BTRFS warning (device loop5): loop5 checksum verify failed on 5308416 wanted 77626DAF found A8175240 level 0
======================================================
WARNING: possible circular locking dependency detected
4.19.211-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.3/10516 is trying to acquire lock:
BTRFS warning (device loop5): failed to read root (objectid=4): -5
000000005f188292 (&sig->cred_guard_mutex){+.+.}, at: lock_trace fs/proc/base.c:402 [inline]
000000005f188292 (&sig->cred_guard_mutex){+.+.}, at: proc_pid_syscall+0xb8/0x2f0 fs/proc/base.c:635
but task is already holding lock:
000000007904e07c (&p->lock){+.+.}, at: seq_read+0x6b/0x11c0 fs/seq_file.c:164
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&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
usb usb9: usbfs: process 10523 (syz-executor.4) did not claim interface 0 before use
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
-> #3 (sb_writers#3){.+.+}:
sb_start_write include/linux/fs.h:1579 [inline]
mnt_want_write+0x3a/0xb0 fs/namespace.c:360
ovl_create_object+0x96/0x290 fs/overlayfs/dir.c:602
lookup_open+0x893/0x1a20 fs/namei.c:3235
do_last fs/namei.c:3327 [inline]
path_openat+0x1094/0x2df0 fs/namei.c:3537
do_filp_open+0x18c/0x3f0 fs/namei.c:3567
do_sys_open+0x3b3/0x520 fs/open.c:1085
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #2 (&ovl_i_mutex_dir_key[depth]){++++}:
inode_lock_shared include/linux/fs.h:758 [inline]
lookup_slow fs/namei.c:1688 [inline]
lookup_one_len_unlocked+0x111/0x140 fs/namei.c:2573
ovl_lookup_single+0x60/0x920 fs/overlayfs/namei.c:206
ovl_lookup_layer+0x3bd/0x440 fs/overlayfs/namei.c:292
ovl_lookup+0x729/0x1a00 fs/overlayfs/namei.c:903
__lookup_slow+0x246/0x4a0 fs/namei.c:1672
lookup_slow fs/namei.c:1689 [inline]
walk_component+0x7ac/0xda0 fs/namei.c:1811
lookup_last fs/namei.c:2274 [inline]
path_lookupat+0x1ff/0x8d0 fs/namei.c:2319
filename_lookup+0x1ac/0x5a0 fs/namei.c:2349
user_path_at include/linux/namei.h:57 [inline]
vfs_statx+0x113/0x210 fs/stat.c:185
vfs_stat include/linux/fs.h:3132 [inline]
__do_sys_newstat fs/stat.c:337 [inline]
__se_sys_newstat+0x96/0x120 fs/stat.c:333
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #1 (&ovl_i_mutex_dir_key[depth]#2){++++}:
inode_lock_shared include/linux/fs.h:758 [inline]
do_last fs/namei.c:3326 [inline]
path_openat+0x17ec/0x2df0 fs/namei.c:3537
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
-> #0 (&sig->cred_guard_mutex){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:937 [inline]
__mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078
lock_trace fs/proc/base.c:402 [inline]
proc_pid_syscall+0xb8/0x2f0 fs/proc/base.c:635
proc_single_show+0xeb/0x170 fs/proc/base.c:755
traverse.part.0+0xcf/0x5f0 fs/seq_file.c:116
traverse fs/seq_file.c:106 [inline]
seq_read+0x99d/0x11c0 fs/seq_file.c:191
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
do_preadv fs/read_write.c:1071 [inline]
__do_sys_preadv fs/read_write.c:1121 [inline]
__se_sys_preadv fs/read_write.c:1116 [inline]
__x64_sys_preadv+0x22b/0x310 fs/read_write.c:1116
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:
&sig->cred_guard_mutex --> sb_writers#3 --> &p->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&p->lock);
lock(sb_writers#3);
lock(&p->lock);
lock(&sig->cred_guard_mutex);
*** DEADLOCK ***
1 lock held by syz-executor.3/10516:
#0: 000000007904e07c (&p->lock){+.+.}, at: seq_read+0x6b/0x11c0 fs/seq_file.c:164
stack backtrace:
CPU: 1 PID: 10516 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
__mutex_lock_common kernel/locking/mutex.c:937 [inline]
__mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078
lock_trace fs/proc/base.c:402 [inline]
proc_pid_syscall+0xb8/0x2f0 fs/proc/base.c:635
proc_single_show+0xeb/0x170 fs/proc/base.c:755
traverse.part.0+0xcf/0x5f0 fs/seq_file.c:116
traverse fs/seq_file.c:106 [inline]
seq_read+0x99d/0x11c0 fs/seq_file.c:191
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
do_preadv fs/read_write.c:1071 [inline]
__do_sys_preadv fs/read_write.c:1121 [inline]
__se_sys_preadv fs/read_write.c:1116 [inline]
__x64_sys_preadv+0x22b/0x310 fs/read_write.c:1116
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fee43767049
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:00007fee420dc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007fee43879f60 RCX: 00007fee43767049
RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 00007fee437c108d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffec596b73f R14: 00007fee420dc300 R15: 0000000000022000
BTRFS error (device loop5): open_ctree failed
netlink: 'syz-executor.2': attribute type 4 has an invalid length.
