audit: type=1800 audit(1673582260.448:41): pid=13220 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=14194 res=0 audit: type=1800 audit(1673582260.509:42): pid=13220 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=14194 res=0 audit: type=1804 audit(1673582260.559:43): pid=13147 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir2394901643/syzkaller.0pddD8/64/file0/bus" dev="loop5" ino=18 res=1 ====================================================== audit: type=1804 audit(1673582260.569:44): pid=13147 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir2394901643/syzkaller.0pddD8/64/file0/bus" dev="loop5" ino=18 res=1 WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.0/13115 is trying to acquire lock: 000000004b3de58c (&fs_info->qgroup_ioctl_lock){+.+.}, at: btrfs_qgroup_inherit+0xde/0x1c60 fs/btrfs/qgroup.c:2284 but task is already holding lock: 0000000010afbfda (sb_internal#3){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] 0000000010afbfda (sb_internal#3){.+.+}, at: start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528 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+0x114/0x170 fs/btrfs/ioctl.c:1819 btrfs_ioctl+0x274b/0x76d0 fs/btrfs/ioctl.c:5932 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.0/13115: #0: 0000000070e49d73 (sb_writers#17){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 0000000070e49d73 (sb_writers#17){.+.+}, at: mnt_want_write_file+0x63/0x1d0 fs/namespace.c:418 #1: 000000005a72a2e0 (&type->i_mutex_dir_key#12/1){+.+.}, at: btrfs_mksubvol+0x156/0x1160 fs/btrfs/ioctl.c:975 #2: 0000000015fe09a5 (&fs_info->subvol_sem){++++}, at: btrfs_mksubvol+0x35b/0x1160 fs/btrfs/ioctl.c:998 #3: 0000000010afbfda (sb_internal#3){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] #3: 0000000010afbfda (sb_internal#3){.+.+}, at: start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528 stack backtrace: CPU: 1 PID: 13115 Comm: syz-executor.0 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+0x114/0x170 fs/btrfs/ioctl.c:1819 btrfs_ioctl+0x274b/0x76d0 fs/btrfs/ioctl.c:5932 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: 0033:0x7ff32420d0c9 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:00007ff32277f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff32432cf80 RCX: 00007ff32420d0c9 RDX: 00000000200000c0 RSI: 000000005000940e RDI: 0000000000000005 RBP: 00007ff324268ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdeb7591f R14: 00007ff32277f300 R15: 0000000000022000 EXT4-fs (loop5): Online defrag not supported with bigalloc EXT4-fs (loop5): Online defrag not supported with bigalloc EXT4-fs error (device loop5): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop5): This should not happen!! Data will be lost EXT4-fs (loop5): Total free blocks count 0 EXT4-fs (loop5): Free/Dirty block details EXT4-fs (loop5): free_blocks=2415919104 BTRFS error (device loop2): unsupported checksum algorithm 3 BTRFS error (device loop2): superblock checksum mismatch EXT4-fs (loop5): dirty_blocks=16 EXT4-fs (loop5): Block reservation details EXT4-fs (loop5): i_reserved_data_blocks=1 BTRFS error (device loop2): open_ctree failed audit: type=1804 audit(1673582261.679:45): pid=13281 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir2394901643/syzkaller.0pddD8/66/bus" dev="sda1" ino=14199 res=1 bridge0: port 2(bridge_slave_1) entered disabled state EXT4-fs (loop5): Unrecognized mount option "cgroup.controllers" or missing value audit: type=1804 audit(1673582261.719:46): pid=13283 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir2394901643/syzkaller.0pddD8/66/bus" dev="sda1" ino=14199 res=1 device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state batman_adv: batadv1: Adding interface: bridge_slave_1 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1673582261.969:47): pid=13280 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir1368176516/syzkaller.SCsDc9/34/cgroup.controllers" dev="sda1" ino=14198 res=1 batman_adv: batadv1: The MTU of interface bridge_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. EXT4-fs error (device loop3): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters audit: type=1804 audit(1673582261.969:48): pid=13280 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir1368176516/syzkaller.SCsDc9/34/cgroup.controllers" dev="sda1" ino=14198 res=1 EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 batman_adv: batadv1: Not using interface bridge_slave_1 (retrying later): interface not active EXT4-fs (loop3): Online defrag not supported with bigalloc EXT4-fs (loop3): This should not happen!! Data will be lost EXT4-fs (loop3): Total free blocks count 0 EXT4-fs (loop3): Free/Dirty block details EXT4-fs (loop3): Online defrag not supported with bigalloc batman_adv: batadv1: Removing interface: bridge_slave_1 audit: type=1804 audit(1673582262.039:49): pid=13285 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir688838648/syzkaller.Oxv0uH/56/file0/bus" dev="loop3" ino=18 res=1 EXT4-fs (loop3): free_blocks=2415919104 EXT4-fs (loop3): dirty_blocks=16 EXT4-fs (loop3): Block reservation details audit: type=1804 audit(1673582262.049:50): pid=13285 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir688838648/syzkaller.Oxv0uH/56/file0/bus" dev="loop3" ino=18 res=1 EXT4-fs (loop3): i_reserved_data_blocks=1 IPVS: ftp: loaded support on port[0] = 21 BTRFS info (device loop0): unrecognized mount option '' BTRFS error (device loop2): unsupported checksum