./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2312850824
<...>
Warning: Permanently added '10.128.1.240' (ED25519) to the list of known hosts.
execve("./syz-executor2312850824", ["./syz-executor2312850824"], 0x7ffd50a4da90 /* 10 vars */) = 0
brk(NULL) = 0x5555738f7000
brk(0x5555738f7d00) = 0x5555738f7d00
arch_prctl(ARCH_SET_FS, 0x5555738f7380) = 0
set_tid_address(0x5555738f7650) = 291
set_robust_list(0x5555738f7660, 24) = 0
rseq(0x5555738f7ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2312850824", 4096) = 28
getrandom("\xe5\xbb\x4c\x61\xaf\xc9\x7b\xdc", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555738f7d00
brk(0x555573918d00) = 0x555573918d00
brk(0x555573919000) = 0x555573919000
mprotect(0x7fd6dce46000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
mkdir("./syzkaller.51ylra", 0700) = 0
chmod("./syzkaller.51ylra", 0777) = 0
chdir("./syzkaller.51ylra") = 0
mkdir("./0", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555738f7650) = 292
executing program
./strace-static-x86_64: Process 292 attached
[pid 292] set_robust_list(0x5555738f7660, 24) = 0
[pid 292] chdir("./0") = 0
[pid 292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 292] setpgid(0, 0) = 0
[pid 292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 292] write(3, "1000", 4) = 4
[pid 292] close(3) = 0
[pid 292] symlink("/dev/binderfs", "./binderfs") = 0
[pid 292] write(1, "executing program\n", 18) = 18
[pid 292] memfd_create("syzkaller", 0) = 3
[pid 292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd6d4993000
[ 30.380536][ T24] audit: type=1400 audit(1726576950.999:66): avc: denied { execmem } for pid=291 comm="syz-executor231" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 30.402158][ T24] audit: type=1400 audit(1726576950.999:67): avc: denied { read write } for pid=291 comm="syz-executor231" name="loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid 292] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 292] munmap(0x7fd6d4993000, 138412032) = 0
[pid 292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 292] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 292] close(3) = 0
[pid 292] close(4) = 0
[pid 292] mkdir("./file0", 0777) = 0
[ 30.428055][ T24] audit: type=1400 audit(1726576950.999:68): avc: denied { open } for pid=291 comm="syz-executor231" path="/dev/loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 30.453800][ T24] audit: type=1400 audit(1726576950.999:69): avc: denied { ioctl } for pid=291 comm="syz-executor231" path="/dev/loop0" dev="devtmpfs" ino=111 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 30.480940][ T24] audit: type=1400 audit(1726576951.099:70): avc: denied { mounton } for pid=292 comm="syz-executor231" path="/root/syzkaller.51ylra/0/file0" dev="sda1" ino=1930 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 30.506473][ T292] EXT4-fs (loop0): Ignoring removed mblk_io_submit option
[ 30.518040][ T292] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor231: inode #1: comm syz-executor231: iget: illegal inode #
[ 30.532443][ T292] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor231: error while reading EA inode 1 err=-117
[ 30.545995][ T292] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2806: Unable to expand inode 15. Delete some EAs or run e2fsck.
[ 30.559349][ T292] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor231: inode #1: comm syz-executor231: iget: illegal inode #
[pid 292] mount("/dev/loop0", "./file0", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,journal_dev=0x0000000000008000,debug_want_extra_isize=0x0000000000"...) = 0
[pid 292] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 292] chdir("./file0") = 0
[pid 292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 292] ioctl(4, LOOP_CLR_FD) = 0
[ 30.573530][ T292] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor231: error while reading EA inode 1 err=-117
[ 30.586921][ T292] EXT4-fs (loop0): 1 orphan inode deleted
[ 30.592685][ T292] EXT4-fs (loop0): mounted filesystem without journal. Opts: journal_ioprio=0x0000000000000005,journal_dev=0x0000000000008000,debug_want_extra_isize=0x000000000000005c,minixdf,resgid=0x0000000000000000,nombcache,mblk_io_submit,,errors=continue
[pid 292] close(4) = 0
[pid 292] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid 292] exit_group(0) = ?