audit: type=1804 audit(1647050370.802:606): pid=10538 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir1096249292/syzkaller.37PheV/200/bus" dev="sda1" ino=14489 res=1
usb usb9: usbfs: process 10541 (syz-executor.4) did not claim interface 0 before use
FAT-fs (loop0): invalid media value (0x00)
FAT-fs (loop0): Can't find a valid FAT filesystem
usb usb9: usbfs: process 10595 (syz-executor.4) did not claim interface 0 before use
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
BTRFS warning (device loop5): loop5 checksum verify failed on 5308416 wanted 77626DAF found A8175240 level 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
FAT-fs (loop0): invalid media value (0x00)
FAT-fs (loop0): Can't find a valid FAT filesystem
usb usb9: usbfs: process 10717 (syz-executor.4) did not claim interface 0 before use
audit: type=1804 audit(1647050371.802:607): pid=10715 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir1096249292/syzkaller.37PheV/201/file1/bus" dev="sda1" ino=14487 res=1
device bond0 entered promiscuous mode
device bond_slave_0 entered promiscuous mode
device bond_slave_1 entered promiscuous mode
usb usb9: usbfs: process 10740 (syz-executor.4) did not claim interface 0 before use
BTRFS warning (device loop5): loop5 checksum verify failed on 5308416 wanted 77626DAF found 24D46416 level 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
usb usb9: usbfs: process 10784 (syz-executor.4) did not claim interface 0 before use
caif:caif_disconnect_client(): nothing to disconnect
BTRFS error (device loop5): open_ctree failed
usb usb9: usbfs: process 10832 (syz-executor.4) did not claim interface 0 before use
BTRFS info (device loop5): disk space caching is enabled
caif:caif_disconnect_client(): nothing to disconnect
BTRFS info (device loop5): has skinny extents
BTRFS warning (device loop5): loop5 checksum verify failed on 5308416 wanted 77626DAF found 24D46416 level 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
usb usb9: usbfs: process 10880 (syz-executor.3) did not claim interface 0 before use
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
usb usb9: usbfs: process 10879 (syz-executor.4) did not claim interface 0 before use
usb usb9: usbfs: process 10928 (syz-executor.4) did not claim interface 0 before use
caif:caif_disconnect_client(): nothing to disconnect
BTRFS warning (device loop5): loop5 checksum verify failed on 5308416 wanted 77626DAF found 24D46416 level 0
usb usb9: usbfs: process 10935 (syz-executor.3) did not claim interface 0 before use
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
usb usb9: usbfs: process 10965 (syz-executor.3) did not claim interface 0 before use
overlayfs: unrecognized mount option "." or missing value
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
overlayfs: './file0' not a directory
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (11017)
overlayfs: unrecognized mount option "." or missing value
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 7 scanned by systemd-udevd (10993)
overlayfs: unrecognized mount option "." or missing value
overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off.
