] setpgid(0, 0) = 0 [pid 7748] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7747] mkdir(NULL, 000 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7748] <... openat resumed>) = 4 [pid 7757] <... openat resumed>) = 3 [pid 7747] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] openat(AT_FDCWD, "./223/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7757] write(3, "1000", 4) = 4 [pid 7757] close(3) = 0 [pid 7757] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7757] memfd_create("syzkaller", 0) = 3 [pid 7748] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7747] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... openat resumed>) = 4 [pid 7757] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7748] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7757] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7747] <... openat resumed>) = 4 [pid 5073] fstat(4, [pid 7748] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7747] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7748] exit_group(0 [pid 7747] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] getdents64(4, [pid 7748] <... exit_group resumed>) = ? [pid 7747] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7748] +++ exited with 0 +++ [pid 7747] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] getdents64(4, [pid 7747] exit_group(0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7748, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7747] <... exit_group resumed>) = ? [pid 5073] close(4 [pid 7747] +++ exited with 0 +++ [pid 5073] <... close resumed>) = 0 [pid 5072] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] rmdir("./223/file0" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7747, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5073] <... rmdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5073] getdents64(3, [pid 5072] <... openat resumed>) = 3 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] fstat(3, [pid 5073] close(3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... close resumed>) = 0 [pid 5072] getdents64(3, [pid 5071] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] rmdir("./223" [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... rmdir resumed>) = 0 [pid 5072] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7755] 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"..., 4194304 [pid 5073] mkdir("./224", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 3 [pid 5073] <... mkdir resumed>) = 0 [pid 5072] lstat("./222/binderfs", [pid 5071] fstat(3, [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5072] unlink("./222/binderfs" [pid 5071] getdents64(3, [pid 5072] <... unlink resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5072] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] close(3 [pid 5071] lstat("./220/binderfs", [pid 5073] <... close resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] unlink("./220/binderfs") = 0 [pid 5071] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7758 ./strace-static-x86_64: Process 7758 attached [pid 7756] 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"..., 4194304 [pid 7758] chdir("./224") = 0 [pid 7758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7758] setpgid(0, 0) = 0 [pid 7758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7758] write(3, "1000", 4) = 4 [pid 7758] close(3) = 0 [pid 7758] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7758] memfd_create("syzkaller", 0) = 3 [pid 7758] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7757] 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"..., 4194304 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./222/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./222/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./222/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./222") = 0 [pid 5072] mkdir("./223", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7759 ./strace-static-x86_64: Process 7759 attached [pid 7759] chdir("./223" [pid 7758] 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"..., 4194304 [pid 7759] <... chdir resumed>) = 0 [pid 7759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... umount2 resumed>) = 0 [pid 7759] <... prctl resumed>) = 0 [pid 7759] setpgid(0, 0) = 0 [pid 7759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7759] write(3, "1000", 4) = 4 [pid 7759] close(3) = 0 [pid 7759] symlink("/dev/binderfs", "./binderfs" [pid 5071] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7759] <... symlink resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7759] memfd_create("syzkaller", 0 [pid 5071] lstat("./220/file0", [pid 7759] <... memfd_create resumed>) = 3 [pid 7756] <... write resumed>) = 4194304 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7759] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7756] munmap(0x7f8a1b2e3000, 4194304 [pid 5071] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7759] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7757] <... write resumed>) = 4194304 [pid 7756] <... munmap resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7756] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7756] <... openat resumed>) = 4 [pid 5071] <... openat resumed>) = 4 [pid 7756] ioctl(4, LOOP_SET_FD, 3 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./220/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 7756] <... ioctl resumed>) = 0 [pid 7755] <... write resumed>) = 4194304 [pid 5071] rmdir("./220" [pid 7757] munmap(0x7f8a1b2e3000, 4194304 [pid 7756] close(3 [pid 7755] munmap(0x7f8a1b2e3000, 4194304 [pid 5071] <... rmdir resumed>) = 0 [pid 7757] <... munmap resumed>) = 0 [pid 7756] <... close resumed>) = 0 [pid 7755] <... munmap resumed>) = 0 [pid 5071] mkdir("./221", 0777 [pid 7757] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7756] mkdir("./file0", 0777 [pid 7755] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... mkdir resumed>) = 0 [pid 7757] <... openat resumed>) = 4 [pid 7756] <... mkdir resumed>) = 0 [pid 7755] <... openat resumed>) = 4 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7757] ioctl(4, LOOP_SET_FD, 3 [pid 7756] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7755] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... openat resumed>) = 3 [pid 7758] <... write resumed>) = 4194304 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 7757] <... ioctl resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7757] close(3) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7761 [pid 7757] mkdir("./file0", 0777) = 0 [pid 7757] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 7761 attached [pid 7758] munmap(0x7f8a1b2e3000, 4194304 [ 287.320267][ T7756] loop1: detected capacity change from 0 to 8192 [ 287.346958][ T7757] loop0: detected capacity change from 0 to 8192 [ 287.353796][ T7755] loop5: detected capacity change from 0 to 8192 [pid 7761] chdir("./221") = 0 [pid 7759] 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"..., 4194304 [pid 7758] <... munmap resumed>) = 0 [pid 7755] <... ioctl resumed>) = 0 [pid 7761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7761] setpgid(0, 0) = 0 [pid 7761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7761] write(3, "1000", 4) = 4 [pid 7761] close(3) = 0 [pid 7761] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7761] memfd_create("syzkaller", 0 [pid 7758] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7755] close(3 [pid 7761] <... memfd_create resumed>) = 3 [pid 7758] <... openat resumed>) = 4 [pid 7755] <... close resumed>) = 0 [pid 7761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7758] ioctl(4, LOOP_SET_FD, 3 [pid 7755] mkdir("./file0", 0777 [pid 7761] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7758] <... ioctl resumed>) = 0 [pid 7755] <... mkdir resumed>) = 0 [pid 7755] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7758] close(3) = 0 [ 287.367029][ T7756] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.369342][ T7757] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.393540][ T7756] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 287.408989][ T7758] loop4: detected capacity change from 0 to 8192 [pid 7758] mkdir("./file0", 0777) = 0 [ 287.416557][ T7756] REISERFS (device loop1): using ordered data mode [ 287.423550][ T7756] reiserfs: using flush barriers [ 287.431539][ T7756] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 287.435187][ T7755] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.447831][ T7757] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 287.470446][ T7757] REISERFS (device loop0): using ordered data mode [ 287.476796][ T7758] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.477334][ T7757] reiserfs: using flush barriers [ 287.496126][ T7757] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7758] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7759] <... write resumed>) = 4194304 [ 287.512168][ T7758] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 287.512520][ T7758] REISERFS (device loop4): using ordered data mode [ 287.521843][ T7757] REISERFS (device loop0): checking transaction log (loop0) [ 287.536750][ T7757] REISERFS (device loop0): Using r5 hash to sort names [ 287.543818][ T7757] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 287.556620][ T7757] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7761] 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"..., 4194304 [pid 7757] <... mount resumed>) = 0 [pid 7757] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7759] munmap(0x7f8a1b2e3000, 4194304 [pid 7757] <... openat resumed>) = 3 [pid 7759] <... munmap resumed>) = 0 [pid 7757] chdir("./file0") = 0 [pid 7757] ioctl(4, LOOP_CLR_FD [pid 7759] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7759] ioctl(4, LOOP_SET_FD, 3 [pid 7757] <... ioctl resumed>) = 0 [ 287.561793][ T7756] REISERFS (device loop1): checking transaction log (loop1) [ 287.566038][ T7755] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 287.582342][ T7755] REISERFS (device loop5): using ordered data mode [ 287.589158][ T7755] reiserfs: using flush barriers [ 287.595456][ T7755] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 287.602722][ T7759] loop3: detected capacity change from 0 to 8192 [pid 7757] close(4) = 0 [ 287.612871][ T7758] reiserfs: using flush barriers [ 287.622084][ T7756] REISERFS (device loop1): Using r5 hash to sort names [ 287.624734][ T7755] REISERFS (device loop5): checking transaction log (loop5) [ 287.637420][ T7758] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 287.654758][ T7755] REISERFS (device loop5): Using r5 hash to sort names [ 287.662770][ T7758] REISERFS (device loop4): checking transaction log (loop4) [pid 7759] <... ioctl resumed>) = 0 [pid 7757] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7759] close(3) = 0 [ 287.667563][ T7756] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 287.670950][ T7755] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 287.696056][ T7755] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 287.706314][ T7758] REISERFS (device loop4): Using r5 hash to sort names [pid 7757] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7761] <... write resumed>) = 4194304 [pid 7761] munmap(0x7f8a1b2e3000, 4194304 [pid 7757] <... openat resumed>) = 4 [pid 7759] mkdir("./file0", 0777 [pid 7761] <... munmap resumed>) = 0 [pid 7755] <... mount resumed>) = 0 [pid 7761] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7761] ioctl(4, LOOP_SET_FD, 3 [pid 7759] <... mkdir resumed>) = 0 [pid 7758] <... mount resumed>) = 0 [pid 7757] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7755] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7761] <... ioctl resumed>) = 0 [pid 7761] close(3) = 0 [pid 7761] mkdir("./file0", 0777) = 0 [pid 7759] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7758] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7757] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7755] <... openat resumed>) = 3 [pid 7761] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7756] <... mount resumed>) = 0 [pid 7758] <... openat resumed>) = 3 [pid 7758] chdir("./file0") = 0 [pid 7758] ioctl(4, LOOP_CLR_FD) = 0 [pid 7758] close(4) = 0 [pid 7757] mount(NULL, "./bus", NULL, 0, NULL [pid 7756] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7755] chdir("./file0" [pid 7758] mkdir(NULL, 000 [pid 7757] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7756] <... openat resumed>) = 3 [pid 7755] <... chdir resumed>) = 0 [pid 7758] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7757] exit_group(0 [pid 7756] chdir("./file0" [pid 7755] ioctl(4, LOOP_CLR_FD [pid 7758] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7757] <... exit_group resumed>) = ? [pid 7756] <... chdir resumed>) = 0 [pid 7755] <... ioctl resumed>) = 0 [pid 7758] <... openat resumed>) = 4 [pid 7757] +++ exited with 0 +++ [pid 7756] ioctl(4, LOOP_CLR_FD [pid 7755] close(4 [pid 7758] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7756] <... ioctl resumed>) = 0 [pid 7755] <... close resumed>) = 0 [ 287.713445][ T7758] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 287.727539][ T7758] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 287.732936][ T7761] loop2: detected capacity change from 0 to 8192 [ 287.738026][ T7756] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 287.754286][ T7759] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7758] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7756] close(4 [pid 7755] mkdir(NULL, 000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7757, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7758] mount(NULL, "./bus", NULL, 0, NULL [pid 7756] <... close resumed>) = 0 [pid 7755] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7758] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7756] mkdir(NULL, 000 [pid 7755] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7758] exit_group(0 [pid 7756] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7755] <... openat resumed>) = 4 [pid 7758] <... exit_group resumed>) = ? [pid 7756] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7755] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7756] <... openat resumed>) = 4 [pid 7755] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7756] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7755] mount(NULL, "./bus", NULL, 0, NULL [pid 7758] +++ exited with 0 +++ [pid 7756] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7755] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7756] mount(NULL, "./bus", NULL, 0, NULL [pid 7755] exit_group(0 [pid 7756] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7755] <... exit_group resumed>) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7758, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5069] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7756] exit_group(0 [pid 7755] +++ exited with 0 +++ [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7756] <... exit_group resumed>) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7755, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5073] <... restart_syscall resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7756] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = 3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7756, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5074] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(3, [pid 5074] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, [pid 5073] fstat(3, [pid 5070] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] getdents64(3, [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] lstat("./217/binderfs", [pid 5070] <... openat resumed>) = 3 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] fstat(3, [pid 5074] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] unlink("./217/binderfs" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./225/binderfs", [pid 5069] <... unlink resumed>) = 0 [ 287.773571][ T7759] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 287.794641][ T7759] REISERFS (device loop3): using ordered data mode [ 287.801407][ T7759] reiserfs: using flush barriers [ 287.809380][ T7761] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] lstat("./224/binderfs", [pid 5070] getdents64(3, [pid 5069] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] unlink("./225/binderfs" [pid 5073] unlink("./224/binderfs" [pid 5074] <... unlink resumed>) = 0 [pid 5070] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... unlink resumed>) = 0 [pid 5074] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./221/binderfs") = 0 [ 287.842870][ T7761] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 287.843288][ T7759] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 287.869633][ T7761] REISERFS (device loop2): using ordered data mode [ 287.883792][ T7761] reiserfs: using flush barriers [pid 5070] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5070] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./221/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./221/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./221") = 0 [pid 5070] mkdir("./222", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = 0 [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7767 ./strace-static-x86_64: Process 7767 attached [pid 7767] chdir("./222") = 0 [pid 7767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7767] setpgid(0, 0) = 0 [ 287.886127][ T7759] REISERFS (device loop3): checking transaction log (loop3) [pid 7767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7767] write(3, "1000", 4) = 4 [pid 7767] close(3) = 0 [pid 