====================================================== WARNING: possible circular locking dependency detected 4.14.0+ #190 Not tainted ------------------------------------------------------ syz-executor3/12090 is trying to acquire lock: (&pipe->mutex/1){+.+.}, at: [] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [] pipe_lock+0x56/0x70 fs/pipe.c:75 but task is already holding lock: (sb_writers){.+.+}, at: [] file_start_write include/linux/fs.h:2715 [inline] (sb_writers){.+.+}, at: [] do_splice fs/splice.c:1146 [inline] (sb_writers){.+.+}, at: [] SYSC_splice fs/splice.c:1402 [inline] (sb_writers){.+.+}, at: [] SyS_splice+0x1117/0x1630 fs/splice.c:1382 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #6 (sb_writers){.+.+}: spin_lock include/linux/spinlock.h:315 [inline] fast_dput fs/dcache.c:687 [inline] dput.part.23+0x492/0x830 fs/dcache.c:794 -> #5 ((completion)&req.done){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 complete_acquire include/linux/completion.h:40 [inline] __wait_for_common kernel/sched/completion.c:109 [inline] wait_for_common kernel/sched/completion.c:123 [inline] wait_for_completion+0xcb/0x7b0 kernel/sched/completion.c:144 devtmpfs_create_node+0x32b/0x4a0 drivers/base/devtmpfs.c:115 device_add+0x120f/0x1640 drivers/base/core.c:1824 device_create_groups_vargs+0x1f3/0x250 drivers/base/core.c:2430 device_create_vargs drivers/base/core.c:2470 [inline] device_create+0xda/0x110 drivers/base/core.c:2506 msr_device_create+0x26/0x40 arch/x86/kernel/msr.c:188 cpuhp_invoke_callback+0x2ea/0x1d20 kernel/cpu.c:182 cpuhp_thread_fun+0x48e/0x7e0 kernel/cpu.c:571 smpboot_thread_fn+0x450/0x7c0 kernel/smpboot.c:164 kthread+0x37a/0x440 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:437 -> #4 (cpuhp_state-up){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 cpuhp_lock_acquire kernel/cpu.c:85 [inline] cpuhp_invoke_ap_callback kernel/cpu.c:605 [inline] cpuhp_issue_call+0x1e5/0x520 kernel/cpu.c:1495 __cpuhp_setup_state_cpuslocked+0x282/0x600 kernel/cpu.c:1642 __cpuhp_setup_state+0xb0/0x140 kernel/cpu.c:1671 cpuhp_setup_state include/linux/cpuhotplug.h:201 [inline] page_writeback_init+0x4d/0x71 mm/page-writeback.c:2083 pagecache_init+0x48/0x4f mm/filemap.c:977 start_kernel+0x6bc/0x74f init/main.c:690 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:378 x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:359 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:237 -> #3 (cpuhp_state_mutex){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 __cpuhp_setup_state_cpuslocked+0x5b/0x600 kernel/cpu.c:1617 __cpuhp_setup_state+0xb0/0x140 kernel/cpu.c:1671 cpuhp_setup_state_nocalls include/linux/cpuhotplug.h:229 [inline] kvm_guest_init+0x1f3/0x20f arch/x86/kernel/kvm.c:528 setup_arch+0x17e8/0x1a02 arch/x86/kernel/setup.c:1266 start_kernel+0xa5/0x74f init/main.c:530 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:378 x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:359 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:237 -> #2 (cpu_hotplug_lock.rw_sem){++++}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] cpus_read_lock+0x42/0x90 kernel/cpu.c:293 get_online_cpus include/linux/cpu.h:117 [inline] lru_add_drain_all+0xe/0x20 mm/swap.c:729 shmem_wait_for_pins mm/shmem.c:2672 [inline] shmem_add_seals+0x3df/0x1060 mm/shmem.c:2780 shmem_fcntl+0xfe/0x130 mm/shmem.c:2815 do_fcntl+0x73e/0x1160 fs/fcntl.c:421 SYSC_fcntl fs/fcntl.c:463 [inline] SyS_fcntl+0xdc/0x120 fs/fcntl.c:448 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #1 (&sb->s_type->i_mutex_key#10){++++}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 down_write+0x87/0x120 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:713 [inline] generic_file_write_iter+0xdc/0x7a0 mm/filemap.c:3289 call_write_iter include/linux/fs.h:1772 [inline] do_iter_readv_writev+0x531/0x7f0 fs/read_write.c:653 do_iter_write+0x15a/0x540 fs/read_write.c:932 vfs_iter_write+0x77/0xb0 fs/read_write.c:945 iter_file_splice_write+0x7db/0xf30 fs/splice.c:749 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #0 (&pipe->mutex/1){+.+.}: check_prevs_add kernel/locking/lockdep.c:2031 [inline] validate_chain kernel/locking/lockdep.c:2473 [inline] __lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 pipe_lock_nested fs/pipe.c:67 [inline] pipe_lock+0x56/0x70 fs/pipe.c:75 iter_file_splice_write+0x264/0xf30 fs/splice.c:699 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 other info that might help us debug this: Chain exists of: &pipe->mutex/1 --> (completion)&req.done --> sb_writers Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sb_writers); lock((completion)&req.done); lock(sb_writers); lock(&pipe->mutex/1); *** DEADLOCK *** 1 lock held by syz-executor3/12090: #0: (sb_writers){.