IPv6: ADDRCONF(NETDEV_CHANGE): gre0: link becomes ready BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (21222) IPv6: ADDRCONF(NETDEV_CHANGE): gretap0: link becomes ready ====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted IPv6: ADDRCONF(NETDEV_CHANGE): erspan0: link becomes ready ------------------------------------------------------ syz-executor.2/21156 is trying to acquire lock: 000000007b38d302 (&fs_info->qgroup_ioctl_lock){+.+.}, at: btrfs_qgroup_inherit+0xde/0x1c60 fs/btrfs/qgroup.c:2284 IPv6: ADDRCONF(NETDEV_CHANGE): ip_vti0: link becomes ready but task is already holding lock: 0000000019e8ec77 (sb_internal#3){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] 0000000019e8ec77 (sb_internal#3){.+.+}, at: start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528 IPv6: ADDRCONF(NETDEV_CHANGE): ip6_vti0: link becomes ready which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (sb_internal#3){.+.+}: sb_start_intwrite include/linux/fs.h:1626 [inline] start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528 btrfs_quota_enable+0x169/0x10b0 fs/btrfs/qgroup.c:905 btrfs_ioctl_quota_ctl fs/btrfs/ioctl.c:5233 [inline] btrfs_ioctl+0x622c/0x76d0 fs/btrfs/ioctl.c:6021 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 -> #0 (&fs_info->qgroup_ioctl_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 btrfs_qgroup_inherit+0xde/0x1c60 fs/btrfs/qgroup.c:2284 create_subvol+0x3aa/0x1850 fs/btrfs/ioctl.c:617 btrfs_mksubvol+0xe1d/0x1160 fs/btrfs/ioctl.c:1007 btrfs_ioctl_snap_create_transid+0x2a7/0x430 fs/btrfs/ioctl.c:1771 btrfs_ioctl_snap_create_v2+0x2db/0x5d0 fs/btrfs/ioctl.c:1885 btrfs_ioctl+0x26f6/0x76d0 fs/btrfs/ioctl.c:5934 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 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sb_internal#3); lock(&fs_info->qgroup_ioctl_lock); lock(sb_internal#3); lock(&fs_info->qgroup_ioctl_lock); *** DEADLOCK *** 4 locks held by syz-executor.2/21156: #0: 00000000e3d6e10a (sb_writers#23){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000e3d6e10a (sb_writers#23){.+.+}, at: mnt_want_write_file+0x63/0x1d0 fs/namespace.c:418 #1: 000000000a1bda4c (&type->i_mutex_dir_key#12/1){+.+.}, at: btrfs_mksubvol+0x156/0x1160 fs/btrfs/ioctl.c:975 #2: 0000000016251173 (&fs_info->subvol_sem){++++}, at: btrfs_mksubvol+0x35b/0x1160 fs/btrfs/ioctl.c:998 #3: 0000000019e8ec77 (sb_internal#3){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] #3: 0000000019e8ec77 (sb_internal#3){.+.+}, at: start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528 stack backtrace: CPU: 0 PID: 21156 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 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 btrfs_qgroup_inherit+0xde/0x1c60 fs/btrfs/qgroup.c:2284 create_subvol+0x3aa/0x1850 fs/btrfs/ioctl.c:617 btrfs_mksubvol+0xe1d/0x1160 fs/btrfs/ioctl.c:1007 btrfs_ioctl_snap_create_transid+0x2a7/0x430 fs/btrfs/ioctl.c:1771 btrfs_ioctl_snap_create_v2+0x2db/0x5d0 fs/btrfs/ioctl.c:1885 btrfs_ioctl+0x26f6/0x76d0 fs/btrfs/ioctl.c:5934 BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (21215) 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: 0033:0x7effe08300c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007effdeda2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007effe094ff80 RCX: 00007effe08300c9 RDX: 0000000020001a80 RSI: 0000000050009418 RDI: 0000000000000004 RBP: 00007effe088bae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffda4a0165f R14: 00007effdeda2300 R15: 0000000000022000 IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready EXT4-fs (loop3): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop3): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop3): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue IPv6: ADDRCONF(NETDEV_CHANGE): tunl0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): gre0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): gretap0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): erspan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): ip_vti0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): ip6_vti0: link becomes ready netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'. IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready BTRFS info (device loop2): enabling inode map caching IPv6: ADDRCONF(NETDEV_CHANGE): tunl0: link becomes ready BTRFS warning (device loop2): excessive commit interval 622039222 BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor.0 (21276) IPv6: ADDRCONF(NETDEV_CHANGE): gre0: link becomes ready BTRFS info (device loop2): force zlib compression, level 3 IPv6: ADDRCONF(NETDEV_CHANGE): gretap0: link becomes ready BTRFS info (device loop2): using free space tree BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (21330) BTRFS info (device loop2): has skinny extents IPv6: ADDRCONF(NETDEV_CHANGE): erspan0: link becomes ready BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (21348) IPv6: ADDRCONF(NETDEV_CHANGE): ip_vti0: link becomes ready BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (21351) IPv6: ADDRCONF(NETDEV_CHANGE): ip6_vti0: link becomes ready EXT4-fs error (device loop3): ext4_free_inode:283: comm syz-executor.3: reserved or nonexistent inode 3 EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended BTRFS info (device loop0): using free space tree BTRFS info (device loop0): has skinny extents EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor.2 (21402) EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (21454) EXT4-fs (loop3): Unrecognized mount option "" or missing value EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (21431) EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled IPVS: ftp: loaded support on port[0] = 21 EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue BTRFS info (device loop2): using free space tree BTRFS info (device loop2): has skinny extents EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor.0 (21506) BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (21514) EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop3): Unrecognized mount option "" or missing value EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (21572) EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor.0 (21627) BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (21653) EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs (loop2): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop2): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop2): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled BTRFS info (device loop5): using free space tree BTRFS info (device loop5): has skinny extents EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs error (device loop2): ext4_free_inode:283: comm syz-executor.2: reserved or nonexistent inode 3 EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor.3 (21670) EXT4-fs (loop2): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor.0 (21708) EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop2): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (21762) EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs (loop2): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs error (device loop2): ext4_free_inode:283: comm syz-executor.2: reserved or nonexistent inode 3 EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 BTRFS info (device loop2): using free space tree BTRFS info (device loop2): has skinny extents BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (21791) BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (21837) EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled BTRFS info (device loop5): using free space tree BTRFS info (device loop5): has skinny extents EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor.0 (21850) EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor.2 (21899) EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (21932) EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor.0 (21945) BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (21932) EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 BTRFS info (device loop3): using free space tree BTRFS info (device loop3): has skinny extents EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop2): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop2): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop2): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs error (device loop2): ext4_free_inode:283: comm syz-executor.2: reserved or nonexistent inode 3 EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled BTRFS info (device loop5): using free space tree EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended BTRFS info (device loop5): has skinny extents EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop2): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor.0 (22029) EXT4-fs (loop2): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop2): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (22053) EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs error (device loop2): ext4_free_inode:283: comm syz-executor.2: reserved or nonexistent inode 3 EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop2): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop2): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop2): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs error (device loop2): ext4_free_inode:283: comm syz-executor.2: reserved or nonexistent inode 3 BTRFS info (device loop3): using free space tree BTRFS info (device loop3): has skinny extents EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop2): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop2): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop2): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs error (device loop2): ext4_free_inode:283: comm syz-executor.2: reserved or nonexistent inode 3 EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop2): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop2): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop1): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue EXT4-fs (loop2): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor.0 (22159) EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop4): mounted filesystem without journal. Opts: usrjquota=./file0,auto_da_alloc,,errors=continue BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (22162) BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 8 scanned by systemd-udevd (22178) EXT4-fs error (device loop4): ext4_free_inode:283: comm syz-executor.4: reserved or nonexistent inode 3 BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (22203) EXT4-fs error (device loop2): ext4_free_inode:283: comm syz-executor.2: reserved or nonexistent inode 3 EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3 EXT4-fs (loop4): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop1): Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): warning: mounting unchecked fs, running e2fsck is recommended EXT4-fs (loop2): Journaled quota options ignored when QUOTA feature is enabled