7767] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7767] memfd_create("syzkaller", 0) = 3 [pid 7767] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5074] <... umount2 resumed>) = 0 [pid 5074] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./225/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./225/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./225/file0") = 0 [pid 5074] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./225") = 0 [pid 5074] mkdir("./226", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 287.952348][ T7761] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 287.986055][ T7759] REISERFS (device loop3): Using r5 hash to sort names [pid 5074] close(3) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7768 ./strace-static-x86_64: Process 7768 attached [pid 7768] chdir("./226") = 0 [pid 7768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7768] setpgid(0, 0) = 0 [pid 7768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7768] write(3, "1000", 4) = 4 [pid 7768] close(3) = 0 [pid 7768] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7768] memfd_create("syzkaller", 0) = 3 [pid 7768] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5073] <... umount2 resumed>) = 0 [pid 5069] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7767] 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"..., 4194304 [pid 5073] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./217/file0", [pid 5073] lstat("./224/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 288.040491][ T7759] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 288.066508][ T7761] REISERFS (device loop2): checking transaction log (loop2) [ 288.078700][ T7761] REISERFS (device loop2): Using r5 hash to sort names [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./224/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... openat resumed>) = 4 [pid 5073] fstat(4, [pid 5069] <... openat resumed>) = 4 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, [pid 5069] fstat(4, [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5073] close(4 [pid 7759] <... mount resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] rmdir("./224/file0" [pid 5069] getdents64(4, [pid 5073] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 7759] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] getdents64(3, [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./217/file0" [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3 [pid 5069] <... rmdir resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 5073] rmdir("./224" [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7759] <... openat resumed>) = 3 [pid 5073] <... rmdir resumed>) = 0 [pid 7759] chdir("./file0" [pid 5069] close(3 [pid 5073] mkdir("./225", 0777 [pid 7759] <... chdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 7759] ioctl(4, LOOP_CLR_FD [pid 5069] rmdir("./217" [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... rmdir resumed>) = 0 [pid 5069] mkdir("./218", 0777 [pid 5073] <... openat resumed>) = 3 [pid 5069] <... mkdir resumed>) = 0 [pid 7759] <... ioctl resumed>) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7759] close(4 [pid 5073] close(3 [pid 5069] <... openat resumed>) = 3 [pid 7759] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 7759] mkdir(NULL, 000 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7759] <... mkdir resumed>) = -1 EFAULT (Bad address) [ 288.088801][ T7761] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 288.103207][ T7759] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7768] 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"..., 4194304 [pid 7759] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] close(3 [pid 7767] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 7769 attached [pid 7769] chdir("./225" [pid 7759] <... openat resumed>) = 4 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7769 [pid 5069] <... close resumed>) = 0 [pid 7769] <... chdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7759] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7769] setpgid(0, 0 [pid 7759] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7769] <... setpgid resumed>) = 0 [pid 7759] mount(NULL, "./bus", NULL, 0, NULL [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7770 [pid 7769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7759] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7769] <... openat resumed>) = 3 [pid 7759] exit_group(0 [pid 7769] write(3, "1000", 4 [pid 7759] <... exit_group resumed>) = ? [pid 7769] <... write resumed>) = 4 [pid 7769] close(3) = 0 [pid 7769] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7769] memfd_create("syzkaller", 0) = 3 [pid 7769] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7759] +++ exited with 0 +++ [pid 7769] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7759, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5072] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./223/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./223/binderfs"./strace-static-x86_64: Process 7770 attached [pid 7761] <... mount resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 7761] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 288.139358][ T7761] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5072] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7770] chdir("./218" [pid 7767] munmap(0x7f8a1b2e3000, 4194304 [pid 7761] <... openat resumed>) = 3 [pid 7770] <... chdir resumed>) = 0 [pid 7767] <... munmap resumed>) = 0 [pid 7761] chdir("./file0" [pid 7770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7767] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7761] <... chdir resumed>) = 0 [pid 7770] <... prctl resumed>) = 0 [pid 7767] <... openat resumed>) = 4 [pid 7761] ioctl(4, LOOP_CLR_FD [pid 7767] ioctl(4, LOOP_SET_FD, 3 [pid 7761] <... ioctl resumed>) = 0 [pid 7770] setpgid(0, 0 [pid 7761] close(4) = 0 [pid 7761] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7761] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7770] <... setpgid resumed>) = 0 [pid 7761] <... openat resumed>) = 4 [pid 7761] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7761] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7761] exit_group(0) = ? [pid 7761] +++ exited with 0 +++ [pid 7767] <... ioctl resumed>) = 0 [pid 7767] close(3) = 0 [pid 7767] mkdir("./file0", 0777) = 0 [pid 7767] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7769] 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"..., 4194304 [pid 7768] <... write resumed>) = 4194304 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7761, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7770] <... openat resumed>) = 3 [pid 7768] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 5071] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7770] write(3, "1000", 4) = 4 [pid 7768] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7770] close(3 [pid 5071] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7768] <... openat resumed>) = 4 [pid 5071] <... openat resumed>) = 3 [pid 7770] <... close resumed>) = 0 [pid 7768] ioctl(4, LOOP_SET_FD, 3 [ 288.218689][ T7767] loop1: detected capacity change from 0 to 8192 [ 288.234781][ T7767] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.249066][ T7767] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 288.260067][ T7767] REISERFS (device loop1): using ordered data mode [pid 5071] fstat(3, [pid 7770] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7770] <... symlink resumed>) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7770] memfd_create("syzkaller", 0 [pid 5071] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7768] <... ioctl resumed>) = 0 [pid 7770] <... memfd_create resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] lstat("./221/binderfs", [pid 7770] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./221/binderfs" [pid 7768] close(3 [pid 5071] <... unlink resumed>) = 0 [pid 5071] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7768] <... close resumed>) = 0 [pid 7768] mkdir("./file0", 0777) = 0 [ 288.268228][ T7767] reiserfs: using flush barriers [ 288.268846][ T7768] loop5: detected capacity change from 0 to 8192 [pid 7768] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7769] <... write resumed>) = 4194304 [pid 7769] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7769] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7769] ioctl(4, LOOP_SET_FD, 3) = 0 [ 288.307843][ T7767] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.324235][ T7768] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.337553][ T7768] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 288.348012][ T7768] REISERFS (device loop5): using ordered data mode [ 288.354717][ T7768] reiserfs: using flush barriers [ 288.361351][ T7769] loop4: detected capacity change from 0 to 8192 [pid 7770] 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"..., 4194304 [pid 7769] close(3 [pid 5072] <... umount2 resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [ 288.368133][ T7767] REISERFS (device loop1): checking transaction log (loop1) [ 288.371946][ T7768] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.393840][ T7767] REISERFS (device loop1): Using r5 hash to sort names [ 288.406584][ T7768] REISERFS (device loop5): checking transaction log (loop5) [pid 7770] <... write resumed>) = 4194304 [pid 7769] <... close resumed>) = 0 [pid 5072] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7767] <... mount resumed>) = 0 [pid 7770] munmap(0x7f8a1b2e3000, 4194304 [pid 7769] mkdir("./file0", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7770] <... munmap resumed>) = 0 [pid 7767] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7770] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7769] <... mkdir resumed>) = 0 [pid 7768] <... mount resumed>) = 0 [pid 7767] <... openat resumed>) = 3 [pid 5072] lstat("./223/file0", [pid 5071] lstat("./221/file0", [pid 7770] <... openat resumed>) = 4 [pid 7769] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7768] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7767] chdir("./file0" [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7770] ioctl(4, LOOP_SET_FD, 3 [pid 7768] <... openat resumed>) = 3 [pid 7767] <... chdir resumed>) = 0 [ 288.413526][ T7767] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 288.427869][ T7768] REISERFS (device loop5): Using r5 hash to sort names [ 288.434918][ T7768] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 288.446122][ T7767] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 288.457527][ T7768] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5072] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./223/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./223/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./223") = 0 [pid 5072] mkdir("./224", 0777 [pid 7768] chdir("./file0" [pid 7767] ioctl(4, LOOP_CLR_FD [pid 5072] <... mkdir resumed>) = 0 [pid 5071] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, [pid 7768] <... chdir resumed>) = 0 [pid 7767] <... ioctl resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./221/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 7768] ioctl(4, LOOP_CLR_FD [pid 7767] close(4 [pid 5071] rmdir("./221" [pid 7768] <... ioctl resumed>) = 0 [pid 7767] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... rmdir resumed>) = 0 [pid 5071] mkdir("./222", 0777 [pid 7768] close(4 [pid 7767] mkdir(NULL, 000 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] <... mkdir resumed>) = 0 [pid 7768] <... close resumed>) = 0 [pid 7767] <... mkdir resumed>) = -1 EFAULT (Bad address) [ 288.473396][ T7769] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.486653][ T7769] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 288.486721][ T7770] loop0: detected capacity change from 0 to 8192 [ 288.495843][ T7769] REISERFS (device loop4): using ordered data mode [ 288.509021][ T7769] reiserfs: using flush barriers [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7770] <... ioctl resumed>) = 0 [pid 7768] mkdir(NULL, 000 [pid 7767] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7770] close(3) = 0 [pid 7770] mkdir("./file0", 0777) = 0 [pid 7770] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] close(3 [pid 5071] <... openat resumed>) = 3 [pid 7768] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7768] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7767] <... openat resumed>) = 4 [pid 5072] <... close resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7768] <... openat resumed>) = 4 [pid 7767] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7768] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7767] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7768] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7767] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] close(3 [pid 7768] mount(NULL, "./bus", NULL, 0, NULL [pid 7767] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7768] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] <... close resumed>) = 0 [pid 7767] exit_group(0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7776 attached ./strace-static-x86_64: Process 7775 attached [pid 7768] exit_group(0 [pid 7767] <... exit_group resumed>) = ? [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7775 [ 288.522149][ T7769] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.548102][ T7770] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.561815][ T7770] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7776] chdir("./222" [pid 7775] chdir("./224" [pid 7768] <... exit_group resumed>) = ? [pid 7767] +++ exited with 0 +++ [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7776 [pid 7776] <... chdir resumed>) = 0 [pid 7775] <... chdir resumed>) = 0 [pid 7768] +++ exited with 0 +++ [pid 7776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7768, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7767, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7776] <... prctl resumed>) = 0 [pid 7775] <... prctl resumed>) = 0 [pid 5070] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7776] setpgid(0, 0 [pid 7775] setpgid(0, 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7776] <... setpgid resumed>) = 0 [pid 7775] <... setpgid resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... openat resumed>) = 3 [pid 7776] <... openat resumed>) = 3 [pid 7775] <... openat resumed>) = 3 [pid 5070] fstat(3, [pid 7776] write(3, "1000", 4 [pid 7775] write(3, "1000", 4 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7776] <... write resumed>) = 4 [pid 7775] <... write resumed>) = 4 [pid 5074] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [pid 7776] close(3 [pid 7775] close(3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7776] <... close resumed>) = 0 [pid 7775] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7776] symlink("/dev/binderfs", "./binderfs" [pid 7775] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7776] <... symlink resumed>) = 0 [pid 7775] <... symlink resumed>) = 0 [pid 5074] fstat(3, [pid 5070] lstat("./222/binderfs", [pid 7776] memfd_create("syzkaller", 0 [pid 7775] memfd_create("syzkaller", 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7776] <... memfd_create resumed>) = 3 [pid 7775] <... memfd_create resumed>) = 3 [pid 5074] getdents64(3, [pid 5070] unlink("./222/binderfs" [pid 7776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7775] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... unlink resumed>) = 0 [pid 7776] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7775] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 288.572215][ T7770] REISERFS (device loop0): using ordered data mode [ 288.579846][ T7770] reiserfs: using flush barriers [ 288.583762][ T7769] REISERFS (device loop4): checking transaction log (loop4) [ 288.586426][ T7770] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.609297][ T7770] REISERFS (device loop0): checking transaction log (loop0) [pid 5070] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7769] <... mount resumed>) = 0 [pid 5074] lstat("./226/binderfs", [pid 7776] 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"..., 4194304 [pid 7769] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./226/binderfs") = 0 [pid 5074] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7769] <... openat resumed>) = 3 [pid 7769] chdir("./file0") = 0 [ 288.620284][ T7769] REISERFS (device loop4): Using r5 hash to sort names [ 288.627545][ T7769] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 288.640295][ T7769] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 288.640588][ T7770] REISERFS (device loop0): Using r5 hash to sort names [pid 7776] <... write resumed>) = 4194304 [pid 7775] 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"..., 4194304 [pid 7776] munmap(0x7f8a1b2e3000, 4194304 [pid 7770] <... mount resumed>) = 0 [pid 7769] ioctl(4, LOOP_CLR_FD [pid 7776] <... munmap resumed>) = 0 [pid 7770] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7769] <... ioctl resumed>) = 0 [pid 7776] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7770] <... openat resumed>) = 3 [pid 7769] close(4 [pid 7776] <... openat resumed>) = 4 [pid 7770] chdir("./file0" [pid 7769] <... close resumed>) = 0 [pid 7776] ioctl(4, LOOP_SET_FD, 3 [pid 7770] <... chdir resumed>) = 0 [ 288.701712][ T7770] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 288.714590][ T7770] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7769] mkdir(NULL, 000 [pid 7776] <... ioctl resumed>) = 0 [pid 7770] ioctl(4, LOOP_CLR_FD [pid 