algorithm 3 BTRFS error (device loop0): open_ctree failed BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed batman_adv: batadv1: Adding interface: bridge_slave_1 batman_adv: batadv1: The MTU of interface bridge_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv1: Not using interface bridge_slave_1 (retrying later): interface not active batman_adv: batadv1: Removing interface: bridge_slave_1 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop3): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 IPVS: ftp: loaded support on port[0] = 21 EXT4-fs (loop3): This should not happen!! Data will be lost EXT4-fs (loop3): Total free blocks count 0 EXT4-fs (loop3): Free/Dirty block details EXT4-fs (loop3): free_blocks=2415919104 EXT4-fs (loop3): Online defrag not supported with bigalloc EXT4-fs (loop3): dirty_blocks=48 EXT4-fs (loop3): Block reservation details EXT4-fs (loop3): i_reserved_data_blocks=1 EXT4-fs (loop3): Online defrag not supported with bigalloc bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state batman_adv: batadv2: Adding interface: bridge_slave_1 batman_adv: batadv2: The MTU of interface bridge_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv2: Not using interface bridge_slave_1 (retrying later): interface not active bridge0: port 2(bridge_slave_1) entered disabled state EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state batman_adv: batadv1: Adding interface: bridge_slave_1 EXT4-fs error (device loop3): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters IPVS: ftp: loaded support on port[0] = 21 batman_adv: batadv1: The MTU of interface bridge_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop3): This should not happen!! Data will be lost EXT4-fs (loop3): Total free blocks count 0 batman_adv: batadv1: Not using interface bridge_slave_1 (retrying later): interface not active EXT4-fs (loop3): Free/Dirty block details EXT4-fs (loop3): free_blocks=2415919104 batman_adv: batadv2: Removing interface: bridge_slave_1 EXT4-fs (loop3): dirty_blocks=32 EXT4-fs (loop3): Online defrag not supported with bigalloc EXT4-fs (loop3): Block reservation details EXT4-fs (loop3): i_reserved_data_blocks=1 EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 batman_adv: batadv1: Removing interface: bridge_slave_1 bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state batman_adv: batadv1: Adding interface: bridge_slave_1 batman_adv: batadv1: The MTU of interface bridge_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv1: Not using interface bridge_slave_1 (retrying later): interface not active batman_adv: batadv1: Removing interface: bridge_slave_1 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue batman_adv: batadv1: Adding interface: bridge_slave_1 batman_adv: batadv1: The MTU of interface bridge_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. EXT4-fs error (device loop3): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters batman_adv: batadv1: Not using interface bridge_slave_1 (retrying later): interface not active EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 batman_adv: batadv1: Removing interface: bridge_slave_1 EXT4-fs (loop3): This should not happen!! Data will be lost EXT4-fs (loop3): Total free blocks count 0 EXT4-fs (loop3): Free/Dirty block details EXT4-fs (loop3): free_blocks=2415919104 EXT4-fs (loop3): dirty_blocks=16 EXT4-fs (loop3): Block reservation details EXT4-fs (loop3): i_reserved_data_blocks=1 EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop3): Online defrag not supported with bigalloc batman_adv: batadv1: Adding interface: bridge_slave_1 IPVS: ftp: loaded support on port[0] = 21 batman_adv: batadv1: The MTU of interface bridge_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv1: Not using interface bridge_slave_1 (retrying later): interface not active batman_adv: batadv1: Removing interface: bridge_slave_1 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop3): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop3): Online defrag not supported with bigalloc EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop3): This should not happen!! Data will be lost EXT4-fs (loop3): Total free blocks count 0 EXT4-fs (loop3): Free/Dirty block details EXT4-fs (loop3): free_blocks=2415919104 EXT4-fs (loop3): dirty_blocks=48 EXT4-fs (loop3): Block reservation details EXT4-fs (loop3): i_reserved_data_blocks=1 EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue kauditd_printk_skb: 10 callbacks suppressed audit: type=1804 audit(1673582265.489:61): pid=13609 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir688838648/syzkaller.Oxv0uH/61/file0/bus" dev="loop3" ino=18 res=1 EXT4-fs error (device loop3): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters audit: type=1804 audit(1673582265.519:62): pid=13609 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir688838648/syzkaller.Oxv0uH/61/file0/bus" dev="loop3" ino=18 res=1 EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop3): This should not happen!! Data will be lost EXT4-fs (loop3): Online defrag not supported with bigalloc EXT4-fs (loop3): Total free blocks count 0 EXT4-fs (loop3): Free/Dirty block details EXT4-fs (loop3): free_blocks=2415919104 EXT4-fs (loop3): dirty_blocks=48 EXT4-fs (loop3): Block reservation details EXT4-fs (loop3): i_reserved_data_blocks=1 EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1673582267.499:63): pid=13639 