EXT4-fs (loop3): unable to read superblock BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:422/tfrc_rx_hist_sample_rtt() CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0 EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 tfrc_rx_hist_sample_rtt.cold+0x57/0x5c net/dccp/ccids/lib/packet_history.c:422 ccid3_hc_rx_packet_recv+0x5be/0xe90 net/dccp/ccids/ccid3.c:767 EXT4-fs (loop4): group descriptors corrupted! ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline] dccp_deliver_input_to_ccids+0xe1/0x260 net/dccp/input.c:180 dccp_rcv_established net/dccp/input.c:378 [inline] dccp_rcv_established+0x107/0x160 net/dccp/input.c:368 dccp_v4_do_rcv+0x136/0x1a0 net/dccp/ipv4.c:656 sk_backlog_rcv include/net/sock.h:952 [inline] __sk_receive_skb+0x350/0xbb0 net/core/sock.c:473 dccp_v4_rcv+0xed8/0x1a60 net/dccp/ipv4.c:877 ip_local_deliver_finish+0x495/0xc00 net/ipv4/ip_input.c:215 NF_HOOK include/linux/netfilter.h:289 [inline] ip_local_deliver+0x188/0x500 net/ipv4/ip_input.c:256 dst_input include/net/dst.h:461 [inline] ip_rcv_finish+0x1ca/0x2e0 net/ipv4/ip_input.c:414 NF_HOOK include/linux/netfilter.h:289 [inline] ip_rcv+0xca/0x3c0 net/ipv4/ip_input.c:524 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:4954 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5066 process_backlog+0x241/0x700 net/core/dev.c:5849 napi_poll net/core/dev.c:6280 [inline] net_rx_action+0x4ac/0xfb0 net/core/dev.c:6346 __do_softirq+0x265/0x980 kernel/softirq.c:292 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 dccp_close: ABORT with 24 bytes unread EXT4-fs (loop3): unable to read superblock EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs error (device loop2): ext4_fill_super:4450: inode #2: comm syz-executor.2: iget: root inode unallocated EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop3): unable to read superblock EXT4-fs (loop3): unable to read superblock EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs error (device loop2): ext4_fill_super:4450: inode #2: comm syz-executor.2: iget: root inode unallocated EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs error (device loop2): ext4_fill_super:4450: inode #2: comm syz-executor.2: iget: root inode unallocated EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop4): VFS: Can't find ext4 filesystem EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs error (device loop2): ext4_fill_super:4450: inode #2: comm syz-executor.2: iget: root inode unallocated EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed EXT4-fs (loop4): VFS: Can't find ext4 filesystem EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop4): VFS: Can't find ext4 filesystem EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop4): VFS: Can't find ext4 filesystem EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop4): VFS: Can't find ext4 filesystem EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop4): VFS: Can't find ext4 filesystem EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop2): group descriptors corrupted! VFS: unable to find oldfs superblock on device loop4 EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! VFS: unable to find oldfs superblock on device loop4 dccp_close: ABORT with 3 bytes unread EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop4): Unrecognized mount option "€" or missing value EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop5): #blocks per group too big: 32769 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop4): Unrecognized mount option "€" or missing value EXT4-fs (loop4): Unrecognized mount option "€" or missing value EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop4): Unrecognized mount option "€" or missing value EXT4-fs (loop4): Unrecognized mount option "€" or missing value EXT4-fs (loop4): Unrecognized mount option "€" or missing value EXT4-fs (loop4): Unrecognized mount option "€" or missing value EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop4): Unrecognized mount option "€" or missing value EXT4-fs (loop4): Unrecognized mount option "€" or missing value EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop4): Unrecognized mount option "€" or missing value EXT4-fs (loop4): Unrecognized mount option "€" or missing value netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop4): Unrecognized mount option "€" or missing value EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop4): ext4_check_descriptors: Block bitmap for group 0 not in group (block 2538782722)! EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop4): ext4_check_descriptors: Block bitmap for group 0 not in group (block 2538782722)! EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop4): ext4_check_descriptors: Block bitmap for group 0 not in group (block 2538782722)! EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop4): Unrecognized mount option "" or missing value EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop3): Unsupported filesystem blocksize 131072 (32775 log_block_size) EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop4): Unrecognized mount option "" or missing value EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop4): Unrecognized mount option "" or missing value EXT4-fs (loop5): #blocks per group too big: 32769 EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop4): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop4): group descriptors corrupted! EXT4-fs (loop5): #blocks per group too big: 32769