7769] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7776] close(3 [pid 7770] <... ioctl resumed>) = 0 [pid 7769] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7776] <... close resumed>) = 0 [pid 7770] close(4 [pid 7769] <... openat resumed>) = 4 [pid 7776] mkdir("./file0", 0777 [pid 7770] <... close resumed>) = 0 [pid 7769] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7770] mkdir(NULL, 000 [pid 7776] <... mkdir resumed>) = 0 [pid 7769] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7770] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7776] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7770] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7769] mount(NULL, "./bus", NULL, 0, NULL [pid 7770] <... openat resumed>) = 4 [pid 7769] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7770] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7769] exit_group(0 [pid 7770] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7769] <... exit_group resumed>) = ? [pid 7770] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7769] +++ exited with 0 +++ [pid 7770] exit_group(0) = ? [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7769, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 7770] +++ exited with 0 +++ [pid 5073] <... restart_syscall resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7770, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5073] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5073] fstat(3, [pid 5069] fstat(3, [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, [pid 5069] getdents64(3, [pid 7775] <... write resumed>) = 4194304 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [ 288.747110][ T7776] loop2: detected capacity change from 0 to 8192 [ 288.771415][ T7776] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5073] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./225/binderfs", [pid 5069] lstat("./218/binderfs", [pid 7775] munmap(0x7f8a1b2e3000, 4194304 [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7775] <... munmap resumed>) = 0 [pid 5073] unlink("./225/binderfs" [pid 5069] unlink("./218/binderfs" [pid 7775] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5073] <... unlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 7775] <... openat resumed>) = 4 [pid 5073] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7775] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7775] close(3) = 0 [pid 7775] mkdir("./file0", 0777) = 0 [pid 5070] <... umount2 resumed>) = 0 [ 288.788814][ T7776] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 288.812465][ T7775] loop3: detected capacity change from 0 to 8192 [ 288.821196][ T7776] REISERFS (device loop2): using ordered data mode [ 288.828000][ T7776] reiserfs: using flush barriers [pid 7775] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5070] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./222/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./222/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./222/file0") = 0 [ 288.845494][ T7776] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.862431][ T7776] REISERFS (device loop2): checking transaction log (loop2) [ 288.871085][ T7776] REISERFS (device loop2): Using r5 hash to sort names [ 288.878253][ T7776] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./222") = 0 [pid 5070] mkdir("./223", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 7776] <... mount resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7779 attached [pid 7776] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7779] chdir("./223" [pid 7776] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = 0 [pid 7779] <... chdir resumed>) = 0 [pid 7776] chdir("./file0" [pid 7779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7776] <... chdir resumed>) = 0 [pid 7779] <... prctl resumed>) = 0 [pid 7776] ioctl(4, LOOP_CLR_FD [pid 5073] <... umount2 resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7779 [pid 7779] setpgid(0, 0 [pid 7776] <... ioctl resumed>) = 0 [pid 7779] <... setpgid resumed>) = 0 [pid 7776] close(4 [pid 7779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7776] <... close resumed>) = 0 [pid 7779] <... openat resumed>) = 3 [pid 7776] mkdir(NULL, 000 [pid 7779] write(3, "1000", 4 [pid 7776] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7779] <... write resumed>) = 4 [pid 7776] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7779] close(3 [pid 7776] <... openat resumed>) = 4 [pid 7779] <... close resumed>) = 0 [pid 7776] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7779] symlink("/dev/binderfs", "./binderfs" [pid 7776] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7779] <... symlink resumed>) = 0 [ 288.891222][ T7776] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 288.900997][ T7775] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.914236][ T7775] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 288.924113][ T7775] REISERFS (device loop3): using ordered data mode [ 288.930746][ T7775] reiserfs: using flush barriers [pid 7776] mount(NULL, "./bus", NULL, 0, NULL [pid 7779] memfd_create("syzkaller", 0 [pid 5074] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7779] <... memfd_create resumed>) = 3 [pid 7776] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7779] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7776] exit_group(0 [pid 5074] lstat("./226/file0", [pid 5073] lstat("./225/file0", [pid 7779] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7776] <... exit_group resumed>) = ? [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./226/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] openat(AT_FDCWD, "./225/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... openat resumed>) = 4 [pid 5073] <... openat resumed>) = 4 [pid 5074] fstat(4, [pid 5073] fstat(4, [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, [pid 5073] getdents64(4, [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, [pid 5073] getdents64(4, [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5074] close(4 [pid 5073] close(4 [pid 5074] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5074] rmdir("./226/file0" [pid 5073] rmdir("./225/file0" [pid 5074] <... rmdir resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5074] getdents64(3, [pid 5073] getdents64(3, [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3 [pid 5073] close(3 [pid 5074] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5074] rmdir("./226" [pid 5073] rmdir("./225" [pid 5074] <... rmdir resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5074] mkdir("./227", 0777 [pid 5073] mkdir("./226", 0777 [pid 7776] +++ exited with 0 +++ [pid 5074] <... mkdir resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7776, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5074] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] close(3 [pid 5073] close(3 [pid 5071] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7780 [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7781 [pid 5071] <... openat resumed>) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 288.957110][ T7775] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./222/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./222/binderfs") = 0 [pid 5071] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7780 attached [pid 7780] chdir("./227") = 0 [pid 7780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7780] setpgid(0, 0) = 0 [pid 7780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7780] write(3, "1000", 4) = 4 [pid 7780] close(3) = 0 [pid 7780] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7780] memfd_create("syzkaller", 0) = 3 [pid 7780] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 ./strace-static-x86_64: Process 7781 attached [pid 7781] chdir("./226" [pid 5069] <... umount2 resumed>) = 0 [pid 7781] <... chdir resumed>) = 0 [pid 7781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7781] setpgid(0, 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7781] <... setpgid resumed>) = 0 [pid 5069] lstat("./218/file0", [pid 7781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7781] <... openat resumed>) = 3 [pid 5069] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7781] write(3, "1000", 4) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7781] close(3 [pid 5069] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7781] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 7781] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5069] fstat(4, [pid 7781] memfd_create("syzkaller", 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7781] <... memfd_create resumed>) = 3 [pid 7781] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] getdents64(4, [pid 7781] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [ 289.033171][ T7775] REISERFS (device loop3): checking transaction log (loop3) [ 289.048508][ T7775] REISERFS (device loop3): Using r5 hash to sort names [ 289.057989][ T7775] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5069] rmdir("./218/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 7779] 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"..., 4194304 [pid 5069] rmdir("./218" [pid 7781] 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"..., 4194304 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] mkdir("./219", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7780] 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"..., 4194304 [pid 5069] close(3 [pid 7775] <... mount resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 7775] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7775] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./222/file0", [pid 7775] chdir("./file0" [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7775] <... chdir resumed>) = 0 [pid 5071] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7782 [pid 7775] ioctl(4, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./222/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7775] <... ioctl resumed>) = 0 [pid 7775] close(4 [pid 5071] <... openat resumed>) = 4 [ 289.121529][ T7775] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7775] <... close resumed>) = 0 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7775] mkdir(NULL, 000 [pid 5071] getdents64(4, [pid 7775] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7775] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] getdents64(4, [pid 7775] <... openat resumed>) = 4 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4 [pid 7775] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5071] <... close resumed>) = 0 [pid 7775] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5071] rmdir("./222/file0" [pid 7775] mount(NULL, "./bus", NULL, 0, NULL [pid 5071] <... rmdir resumed>) = 0 [pid 7775] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5071] getdents64(3, [pid 7775] exit_group(0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7775] <... exit_group resumed>) = ? [pid 5071] close(3 [pid 7775] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7775, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./222"./strace-static-x86_64: Process 7782 attached ) = 0 [pid 7782] chdir("./219" [pid 5071] mkdir("./223", 0777 [pid 7782] <... chdir resumed>) = 0 [pid 7781] <... write resumed>) = 4194304 [pid 5072] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, [pid 5071] <... mkdir resumed>) = 0 [pid 7782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7781] munmap(0x7f8a1b2e3000, 4194304 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7782] <... prctl resumed>) = 0 [pid 5072] getdents64(3, [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5072] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7782] setpgid(0, 0 [pid 7781] <... munmap resumed>) = 0 [pid 5072] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7782] <... setpgid resumed>) = 0 [pid 7781] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 3 [pid 7782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] lstat("./224/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./224/binderfs" [pid 7781] <... openat resumed>) = 4 [pid 5072] <... unlink resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7782] <... openat resumed>) = 3 [pid 7781] ioctl(4, LOOP_SET_FD, 3 [pid 5072] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7782] write(3, "1000", 4 [pid 7781] <... ioctl resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7782] <... write resumed>) = 4 [pid 5071] close(3 [pid 7782] close(3 [pid 5071] <... close resumed>) = 0 [pid 7782] <... close resumed>) = 0 [pid 7781] close(3 [pid 7779] <... write resumed>) = 4194304 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7782] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7781] <... close resumed>) = 0 [pid 7782] memfd_create("syzkaller", 0 [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7783 [pid 7781] mkdir("./file0", 0777 [pid 7779] munmap(0x7f8a1b2e3000, 4194304 [pid 7782] <... memfd_create resumed>) = 3 [pid 7781] <... mkdir resumed>) = 0 [pid 7782] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7781] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7782] <... mmap resumed>) = 0x7f8a1b2e3000 ./strace-static-x86_64: Process 7783 attached [pid 7783] chdir("./223" [pid 7780] <... write resumed>) = 4194304 [pid 7779] <... munmap resumed>) = 0 [pid 7780] munmap(0x7f8a1b2e3000, 4194304 [pid 7779] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7783] <... chdir resumed>) = 0 [pid 7779] <... openat resumed>) = 4 [pid 7783] prctl(PR_SET_PDEATHSIG, SIGKILL [ 289.229729][ T7781] loop4: detected capacity change from 0 to 8192 [pid 7779] ioctl(4, LOOP_SET_FD, 3 [pid 7783] <... prctl resumed>) = 0 [pid 7783] setpgid(0, 0) = 0 [pid 7783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7783] write(3, "1000", 4) = 4 [pid 7783] close(3) = 0 [pid 7783] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7783] memfd_create("syzkaller", 0) = 3 [pid 7783] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7780] <... munmap resumed>) = 0 [pid 7780] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7779] <... ioctl resumed>) = 0 [pid 7780] ioctl(4, LOOP_SET_FD, 3 [pid 7779] close(3 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./224/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./224/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7779] <... close resumed>) = 0 [pid 7779] mkdir("./file0", 0777 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, [pid 7779] <... mkdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7779] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] close(4) = 0 [pid 5072] rmdir("./224/file0") = 0 [pid 5072] getdents64(3, [pid 7780] <... ioctl resumed>) = 0 [pid 7780] close(3) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 7780] mkdir("./file0", 0777 [pid 5072] rmdir("./224" [pid 7780] <... mkdir resumed>) = 0 [pid 7780] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] <... rmdir resumed>) = 0 [pid 5072] mkdir("./225", 0777) = 0 [ 289.279178][ T7779] loop1: detected capacity change from 0 to 8192 [ 289.286644][ T7781] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.310988][ T7781] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 289.320753][ T7780] loop5: detected capacity change from 0 to 8192 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7787 ./strace-static-x86_64: Process 7787 attached [pid 7787] chdir("./225") = 0 [pid 7782] 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"..., 4194304 [pid 7787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7787] setpgid(0, 0) = 0 [ 289.341654][ T7779] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.355648][ T7781] REISERFS (device loop4): using ordered data mode [ 289.362584][ T7781] reiserfs: using flush barriers [ 289.369169][ T7780] REISERFS warning: read_super_block: journal params: device loop4, size 512, journal first block 18, max trans len 256, max [pid 7787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7787] write(3, "1000", 4) = 4 [pid 7787] close(3) = 0 [pid 7787] symlink("/dev/binderfs", "./binderfs" [pid 7783] 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"..., 4194304 [pid 7787] <... symlink resumed>) = 0 [pid 7787] memfd_create("syzkaller", 0) = 3 [pid 7787] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 289.369180][ T7781] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.369582][ T7781] REISERFS (device loop4): checking transaction log (loop4) [ 289.407667][ T7781] REISERFS (device loop4): Using r5 hash to sort names [ 289.415176][ T7781] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 289.428329][ T7781] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7781] <... mount resumed>) = 0 [pid 7781] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7781] chdir("./file0") = 0 [pid 7781] ioctl(4, LOOP_CLR_FD) = 0 [pid 7781] close(4) = 0 [pid 7781] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7781] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7781] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7781] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7781] exit_group(0) = ? [ 289.436447][ T7779] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 7781] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7781, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5073] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./226/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./226/binderfs") = 0 [pid 5073] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7783] <... write resumed>) = 4194304 [ 289.462784][ T7780] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 289.499616][ T7779] REISERFS (device loop1): using