====================================================== attempt to access beyond end of device WARNING: possible circular locking dependency detected 4.14.290-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.5/11374 is trying to acquire lock: (&xt[i].mutex){+.+.}, at: [] target_revfn+0x43/0x210 net/netfilter/x_tables.c:354 but task is already holding lock: loop1: rw=12288, want=4104, limit=12 (&table[i].mutex){+.+.}, at: [] nfnl_lock net/netfilter/nfnetlink.c:61 [inline] (&table[i].mutex){+.+.}, at: [] nfnetlink_rcv_msg+0x726/0xc00 net/netfilter/nfnetlink.c:209 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&table[i].mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 nf_tables_netdev_event+0x10d/0x4d0 net/netfilter/nf_tables_netdev.c:122 overlayfs: fs on 'file0' does not support file handles, falling back to index=off. notifier_call_chain+0x108/0x1a0 kernel/notifier.c:93 call_netdevice_notifiers_info net/core/dev.c:1667 [inline] call_netdevice_notifiers net/core/dev.c:1683 [inline] dev_change_name+0x3ef/0x6a0 net/core/dev.c:1232 dev_ifsioc+0x2c2/0x7d0 net/core/dev_ioctl.c:323 attempt to access beyond end of device dev_ioctl+0x63f/0xbe0 net/core/dev_ioctl.c:515 sock_do_ioctl net/socket.c:981 [inline] sock_ioctl+0x164/0x4c0 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 loop1: rw=12288, want=8200, limit=12 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #1 (rtnl_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 unregister_netdevice_notifier+0x5e/0x2b0 net/core/dev.c:1630 tee_tg_destroy+0x5c/0xb0 net/netfilter/xt_TEE.c:123 cleanup_entry+0x232/0x310 net/ipv6/netfilter/ip6_tables.c:685 attempt to access beyond end of device __do_replace+0x38d/0x580 net/ipv6/netfilter/ip6_tables.c:1106 do_replace net/ipv6/netfilter/ip6_tables.c:1162 [inline] do_ip6t_set_ctl+0x256/0x3b0 net/ipv6/netfilter/ip6_tables.c:1688 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x5f/0xb0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0xc0/0x120 net/ipv6/ipv6_sockglue.c:937 tcp_setsockopt+0x7b/0xc0 net/ipv4/tcp.c:2830 SYSC_setsockopt net/socket.c:1865 [inline] SyS_setsockopt+0x110/0x1e0 net/socket.c:1844 overlayfs: fs on './file0' does not support file handles, falling back to index=off. do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #0 (&xt[i].mutex){+.+.}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 loop1: rw=12288, want=4104, limit=12 target_revfn+0x43/0x210 net/netfilter/x_tables.c:354 xt_find_revision+0x15e/0x1d0 net/netfilter/x_tables.c:378 nfnl_compat_get+0x1f7/0x870 net/netfilter/nft_compat.c:678 nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2454 attempt to access beyond end of device nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515 netlink_unicast_kernel net/netlink/af_netlink.c:1296 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1322 netlink_sendmsg+0x648/0xbc0 net/netlink/af_netlink.c:1893 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 loop1: rw=12288, want=8200, limit=12 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb other info that might help us debug this: Chain exists of: &xt[i].mutex --> rtnl_mutex --> &table[i].mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&table[i].mutex); lock(rtnl_mutex); lock(&table[i].mutex); lock(&xt[i].mutex); *** DEADLOCK *** 1 lock held by syz-executor.5/11374: #0: (&table[i].mutex){+.+.}, at: [] nfnl_lock net/netfilter/nfnetlink.c:61 [inline] #0: (&table[i].mutex){+.+.}, at: [] nfnetlink_rcv_msg+0x726/0xc00 net/netfilter/nfnetlink.c:209 stack backtrace: CPU: 1 PID: 11374 Comm: syz-executor.5 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 target_revfn+0x43/0x210 net/netfilter/x_tables.c:354 xt_find_revision+0x15e/0x1d0 net/netfilter/x_tables.c:378 nfnl_compat_get+0x1f7/0x870 net/netfilter/nft_compat.c:678 nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2454 nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515 netlink_unicast_kernel net/netlink/af_netlink.c:1296 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1322 netlink_sendmsg+0x648/0xbc0 net/netlink/af_netlink.c:1893 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f4e5a544279 RSP: 002b:00007f4e58eb9168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f4e5a656f80 RCX: 