vhci_hcd: invalid port number 129
vhci_hcd: default hub control req: 050d v0000 i0081 l0
BTRFS warning (device loop5): loop5 checksum verify failed on 5308416 wanted 77626DAF found D76EFA26 level 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
overlayfs: unrecognized mount option "." or missing value
vhci_hcd: invalid port number 129
vhci_hcd: invalid port number 129
overlayfs: unrecognized mount option "." or missing value
vhci_hcd: default hub control req: 050d v0000 i0081 l0
vhci_hcd: default hub control req: 050d v0000 i0081 l0
BTRFS info (device loop5): disk space caching is enabled
overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off.
vhci_hcd: invalid port number 129
BTRFS info (device loop5): has skinny extents
vhci_hcd: default hub control req: 050d v0000 i0081 l0
overlayfs: './file0' not a directory
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (11105)
BTRFS warning (device <unknown>): duplicate device /dev/loop0 devid 1 generation 7 scanned by systemd-udevd (11049)
vhci_hcd: invalid port number 129
vhci_hcd: default hub control req: 050d v0000 i0081 l0
vhci_hcd: invalid port number 129
vhci_hcd: default hub control req: 050d v0000 i0081 l0
BTRFS warning (device loop5): loop5 checksum verify failed on 5308416 wanted 77626DAF found D76EFA26 level 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
usb usb9: usbfs: process 11168 (syz-executor.4) did not claim interface 0 before use
BTRFS info (device loop5): disk space caching is enabled
usb usb9: usbfs: process 11190 (syz-executor.4) did not claim interface 0 before use
BTRFS info (device loop5): has skinny extents
BTRFS warning (device loop5): loop5 checksum verify failed on 5308416 wanted 77626DAF found D76EFA26 level 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
usb usb9: usbfs: process 11246 (syz-executor.4) did not claim interface 0 before use
BTRFS info (device loop5): disk space caching is enabled
usb usb9: usbfs: process 11264 (syz-executor.4) did not claim interface 0 before use
BTRFS info (device loop5): has skinny extents
usb usb9: usbfs: process 11288 (syz-executor.4) did not claim interface 0 before use
BTRFS error (device loop5): bad tree block start, want 5308416 have 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
usb usb9: usbfs: process 11344 (syz-executor.4) did not claim interface 0 before use
BTRFS info (device loop5): disk space caching is enabled
XFS (loop0): unknown mount option [ ].
BTRFS info (device loop5): has skinny extents
usb usb9: usbfs: process 11390 (syz-executor.4) did not claim interface 0 before use
BTRFS error (device loop5): bad tree block start, want 5308416 have 0
XFS (loop0): unknown mount option [ ].
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
usb usb9: usbfs: process 11413 (syz-executor.4) did not claim interface 0 before use
XFS (loop0): unknown mount option [ ].
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
BTRFS error (device loop5): bad tree block start, want 5308416 have 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
usb usb9: usbfs: process 11486 (syz-executor.4) did not claim interface 0 before use
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
BTRFS error (device loop5): bad tree block start, want 5308416 have 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
BTRFS error (device loop5): bad tree block start, want 5308416 have 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
BTRFS error (device loop5): bad tree block start, want 5308416 have 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 11653 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
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1590
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
__do_kmalloc mm/slab.c:3725 [inline]
__kmalloc+0x2ab/0x3c0 mm/slab.c:3736
kmalloc include/linux/slab.h:520 [inline]
proc_ioctl+0x1a5/0x630 drivers/usb/core/devio.c:2155
proc_ioctl_default drivers/usb/core/devio.c:2227 [inline]
usbdev_do_ioctl+0x2773/0x3030 drivers/usb/core/devio.c:2541
usbdev_ioctl+0x21/0x30 drivers/usb/core/devio.c:2585
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fee43767049
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:00007fee420dc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fee43879f60 RCX: 00007fee43767049