ordered data mode [ 289.500617][ T7780] REISERFS (device loop5): using ordered data mode [pid 7783] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7783] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7783] ioctl(4, LOOP_SET_FD, 3) = 0 [ 289.513460][ T7780] reiserfs: using flush barriers [ 289.522709][ T7783] loop2: detected capacity change from 0 to 8192 [ 289.530470][ T7779] reiserfs: using flush barriers [ 289.535919][ T7780] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.554307][ T7780] REISERFS (device loop5): checking transaction log (loop5) [pid 7787] 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"..., 4194304 [pid 7783] close(3) = 0 [pid 7783] mkdir("./file0", 0777) = 0 [ 289.561745][ T7779] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.582704][ T7779] REISERFS (device loop1): checking transaction log (loop1) [ 289.586428][ T7780] REISERFS (device loop5): Using r5 hash to sort names [ 289.591475][ T7779] REISERFS (device loop1): Using r5 hash to sort names [pid 7783] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7782] <... write resumed>) = 4194304 [pid 7782] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7782] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 289.604607][ T7779] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 289.616542][ T7782] loop0: detected capacity change from 0 to 8192 [ 289.618542][ T7779] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 289.624034][ T7783] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.633041][ T7780] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7782] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... umount2 resumed>) = 0 [pid 7779] <... mount resumed>) = 0 [pid 7779] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7780] <... mount resumed>) = 0 [pid 7782] <... ioctl resumed>) = 0 [pid 7779] <... openat resumed>) = 3 [pid 7779] chdir("./file0") = 0 [pid 7782] close(3 [pid 7780] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7779] ioctl(4, LOOP_CLR_FD) = 0 [pid 7779] close(4 [pid 7782] <... close resumed>) = 0 [pid 7780] <... openat resumed>) = 3 [pid 7782] mkdir("./file0", 0777 [pid 7780] chdir("./file0" [pid 7779] <... close resumed>) = 0 [pid 7779] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7779] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7782] <... mkdir resumed>) = 0 [pid 7780] <... chdir resumed>) = 0 [pid 7782] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7780] ioctl(4, LOOP_CLR_FD) = 0 [pid 7779] <... openat resumed>) = 4 [pid 7780] close(4 [pid 7779] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7780] <... close resumed>) = 0 [pid 7780] mkdir(NULL, 000) = -1 EFAULT (Bad address) [ 289.658870][ T7780] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 289.670803][ T7783] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 289.686496][ T7783] REISERFS (device loop2): using ordered data mode [ 289.693358][ T7783] reiserfs: using flush barriers [ 289.700271][ T7782] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7780] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7779] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7780] <... openat resumed>) = 4 [pid 7780] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7780] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7780] exit_group(0) = ? [pid 7779] mount(NULL, "./bus", NULL, 0, NULL [pid 7780] +++ exited with 0 +++ [pid 7779] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7779] exit_group(0) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7780, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5074] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7779] +++ exited with 0 +++ [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7779, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5074] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./227/binderfs", [pid 5070] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5074] unlink("./227/binderfs" [pid 5070] fstat(3, [pid 5074] <... unlink resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [pid 5073] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./223/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 289.701050][ T7783] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.730612][ T7783] REISERFS (device loop2): checking transaction log (loop2) [ 289.739745][ T7783] REISERFS (device loop2): Using r5 hash to sort names [ 289.747026][ T7783] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5070] unlink("./223/binderfs") = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] lstat("./226/file0", [pid 7783] <... mount resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7783] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./226/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, [pid 7783] <... openat resumed>) = 3 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7787] <... write resumed>) = 4194304 [pid 7783] chdir("./file0" [pid 5073] getdents64(4, [pid 7787] munmap(0x7f8a1b2e3000, 4194304 [pid 7783] <... chdir resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7787] <... munmap resumed>) = 0 [pid 7783] ioctl(4, LOOP_CLR_FD [pid 5073] getdents64(4, [pid 7787] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7783] <... ioctl resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7787] <... openat resumed>) = 4 [pid 7783] close(4 [pid 5073] close(4 [pid 7787] ioctl(4, LOOP_SET_FD, 3 [pid 7783] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [ 289.760124][ T7783] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 289.769711][ T7782] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 289.779298][ T7782] REISERFS (device loop0): using ordered data mode [ 289.786435][ T7782] reiserfs: using flush barriers [ 289.796592][ T7782] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7787] <... ioctl resumed>) = 0 [pid 7783] mkdir(NULL, 000 [pid 5074] <... umount2 resumed>) = 0 [pid 5073] rmdir("./226/file0" [pid 5070] <... umount2 resumed>) = 0 [pid 5074] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... rmdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] getdents64(3, [pid 5074] lstat("./227/file0", [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7783] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] close(3 [pid 5070] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7787] close(3 [pid 5074] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = 0 [pid 7787] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] rmdir("./226" [pid 7787] mkdir("./file0", 0777 [pid 5074] openat(AT_FDCWD, "./227/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... rmdir resumed>) = 0 [pid 7787] <... mkdir resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5073] mkdir("./227", 0777 [pid 7787] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 289.831998][ T7782] REISERFS (device loop0): checking transaction log (loop0) [ 289.836438][ T7787] loop3: detected capacity change from 0 to 8192 [ 289.846886][ T7782] REISERFS (device loop0): Using r5 hash to sort names [ 289.854424][ T7782] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 289.868339][ T7782] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5074] fstat(4, [pid 5073] <... mkdir resumed>) = 0 [pid 7783] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7782] <... mount resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7782] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] lstat("./223/file0", [pid 7782] <... openat resumed>) = 3 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7782] chdir("./file0" [pid 5070] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7782] <... chdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7782] ioctl(4, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "./223/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7782] <... ioctl resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 7782] close(4 [pid 5070] fstat(4, [pid 7782] <... close resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7782] mkdir(NULL, 000 [pid 5070] getdents64(4, [pid 7782] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7782] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5070] getdents64(4, [pid 7782] <... openat resumed>) = 4 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7782] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5070] close(4 [pid 7782] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 7782] mount(NULL, "./bus", NULL, 0, NULL [pid 5070] rmdir("./223/file0" [pid 7782] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... rmdir resumed>) = 0 [pid 7782] exit_group(0 [pid 5070] getdents64(3, [pid 7782] <... exit_group resumed>) = ? [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7782] +++ exited with 0 +++ [pid 5070] close(3) = 0 [pid 5070] rmdir("./223") = 0 [pid 5070] mkdir("./224", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7791 [pid 5074] getdents64(4, [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, [pid 5073] <... openat resumed>) = 3 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7782, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=9 /* 0.09 s */} --- [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 5069] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7783] <... openat resumed>) = 4 [pid 5074] close(4 [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 7783] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] rmdir("./227/file0" [pid 5073] close(3 [pid 5069] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... rmdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 7783] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5073] <... close resumed>) = 0 [pid 5069] fstat(3, [pid 7783] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] close(3 [pid 7783] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 5074] rmdir("./227" [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7792 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5074] <... rmdir resumed>) = 0 [pid 5069] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] mkdir("./228", 0777 [pid 5069] lstat("./219/binderfs", ./strace-static-x86_64: Process 7792 attached [pid 5074] <... mkdir resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./219/binderfs" [pid 7792] chdir("./227") = 0 [pid 5069] <... unlink resumed>) = 0 [pid 7783] exit_group(0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5069] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7783] <... exit_group resumed>) = ? [pid 5074] <... openat resumed>) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = 0 [pid 7792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] close(3 [pid 7792] <... prctl resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 7792] setpgid(0, 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7792] <... setpgid resumed>) = 0 [pid 7792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7783] +++ exited with 0 +++ [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7793 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7783, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 7792] write(3, "1000", 4 [pid 5071] <... restart_syscall resumed>) = 0 [pid 7792] <... write resumed>) = 4 [pid 7792] close(3 [pid 5071] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7792] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7792] symlink("/dev/binderfs", "./binderfs" [pid 5071] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, [pid 7792] <... symlink resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./223/binderfs", [pid 7792] memfd_create("syzkaller", 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./223/binderfs" [pid 7792] <... memfd_create resumed>) = 3 [pid 5071] <... unlink resumed>) = 0 [pid 7792] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7792] <... mmap resumed>) = 0x7f8a1b2e3000 ./strace-static-x86_64: Process 7791 attached [pid 7791] chdir("./224") = 0 [pid 7791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7791] setpgid(0, 0) = 0 [pid 7791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7793 attached ) = 3 [pid 7791] write(3, "1000", 4) = 4 [pid 7791] close(3) = 0 [pid 7793] chdir("./228" [ 289.868708][ T7787] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.896789][ T7787] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7791] symlink("/dev/binderfs", "./binderfs" [pid 7793] <... chdir resumed>) = 0 [pid 7791] <... symlink resumed>) = 0 [pid 7791] memfd_create("syzkaller", 0) = 3 [pid 7791] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7793] setpgid(0, 0) = 0 [pid 7793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7793] write(3, "1000", 4) = 4 [pid 7793] close(3) = 0 [pid 7793] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7793] memfd_create("syzkaller", 0) = 3 [pid 7793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./223/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./223/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./223/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./223") = 0 [pid 5071] mkdir("./224", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 289.982555][ T7787] REISERFS (device loop3): using ordered data mode [pid 7792] 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"..., 4194304 [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7794 attached [pid 7794] chdir("./224") = 0 [pid 7794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7794] setpgid(0, 0) = 0 [pid 7794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7794 [pid 7794] <... openat resumed>) = 3 [pid 7791] 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"..., 4194304 [pid 7794] write(3, "1000", 4) = 4 [pid 7794] close(3) = 0 [pid 7794] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7794] memfd_create("syzkaller", 0) = 3 [pid 7794] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [ 290.057768][ T7787] reiserfs: using flush barriers [ 290.085550][ T7787] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7792] <... write resumed>) = 4194304 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./219/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7792] munmap(0x7f8a1b2e3000, 4194304 [pid 7794] 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"..., 4194304 [pid 5069] <... openat resumed>) = 4 [pid 7792] <... munmap resumed>) = 0 [pid 7792] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] fstat(4, [pid 7793] 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"..., 4194304 [pid 7792] <... openat resumed>) = 4 [pid 7792] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./219/file0") = 0 [pid 5069] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [ 290.156988][ T7787] REISERFS (device loop3): checking transaction log (loop3) [ 290.190839][ T7792] loop4: detected capacity change from 0 to 8192 [pid 5069] rmdir("./219" [pid 7792] <... ioctl resumed>) = 0 [pid 7792] close(3) = 0 [pid 7792] mkdir("./file0", 0777 [pid 5069] <... rmdir resumed>) = 0 [pid 7792] <... mkdir resumed>) = 0 [pid 7792] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5069] mkdir("./220", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7796 ./strace-static-x86_64: Process 7796 attached [pid 7796] chdir("./220") = 0 [pid 7796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7796] setpgid(0, 0) = 0 [pid 7796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 290.216728][ T7787] REISERFS (device loop3): Using r5 hash to sort names [ 290.223795][ T7787] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7796] write(3, "1000", 4) = 4 [pid 7796] close(3) = 0 [pid 7796] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7796] memfd_create("syzkaller", 0) = 3 [pid 7796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7791] <... write resumed>) = 4194304 [pid 7794] <... write resumed>) = 4194304 [pid 7793] <... write resumed>) = 4194304 [pid 7791] munmap(0x7f8a1b2e3000, 4194304 [pid 7793] munmap(0x7f8a1b2e3000, 4194304 [pid 7794] munmap(0x7f8a1b2e3000, 4194304 [pid 7793] <... munmap resumed>) = 0 [pid 7791] <... munmap resumed>) = 0 [pid 7787] <... mount resumed>) = 0 [pid 7794] <... munmap resumed>) = 0 [pid 7787] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7793] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7791] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7793] <... openat resumed>) = 4 [pid 7793] ioctl(4, LOOP_SET_FD, 3 [pid 7791] ioctl(4, LOOP_SET_FD, 3 [ 290.297154][ T7792] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 290.310757][ T7787] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 290.321205][ T7792] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 290.334244][ T7793] loop5: detected capacity change from 0 to 8192 [pid 7794] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7787] <... openat resumed>) = 3 [pid 7787] chdir("./file0") = 0 [pid 7787] ioctl(4, LOOP_CLR_FD) = 0 [pid 7787] close(4) = 0 [pid 7787] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7787] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7787] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7787] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7787] exit_group(0) = ? [pid 7794] <... openat resumed>) = 4 [pid 7794] ioctl(4, LOOP_SET_FD, 3 [pid 7787] +++ exited with 0 +++ [pid 7794] <... ioctl resumed>) = 0 [pid 7793] <... ioctl resumed>) = 0 [pid 7791] <... ioctl resumed>) = 0 [pid 7794] close(3 [pid 7793] close(3 [pid 7791] close(3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7787, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=10 /* 0.10 s */} --- [pid 7793] <... close resumed>) = 0 [pid 7791] <... close resumed>) = 0 [pid 5072] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7794] <... close