[pid 292] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=0, si_stime=11} ---
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x5555738f86f0 /* 4 entries */, 32768) = 112
umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs") = 0
umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[ 30.617421][ T24] audit: type=1400 audit(1726576951.239:71): avc: denied { mount } for pid=292 comm="syz-executor231" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 30.643575][ T24] audit: type=1400 audit(1726576951.269:72): avc: denied { mounton } for pid=292 comm="syz-executor231" path="/root/syzkaller.51ylra/0/file0/file0" dev="loop0" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555573900730 /* 5 entries */, 32768) = 144
umount2("./0/file0/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/file0/lost+found", {st_mode=S_IFBLK|S_ISVTX|0614, st_rdev=makedev(0, 0xe), ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/file0/lost+found") = 0
umount2("./0/file0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/file0/file1", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/file0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0/file0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0
getdents64(5, 0x555573908770 /* 2 entries */, 32768) = 48
getdents64(5, 0x555573908770 /* 0 entries */, 32768) = 0
close(5) = 0
rmdir("./0/file0/file1") = 0
[ 30.669278][ T24] audit: type=1400 audit(1726576951.269:73): avc: denied { write } for pid=292 comm="syz-executor231" name="file0" dev="loop0" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 30.677049][ T291] EXT4-fs error (device loop0): htree_dirblock_to_tree:1092: inode #2: block 13: comm syz-executor231: bad entry in directory: rec_len is smaller than minimal - offset=76, inode=0, rec_len=0, size=1024 fake=0
[ 30.694682][ T24] audit: type=1400 audit(1726576951.269:74): avc: denied { add_name } for pid=292 comm="syz-executor231" name=".index" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 30.733691][ T291] ------------[ cut here ]------------
[ 30.734708][ T24] audit: type=1400 audit(1726576951.269:75): avc: denied { create } for pid=292 comm="syz-executor231" name=".index" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=dir permissive=1
[ 30.739190][ T291] kernel BUG at fs/namei.c:2786!
[ 30.765391][ T291] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 30.771410][ T291] CPU: 1 PID: 291 Comm: syz-executor231 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
[ 30.781591][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[ 30.791773][ T291] RIP: 0010:may_delete+0x755/0x760
[ 30.796902][ T291] Code: 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c db fd ff ff 4c 89 ef e8 1c 32 f4 ff e9 ce fd ff ff e8 32 98 b6 ff 0f 0b e8 2b 98 b6 ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8
[ 30.816867][ T291] RSP: 0018:ffffc90000b27bb8 EFLAGS: 00010293
[ 30.823033][ T291] RAX: ffffffff81b414b5 RBX: ffff88811c6c27a0 RCX: ffff8881203a8000
[ 30.830920][ T291] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
[ 30.838738][ T291] RBP: ffffc90000b27c38 R08: ffffffff81b40dd3 R09: 0000000000000003
[ 30.846547][ T291] R10: fffff52000164f5c R11: dffffc0000000001 R12: 0000000000000001
[ 30.855698][ T291] R13: ffff88811c6c2990 R14: ffff88811c72a508 R15: dffffc0000000000
[ 30.864075][ T291] FS: 00005555738f7380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 30.872781][ T291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 30.879498][ T291] CR2: 0000555573910778 CR3: 000000011a87c000 CR4: 00000000003506a0
