====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.3/20613 is trying to acquire lock: 000000003df693f5 (&ovl_i_mutex_dir_key[depth]){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] 000000003df693f5 (&ovl_i_mutex_dir_key[depth]){++++}, at: lookup_slow fs/namei.c:1688 [inline] 000000003df693f5 (&ovl_i_mutex_dir_key[depth]){++++}, at: walk_component+0x798/0xda0 fs/namei.c:1811 but task is already holding lock: 000000008cabf4fe (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds fs/exec.c:1419 [inline] 000000008cabf4fe (&sig->cred_guard_mutex){+.+.}, at: __do_execve_file+0x38c/0x2360 fs/exec.c:1762 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&sig->cred_guard_mutex){+.+.}: do_io_accounting fs/proc/base.c:2750 [inline] proc_tgid_io_accounting+0x1cf/0x7f0 fs/proc/base.c:2799 proc_single_show+0xeb/0x170 fs/proc/base.c:755 seq_read+0x4e0/0x11c0 fs/seq_file.c:232 __vfs_read+0xf7/0x750 fs/read_write.c:416 vfs_read+0x194/0x3c0 fs/read_write.c:452 ksys_read+0x12b/0x2a0 fs/read_write.c:579 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #2 (&p->lock){+.+.}: seq_read+0x6b/0x11c0 fs/seq_file.c:164 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x471/0x630 fs/read_write.c:925 vfs_readv+0xe5/0x150 fs/read_write.c:987 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x457/0xa00 fs/splice.c:417 do_splice_to+0x10e/0x160 fs/splice.c:881 splice_direct_to_actor+0x2b9/0x8d0 fs/splice.c:959 do_splice_direct+0x1a7/0x270 fs/splice.c:1068 do_sendfile+0x550/0xc30 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64+0x147/0x160 fs/read_write.c:1494 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (sb_writers#3){.+.+}: sb_start_write include/linux/fs.h:1579 [inline] mnt_want_write+0x3a/0xb0 fs/namespace.c:360 ovl_xattr_set+0x53/0x600 fs/overlayfs/inode.c:338 __vfs_setxattr+0x10e/0x170 fs/xattr.c:149 __vfs_setxattr_noperm+0x11a/0x420 fs/xattr.c:180 __vfs_setxattr_locked+0x176/0x250 fs/xattr.c:238 vfs_setxattr+0xe5/0x270 fs/xattr.c:255 setxattr+0x23d/0x330 fs/xattr.c:520 path_setxattr+0x170/0x190 fs/xattr.c:539 __do_sys_lsetxattr fs/xattr.c:561 [inline] __se_sys_lsetxattr fs/xattr.c:557 [inline] __x64_sys_lsetxattr+0xbd/0x150 fs/xattr.c:557 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&ovl_i_mutex_dir_key[depth]){++++}: down_read+0x36/0x80 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:758 [inline] lookup_slow fs/namei.c:1688 [inline] walk_component+0x798/0xda0 fs/namei.c:1811 link_path_walk.part.0+0x901/0x1230 fs/namei.c:2142 link_path_walk fs/namei.c:2073 [inline] path_openat+0x1db/0x2df0 fs/namei.c:3536 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_open_execat+0x11d/0x5b0 fs/exec.c:853 __do_execve_file+0x1a8b/0x2360 fs/exec.c:1770 do_execveat_common fs/exec.c:1879 [inline] do_execve+0x35/0x50 fs/exec.c:1896 __do_sys_execve fs/exec.c:1977 [inline] __se_sys_execve fs/exec.c:1972 [inline] __x64_sys_execve+0x7c/0xa0 fs/exec.c:1972 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &ovl_i_mutex_dir_key[depth] --> &p->lock --> &sig->cred_guard_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sig->cred_guard_mutex); lock(&p->lock); lock(&sig->cred_guard_mutex); lock(&ovl_i_mutex_dir_key[depth]); *** DEADLOCK *** 1 lock held by syz-executor.3/20613: #0: 000000008cabf4fe (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds fs/exec.c:1419 [inline] #0: 000000008cabf4fe (&sig->cred_guard_mutex){+.+.}, at: __do_execve_file+0x38c/0x2360 fs/exec.c:1762 stack backtrace: CPU: 1 PID: 20613 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2420 [inline] __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 down_read+0x36/0x80 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:758 [inline] lookup_slow fs/namei.c:1688 [inline] walk_component+0x798/0xda0 fs/namei.c:1811 link_path_walk.part.0+0x901/0x1230 fs/namei.c:2142 link_path_walk fs/namei.c:2073 [inline] path_openat+0x1db/0x2df0 fs/namei.c:3536 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_open_execat+0x11d/0x5b0 fs/exec.c:853 __do_execve_file+0x1a8b/0x2360 fs/exec.c:1770 do_execveat_common fs/exec.c:1879 [inline] do_execve+0x35/0x50 fs/exec.c:1896 __do_sys_execve fs/exec.c:1977 [inline] __se_sys_execve fs/exec.c:1972 [inline] __x64_sys_execve+0x7c/0xa0 fs/exec.c:1972 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f3811229049 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f380fb7d168 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00007f381133c030 RCX: 00007f3811229049 RDX: 0000000020000980 RSI: 