resumed>) = 0 [pid 7794] mkdir("./file0", 0777 [pid 7793] mkdir("./file0", 0777 [pid 7791] mkdir("./file0", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7794] <... mkdir resumed>) = 0 [pid 7793] <... mkdir resumed>) = 0 [pid 7791] <... mkdir resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 7794] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7793] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7791] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./225/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./225/binderfs") = 0 [pid 5072] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 290.341388][ T7791] loop1: detected capacity change from 0 to 8192 [ 290.349634][ T7794] loop2: detected capacity change from 0 to 8192 [ 290.355293][ T7792] REISERFS (device loop4): using ordered data mode [ 290.367497][ T7792] reiserfs: using flush barriers [ 290.377355][ T7792] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7796] 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"..., 4194304) = 4194304 [pid 7796] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7796] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 290.395044][ T7791] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 290.408271][ T7794] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 290.422027][ T7793] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7796] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7796] close(3) = 0 [pid 7796] mkdir("./file0", 0777) = 0 [ 290.451561][ T7796] loop0: detected capacity change from 0 to 8192 [ 290.464332][ T7792] REISERFS (device loop4): checking transaction log (loop4) [ 290.469972][ T7793] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 290.472586][ T7791] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 290.482169][ T7794] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 290.491225][ T7792] REISERFS (device loop4): Using r5 hash to sort names [ 290.507035][ T7796] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 290.520220][ T7791] REISERFS (device loop1): using ordered data mode [ 290.528267][ T7792] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 290.530861][ T7796] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7796] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5072] <... umount2 resumed>) = 0 [ 290.546294][ T7793] REISERFS (device loop5): using ordered data mode [ 290.551439][ T7796] REISERFS (device loop0): using ordered data mode [ 290.558084][ T7791] reiserfs: using flush barriers [ 290.564281][ T7796] reiserfs: using flush barriers [ 290.574146][ T7794] REISERFS (device loop2): using ordered data mode [ 290.575515][ T7792] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 290.581509][ T7793] reiserfs: using flush barriers [pid 5072] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./225/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./225/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./225/file0") = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./225") = 0 [pid 5072] mkdir("./226", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7801 ./strace-static-x86_64: Process 7801 attached [pid 7801] chdir("./226") = 0 [pid 7801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 290.590062][ T7796] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 290.595213][ T7794] reiserfs: using flush barriers [ 290.611188][ T7796] REISERFS (device loop0): checking transaction log (loop0) [ 290.624679][ T7791] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 290.641144][ T7796] REISERFS (device loop0): Using r5 hash to sort names [pid 7801] setpgid(0, 0) = 0 [pid 7801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7801] write(3, "1000", 4) = 4 [pid 7801] close(3) = 0 [pid 7801] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7801] memfd_create("syzkaller", 0) = 3 [pid 7801] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7792] <... mount resumed>) = 0 [pid 7792] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7792] chdir("./file0") = 0 [pid 7792] ioctl(4, LOOP_CLR_FD) = 0 [pid 7792] close(4) = 0 [ 290.653683][ T7791] REISERFS (device loop1): checking transaction log (loop1) [ 290.661645][ T7796] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 290.674577][ T7793] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 290.675426][ T7791] REISERFS (device loop1): Using r5 hash to sort names [pid 7792] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7792] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 7792] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7792] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7792] exit_group(0) = ? [pid 7792] +++ exited with 0 +++ [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7792, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [ 290.698254][ T7796] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7796] <... mount resumed>) = 0 [pid 5073] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7796] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] <... openat resumed>) = 3 [pid 5073] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7796] <... openat resumed>) = 3 [pid 5073] lstat("./227/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] unlink("./227/binderfs") = 0 [pid 5073] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7796] chdir("./file0" [pid 7791] <... mount resumed>) = 0 [ 290.724475][ T7791] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 290.729024][ T7794] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 290.737695][ T7793] REISERFS (device loop5): checking transaction log (loop5) [ 290.761112][ T7791] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7796] <... chdir resumed>) = 0 [pid 7791] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7796] ioctl(4, LOOP_CLR_FD [pid 7791] <... openat resumed>) = 3 [pid 7796] <... ioctl resumed>) = 0 [pid 7791] chdir("./file0" [pid 7796] close(4 [pid 7791] <... chdir resumed>) = 0 [pid 7796] <... close resumed>) = 0 [pid 7801] 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"..., 4194304 [pid 7796] mkdir(NULL, 000 [pid 7791] ioctl(4, LOOP_CLR_FD [pid 7796] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7791] <... ioctl resumed>) = 0 [pid 7796] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7791] close(4 [pid 7796] <... openat resumed>) = 4 [pid 7791] <... close resumed>) = 0 [pid 7796] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7791] mkdir(NULL, 000 [pid 7796] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7796] mount(NULL, "./bus", NULL, 0, NULL [pid 7791] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7796] <... mount resumed>) = -1 ENOENT (No such file or directory) [ 290.772165][ T7793] REISERFS (device loop5): Using r5 hash to sort names [pid 7791] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7796] exit_group(0 [pid 7791] <... openat resumed>) = 4 [pid 7796] <... exit_group resumed>) = ? [pid 7791] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7796] +++ exited with 0 +++ [pid 7791] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7791] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7796, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7791] exit_group(0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 7791] <... exit_group resumed>) = ? [pid 5069] <... restart_syscall resumed>) = 0 [pid 7791] +++ exited with 0 +++ [pid 5069] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7791, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} --- [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] fstat(3, [pid 5069] lstat("./220/binderfs", [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] getdents64(3, [pid 5069] unlink("./220/binderfs" [pid 5073] <... umount2 resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... unlink resumed>) = 0 [pid 5070] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 290.824429][ T7793] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 290.859067][ T7794] REISERFS (device loop2): checking transaction log (loop2) [pid 5073] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./224/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5073] lstat("./227/file0", [pid 5070] unlink("./224/binderfs" [pid 7793] <... mount resumed>) = 0 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5070] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7793] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7793] <... openat resumed>) = 3 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7793] chdir("./file0" [pid 5073] openat(AT_FDCWD, "./227/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7793] <... chdir resumed>) = 0 [pid 7793] ioctl(4, LOOP_CLR_FD [pid 5073] <... openat resumed>) = 4 [pid 7793] <... ioctl resumed>) = 0 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7793] close(4 [pid 5073] getdents64(4, [pid 7793] <... close resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7793] mkdir(NULL, 000 [pid 5073] getdents64(4, [pid 7793] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7793] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] close(4 [pid 7801] <... write resumed>) = 4194304 [pid 7793] <... openat resumed>) = 4 [pid 5073] <... close resumed>) = 0 [pid 7793] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [ 290.878751][ T7793] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 290.893293][ T7794] REISERFS (device loop2): Using r5 hash to sort names [ 290.900876][ T7794] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 290.914481][ T7794] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] rmdir("./227/file0" [pid 7793] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7793] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... rmdir resumed>) = 0 [pid 7793] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] getdents64(3, [pid 7793] exit_group(0 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7794] <... mount resumed>) = 0 [pid 7793] <... exit_group resumed>) = ? [pid 5073] close(3 [pid 7801] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7794] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7793] +++ exited with 0 +++ [pid 5073] <... close resumed>) = 0 [pid 7794] <... openat resumed>) = 3 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7793, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5073] rmdir("./227" [pid 7801] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7794] chdir("./file0" [pid 5073] <... rmdir resumed>) = 0 [pid 7801] ioctl(4, LOOP_SET_FD, 3 [pid 7794] <... chdir resumed>) = 0 [pid 5073] mkdir("./228", 0777 [pid 7801] <... ioctl resumed>) = 0 [pid 7794] ioctl(4, LOOP_CLR_FD [pid 5073] <... mkdir resumed>) = 0 [pid 5074] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7794] <... ioctl resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7794] close(4 [pid 5074] fstat(3, [pid 5073] <... openat resumed>) = 3 [pid 7794] <... close resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] ioctl(3, LOOP_CLR_FD [pid 7794] mkdir(NULL, 000 [pid 5074] getdents64(3, [pid 5073] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7794] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] close(3 [pid 7794] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... close resumed>) = 0 [pid 7794] <... openat resumed>) = 4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7794] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5074] lstat("./228/binderfs", [pid 7794] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7794] mount(NULL, "./bus", NULL, 0, NULL [pid 5074] unlink("./228/binderfs" [pid 5073] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7802 [pid 7794] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5074] <... unlink resumed>) = 0 [pid 7794] exit_group(0 [pid 5074] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7794] <... exit_group resumed>) = ? [pid 7801] close(3) = 0 [pid 7794] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7794, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7801] mkdir("./file0", 0777 [pid 5071] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7801] <... mkdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7801] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] <... umount2 resumed>) = 0 [pid 5071] fstat(3, ./strace-static-x86_64: Process 7802 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = 0 [ 290.976352][ T7801] loop3: detected capacity change from 0 to 8192 [pid 7802] chdir("./228" [pid 5071] getdents64(3, [pid 5069] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7802] <... chdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7802] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7802] <... prctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./224/file0", [pid 5069] lstat("./220/file0", [pid 7802] setpgid(0, 0 [pid 5071] lstat("./224/binderfs", [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7802] <... setpgid resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] unlink("./224/binderfs" [pid 5069] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... unlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(4, [pid 7802] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7802] write(3, "1000", 4 [pid 5070] openat(AT_FDCWD, "./224/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(4, [pid 7802] <... write resumed>) = 4 [pid 5070] <... openat resumed>) = 4 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7802] close(3 [pid 5070] fstat(4, [pid 5069] getdents64(4, [pid 7802] <... close resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7802] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... umount2 resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] close(4 [pid 7802] <... symlink resumed>) = 0 [ 291.029976][ T7801] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.049817][ T7801] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 291.059439][ T7801] REISERFS (device loop3): using ordered data mode [pid 5074] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] <... close resumed>) = 0 [pid 7802] memfd_create("syzkaller", 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] rmdir("./220/file0") = 0 [pid 7802] <... memfd_create resumed>) = 3 [pid 5074] lstat("./228/file0", [pid 5070] getdents64(4, [pid 5069] getdents64(3, [pid 7802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7802] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] openat(AT_FDCWD, "./228/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] lstat("./224/file0", [pid 5070] <... close resumed>) = 0 [pid 5069] close(3 [pid 5074] <... openat resumed>) = 4 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] rmdir("./224/file0" [pid 5069] <... close resumed>) = 0 [pid 5074] fstat(4, [pid 5071] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 5069] rmdir("./220" [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 5069] <... rmdir resumed>) = 0 [pid 7802] 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"..., 4194304 [pid 5074] getdents64(4, [pid 5071] openat(AT_FDCWD, "./224/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5069] mkdir("./221", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 291.087449][ T7801] reiserfs: using flush barriers [ 291.101189][ T7801] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5069] close(3 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5071] <... openat resumed>) = 4 [pid 5070] close(3 [pid 5069] <... close resumed>) = 0 [pid 5074] getdents64(4, [pid 5071] fstat(4, [pid 5070] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] rmdir("./224" [pid 5074] close(4 [pid 5071] getdents64(4, [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7804 [pid 5074] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7804 attached [pid 7804] chdir("./221") = 0 [pid 7804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] rmdir("./228/file0" [pid 5071] getdents64(4, [pid 5070] mkdir("./225", 0777 [pid 7804] <... prctl resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7804] setpgid(0, 0 [pid 5074] getdents64(3, [pid 5071] close(4 [pid 5070] <... mkdir resumed>) = 0 [pid 7804] <... setpgid resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] close(3 [pid 5071] rmdir("./224/file0" [pid 5070] <... openat resumed>) = 3 [pid 7804] <... openat resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 7804] write(3, "1000", 4 [pid 5074] rmdir("./228" [pid 5071] <... rmdir resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7804] <... write resumed>) = 4 [pid 5074] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7804] close(3) = 0 [pid 7804] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7804] memfd_create("syzkaller", 0) = 3 [pid 7804] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5074] mkdir("./229", 0777 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 7802] <... write resumed>) = 4194304 [pid 5074] <... mkdir resumed>) = 0 [pid 5071] close(3 [pid 5070] <... close resumed>) = 0 [pid 7802] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7802] <... munmap resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5071] rmdir("./224" [pid 7802] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] ioctl(3, LOOP_CLR_FD [pid 7802] <... openat resumed>) = 4 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7805 [pid 7802] ioctl(4, LOOP_SET_FD, 3 [pid 5074] close(3 [ 291.146665][ T7801] REISERFS (device loop3): checking transaction log (loop3) [ 291.164571][ T7801] REISERFS (device loop3): Using r5 hash to sort names [ 291.182131][ T7801] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5071] mkdir("./225", 0777./strace-static-x86_64: Process 7805 attached [pid 7802] <... ioctl resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 