FAT-fs (loop0): Unrecognized mount option "obj_type=bpf" or missing value ================================ WARNING: inconsistent lock state 4.19.104-syzkaller #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. ksoftirqd/1/18 [HC0[0]:SC1[1]:HE1:SE0] takes: 0000000088895073 (rxrpc_conn_id_lock){+.?.}, at: spin_lock include/linux/spinlock.h:329 [inline] 0000000088895073 (rxrpc_conn_id_lock){+.?.}, at: rxrpc_put_client_connection_id.part.0+0x19/0x70 net/rxrpc/conn_client.c:143 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready {SOFTIRQ-ON-W} state was registered at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] rxrpc_get_client_connection_id net/rxrpc/conn_client.c:114 [inline] rxrpc_alloc_client_connection net/rxrpc/conn_client.c:198 [inline] rxrpc_get_client_conn net/rxrpc/conn_client.c:345 [inline] rxrpc_connect_call+0x948/0x4920 net/rxrpc/conn_client.c:702 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready rxrpc_new_client_call+0x8e7/0x1880 net/rxrpc/call_object.c:291 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:596 [inline] rxrpc_do_sendmsg+0xfc3/0x1ca3 net/rxrpc/sendmsg.c:652 rxrpc_sendmsg+0x4a0/0x5b0 net/rxrpc/af_rxrpc.c:593 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2115 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready __sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2236 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe irq event stamp: 37790270 hardirqs last enabled at (37790270): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (37790270): [] _raw_spin_unlock_irqrestore+0x6b/0xe0 kernel/locking/spinlock.c:184 hardirqs last disabled at (37790269): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (37790269): [] _raw_spin_lock_irqsave+0x6f/0xcd kernel/locking/spinlock.c:152 softirqs last enabled at (37790094): [] __do_softirq+0x633/0x921 kernel/softirq.c:318 softirqs last disabled at (37790099): [] run_ksoftirqd kernel/softirq.c:653 [inline] softirqs last disabled at (37790099): [] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(rxrpc_conn_id_lock); lock(rxrpc_conn_id_lock); *** DEADLOCK *** 1 lock held by ksoftirqd/1/18: #0: 000000004e053e9c (rcu_callback){....}, at: __rcu_reclaim kernel/rcu/rcu.h:226 [inline] #0: 000000004e053e9c (rcu_callback){....}, at: rcu_do_batch kernel/rcu/tree.c:2584 [inline] #0: 000000004e053e9c (rcu_callback){....}, at: invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] #0: 000000004e053e9c (rcu_callback){....}, at: __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] #0: 000000004e053e9c (rcu_callback){....}, at: rcu_process_callbacks+0xc79/0x1a30 kernel/rcu/tree.c:2881 stack backtrace: CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.104-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 print_usage_bug.cold+0x330/0x42a kernel/locking/lockdep.c:2540 valid_state kernel/locking/lockdep.c:2553 [inline] mark_lock_irq kernel/locking/lockdep.c:2747 [inline] mark_lock+0xd1b/0x1370 kernel/locking/lockdep.c:3127 mark_irqflags kernel/locking/lockdep.c:3005 [inline] __lock_acquire+0xc62/0x49c0 kernel/locking/lockdep.c:3368 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] rxrpc_put_client_connection_id.part.0+0x19/0x70 net/rxrpc/conn_client.c:143 rxrpc_put_client_connection_id include/linux/spinlock.h:370 [inline] rxrpc_put_one_client_conn net/rxrpc/conn_client.c:956 [inline] rxrpc_put_client_conn+0x6c6/0xc20 net/rxrpc/conn_client.c:1002 rxrpc_put_connection net/rxrpc/ar-internal.h:951 [inline] rxrpc_rcu_destroy_call+0xbd/0x200 net/rxrpc/call_object.c:657 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 run_ksoftirqd kernel/softirq.c:653 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645 smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready sit: non-ECT from 172.20.20.0 with TOS=0x3 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready FAT-fs (loop0): Unrecognized mount option "obj_type=bpf" or missing value FAT-fs (loop0): Unrecognized mount option "obj_type=bpf" or missing value sit: non-ECT from 172.20.20.0 with TOS=0x3 sit: non-ECT from 172.20.20.0 with TOS=0x3 sit: non-ECT from 172.20.20.0 with TOS=0x3 sit: non-ECT from 172.20.20.0 with TOS=0x3 ecryptfs_parse_options: eCryptfs: unrecognized option [}] ecryptfs_parse_options: You must supply at least one valid auth tok signature as a mount parameter; see the eCryptfs README Error parsing options; rc = [-22] ecryptfs_parse_options: eCryptfs: unrecognized option [}] ecryptfs_parse_options: You must supply at least one valid auth tok signature as a mount parameter; see the eCryptfs README Error parsing options; rc = [-22] ecryptfs_parse_options: eCryptfs: unrecognized option [}] ecryptfs_parse_options: You must supply at least one valid auth tok signature as a mount parameter; see the eCryptfs README Error parsing options; rc = [-22] ecryptfs_parse_options: eCryptfs: unrecognized option [}] ecryptfs_parse_options: You must supply at least one valid auth tok signature as a mount parameter; see the eCryptfs README Error parsing options; rc = [-22] audit: type=1400 audit(1582121872.919:112): avc: denied { map } for pid=14845 comm="syz-executor.0" path="/root/syzkaller-testdir703310346/syzkaller.vBep1p/47/file0/cgroup.controllers" dev="loop0" ino=10 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dosfs_t:s0 tclass=file permissive=1 netlink: 3 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 55 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 55 bytes leftover after parsing attributes in process `syz-executor.1'. IPVS: ftp: loaded support on port[0] = 21 netlink: 55 bytes leftover after parsing attributes in process `syz-executor.1'. A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check. IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check. NOHZ: local_softirq_pending 08 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1582121876.249:113): pid=15099 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir703310346/syzkaller.vBep1p/59/bus" dev="sda1" ino=16538 res=1 audit: type=1804 audit(1582121876.249:114): pid=15099 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir703310346/syzkaller.vBep1p/59/bus" dev="sda1" ino=16538 res=1 A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check. IPVS: ftp: loaded support on port[0] = 21 team0: Cannot enslave team device to itself IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 team0: Cannot enslave team device to itself audit: type=1800 audit(1582121876.949:115): pid=15133 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.0" name="SYSV00000000" dev="hugetlbfs" ino=0 res=0 audit: type=1800 audit(1582121877.109:116): pid=15141 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.0" name="SYSV00000000" dev="hugetlbfs" ino=32768 res=0