+.+}, at: [] file_start_write include/linux/fs.h:2715 [inline] #0: (sb_writers){.+.+}, at: [] do_splice fs/splice.c:1146 [inline] #0: (sb_writers){.+.+}, at: [] SYSC_splice fs/splice.c:1402 [inline] #0: (sb_writers){.+.+}, at: [] SyS_splice+0x1117/0x1630 fs/splice.c:1382 stack backtrace: CPU: 0 PID: 12090 Comm: syz-executor3 Not tainted 4.14.0+ #190 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+0x194/0x257 lib/dump_stack.c:53 print_circular_bug+0x42d/0x610 kernel/locking/lockdep.c:1271 check_prev_add+0x666/0x15f0 kernel/locking/lockdep.c:1914 check_prevs_add kernel/locking/lockdep.c:2031 [inline] validate_chain kernel/locking/lockdep.c:2473 [inline] __lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 pipe_lock_nested fs/pipe.c:67 [inline] pipe_lock+0x56/0x70 fs/pipe.c:75 iter_file_splice_write+0x264/0xf30 fs/splice.c:699 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x7d5/0x1630 fs/splice.c:1382 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007fab1e513be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000000000018 RSI: 0000000000000000 RDI: 0000000000000016 RBP: 0000000000000086 R08: 00000000fffffdf8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2608 R13: 00000000ffffffff R14: 00007fab1e5146d4 R15: 0000000000000000 sctp: [Deprecated]: syz-executor4 (pid 12104) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor4 (pid 12104) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead Option ' sctp: [Deprecated]: syz-executor7 (pid 12201) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor7 (pid 12205) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead Option ' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3 sclass=netlink_route_socket pig=12287 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12287 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=51 sclass=netlink_route_socket pig=12287 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12296 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12296 comm=syz-executor3 handle_userfault: 193 callbacks suppressed FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 12281 Comm: syz-executor6 Not tainted 4.14.0+ #190 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+0x194/0x257 lib/dump_stack.c:53 handle_userfault+0x12fa/0x24c0 fs/userfaultfd.c:427 do_anonymous_page mm/memory.c:3121 [inline] handle_pte_fault mm/memory.c:3934 [inline] __handle_mm_fault+0x2e8c/0x3ad0 mm/memory.c:4060 handle_mm_fault+0x334/0x8d0 mm/memory.c:4097 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1429 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504 page_fault+0x22/0x30 arch/x86/entry/entry_64.S:1088 RIP: 0010:fault_in_pages_readable include/linux/pagemap.h:601 [inline] RIP: 0010:iov_iter_fault_in_readable+0x1a7/0x410 lib/iov_iter.c:421 RSP: 0018:ffff8801d059f928 EFLAGS: 00010246 RAX: 0000000000010000 RBX: 0000000020011fd2 RCX: ffffffff82505391 RDX: 00000000000000c0 RSI: ffffc900033f6000 RDI: ffff8801d059fd28 RBP: ffff8801d059fa08 R08: 1ffff1003898c8aa R09: 1ffff1003a0b3f1a R10: ffff8801c32a42c0 R11: ffff8801c32a42c0 R12: 1ffff1003a0b3f28 R13: ffff8801d059f9e0 R14: 0000000000000000 R15: ffff8801d059fd20 generic_perform_write+0x200/0x600 mm/filemap.c:3129 __generic_file_write_iter+0x366/0x5b0 mm/filemap.c:3264 generic_file_write_iter+0x399/0x7a0 mm/filemap.c:3292 call_write_iter include/linux/fs.h:1772 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:482 vfs_write+0x18f/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452879 RSP: 002b:00007f0eb0b9ebe8 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000000000030 RSI: 0000000020011fd2 RDI: 0000000000000015 RBP: 00000000000002ed R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f16d8 R13: 00000000ffffffff R14: 00007f0eb0b9f6d4 R15: 0000000000000000 device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3 sclass=netlink_route_socket pig=12311 comm=syz-executor3 sctp: [Deprecated]: syz-executor4 (pid 12352) Use of int in maxseg socket option. Use struct sctp_assoc_value instead audit: type=1326 audit(1511354571.794:4496): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=12353 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0xffff0000 sctp: [Deprecated]: syz-executor4 (pid 12361) Use of int in maxseg socket option. Use struct sctp_assoc_value instead audit: type=1326 audit(1511354571.882:4497): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=12353 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x0 audit: type=1326 