7805] chdir("./225" [pid 7804] 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"..., 4194304 [pid 7802] close(3 [pid 7801] <... mount resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7805] <... chdir resumed>) = 0 [pid 7802] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 7805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7802] mkdir("./file0", 0777 [pid 5074] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7806 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 7805] <... prctl resumed>) = 0 [pid 7802] <... mkdir resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7805] setpgid(0, 0 [pid 7802] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5071] close(3./strace-static-x86_64: Process 7806 attached [pid 7805] <... setpgid resumed>) = 0 [pid 7801] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... close resumed>) = 0 [pid 7806] chdir("./229" [pid 7805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7806] <... chdir resumed>) = 0 [pid 7805] <... openat resumed>) = 3 [pid 7801] <... openat resumed>) = 3 [pid 7806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7805] write(3, "1000", 4 [pid 7801] chdir("./file0" [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7808 [pid 7806] <... prctl resumed>) = 0 [pid 7805] <... write resumed>) = 4 [pid 7801] <... chdir resumed>) = 0 [pid 7806] setpgid(0, 0 [pid 7805] close(3 [pid 7801] ioctl(4, LOOP_CLR_FD [pid 7806] <... setpgid resumed>) = 0 [pid 7805] <... close resumed>) = 0 [ 291.216599][ T7802] loop4: detected capacity change from 0 to 8192 [ 291.217957][ T7801] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7801] <... ioctl resumed>) = 0 [pid 7806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7805] symlink("/dev/binderfs", "./binderfs" [pid 7801] close(4 [pid 7806] <... openat resumed>) = 3 [pid 7805] <... symlink resumed>) = 0 [pid 7801] <... close resumed>) = 0 [pid 7806] write(3, "1000", 4 [pid 7805] memfd_create("syzkaller", 0 [pid 7801] mkdir(NULL, 000 [pid 7806] <... write resumed>) = 4 [pid 7805] <... memfd_create resumed>) = 3 [pid 7801] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7806] close(3 [pid 7805] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7801] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 7808 attached [pid 7806] <... close resumed>) = 0 [pid 7805] <... mmap resumed>) = 0x7f8a1b2e3000 [ 291.260382][ T7802] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.296363][ T7802] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 7801] <... openat resumed>) = 4 [pid 7808] chdir("./225" [pid 7806] symlink("/dev/binderfs", "./binderfs" [pid 7801] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7808] <... chdir resumed>) = 0 [pid 7808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7808] setpgid(0, 0) = 0 [pid 7806] <... symlink resumed>) = 0 [pid 7801] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7806] memfd_create("syzkaller", 0 [pid 7801] mount(NULL, "./bus", NULL, 0, NULL [pid 7808] <... openat resumed>) = 3 [pid 7806] <... memfd_create resumed>) = 3 [pid 7805] 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"..., 4194304 [pid 7804] <... write resumed>) = 4194304 [pid 7801] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7808] write(3, "1000", 4 [pid 7806] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7804] munmap(0x7f8a1b2e3000, 4194304 [pid 7808] <... write resumed>) = 4 [pid 7806] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7801] exit_group(0 [pid 7808] close(3) = 0 [pid 7808] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7808] memfd_create("syzkaller", 0) = 3 [pid 7808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7804] <... munmap resumed>) = 0 [pid 7801] <... exit_group resumed>) = ? [pid 7804] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7801] +++ exited with 0 +++ [pid 7804] <... openat resumed>) = 4 [pid 7804] ioctl(4, LOOP_SET_FD, 3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7801, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=10 /* 0.10 s */} --- [ 291.305711][ T7802] REISERFS (device loop4): using ordered data mode [ 291.312826][ T7802] reiserfs: using flush barriers [ 291.321066][ T7802] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5072] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7804] <... ioctl resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./226/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./226/binderfs") = 0 [pid 7804] close(3 [pid 5072] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7808] 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"..., 4194304 [pid 7804] <... close resumed>) = 0 [pid 7804] mkdir("./file0", 0777) = 0 [pid 7805] <... write resumed>) = 4194304 [ 291.360457][ T7804] loop0: detected capacity change from 0 to 8192 [ 291.367657][ T7802] REISERFS (device loop4): checking transaction log (loop4) [ 291.381206][ T7802] REISERFS (device loop4): Using r5 hash to sort names [pid 7804] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7805] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7805] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 291.414879][ T7804] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.429607][ T7802] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 291.436328][ T7804] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 291.453625][ T7805] loop1: detected capacity change from 0 to 8192 [pid 7805] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7806] 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"..., 4194304 [pid 7805] close(3) = 0 [pid 7805] mkdir("./file0", 0777) = 0 [ 291.466395][ T7804] REISERFS (device loop0): using ordered data mode [ 291.473631][ T7804] reiserfs: using flush barriers [ 291.480690][ T7804] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 291.498059][ T7804] REISERFS (device loop0): checking transaction log (loop0) [ 291.504166][ T7802] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7805] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7808] <... write resumed>) = 4194304 [pid 7808] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7808] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 291.505487][ T7805] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.529256][ T7804] REISERFS (device loop0): Using r5 hash to sort names [ 291.536575][ T7804] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 291.549653][ T7805] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 291.554150][ T7808] loop2: detected capacity change from 0 to 8192 [pid 7808] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... umount2 resumed>) = 0 [pid 7808] <... ioctl resumed>) = 0 [pid 7808] close(3) = 0 [pid 7808] mkdir("./file0", 0777) = 0 [pid 7808] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7802] <... mount resumed>) = 0 [pid 7804] <... mount resumed>) = 0 [pid 7802] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7802] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./226/file0", [ 291.565052][ T7804] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 291.567869][ T7805] REISERFS (device loop1): using ordered data mode [ 291.581881][ T7808] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.581968][ T7805] reiserfs: using flush barriers [ 291.601885][ T7808] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 291.608050][ T7806] loop5: detected capacity change from 0 to 8192 [pid 7802] chdir("./file0" [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7804] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7802] <... chdir resumed>) = 0 [pid 7806] <... write resumed>) = 4194304 [pid 7806] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7806] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7806] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7806] close(3 [pid 7802] ioctl(4, LOOP_CLR_FD [pid 7806] <... close resumed>) = 0 [pid 7802] <... ioctl resumed>) = 0 [pid 7806] mkdir("./file0", 0777 [pid 7802] close(4 [pid 7804] <... openat resumed>) = 3 [pid 5072] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7806] <... mkdir resumed>) = 0 [pid 7804] chdir("./file0" [pid 7802] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7806] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7804] <... chdir resumed>) = 0 [pid 7802] mkdir(NULL, 000 [pid 5072] openat(AT_FDCWD, "./226/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7804] ioctl(4, LOOP_CLR_FD [pid 7802] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5072] <... openat resumed>) = 4 [pid 7804] <... ioctl resumed>) = 0 [pid 7802] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7804] close(4 [pid 7802] <... openat resumed>) = 4 [pid 5072] fstat(4, [pid 7804] <... close resumed>) = 0 [pid 7802] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7804] mkdir(NULL, 000 [pid 7802] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [ 291.617649][ T7805] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 291.635414][ T7808] REISERFS (device loop2): using ordered data mode [ 291.642195][ T7808] reiserfs: using flush barriers [ 291.649974][ T7808] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5072] getdents64(4, [pid 7804] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7802] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7804] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7802] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5072] getdents64(4, [pid 7804] <... openat resumed>) = 4 [pid 7802] exit_group(0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7804] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7802] <... exit_group resumed>) = ? [pid 5072] close(4 [pid 7804] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7802] +++ exited with 0 +++ [pid 5072] <... close resumed>) = 0 [pid 7804] mount(NULL, "./bus", NULL, 0, NULL [pid 5072] rmdir("./226/file0" [pid 7804] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7802, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5072] <... rmdir resumed>) = 0 [pid 7808] <... mount resumed>) = 0 [pid 7804] exit_group(0 [pid 5073] restart_syscall(<... resuming interrupted clone ...> [pid 5072] getdents64(3, [ 291.666799][ T7808] REISERFS (device loop2): checking transaction log (loop2) [ 291.674920][ T7805] REISERFS (device loop1): checking transaction log (loop1) [ 291.682370][ T7808] REISERFS (device loop2): Using r5 hash to sort names [ 291.689609][ T7808] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 291.702351][ T7808] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7808] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7804] <... exit_group resumed>) = ? [pid 5073] <... restart_syscall resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7808] <... openat resumed>) = 3 [pid 7804] +++ exited with 0 +++ [pid 5072] close(3 [pid 7808] chdir("./file0" [pid 5072] <... close resumed>) = 0 [pid 7808] <... chdir resumed>) = 0 [pid 5073] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] rmdir("./226" [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7804, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 7808] ioctl(4, LOOP_CLR_FD [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... rmdir resumed>) = 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 7808] <... ioctl resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] mkdir("./227", 0777 [pid 5069] <... restart_syscall resumed>) = 0 [pid 7808] close(4 [pid 5073] <... openat resumed>) = 3 [pid 5072] <... mkdir resumed>) = 0 [pid 7808] <... close resumed>) = 0 [pid 5073] fstat(3, [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7808] mkdir(NULL, 000 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5069] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7808] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5073] getdents64(3, [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7808] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7808] <... openat resumed>) = 4 [pid 5073] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] close(3 [pid 5069] <... openat resumed>) = 3 [pid 7808] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... close resumed>) = 0 [pid 5069] fstat(3, [pid 7808] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./228/binderfs", [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7808] mount(NULL, "./bus", NULL, 0, NULL [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] getdents64(3, [pid 7808] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5073] unlink("./228/binderfs" [pid 5072] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7813 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7808] exit_group(0 [pid 5073] <... unlink resumed>) = 0 [pid 5069] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7808] <... exit_group resumed>) = ? [pid 5073] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7808] +++ exited with 0 +++ [ 291.712349][ T7806] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.725444][ T7806] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 291.734731][ T7806] REISERFS (device loop5): using ordered data mode [ 291.741322][ T7806] reiserfs: using flush barriers [ 291.747929][ T7806] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5069] lstat("./221/binderfs", [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7808, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7813 attached [pid 5069] unlink("./221/binderfs" [pid 7813] chdir("./227" [pid 5069] <... unlink resumed>) = 0 [pid 7813] <... chdir resumed>) = 0 [pid 5071] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7813] <... prctl resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7813] setpgid(0, 0 [pid 5071] <... openat resumed>) = 3 [pid 7813] <... setpgid resumed>) = 0 [pid 5071] fstat(3, [pid 7813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7813] <... openat resumed>) = 3 [pid 5071] getdents64(3, [pid 7813] write(3, "1000", 4 [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 7813] <... write resumed>) = 4 [ 291.770216][ T7805] REISERFS (device loop1): Using r5 hash to sort names [ 291.782139][ T7805] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 291.795846][ T7806] REISERFS (device loop5): checking transaction log (loop5) [ 291.803545][ T7805] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5071] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7813] close(3 [pid 7805] <... mount resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7813] <... close resumed>) = 0 [pid 5071] lstat("./225/binderfs", [pid 7813] symlink("/dev/binderfs", "./binderfs" [pid 7805] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7813] <... symlink resumed>) = 0 [pid 5071] unlink("./225/binderfs" [pid 7813] memfd_create("syzkaller", 0 [pid 5071] <... unlink resumed>) = 0 [pid 7813] <... memfd_create resumed>) = 3 [pid 5071] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7813] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7806] <... mount resumed>) = 0 [pid 7805] <... openat resumed>) = 3 [pid 7806] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7805] chdir("./file0" [pid 5069] <... umount2 resumed>) = 0 [pid 7806] <... openat resumed>) = 3 [pid 7805] <... chdir resumed>) = 0 [pid 7806] chdir("./file0" [pid 7805] ioctl(4, LOOP_CLR_FD [pid 5069] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7806] <... chdir resumed>) = 0 [pid 7805] <... ioctl resumed>) = 0 [pid 7806] ioctl(4, LOOP_CLR_FD [pid 7805] close(4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7806] <... ioctl resumed>) = 0 [pid 7805] <... close resumed>) = 0 [pid 7806] close(4 [pid 7805] mkdir(NULL, 000 [pid 5069] lstat("./221/file0", [pid 7806] <... close resumed>) = 0 [pid 7805] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7806] mkdir(NULL, 000 [pid 7805] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5069] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7806] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7805] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7806] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7805] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [ 291.814236][ T7806] REISERFS (device loop5): Using r5 hash to sort names [ 291.821591][ T7806] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 291.834755][ T7806] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5069] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7806] <... openat resumed>) = 4 [pid 7805] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 7806] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7805] mount(NULL, "./bus", NULL, 0, NULL [pid 5069] fstat(4, [pid 7806] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7805] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7806] mount(NULL, "./bus", NULL, 0, NULL [pid 7805] exit_group(0 [pid 5069] getdents64(4, [pid 7806] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7805] <... exit_group resumed>) = ? [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7806] exit_group(0 [pid 7805] +++ exited with 0 +++ [pid 5069] getdents64(4, [pid 7806] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7805, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7806] +++ exited with 0 +++ [pid 5069] close(4 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7806, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5069] <... close resumed>) = 0 [pid 5070] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] rmdir("./221/file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(3, [pid 5070] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] umount2("./229", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] fstat(3, [pid 5069] close(3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] getdents64(3, [pid 