============================= WARNING: suspicious RCU usage ALSA: seq fatal error: cannot create timer (-22) ALSA: seq fatal error: cannot create timer (-22) 4.15.0-rc6-next-20180102+ #86 Not tainted ----------------------------- net/netfilter/ipset/ip_set_core.c:2057 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u4:6/4532: #0: ((wq_completion)"%s""netns"){+.+.}, at: [<00000000b05a98cb>] process_one_work+0x71f/0x14a0 kernel/workqueue.c:2083 #1: (net_cleanup_work){+.+.}, at: [<00000000af04a625>] process_one_work+0x757/0x14a0 kernel/workqueue.c:2087 #2: (net_mutex){+.+.}, at: [<00000000446885da>] cleanup_net+0x139/0x8b0 net/core/net_namespace.c:450 stack backtrace: CPU: 0 PID: 4532 Comm: kworker/u4:6 Not tainted 4.15.0-rc6-next-20180102+ #86 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x137/0x198 lib/dump_stack.c:53 lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4585 ip_set_net_exit+0x2c6/0x480 net/netfilter/ipset/ip_set_core.c:2057 ops_exit_list.isra.6+0xae/0x150 net/core/net_namespace.c:142 cleanup_net+0x3f3/0x8b0 net/core/net_namespace.c:484 process_one_work+0x801/0x14a0 kernel/workqueue.c:2112 worker_thread+0xe0/0x1010 kernel/workqueue.c:2246 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:524 binder: BINDER_SET_CONTEXT_MGR already set binder: 9687:9699 ioctl 40046207 0 returned -16 binder_alloc: 9687: binder_alloc_buf, no vma binder: 9687:9692 transaction failed 29189/-3, size 0-0 line 2960 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 9687:9692 transaction 50 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 50, target dead kauditd_printk_skb: 103 callbacks suppressed audit: type=1326 audit(1514913479.266:570): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9742 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 device syz6 entered promiscuous mode audit: type=1326 audit(1514913479.267:571): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9742 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913479.273:572): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9742 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=149 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913479.273:573): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9742 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913479.273:574): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9742 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913479.273:575): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9742 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=41 compat=0 ip=0x452ac9 code=0x7ffc0000 encrypted_key: insufficient parameters specified audit: type=1326 audit(1514913479.273:576): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9742 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 encrypted_key: insufficient parameters specified audit: type=1326 audit(1514913479.273:577): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9742 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=2 compat=0 ip=0x40ce01 code=0x7ffc0000 audit: type=1326 audit(1514913479.273:578): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9742 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913479.273:579): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9742 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 device eql entered promiscuous mode Option ' $"~a]g:642(*rp;^kx)cM {z[yU@<&Iz:5F(@ :x۱kcZSk̝(^ F"sNV3Zu1&`K1Ў6&"q[crt>X̐NG@&Ό5T*J;Re0[5Bex_T^R\Aw-NWxZaV$ϊ6' to dns_resolver key: bad/missing value Option ' $"~a]g:642(*rp;^kx)cM {z[yU@<&Iz:5F(@ :x۱kcZSk̝(^ F"sNV3Zu1&`K1Ў6&"q[crt>X̐NG@&Ό5T*J;Re0[5Bex_T^R\Aw-NWxZaV$ϊ6' to dns_resolver key: bad/missing value QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl sg_write: data in/out 1018/6 bytes for SCSI command 0x0-- guessing data in; program syz-executor6 not setting count and/or reply_len properly sg_write: data in/out 1018/6 bytes for SCSI command 0x0-- guessing data in; program syz-executor6 not setting count and/or reply_len properly binder: 10383 RLIMIT_NICE not set binder: BINDER_SET_CONTEXT_MGR already set binder: 10380:10399 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 10380:10399 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 10380:10383 ioctl 40046207 0 returned -16 device syz3 entered promiscuous mode netlink: 'syz-executor6': attribute type 4 has an invalid length. netlink: 'syz-executor6': attribute type 4 has an invalid length. binder: 10563:10566 got transaction to invalid handle binder: 10563:10566 transaction failed 29201/-22, size 0-32 line 2845 binder: undelivered TRANSACTION_ERROR: 29201 device eql entered promiscuous mode kauditd_printk_skb: 120 callbacks suppressed audit: type=1326 audit(1514913485.058:700): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10908 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913485.064:701): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10908 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=77 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913485.064:702): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10908 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913485.064:703): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10908 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913485.097:704): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10908 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=132 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913485.097:705): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10908 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913485.097:706): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10908 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913485.097:707): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10908 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=9 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913485.097:708): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10908 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913485.097:709): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10908 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=317 compat=0 ip=0x452ac9 code=0x7ffc0000 netlink: 17 bytes leftover after parsing attributes in process `syz-executor1'. mip6: mip6_rthdr_init_state: spi is not 0: 3657695232 mip6: mip6_rthdr_init_state: spi is not 0: 3657695232 netlink: 17 bytes leftover after parsing attributes in process `syz-executor1'. binder: 11152:11157 ioctl c018620b 202dd000 returned -14 binder: 11152:11157 ERROR: BC_REGISTER_LOOPER called without request binder: 11157 RLIMIT_NICE not set binder: 11157 RLIMIT_NICE not set binder: 11157 RLIMIT_NICE not set binder: 11152:11157 ioctl c018620b 202dd000 returned -14 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 58, process died. binder: 11152:11176 ERROR: BC_REGISTER_LOOPER called without request binder: 11176 RLIMIT_NICE not set binder: 11152:11177 unknown command 0 binder: 11152:11177 ioctl c0306201 20002fd0 returned -22 netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. binder: 11250:11252 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 11250:11252 Acquire 1 refcount change on invalid ref 0 ret -22 dccp_invalid_packet: invalid packet type