kauditd_printk_skb: 2 callbacks suppressed audit: type=1326 audit(1678132173.404:2159): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=23242 comm="syz-executor.2" exe="/root/syz-executor.2" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7ff1b4b860f9 code=0x0 audit: type=1804 audit(1678132173.514:2160): pid=23248 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir1606662566/syzkaller.MGqjSY/1216/cgroup.controllers" dev="sda1" ino=14506 res=1 BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 23248 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 add_chain_cache kernel/locking/lockdep.c:2259 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:2371 [inline] validate_chain kernel/locking/lockdep.c:2391 [inline] __lock_acquire.cold+0x420/0x57e kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:152 __debug_check_no_obj_freed lib/debugobjects.c:776 [inline] debug_check_no_obj_freed+0xb5/0x490 lib/debugobjects.c:817 kmem_cache_free+0xff/0x260 mm/slab.c:3764 kfree_skbmem+0xc1/0x140 net/core/skbuff.c:595 __kfree_skb net/core/skbuff.c:655 [inline] consume_skb+0x120/0x3d0 net/core/skbuff.c:714 packet_rcv+0xea/0x1490 net/packet/af_packet.c:2148 dev_queue_xmit_nit+0x756/0xa20 net/core/dev.c:2050 xmit_one net/core/dev.c:3252 [inline] dev_hard_start_xmit+0xaa/0x920 net/core/dev.c:3272 __dev_queue_xmit+0x269d/0x2e00 net/core/dev.c:3838 __netlink_deliver_tap_skb net/netlink/af_netlink.c:303 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:321 [inline] netlink_deliver_tap+0x8fb/0xb00 net/netlink/af_netlink.c:334 __netlink_sendskb net/netlink/af_netlink.c:1269 [inline] netlink_sendskb+0x6c/0x110 net/netlink/af_netlink.c:1278 netlink_unicast+0x5b3/0x690 net/netlink/af_netlink.c:1366 nlmsg_unicast include/net/netlink.h:608 [inline] genlmsg_unicast include/net/genetlink.h:288 [inline] genlmsg_reply include/net/genetlink.h:298 [inline] nl80211_remain_on_channel+0x72a/0xe70 net/wireless/nl80211.c:9936 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 sock_no_sendpage+0xf5/0x140 net/core/sock.c:2686 kernel_sendpage net/socket.c:3585 [inline] sock_sendpage+0xdf/0x140 net/socket.c:912 pipe_to_sendpage+0x268/0x330 fs/splice.c:452 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x389/0x800 fs/splice.c:627 splice_from_pipe fs/splice.c:662 [inline] generic_splice_sendpage+0xd4/0x140 fs/splice.c:833 do_splice_from fs/splice.c:852 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1025 splice_direct_to_actor+0x33f/0x8d0 fs/splice.c:980 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 RIP: 0033:0x7f5ee104a0f9 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:00007f5edf5bc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f5ee1169f80 RCX: 00007f5ee104a0f9 RDX: 0000000000000000 RSI: 000000000000000a RDI: 000000000000000b RBP: 00007f5ee10a5ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 000000010000a006 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd82327e2f R14: 00007f5edf5bc300 R15: 0000000000022000 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. RDS: rds_bind could not find a transport for fe80::17, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for fe80::17, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for fe80::17, load rds_tcp or rds_rdma? netlink: 'syz-executor.2': attribute type 5 has an invalid length. netlink: 'syz-executor.2': attribute type 5 has an invalid length. netlink: 'syz-executor.2': attribute type 5 has an invalid length. orangefs_mount: mount request failed with -4 orangefs_mount: mount request failed with -4 netlink: 'syz-executor.0': attribute type 1 has an invalid length. orangefs_mount: mount request failed with -4 netlink: 'syz-executor.0': attribute type 1 has an invalid length. netlink: 'syz-executor.0': attribute type 1 has an invalid length. netlink: 'syz-executor.4': attribute type 1 has an invalid length. netlink: 'syz-executor.4': attribute type 1 has an invalid length. IPVS: set_ctl: invalid protocol: 0 172.20.20.170:0 netlink: 'syz-executor.0': attribute type 1 has an invalid length. IPVS: set_ctl: invalid protocol: 0 172.20.20.170:0 IPVS: set_ctl: invalid protocol: 0 172.20.20.170:0 netlink: 'syz-executor.4': attribute type 1 has an invalid length. overlayfs: unrecognized mount option "" or missing value netlink: 'syz-executor.4': attribute type 1 has an invalid length. netlink: 'syz-executor.4': attribute type 1 has an invalid length. netlink: 'syz-executor.4': attribute type 1 has an invalid length. audit: type=1804 audit(1678132182.435:2161): pid=23916 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir4219853665/syzkaller.MPutiw/1188/bus" dev="sda1" ino=13959 res=1 audit: type=1804 audit(1678132182.445:2162): pid=23916 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir4219853665/syzkaller.MPutiw/1188/bus" dev="sda1" ino=13959 res=1 audit: type=1804 audit(1678132182.445:2163): pid=23916 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir4219853665/syzkaller.MPutiw/1188/bus" dev="sda1" ino=13959 res=1 audit: type=1804 audit(1678132182.565:2164): pid=24057 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir4219853665/syzkaller.MPutiw/1188/bus" dev="sda1" ino=13959 res=1 netlink: 'syz-executor.4': attribute type 1 has an invalid length. overlayfs: unrecognized mount option "" or missing value overlayfs: unrecognized mount option "" or missing value netlink: 'syz-executor.4': attribute type 1 has an invalid length. netlink: 'syz-executor.4': attribute type 1 has an invalid length. overlayfs: unrecognized mount option "" or missing value overlayfs: unrecognized mount option "" or missing value overlayfs: unrecognized mount option "" or missing value overlayfs: unrecognized mount option "" or missing value netlink: 'syz-executor.4': attribute type 1 has an invalid length. overlayfs: unrecognized mount option "" or missing value overlayfs: unrecognized mount option "" or missing value netlink: 'syz-executor.4': attribute type 1 has an invalid length. overlayfs: unrecognized mount option "" or missing value overlayfs: unrecognized mount option "" or missing value overlayfs: unrecognized mount option "" or missing value overlayfs: unrecognized mount option "" or missing value netlink: 'syz-executor.4': attribute type 1 has an invalid length. overlayfs: unrecognized mount option "" or missing value overlayfs: unrecognized mount option "" or missing value overlayfs: unrecognized mount option "" or missing value