5069] rmdir("./221" [pid 5074] <... openat resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] <... rmdir resumed>) = 0 [pid 5074] fstat(3, [pid 5070] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] mkdir("./222", 0777 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... mkdir resumed>) = 0 [pid 5074] getdents64(3, [pid 5070] lstat("./225/binderfs", [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5074] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5074] umount2("./229/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./225/binderfs" [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] lstat("./229/binderfs", [pid 5070] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 5074] unlink("./229/binderfs" [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... unlink resumed>) = 0 [pid 5074] umount2("./229/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7814 ./strace-static-x86_64: Process 7814 attached [pid 7814] chdir("./222") = 0 [pid 7814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7814] setpgid(0, 0 [pid 7813] 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"..., 4194304 [pid 5073] <... umount2 resumed>) = 0 [pid 7814] <... setpgid resumed>) = 0 [pid 7814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7814] write(3, "1000", 4) = 4 [pid 7814] close(3) = 0 [pid 7814] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7814] memfd_create("syzkaller", 0) = 3 [pid 7814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5073] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] lstat("./228/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./228/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5073] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5073] close(4) = 0 [pid 5073] rmdir("./228/file0" [pid 5071] <... umount2 resumed>) = 0 [pid 5073] <... rmdir resumed>) = 0 [pid 5073] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [pid 5073] rmdir("./228") = 0 [pid 5073] mkdir("./229", 0777 [pid 5071] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... mkdir resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7815 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./225/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./225/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, ./strace-static-x86_64: Process 7815 attached 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7815] chdir("./229" [pid 5071] getdents64(4, [pid 7815] <... chdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] close(4) = 0 [pid 5071] rmdir("./225/file0" [pid 7815] <... prctl resumed>) = 0 [pid 7815] setpgid(0, 0 [pid 5071] <... rmdir resumed>) = 0 [pid 7815] <... setpgid resumed>) = 0 [pid 5071] getdents64(3, [pid 5070] <... umount2 resumed>) = 0 [pid 7815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7815] <... openat resumed>) = 3 [pid 5071] close(3 [pid 7815] write(3, "1000", 4 [pid 5071] <... close resumed>) = 0 [pid 5070] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7815] <... write resumed>) = 4 [pid 5071] rmdir("./225" [pid 7815] close(3 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7815] <... close resumed>) = 0 [pid 5071] mkdir("./226", 0777 [pid 5070] lstat("./225/file0", [pid 7815] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... mkdir resumed>) = 0 [pid 7815] <... symlink resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7815] memfd_create("syzkaller", 0 [pid 5070] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7816 [pid 7815] <... memfd_create resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./225/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7816 attached [pid 7815] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5070] <... openat resumed>) = 4 [pid 7816] chdir("./226") = 0 [pid 5070] fstat(4, [pid 7816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7816] setpgid(0, 0 [pid 5074] umount2("./229/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(4, [pid 7816] <... setpgid resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] lstat("./229/file0", [pid 5070] getdents64(4, [pid 7816] <... openat resumed>) = 3 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7816] write(3, "1000", 4 [pid 5074] umount2("./229/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(4 [pid 7816] <... write resumed>) = 4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 7816] close(3 [pid 5074] openat(AT_FDCWD, "./229/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] rmdir("./225/file0" [pid 7816] <... close resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [pid 7816] symlink("/dev/binderfs", "./binderfs" [pid 5074] fstat(4, [pid 5070] <... rmdir resumed>) = 0 [pid 7816] <... symlink resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, [pid 7816] memfd_create("syzkaller", 0 [pid 5074] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7816] <... memfd_create resumed>) = 3 [pid 7814] 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"..., 4194304 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] close(3 [pid 7816] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] getdents64(4, [pid 5070] <... close resumed>) = 0 [pid 7816] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5074] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] rmdir("./225" [pid 7813] <... write resumed>) = 4194304 [pid 5074] close(4) = 0 [pid 5074] rmdir("./229/file0") = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5074] getdents64(3, [pid 5070] mkdir("./226", 0777 [pid 5074] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5074] rmdir("./229" [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7813] munmap(0x7f8a1b2e3000, 4194304 [pid 5074] <... rmdir resumed>) = 0 [pid 7815] 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"..., 4194304 [pid 7813] <... munmap resumed>) = 0 [pid 5074] mkdir("./230", 0777 [pid 5070] <... openat resumed>) = 3 [pid 5074] <... mkdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7817 ./strace-static-x86_64: Process 7817 attached [pid 7817] chdir("./230" [pid 7813] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5070] ioctl(3, LOOP_CLR_FD [pid 7813] <... openat resumed>) = 4 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7813] ioctl(4, LOOP_SET_FD, 3 [pid 5070] close(3 [pid 7817] <... chdir resumed>) = 0 [pid 7817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7817] setpgid(0, 0) = 0 [pid 7817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7817] write(3, "1000", 4) = 4 [pid 7817] close(3) = 0 [pid 7817] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7813] <... ioctl resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 7817] memfd_create("syzkaller", 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7817] <... memfd_create resumed>) = 3 [pid 7817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7818 [pid 7813] close(3) = 0 [pid 7813] mkdir("./file0", 0777) = 0 ./strace-static-x86_64: Process 7818 attached [pid 7813] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7818] chdir("./226") = 0 [pid 7818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7818] setpgid(0, 0) = 0 [ 292.128670][ T7813] loop3: detected capacity change from 0 to 8192 [pid 7818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7818] write(3, "1000", 4) = 4 [pid 7818] close(3) = 0 [pid 7818] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7818] memfd_create("syzkaller", 0) = 3 [pid 7818] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7816] 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"..., 4194304 [pid 7818] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7817] 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"..., 4194304 [pid 7814] <... write resumed>) = 4194304 [pid 7814] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7814] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 292.177903][ T7813] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.207270][ T7813] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 7814] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7814] close(3) = 0 [pid 7814] mkdir("./file0", 0777) = 0 [ 292.224309][ T7814] loop0: detected capacity change from 0 to 8192 [ 292.237285][ T7813] REISERFS (device loop3): using ordered data mode [ 292.245746][ T7813] reiserfs: using flush barriers [ 292.255861][ T7813] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7814] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7817] <... write resumed>) = 4194304 [pid 7817] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7816] <... write resumed>) = 4194304 [pid 7815] <... write resumed>) = 4194304 [pid 7815] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7815] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7817] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7815] <... openat resumed>) = 4 [pid 7815] ioctl(4, LOOP_SET_FD, 3 [ 292.278126][ T7813] REISERFS (device loop3): checking transaction log (loop3) [ 292.298266][ T7814] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.310458][ T7813] REISERFS (device loop3): Using r5 hash to sort names [ 292.319458][ T7815] loop4: detected capacity change from 0 to 8192 [pid 7816] munmap(0x7f8a1b2e3000, 4194304 [pid 7817] <... openat resumed>) = 4 [pid 7816] <... munmap resumed>) = 0 [pid 7815] <... ioctl resumed>) = 0 [pid 7818] 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"..., 4194304 [pid 7815] close(3) = 0 [pid 7815] mkdir("./file0", 0777) = 0 [pid 7815] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7817] ioctl(4, LOOP_SET_FD, 3 [pid 7816] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7816] ioctl(4, LOOP_SET_FD, 3 [pid 7817] <... ioctl resumed>) = 0 [pid 7816] <... ioctl resumed>) = 0 [pid 7817] close(3 [pid 7816] close(3 [pid 7817] <... close resumed>) = 0 [pid 7816] <... close resumed>) = 0 [pid 7817] mkdir("./file0", 0777 [ 292.320935][ T7813] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 292.340200][ T7817] loop5: detected capacity change from 0 to 8192 [ 292.347520][ T7816] loop2: detected capacity change from 0 to 8192 [ 292.354204][ T7814] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 7816] mkdir("./file0", 0777 [pid 7818] <... write resumed>) = 4194304 [pid 7817] <... mkdir resumed>) = 0 [pid 7816] <... mkdir resumed>) = 0 [pid 7817] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7818] munmap(0x7f8a1b2e3000, 4194304 [ 292.367060][ T7815] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.379267][ T7814] REISERFS (device loop0): reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.380010][ T7814] reiserfs: using flush barriers [ 292.381520][ T7813] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 292.393755][ T7815] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 292.399219][ T7817] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7816] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7818] <... munmap resumed>) = 0 [pid 7818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7813] <... mount resumed>) = 0 [pid 7813] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7813] chdir("./file0") = 0 [pid 7813] ioctl(4, LOOP_CLR_FD) = 0 [ 292.407808][ T7814] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 292.445085][ T7816] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.458772][ T7815] REISERFS (device loop4): using ordered data mode [ 292.465291][ T7815] reiserfs: using flush barriers [ 292.467613][ T7817] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 7813] close(4 [pid 7818] ioctl(4, LOOP_SET_FD, 3 [pid 7813] <... close resumed>) = 0 [pid 7818] <... ioctl resumed>) = 0 [pid 7813] mkdir(NULL, 000 [pid 7818] close(3 [pid 7813] <... mkdir resumed>) = -1 EFAULT (Bad address) [ 292.479368][ T7816] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 292.479438][ T7816] REISERFS (device loop2): using ordered data mode [ 292.488720][ T7818] loop1: detected capacity change from 0 to 8192 [ 292.501846][ T7815] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 292.502464][ T7817] REISERFS (device loop5): using ordered data mode [pid 7818] <... close resumed>) = 0 [pid 7818] mkdir("./file0", 0777 [pid 7813] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7818] <... mkdir resumed>) = 0 [pid 7813] <... openat resumed>) = 4 [pid 7813] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7818] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 7813] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7813] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [ 292.528792][ T7817] reiserfs: using flush barriers [ 292.530491][ T7816] reiserfs: using flush barriers [ 292.535792][ T7814] REISERFS (device loop0): checking transaction log (loop0) [ 292.540750][ T7816] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 292.546625][ T7817] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7813] exit_group(0) = ? [pid 7813] +++ exited with 0 +++ [ 292.564626][ T7815] REISERFS (device loop4): checking transaction log (loop4) [ 292.579209][ T7817] REISERFS (device loop5): checking transaction log (loop5) [ 292.587136][ T7818] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.595361][ T7816] REISERFS (device loop2): checking transaction log (loop2) [ 292.606373][ T7818] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 292.614931][ T7817] REISERFS (device loop5): Using r5 hash to sort names [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7813, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5072] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./227/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./227/binderfs") = 0 [ 292.622682][ T7818] REISERFS (device loop1): using ordered data mode [ 292.635960][ T7818] reiserfs: using flush barriers [ 292.642724][ T7818] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 292.659718][ T7818] REISERFS (device loop1): checking transaction log (loop1) [ 292.669354][ T7818] REISERFS (device loop1): Using r5 hash to sort names [ 292.669519][ T7815] REISERFS (device loop4): Using r5 hash to sort names [ 292.676447][ T7817] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 292.683354][ T7814] REISERFS (device loop0): Using r5 hash to sort names [ 292.695927][ T7818] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 292.696009][ T7818] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5072] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7817] <... mount resumed>) = 0 [ 292.717090][ T7815] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 292.725212][ T7816] REISERFS (device loop2): Using r5 hash to sort names [ 292.744122][ T7817] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 292.753817][ T7816] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 7817] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7817] chdir("./file0") = 0 [pid 7818] <... mount resumed>) = 0 [pid 7817] ioctl(4, LOOP_CLR_FD [pid 7818] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7817] <... ioctl resumed>) = 0 [pid 7818] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./227/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./227/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7818] chdir("./file0" [pid 7817] close(4 [pid 7816] <... mount resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, [pid 7818] <... chdir resumed>) = 0 [pid 7816] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7817] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7818] ioctl(4, LOOP_CLR_FD [pid 7817] mkdir(NULL, 000 [pid 7816] <... openat resumed>) = 3 [pid 5072] close(4 [pid 7818] <... ioctl resumed>) = 0 [pid 7817] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7816] chdir("./file0" [pid 7814] <... mount resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5072] rmdir("./227/file0" [pid 7818] close(4 [pid 7817] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7816] <... chdir resumed>) = 0 [pid 7814] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... rmdir resumed>) = 0 [pid 7818] <... close resumed>) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./227") = 0 [pid 5072] mkdir("./228", 0777) = 0 [ 292.781921][ T7814] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 292.796414][ T7816] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 292.806835][ T7814] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 292.813150][ T7815] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7825 ./strace-static-x86_64: Process 7825 attached [pid 7825] chdir("./228") = 0 [pid 7814] <... openat resumed>) = 3 [pid 7825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7818] mkdir(NULL, 000 [pid 7816] ioctl(4, LOOP_CLR_FD [pid 7814] chdir("./file0" [pid 7825] <... prctl resumed>) = 0 [pid 7818] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7816] <... ioctl resumed>) = 0 [pid 7814] <... chdir resumed>) = 0 [pid 7825] setpgid(0, 0 [pid 7818] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7816] close(4 [pid 7815] <... mount resumed>) = 0 [pid 7814] ioctl(4, LOOP_CLR_FD [pid 7825] <... setpgid resumed>) = 0 [pid 7818] <... openat resumed>) = 4 [pid 7816] <... close resumed>) = 0 [pid 7815] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7814] <... ioctl resumed>) = 0 [pid 7825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7818] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7816] mkdir(NULL, 000 [pid 7815] <... openat resumed>) = 3 [pid 7814] close(4 [pid 7825] <... openat resumed>) = 3 [pid 7818] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7816] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7815] chdir("./file0" [pid 7814] <... close resumed>) = 0 [pid 7825] write(3, "1000", 4 [pid 7818] mount(NULL, "./bus", NULL, 0, NULL [pid 