[ 30.887307][ T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 30.895572][ T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 30.903686][ T291] Call Trace:
[ 30.906815][ T291] ? __die_body+0x62/0xb0
[ 30.910974][ T291] ? die+0x88/0xb0
[ 30.914618][ T291] ? do_trap+0x1a4/0x310
[ 30.918713][ T291] ? may_delete+0x755/0x760
[ 30.923053][ T291] ? handle_invalid_op+0x95/0xc0
[ 30.928160][ T291] ? may_delete+0x755/0x760
[ 30.932509][ T291] ? exc_invalid_op+0x32/0x50
[ 30.937098][ T291] ? asm_exc_invalid_op+0x12/0x20
[ 30.941978][ T291] ? may_delete+0x73/0x760
[ 30.946400][ T291] ? may_delete+0x755/0x760
[ 30.950729][ T291] ? may_delete+0x755/0x760
[ 30.955205][ T291] ? may_delete+0x755/0x760
[ 30.959627][ T291] vfs_rmdir+0x2c/0x3f0
[ 30.963617][ T291] incfs_kill_sb+0x108/0x220
[ 30.968034][ T291] deactivate_locked_super+0xad/0x110
[ 30.973263][ T291] deactivate_super+0xbe/0xf0
[ 30.977754][ T291] cleanup_mnt+0x45c/0x510
[ 30.982021][ T291] __cleanup_mnt+0x19/0x20
[ 30.986280][ T291] task_work_run+0x129/0x190
[ 30.990882][ T291] ptrace_notify+0x29e/0x350
[ 30.995598][ T291] ? do_notify_parent+0xa10/0xa10
[ 31.000431][ T291] ? user_path_at_empty+0x40/0x50
[ 31.005288][ T291] ? __x64_sys_umount+0x122/0x170
[ 31.010154][ T291] ? path_umount+0xea0/0xea0
[ 31.014694][ T291] syscall_exit_to_user_mode+0xf5/0x1a0
[ 31.020161][ T291] do_syscall_64+0x40/0x70
[ 31.024429][ T291] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 31.030165][ T291] RIP: 0033:0x7fd6dcdd3507
[ 31.034421][ T291] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[ 31.054267][ T291] RSP: 002b:00007ffe115b62e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 31.062676][ T291] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd6dcdd3507
[ 31.070866][ T291] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe115b63a0
[ 31.078698][ T291] RBP: 00007ffe115b63a0 R08: 0000000000000000 R09: 0000000000000000
[ 31.086518][ T291] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffe115b7490
[ 31.094507][ T291] R13: 0000555573900700 R14: 431bde82d7b634db R15: 00007ffe115b8520
[ 31.102294][ T291] Modules linked in:
[ 31.106298][ T291] ---[ end trace d94c749f72363e64 ]---
[ 31.111762][ T291] RIP: 0010:may_delete+0x755/0x760
[ 31.116893][ T291] Code: 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c db fd ff ff 4c 89 ef e8 1c 32 f4 ff e9 ce fd ff ff e8 32 98 b6 ff 0f 0b e8 2b 98 b6 ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8
[ 31.136675][ T291] RSP: 0018:ffffc90000b27bb8 EFLAGS: 00010293
[ 31.142984][ T291] RAX: ffffffff81b414b5 RBX: ffff88811c6c27a0 RCX: ffff8881203a8000
[ 31.151289][ T291] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
[ 31.159438][ T291] RBP: ffffc90000b27c38 R08: ffffffff81b40dd3 R09: 0000000000000003
[ 31.167309][ T291] R10: fffff52000164f5c R11: dffffc0000000001 R12: 0000000000000001
[ 31.175478][ T291] R13: ffff88811c6c2990 R14: ffff88811c72a508 R15: dffffc0000000000
[ 31.183366][ T291] FS: 00005555738f7380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 31.192128][ T291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 31.198588][ T291] CR2: 0000555573910778 CR3: 000000011a87c000 CR4: 00000000003506a0
[ 31.206532][ T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 31.214430][ T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 31.222244][ T291] Kernel panic - not syncing: Fatal exception
[ 31.228305][ T291] Kernel Offset: disabled
[ 31.232468][ T291] Rebooting in 86400 seconds..