0000000020000800 RDI: 0000000020000340 RBP: 00007f381128308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe30b3771f R14: 00007f380fb7d300 R15: 0000000000022000 overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "roo Qw=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "roo Qw=sysadm_u" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: failed to clone lowerpath overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. Bluetooth: hci1: command 0x0406 tx timeout overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: failed to resolve './file1': -2 overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: missing 'lowerdir' overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: missing 'lowerdir' overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: failed to clone lowerpath audit: type=1804 audit(1647722056.845:1048): pid=20873 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir1351696411/syzkaller.Ed05QD/912/bus/file0" dev="sda1" ino=14050 res=1 overlayfs: missing 'lowerdir' overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: './file0' not a directory overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdirw!MzB:<$3-Z:hZIFqf]0وDd9{lj}Gָ% P0QbW)O7H+t8̸kjyc& ݼ*XAS_F'z[U vM /~p(" or missing value overlayfs: unrecognized mount option "rootcontext=user_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "4ŦZWW>)O7H+t8̸kjyc& ݼ*XAS_F'z[U vM /~p(" or missing value overlayfs: unrecognized mount option "rootcontext=user_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: failed to resolve './file0': -2 overlayfs: failed to resolve './file0': -2 overlayfs: failed to resolve './file0': -2 overlayfs: failed to resolve './file0': -2 audit: type=1804 audit(1647722060.125:1050): pid=21392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir1351696411/syzkaller.Ed05QD/955/bus/file0" dev="sda1" ino=14170 res=1 audit: type=1804 audit(1647722060.125:1051): pid=21392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir1351696411/syzkaller.Ed05QD/955/bus/file0" dev="sda1" ino=14170 res=1 audit: type=1804 audit(1647722060.125:1052): pid=21392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir1351696411/syzkaller.Ed05QD/955/bus/file0" dev="sda1" ino=14170 res=1 audit: type=1804 audit(1647722060.125:1053): pid=21392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir1351696411/syzkaller.Ed05QD/955/bus/file0" dev="sda1" ino=14170 res=1 audit: type=1804 audit(1647722060.125:1054): pid=21392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir1351696411/syzkaller.Ed05QD/955/bus/file0" dev="sda1" ino=14170 res=1 audit: type=1804 audit(1647722060.125:1055): pid=21392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir1351696411/syzkaller.Ed05QD/955/bus/file0" dev="sda1" ino=14170 res=1 audit: type=1804 audit(1647722060.125:1056): pid=21392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir1351696411/syzkaller.Ed05QD/955/bus/file0" dev="sda1" ino=14170 res=1 audit: type=1804 audit(1647722060.125:1057): pid=21392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir1351696411/syzkaller.Ed05QD/955/bus/file0" dev="sda1" ino=14170 res=1 overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "obj_user=+!-" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: failed to resolve './file1': -2 overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: missing 'lowerdir' overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: missing 'lowerdir' overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: missing 'lowerdir' overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontextysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontextysadm_u" or missing value overlayfs: failed to clone lowerpath overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: failed to resolve './file1': -2 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: filesystem on './bus' not supported as upperdir overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: failed to resolve './file1': -2 kauditd_printk_skb: 25 callbacks suppressed audit: type=1804 audit(1647722062.885:1083): pid=21726 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir1351696411/syzkaller.Ed05QD/988/bus/file0" dev="sda1" ino=13841 res=1 overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowerdir" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "rootcontext=sysadm_u" or missing value overlayfs: unrecognized mount option "lowgrdir>>r]̥VIcCow'AAp8QңQ!qeU 2r"wJ>r]̥VIcCow'AAp8QңQ!qeU 2r"wJ>r]̥VIcCow'AAp8QңQ!qeU 2r"wJ