00007f4e5a544279 RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 RBP: 00007f4e5a59e189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff4bdff64f R14: 00007f4e58eb9300 R15: 0000000000022000 Bluetooth: hci3 command 0x140a tx timeout attempt to access beyond end of device loop1: rw=12288, want=4104, limit=12 attempt to access beyond end of device loop1: rw=12288, want=8200, limit=12 attempt to access beyond end of device loop1: rw=12288, want=4104, limit=12 overlayfs: fs on 'file0' does not support file handles, falling back to index=off. attempt to access beyond end of device loop1: rw=12288, want=8200, limit=12 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. ntfs: (device loop3): parse_options(): Invalid mft_zone_multiplier. Using default value, i.e. 1. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. ntfs: (device loop3): read_ntfs_boot_sector(): Primary boot sector is invalid. ntfs: (device loop3): read_ntfs_boot_sector(): Mount option errors=recover not used. Aborting without trying to recover. ntfs: (device loop3): ntfs_fill_super(): Not an NTFS volume. overlayfs: fs on './file0' does not support file handles, falling back to index=off. ntfs: (device loop3): parse_options(): Invalid mft_zone_multiplier. Using default value, i.e. 1. ntfs: (device loop3): read_ntfs_boot_sector(): Primary boot sector is invalid. device team0 entered promiscuous mode ntfs: (device loop3): read_ntfs_boot_sector(): Mount option errors=recover not used. Aborting without trying to recover. device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode ntfs: (device loop3): ntfs_fill_super(): Not an NTFS volume. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. team0: Port device team_slave_1 removed device team0 left promiscuous mode device team_slave_0 left promiscuous mode overlayfs: fs on './file0' does not support file handles, falling back to index=off. ntfs: (device loop3): parse_options(): Invalid mft_zone_multiplier. Using default value, i.e. 1. ntfs: (device loop3): read_ntfs_boot_sector(): Primary boot sector is invalid. dccp_v4_rcv: dropped packet with invalid checksum BTRFS: device fsid da33867d-e382-4163-b5e0-ea15c91cfb38 devid 1 transid 7 /dev/loop5 BTRFS info (device loop5): disk space caching is enabled BTRFS info (device loop5): has skinny extents BTRFS info (device loop5): disk space caching is enabled BTRFS info (device loop5): has skinny extents BTRFS info (device loop5): disk space caching is enabled BTRFS info (device loop5): has skinny extents Restarting kernel threads ... done. Restarting kernel threads ... done. Restarting kernel threads ... done. Restarting kernel threads ... done. BTRFS info (device loop5): disk space caching is enabled BTRFS info (device loop5): has skinny extents Restarting kernel threads ... done. Restarting kernel threads ... done. unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 usb usb7: usbfs: process 12082 (syz-executor.4) did not claim interface 0 before use usb usb7: usbfs: process 12097 (syz-executor.4) did not claim interface 0 before use UDF-fs: error (device loop1): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it UDF-fs: error (device loop1): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it UDF-fs: Scanning with blocksize 512 failed usb usb7: usbfs: process 12110 (syz-executor.4) did not claim interface 0 before use UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop1): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 4096 failed usb usb7: usbfs: process 12132 (syz-executor.4) did not claim interface 0 before use UDF-fs: error (device loop1): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it UDF-fs: error (device loop1): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop1): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 4096 failed ADFS-fs: unrecognised mount option "fowner<00000000000000000000" or missing value UDF-fs: error (device loop1): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. UDF-fs: error (device loop1): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it UDF-fs: Scanning with blocksize 512 failed ADFS-fs: unrecognised mount option "fowner<00000000000000000000" or missing value UDF-fs: warning (device loop1): udf_load_vrs: No anchor found