audit(1511354571.950:4498): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=12353 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0xffff0000 audit: type=1326 audit(1511354571.990:4499): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=12353 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x0 nla_parse: 7 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'. pit: kvm: requested 5866 ns i8254 timer period limited to 500000 ns netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'. pit: kvm: requested 5866 ns i8254 timer period limited to 500000 ns sctp: [Deprecated]: syz-executor4 (pid 12456) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead netlink: 8 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor5'. sctp: [Deprecated]: syz-executor4 (pid 12477) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead audit: type=1326 audit(1511354573.070:4500): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=12491 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 selinux_nlmsg_perm: 4 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12492 comm=syz-executor3 sctp: [Deprecated]: syz-executor2 (pid 12507) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 12507) Use of int in maxseg socket option. Use struct sctp_assoc_value instead netlink: 13 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor0'. audit: type=1326 audit(1511354573.070:4501): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=12491 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 sctp: [Deprecated]: syz-executor2 (pid 12536) Use of int in maxseg socket option. Use struct sctp_assoc_value instead audit: type=1326 audit(1511354573.070:4502): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=12491 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=2 compat=0 ip=0x40cbb1 code=0x7ffc0000 sctp: [Deprecated]: syz-executor2 (pid 12536) Use of int in maxseg socket option. Use struct sctp_assoc_value instead audit: type=1326 audit(1511354573.070:4503): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=12491 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511354573.070:4504): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=12491 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'. tc_dump_action: action bad kind netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'. tc_dump_action: action bad kind RDS: rds_bind could not find a transport for 172.20.3.170, load rds_tcp or rds_rdma? SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535 sclass=netlink_xfrm_socket pig=12604 comm=syz-executor5 RDS: rds_bind could not find a transport for 172.20.3.170, load rds_tcp or rds_rdma? SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535 sclass=netlink_xfrm_socket pig=12604 comm=syz-executor5 sctp: [Deprecated]: syz-executor0 (pid 12651) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor0 (pid 12683) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl sctp: [Deprecated]: syz-executor4 (pid 12740) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002051, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x000000000000fffa RIP = 0x0000000000000f00 RFLAGS=0x00033000 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0xd800, attr=0x000f3, limit=0x0000ffff, base=0x00000000000d8000 DS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x00002088, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811bca33 RSP = 0xffff8801c7a374c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f4680eca700 GSBase=ffff8801db500000 TRBase=ffff8801db523140 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001c426f000 CR4=00000000001426e0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff8513c0b0 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b699edfa SecondaryExec=00000042 EntryControls=0000d1ff ExitControls=0023efff ExceptionBitmap=ffffbfff PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffffc62206eedf EPT pointer = 0x00000001c3f8701e sctp: [Deprecated]: syz-executor4 (pid 12740) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead SELinux: unrecognized netlink message: protocol=4 nlmsg_type=58606 sclass=netlink_tcpdiag_socket pig=12765 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=58606 sclass=netlink_tcpdiag_socket pig=12776 comm=syz-executor5 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl device gre0 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl device eql entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl kvm: pic: non byte write Bearer <> rejected, not supported in standalone mode Bearer <> rejected, not supported in standalone mode device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl kvm [13354]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008f kvm [13354]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008e kvm [13354]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008d QAT: Invalid ioctl QAT: Invalid ioctl nla_parse: 59 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. device gre0 entered promiscuous mode netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. sctp: [Deprecated]: syz-executor0 (pid 13678) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor0 (pid 13678) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead QAT: Invalid ioctl netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. QAT: Invalid ioctl sctp: [Deprecated]: syz-executor0 (pid 13709) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. sctp: [Deprecated]: syz-executor0 (pid 13717) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead kauditd_printk_skb: 173 callbacks suppressed audit: type=1326 audit(1511354578.535:4678): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=13731 comm="syz-executor0" exe="/root/syz-executor0" sig=9 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x0 netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. audit: type=1326 audit(1511354578.563:4679): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=13741 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? audit: type=1326 audit(1511354578.563:4680): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=13741 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511354578.564:4681): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=13741 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=206 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511354578.564:4682): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=13741 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511354578.565:4683): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=13741 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=210 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511354578.565:4684): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=13741 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 device gre0 entered promiscuous mode ?: renamed from sit0 netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. device gre0 entered promiscuous mode netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'. RDS: rds_bind could not find a transport for 172.20.1.170, load rds_tcp or rds_rdma? audit: type=1326 audit(1511354578.565:4685): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=13741 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=297 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511354578.565:4686): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=13741 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511354578.565:4687): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=13741 comm="syz-executor2" exe="/root/syz-executor2" sig=0 arch=c000003e syscall=9 compat=0 ip=0x452879 code=0x7ffc0000 *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x0000000060000011, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000006050, shadow=0x0000000000004000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0x0000, attr=0x0009b, limit=0x000fffff, base=0x0000000000000000 DS: sel=0x0018, attr=0x00093, limit=0x000fffff, base=0x0000000000000000 SS: sel=0x0018, attr=0x00093, limit=0x000fffff, base=0x0000000000000000 ES: sel=0x0018, attr=0x00093, limit=0x000fffff, base=0x0000000000000000 kvm [13900]: vcpu4, guest rIP: 0xfff0 kvm_set_msr_common: MSR_IA32_DEBUGCTLMSR 0x2, nop FS: sel=0x0018, attr=0x00093, limit=0x000fffff, base=0x0000000000000000 GS: sel=0x0018, attr=0x00093, limit=0x000fffff, base=0x0000000000000000 GDTR: limit=0x000007ff, base=0x0000000000001000 LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 IDTR: limit=0x00000000, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 kvm [13900]: vcpu4, guest rIP: 0xfff0 kvm_set_msr_common: MSR_IA32_DEBUGCTLMSR 0x2, nop EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000008 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811bca33 RSP = 0xffff8801d03cf4c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007fab1e514700 GSBase=ffff8801db400000 TRBase=ffff8801db523140 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001d1457000 CR4=00000000001426f0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff8513c0b0 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b699edfa SecondaryExec=0000004a EntryControls=0000d1ff ExitControls=0023efff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffffc3716b30ff EPT pointer = 0x00000001c8f5c01e