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir2691538112/syzkaller.wik8ne/55/bus" dev="sda1" ino=14233 res=1 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1673582267.549:64): pid=13639 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir2691538112/syzkaller.wik8ne/55/bus" dev="sda1" ino=14233 res=1 EXT4-fs error (device loop3): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop2): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop3): Online defrag not supported with bigalloc EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop2): Online defrag not supported with bigalloc audit: type=1804 audit(1673582267.599:65): pid=13641 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir688838648/syzkaller.Oxv0uH/62/file0/bus" dev="loop3" ino=18 res=1 EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop3): Online defrag not supported with bigalloc EXT4-fs (loop3): This should not happen!! Data will be lost EXT4-fs error (device loop0): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop2): Online defrag not supported with bigalloc EXT4-fs (loop3): Total free blocks count 0 EXT4-fs (loop2): This should not happen!! Data will be lost EXT4-fs (loop3): Free/Dirty block details EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop3): free_blocks=2415919104 EXT4-fs (loop0): Online defrag not supported with bigalloc EXT4-fs (loop3): dirty_blocks=16 EXT4-fs (loop2): Total free blocks count 0 EXT4-fs (loop3): Block reservation details EXT4-fs (loop0): Online defrag not supported with bigalloc audit: type=1804 audit(1673582267.599:66): pid=13641 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir688838648/syzkaller.Oxv0uH/62/file0/bus" dev="loop3" ino=18 res=1 EXT4-fs (loop2): Free/Dirty block details EXT4-fs (loop3): i_reserved_data_blocks=1 EXT4-fs (loop0): This should not happen!! Data will be lost EXT4-fs (loop2): free_blocks=2415919104 EXT4-fs (loop2): dirty_blocks=16 EXT4-fs (loop0): Total free blocks count 0 syz-executor.3 (13641) used greatest stack depth: 22648 bytes left EXT4-fs (loop2): Block reservation details EXT4-fs (loop0): Free/Dirty block details EXT4-fs (loop2): i_reserved_data_blocks=1 EXT4-fs (loop0): free_blocks=2415919104 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1673582267.659:67): pid=13640 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir651117011/syzkaller.pULR4y/54/file0/bus" dev="loop2" ino=18 res=1 EXT4-fs (loop0): dirty_blocks=16 EXT4-fs (loop0): Block reservation details EXT4-fs (loop0): i_reserved_data_blocks=1 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1673582267.669:68): pid=13640 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir651117011/syzkaller.pULR4y/54/file0/bus" dev="loop2" ino=18 res=1 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1673582267.839:69): pid=13666 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir3488857583/syzkaller.36hyh2/62/file0/bus" dev="loop0" ino=18 res=1 EXT4-fs error (device loop3): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): Online defrag not supported with bigalloc audit: type=1804 audit(1673582267.859:70): pid=13666 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir3488857583/syzkaller.36hyh2/62/file0/bus" dev="loop0" ino=18 res=1 EXT4-fs (loop3): Online defrag not supported with bigalloc EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs error (device loop2): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs error (device loop0): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop0): Online defrag not supported with bigalloc EXT4-fs (loop3): This should not happen!! Data will be lost EXT4-fs (loop2): Online defrag not supported with bigalloc EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop0): Online defrag not supported with bigalloc EXT4-fs (loop3): Total free blocks count 0 EXT4-fs (loop2): Online defrag not supported with bigalloc EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop3): Free/Dirty block details EXT4-fs (loop0): This should not happen!! Data will be lost EXT4-fs (loop3): free_blocks=2415919104 EXT4-fs (loop3): dirty_blocks=16 EXT4-fs (loop2): This should not happen!! Data will be lost EXT4-fs (loop0): Total free blocks count 0 EXT4-fs (loop3): Block reservation details EXT4-fs (loop2): Total free blocks count 0 EXT4-fs (loop0): Free/Dirty block details EXT4-fs (loop2): Free/Dirty block details EXT4-fs (loop2): free_blocks=2415919104 EXT4-fs (loop3): i_reserved_data_blocks=1 EXT4-fs (loop2): dirty_blocks=16 EXT4-fs (loop2): Block reservation details EXT4-fs (loop0): free_blocks=2415919104 EXT4-fs (loop2): i_reserved_data_blocks=1 EXT4-fs (loop0): dirty_blocks=16 EXT4-fs (loop0): Block reservation details EXT4-fs (loop0): i_reserved_data_blocks=1 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue ntfs: volume version 3.1. EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue kauditd_printk_skb: 12 callbacks suppressed audit: type=1804 audit(1673582270.559:83): pid=13882 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir2394901643/syzkaller.0pddD8/70/bus" dev="sda1" ino=14250 res=1 EXT4-fs (loop3): Online defrag not supported with bigalloc EXT4-fs (loop2): Online defrag not supported with bigalloc audit: type=1804 audit(1673582270.619:84): pid=13848 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir651117011/syzkaller.pULR4y/56/file0/bus" dev="loop2" ino=18 res=1 EXT4-fs (loop3): Online defrag not supported with bigalloc EXT4-fs (loop2): Online defrag not supported with bigalloc