RDX: 0000000020000000 RSI: 00000000c0105512 RDI: 0000000000000003
RBP: 00007fee420dc1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffec596b73f R14: 00007fee420dc300 R15: 0000000000022000
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
vhci_hcd: invalid port number 129
vhci_hcd: default hub control req: 6007 v0004 i0081 l0
tmpfs: Bad mount option kuge
vhci_hcd: invalid port number 129
vhci_hcd: default hub control req: 6007 v0004 i0081 l0
BTRFS error (device loop5): bad tree block start, want 5308416 have 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
vhci_hcd: invalid port number 129
vhci_hcd: default hub control req: 6007 v0004 i0081 l0
BTRFS error (device loop5): open_ctree failed
vhci_hcd: invalid port number 129
tmpfs: Bad mount option kuge
BTRFS info (device loop5): disk space caching is enabled
vhci_hcd: default hub control req: 6007 v0004 i0081 l0
vhci_hcd: invalid port number 129
BTRFS info (device loop5): has skinny extents
vhci_hcd: default hub control req: 6007 v0004 i0081 l0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
CPU: 0 PID: 11788 Comm: syz-executor.1 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
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1590
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
__do_kmalloc mm/slab.c:3725 [inline]
__kmalloc+0x2ab/0x3c0 mm/slab.c:3736
kmalloc include/linux/slab.h:520 [inline]
proc_ioctl+0x1a5/0x630 drivers/usb/core/devio.c:2155
tmpfs: Bad mount option kuge
proc_ioctl_default drivers/usb/core/devio.c:2227 [inline]
usbdev_do_ioctl+0x2773/0x3030 drivers/usb/core/devio.c:2541
usbdev_ioctl+0x21/0x30 drivers/usb/core/devio.c:2585
tmpfs: Bad mount option kuge
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fca3ca13049
tmpfs: Bad mount option kuge
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:00007fca3b388168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fca3cb25f60 RCX: 00007fca3ca13049
RDX: 0000000020000000 RSI: 00000000c0105512 RDI: 0000000000000003
tmpfs: Bad mount option kuge
RBP: 00007fca3b3881d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff3a594cef R14: 00007fca3b388300 R15: 0000000000022000
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
BTRFS error (device loop5): bad tree block start, want 5308416 have 0
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
BTRFS warning (device loop5): failed to read root (objectid=4): -5
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
BTRFS error (device loop5): open_ctree failed
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
tmpfs: Bad mount option kuge
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
tmpfs: Bad mount option kuge
BTRFS error (device loop5): bad tree block start, want 5308416 have 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
usb usb9: usbfs: process 11936 (syz-executor.4) did not claim interface 0 before use
BTRFS warning (device loop5): loop5 checksum verify failed on 5308416 wanted 77626DAF found CEAC284 level 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
usb usb9: usbfs: process 11969 (syz-executor.4) did not claim interface 0 before use
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
BTRFS warning (device loop5): loop5 checksum verify failed on 5308416 wanted 77626DAF found CEAC284 level 0
BTRFS warning (device loop5): failed to read root (objectid=4): -5
BTRFS error (device loop5): open_ctree failed
vhci_hcd: invalid port number 129
vhci_hcd: default hub control req: 6000 v0100 i0081 l0
BTRFS info (device loop5): disk space caching is enabled
BTRFS info (device loop5): has skinny extents
vhci_hcd: invalid port number 129
vhci_hcd: default hub control req: 6000 v0100 i0081 l0
----------------
Code disassembly (best guess), 1 bytes skipped:
0: ff c3 inc %ebx
2: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
9: 00 00 00
c: 0f 1f 40 00 nopl 0x0(%rax)
10: 48 89 f8 mov %rdi,%rax
13: 48 89 f7 mov %rsi,%rdi
16: 48 89 d6 mov %rdx,%rsi
19: 48 89 ca mov %rcx,%rdx
1c: 4d 89 c2 mov %r8,%r10
1f: 4d 89 c8 mov %r9,%r8
22: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9
27: 0f 05 syscall
* 29: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction
2f: 73 01 jae 0x32
31: c3 retq
32: 48 c7 c1 b8 ff ff ff mov $0xffffffffffffffb8,%rcx
39: f7 d8 neg %eax
3b: 64 89 01 mov %eax,%fs:(%rcx)
3e: 48 rex.W