option changes via remount are deprecated (pid=13082 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 13107 Comm: syz-executor.0 Not tainted 4.14.226-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 register_lock_class+0x32b/0x1320 kernel/locking/lockdep.c:768 __lock_acquire+0x167/0x3f20 kernel/locking/lockdep.c:3378 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 ieee802154_get_llsec_params+0x3f/0x70 net/mac802154/cfg.c:327 rdev_get_llsec_params net/ieee802154/rdev-ops.h:241 [inline] nl802154_get_llsec_params+0xb8/0x310 net/ieee802154/nl802154.c:761 nl802154_send_iface+0x73b/0x8d0 net/ieee802154/nl802154.c:839 nl802154_dump_interface+0x278/0x470 net/ieee802154/nl802154.c:876 genl_lock_dumpit+0x60/0x90 net/netlink/genetlink.c:481 netlink_dump+0x39c/0xad0 net/netlink/af_netlink.c:2203 __netlink_dump_start+0x4e2/0x740 net/netlink/af_netlink.c:2300 genl_family_rcv_msg+0x95c/0xb20 net/netlink/genetlink.c:549 genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 genl_rcv+0x24/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 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: 0033:0x466459 RSP: 002b:00007f3c6cf49188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffed27c1daf R14: 00007f3c6cf49300 R15: 0000000000022000 option changes via remount are deprecated (pid=13082 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13115 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13115 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13118 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13118 comm=syz-executor.4) EXT4-fs (loop5): Unrecognized mount option "tmpfs" or missing value FAT-fs (loop3): Directory bread(block 6) failed ptrace attach of "/root/syz-executor.1"[7969] was attempted by "/root/syz-executor.1"[13135] new mount options do not match the existing superblock, will be ignored new mount options do not match the existing superblock, will be ignored new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13151 comm=syz-executor.4) 9pnet: Insufficient options for proto=fd option changes via remount are deprecated (pid=13151 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored 9pnet: Insufficient options for proto=fd ptrace attach of "/root/syz-executor.1"[7969] was attempted by "/root/syz-executor.1"[13160] new mount options do not match the existing superblock, will be ignored caif:caif_disconnect_client(): nothing to disconnect option changes via remount are deprecated (pid=13162 comm=syz-executor.4) caif:caif_disconnect_client(): nothing to disconnect option changes via remount are deprecated (pid=13162 comm=syz-executor.4) EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue ptrace attach of "/root/syz-executor.1"[7969] was attempted by "/root/syz-executor.1"[13182] IPVS: ftp: loaded support on port[0] = 21 new mount options do not match the existing superblock, will be ignored new mount options do not match the existing superblock, will be ignored EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13254 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13254 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13268 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13268 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13295 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored new mount options do not match the existing superblock, will be ignored new mount options do not match the existing superblock, will be ignored new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13348 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13348 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13380 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13380 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13407 comm=syz-executor.4) new mount options do not match the existing superblock, will be ignored option changes via remount are deprecated (pid=13407 comm=syz-executor.4) ip6_tables: ip6tables: counters copy to user failed while replacing table ip6_tables: ip6tables: counters copy to user failed while replacing table