7816] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7815] <... chdir resumed>) = 0 [pid 7814] mkdir(NULL, 000 [ 292.846587][ T7817] ------------[ cut here ]------------ [ 292.853085][ T7817] kernel BUG at fs/reiserfs/journal.c:3039! [ 292.879786][ T7817] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 292.885878][ T7817] CPU: 0 PID: 7817 Comm: syz-executor337 Not tainted 6.2.0-rc3-syzkaller-00030-ge8f60cd7db24 #0 [pid 7825] <... write resumed>) = 4 [pid 7818] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7816] <... openat resumed>) = 4 [pid 7815] ioctl(4, LOOP_CLR_FD [pid 7814] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7818] exit_group(0 [pid 7816] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7815] <... ioctl resumed>) = 0 [pid 7814] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7818] <... exit_group resumed>) = ? [pid 7816] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7815] close(4 [pid 7814] <... openat resumed>) = 4 [pid 7818] +++ exited with 0 +++ [pid 7816] mount(NULL, "./bus", NULL, 0, NULL [pid 7815] <... close resumed>) = 0 [pid 7814] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7816] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7815] mkdir(NULL, 000 [pid 7814] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7816] exit_group(0 [pid 7815] <... mkdir resumed>) = -1 EFAULT (Bad address) [pid 7814] mount(NULL, "./bus", NULL, 0, NULL [pid 7816] <... exit_group resumed>) = ? [pid 7815] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 7814] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 7816] +++ exited with 0 +++ [pid 7815] <... openat resumed>) = 4 [pid 7814] exit_group(0 [pid 7815] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0 [pid 7814] <... exit_group resumed>) = ? [pid 7815] <... fsconfig resumed>) = -1 EINVAL (Invalid argument) [pid 7814] +++ exited with 0 +++ [pid 7815] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7815] exit_group(0) = ? [pid 7815] +++ exited with 0 +++ [ 292.896378][ T7817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 292.906435][ T7817] RIP: 0010:do_journal_begin_r+0x105b/0x1070 [ 292.912524][ T7817] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 22 ff ff ff 48 89 df e8 66 c2 b1 ff e9 15 ff ff ff e8 dc 18 5c ff 0f 0b e8 d5 18 5c ff <0f> 0b e8 0e 8d 81 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 [ 292.932133][ T7817] RSP: 0018:ffffc9000387f5c0 EFLAGS: 00010293 [ 292.938210][ T7817] RAX: ffffffff822fc28b RBX: 000000001100e896 RCX: ffff88801e9f8000 [pid 7825] close(3) = 0 [pid 7825] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7825] memfd_create("syzkaller", 0) = 3 [pid 7825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8a1b2e3000 [pid 7825] 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"..., 4194304 [pid 5073] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7815, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} --- [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7814, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7816, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7818, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5073] umount2("./229", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... restart_syscall resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] fstat(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] getdents64(3, [pid 5071] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5071] fstat(3, [pid 5070] fstat(3, [pid 5069] <... openat resumed>) = 3 [pid 5073] umount2("./229/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] fstat(3, [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(3, [pid 5070] getdents64(3, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] lstat("./229/binderfs", [pid 5071] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5070] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5069] getdents64(3, [pid 5073] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5073] unlink("./229/binderfs" [pid 5071] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... unlink resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] umount2("./229/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./226/binderfs", [pid 5070] lstat("./226/binderfs", [pid 5069] lstat("./222/binderfs", [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./226/binderfs" [pid 5070] unlink("./226/binderfs" [pid 5069] unlink("./222/binderfs" [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5071] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7825] <... write resumed>) = 4194304 [ 292.946187][ T7817] RDX: 0000000000000000 RSI: 000000001100e896 RDI: 0000000000000100 [ 292.954162][ T7817] RBP: ffffc9000387f768 R08: ffffffff822fb362 R09: fffffbfff1d2ccf6 [ 292.962141][ T7817] R10: fffffbfff1d2ccf6 R11: 1ffffffff1d2ccf5 R12: ffff88807de42678 [ 292.970117][ T7817] R13: ffffc90003a63214 R14: dffffc0000000000 R15: 0000000000000100 [ 292.978096][ T7817] FS: 0000555556cad300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 292.987034][ T7817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [pid 7825] munmap(0x7f8a1b2e3000, 4194304) = 0 [pid 7825] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7825] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7825] close(3) = 0 [pid 7825] mkdir("./file0", 0777) = 0 [ 292.993620][ T7817] CR2: 00007f8a2377500a CR3: 0000000021e98000 CR4: 00000000003506f0 [ 293.000914][ T7825] loop3: detected capacity change from 0 to 8192 [ 293.001583][ T7817] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 293.001596][ T7817] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 293.001607][ T7817] Call Trace: [ 293.001612][ T7817] [ 293.001620][ T7817] ? __mutex_lock_common+0x45f/0x26e0 [ 293.011751][ T7825] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 293.015916][ T7817] ? __dquot_initialize+0x202/0xcf0 [ 293.024222][ T7825] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 293.027136][ T7817] ? reiserfs_write_lock+0x77/0xd0 [ 293.027159][ T7817] ? journal_join_abort+0xe0/0xe0 [ 293.027175][ T7817] ? bpf_lsm_inode_init_security+0x5/0x10 [ 293.030523][ T7825] REISERFS (device loop3): using ordered data mode [ 293.035463][ T7817] ? security_old_inode_init_security+0x10b/0x150 [ 293.048771][ T7825] reiserfs: using flush barriers [pid 7825] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "") = 0 [pid 7825] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7825] chdir("./file0") = 0 [pid 7825] ioctl(4, LOOP_CLR_FD) = 0 [pid 7825] close(4) = 0 [pid 7825] mkdir(NULL, 000) = -1 EFAULT (Bad address) [pid 7825] openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 293.053567][ T7817] journal_begin+0x14b/0x350 [ 293.053591][ T7817] reiserfs_create+0x2d1/0x660 [ 293.063822][ T7825] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 293.067755][ T7817] ? reiserfs_lookup+0x490/0x490 [ 293.067783][ T7817] ? inode_permission+0xf5/0x450 [ 293.073387][ T7825] REISERFS (device loop3): checking transaction log (loop3) [ 293.078467][ T7817] ? bpf_lsm_inode_create+0x5/0x10 [pid 7825] fsconfig(-1, FSCONFIG_SET_FLAG, "dirsync", NULL, 0) = -1 EINVAL (Invalid argument) [pid 7825] mount(NULL, "./bus", NULL, 0, NULL) = -1 ENOENT (No such file or directory) [pid 7825] exit_group(0) = ? [pid 7825] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7825, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5072] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5072] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x555556cae620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./228/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./228/binderfs") = 0 [ 293.078491][ T7817] ? security_inode_create+0xdd/0x120 [ 293.085717][ T7825] REISERFS (device loop3): Using r5 hash to sort names [ 293.091360][ T7817] ? reiserfs_lookup+0x490/0x490 [ 293.091383][ T7817] path_openat+0x12ac/0x2dd0 [ 293.096895][ T7825] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 293.100913][ T7817] ? do_filp_open+0x4f0/0x4f0 [ 293.106113][ T7825] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 293.121689][ T7817] do_filp_open+0x264/0x4f0 [ 293.121715][ T7817] ? vfs_tmpfile+0x490/0x490 [ 293.200947][ T7817] ? do_raw_spin_unlock+0x134/0x8a0 [ 293.206167][ T7817] ? _raw_spin_unlock+0x24/0x40 [ 293.211011][ T7817] ? alloc_fd+0x5a7/0x640 [ 293.215362][ T7817] do_sys_openat2+0x124/0x4e0 [ 293.220052][ T7817] ? print_irqtrace_events+0x220/0x220 [ 293.225505][ T7817] ? ptrace_stop+0x74d/0x970 [ 293.230123][ T7817] ? do_sys_open+0x220/0x220 [ 293.234705][ T7817] ? lockdep_hardirqs_on+0x8d/0x130 [ 293.239942][ T7817] ? _raw_spin_unlock_irq+0x2a/0x40 [ 293.245135][ T7817] ? ptrace_notify+0x245/0x340 [ 293.249889][ T7817] __x64_sys_openat+0x243/0x290 [ 293.254740][ T7817] ? __ia32_sys_open+0x270/0x270 [ 293.259658][ T7817] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 293.265624][ T7817] ? syscall_enter_from_user_mode+0x86/0x1d0 [ 293.271589][ T7817] do_syscall_64+0x3d/0xb0 [ 293.276013][ T7817] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 293.281937][ T7817] RIP: 0033:0x7f8a23730a99 [ 293.286353][ T7817] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 293.305945][ T7817] RSP: 002b:00007fffb6ab21c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 293.314345][ T7817] RAX: ffffffffffffffda RBX: 0000000000047186 RCX: 00007f8a23730a99 [ 293.322311][ T7817] RDX: 000000000000275a RSI: 00000000200000c0 RDI: 00000000ffffff9c [ 293.330263][ T7817] RBP: 0000000000000000 R08: 00007fffb6ab21f0 R09: 00007fffb6ab21f0 [ 293.338212][ T7817] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffb6ab21ec [ 293.346165][ T7817] R13: 00007fffb6ab2220 R14: 00007fffb6ab2200 R15: 00000000000000e6 [ 293.354137][ T7817] [ 293.357147][ T7817] Modules linked in: [ 293.361408][ T7817] ---[ end trace 0000000000000000 ]--- [ 293.366902][ T7817] RIP: 0010:do_journal_begin_r+0x105b/0x1070 [ 293.373069][ T7817] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 22 ff ff ff 48 89 df e8 66 c2 b1 ff e9 15 ff ff ff e8 dc 18 5c ff 0f 0b e8 d5 18 5c ff <0f> 0b e8 0e 8d 81 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 [ 293.392756][ T7817] RSP: 0018:ffffc9000387f5c0 EFLAGS: 00010293 [pid 5072] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./222/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 293.399001][ T7817] RAX: ffffffff822fc28b RBX: 000000001100e896 RCX: ffff88801e9f8000 [ 293.407095][ T7817] RDX: 0000000000000000 RSI: 000000001100e896 RDI: 0000000000000100 [ 293.433764][ T7817] RBP: ffffc9000387f768 R08: ffffffff822fb362 R09: fffffbfff1d2ccf6 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./222/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(4, [pid 5072] lstat("./228/file0", [pid 5069] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] rmdir("./222/file0") = 0 [pid 5069] getdents64(3, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] openat(AT_FDCWD, "./228/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] close(3) = 0 [pid 5069] rmdir("./222") = 0 [pid 5069] mkdir("./223", 0777) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] fstat(4, [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] close(3 [pid 5071] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./226/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./226/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] <... umount2 resumed>) = 0 [pid 5071] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./226/file0") = 0 [pid 5071] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./226") = 0 [pid 5071] mkdir("./227", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7827 [pid 5070] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./226/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./226/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... openat resumed>) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./226/file0") = 0 [pid 5070] getdents64(3, 0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./226") = 0 [pid 5069] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7828 [pid 5072] getdents64(4, [pid 5070] mkdir("./227", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5072] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] getdents64(4, 0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 ./strace-static-x86_64: Process 7827 attached [pid 7827] chdir("./227" [pid 5070] <... clone resumed>, child_tidptr=0x555556cad5d0) = 7829 [pid 5072] rmdir("./228/file0" [pid 7827] <... chdir resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 7827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] getdents64(3, [pid 7827] setpgid(0, 0) = 0 [pid 5072] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 5072] close(3 [pid 7827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... close resumed>) = 0 [pid 5072] rmdir("./228" [pid 7827] <... openat resumed>) = 3 [pid 7827] write(3, "1000", 4) = 4 [pid 7827] close(3) = 0 [pid 7827] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... rmdir resumed>) = 0 [pid 5072] mkdir("./229", 0777./strace-static-x86_64: Process 7828 attached [pid 7827] <... symlink resumed>) = 0 [pid 7827] memfd_create("syzkaller", 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7827] <... memfd_create resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 7827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 7827] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5073] <... umount2 resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7830 [pid 7828] chdir("./223"./strace-static-x86_64: Process 7829 attached ) = 0 [pid 7828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] umount2("./229/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7830 attached [pid 7828] <... prctl resumed>) = 0 [pid 7829] chdir("./227") = 0 [pid 7829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7828] setpgid(0, 0 [pid 7829] <... prctl resumed>) = 0 [pid 7828] <... setpgid resumed>) = 0 [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] lstat("./229/file0", [pid 7829] setpgid(0, 0) = 0 [pid 7828] <... openat resumed>) = 3 [pid 7829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7828] write(3, "1000", 4 [pid 5073] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7828] <... write resumed>) = 4 [pid 7828] close(3 [pid 5073] umount2("./229/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7828] <... close resumed>) = 0 [pid 7828] symlink("/dev/binderfs", "./binderfs" [pid 5073] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 293.469703][ T7817] R10: fffffbfff1d2ccf6 R11: 1ffffffff1d2ccf5 R12: ffff88807de42678 [ 293.505360][ T7817] R13: ffffc90003a63214 R14: dffffc0000000000 R15: 0000000000000100 [pid 7830] chdir("./229" [pid 7828] <... symlink resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./229/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7829] <... openat resumed>) = 3 [pid 7829] write(3, "1000", 4) = 4 [pid 7829] close(3) = 0 [pid 7829] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7829] memfd_create("syzkaller", 0) = 3 [pid 7829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... openat resumed>) = 4 [pid 7830] <... chdir resumed>) = 0 [pid 7828] memfd_create("syzkaller", 0 [pid 7829] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] fstat(4, [pid 7830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7828] <... memfd_create resumed>) = 3 [pid 5073] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7830] <... prctl resumed>) = 0 [pid 7828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] getdents64(4, [pid 7830] setpgid(0, 0 [pid 7828] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 7830] <... setpgid resumed>) = 0 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 2 entries */, 32768) = 48 [pid 7830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] getdents64(4, [pid 7830] <... openat resumed>) = 3 [pid 5073] <... getdents64 resumed>0x555556cb6660 /* 0 entries */, 32768) = 0 [pid 7830] write(3, "1000", 4 [pid 5073] close(4 [pid 7830] <... write resumed>) = 4 [pid 7830] close(3 [pid 5073] <... close resumed>) = 0 [pid 7830] <... close resumed>) = 0 [pid 5073] rmdir("./229/file0" [pid 7830] symlink("/dev/binderfs", "./binderfs" [pid 5073] <... rmdir resumed>) = 0 [pid 7830] <... symlink resumed>) = 0 [pid 5073] getdents64(3, [pid 7830] memfd_create("syzkaller", 0) = 3 [pid 5073] <... getdents64 resumed>0x555556cae620 /* 0 entries */, 32768) = 0 [pid 7830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] close(3 [pid 7830] <... mmap resumed>) = 0x7f8a1b2e3000 [pid 5073] <... close resumed>) = 0 [pid 5073] rmdir("./229") = 0 [pid 5073] mkdir("./230", 0777) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5073] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5073] close(3) = 0 [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556cad5d0) = 7831 ./strace-static-x86_64: Process 7831 attached [pid 7831] chdir("./230") = 0 [pid 7831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7831] setpgid(0, 0) = 0 [pid 7831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7831] write(3, "1000", 4) = 4 [pid 7831] close(3) = 0 [pid 7831] symlink("/dev/binderfs", "./binderfs") = 0 [ 293.529361][ T7817] FS: 0000555556cad300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 293.539546][ T7817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 293.547255][ T7817] CR2: 00007f8a236ee1e8 CR3: 0000000021e98000 CR4: 00000000003506e0 [ 293.555646][ T7817] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 293.564019][ T7817] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 293.608371][ T7817] Kernel panic - not syncing: Fatal exception [ 293.614601][ T7817] Kernel Offset: disabled [ 293.618920][ T7817] Rebooting in 86400 seconds..