====================================================== WARNING: possible circular locking dependency detected 4.14.0-mm1+ #25 Not tainted ------------------------------------------------------ syz-executor3/9731 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: -> #5 (sb_writers){.+.+}: spin_lock include/linux/spinlock.h:315 [inline] evict+0x533/0x920 fs/inode.c:564 -> #4 ((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_register+0x1d/0x20 drivers/base/core.c:1905 tty_register_device_attr+0x422/0x740 drivers/tty/tty_io.c:2956 tty_port_register_device_attr_serdev+0x100/0x140 drivers/tty/tty_port.c:166 uart_add_one_port+0xa7a/0x15b0 drivers/tty/serial/serial_core.c:2783 serial8250_register_8250_port+0xfac/0x1990 drivers/tty/serial/8250/8250_core.c:1045 serial_pnp_probe+0x5e7/0xac0 drivers/tty/serial/8250/8250_pnp.c:480 pnp_device_probe+0x15f/0x250 drivers/pnp/driver.c:109 really_probe drivers/base/dd.c:424 [inline] driver_probe_device+0x71b/0xae0 drivers/base/dd.c:566 __driver_attach+0x181/0x1c0 drivers/base/dd.c:800 bus_for_each_dev+0x154/0x1e0 drivers/base/bus.c:313 driver_attach+0x3d/0x50 drivers/base/dd.c:819 bus_add_driver+0x466/0x620 drivers/base/bus.c:669 driver_register+0x1bf/0x3c0 drivers/base/driver.c:168 pnp_register_driver+0x75/0xa0 drivers/pnp/driver.c:272 serial8250_pnp_init+0x15/0x20 drivers/tty/serial/8250/8250_pnp.c:537 serial8250_init+0x8f/0x270 drivers/tty/serial/8250/8250_core.c:1122 do_one_initcall+0x9e/0x330 init/main.c:826 do_initcall_level init/main.c:892 [inline] do_initcalls init/main.c:900 [inline] do_basic_setup init/main.c:918 [inline] kernel_init_freeable+0x469/0x521 init/main.c:1066 kernel_init+0x13/0x172 init/main.c:993 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:437 -> #3 (&port->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 uart_set_termios+0x8f/0x5b0 drivers/tty/serial/serial_core.c:1416 tty_set_termios+0x6d4/0xa40 drivers/tty/tty_ioctl.c:334 set_termios+0x377/0x6b0 drivers/tty/tty_ioctl.c:414 tty_mode_ioctl+0x9fb/0xb10 drivers/tty/tty_ioctl.c:749 n_tty_ioctl_helper+0x40/0x360 drivers/tty/tty_ioctl.c:940 n_tty_ioctl+0x148/0x2d0 drivers/tty/n_tty.c:2435 tty_ioctl+0x32e/0x15f0 drivers/tty/tty_io.c:2638 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #2 (&tty->termios_rwsem){++++}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 down_read+0x96/0x150 kernel/locking/rwsem.c:24 n_tty_write+0x249/0xed0 drivers/tty/n_tty.c:2285 do_tty_write drivers/tty/tty_io.c:949 [inline] tty_write+0x400/0x850 drivers/tty/tty_io.c:1033 redirected_tty_write+0xa1/0xb0 drivers/tty/tty_io.c:1054 __vfs_write+0xef/0x970 fs/read_write.c:480 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 -> #1 (&tty->ldisc_sem){++++}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004 __ldsem_down_read_nested+0xd1/0xa90 drivers/tty/tty_ldsem.c:325 ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365 tty_ldisc_ref_wait+0x25/0x80 drivers/tty/tty_ldisc.c:277 tty_read+0xf8/0x250 drivers/tty/tty_io.c:852 do_loop_readv_writev fs/read_write.c:673 [inline] do_iter_read+0x3db/0x5b0 fs/read_write.c:897 vfs_readv+0x121/0x1c0 fs/read_write.c:959 kernel_readv fs/splice.c:361 [inline] default_file_splice_read+0x508/0xae0 fs/splice.c:416 do_splice_to+0x110/0x170 fs/splice.c:880 do_splice fs/splice.c:1173 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0x11a8/0x1630 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-executor3/9731: #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: 9731 Comm: syz-executor3 Not tainted 4.14.0-mm1+ #25 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:00007f75a1e2dbe8 EFLAGS: 00000212 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000000000015 RSI: 0000000000000000 RDI: 0000000000000017 RBP: 0000000000000086 R08: 0000000100000000 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2cc8 R13: 00000000ffffffff R14: 00007f75a1e2e6d4 R15: 0000000000000000 sctp: [Deprecated]: syz-executor4 (pid 9774) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor4 (pid 9782) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device gre0 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. dccp_close: ABORT with 305 bytes unread TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x0000000060000011, gh_mask=fffffffffffffff7 CR4: actual=0x000000000000605c, shadow=0x000000000000400c, gh_mask=ffffffffffffe871 netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. Option 'Q9z̧ƒh' to dns_resolver key: bad/missing value CR3 = 0x00000000fffbc000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00002202 DR7 = 0x0000000000000400 netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x0000000060000011, gh_mask=fffffffffffffff7 CR4: actual=0x000000000000605c, shadow=0x000000000000400c, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00002202 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810 CS: sel=0x0043, attr=0x040fb, limit=0x000fffff, base=0x0000000000000000 DS: sel=0x004b, attr=0x040f3, limit=0x000fffff, base=0x0000000000000000 SS: sel=0x004b, attr=0x040f3, limit=0x000fffff, base=0x0000000000000000 ES: sel=0x004b, attr=0x040f3, limit=0x000fffff, base=0x0000000000000000 FS: sel=0x004b, attr=0x040f3, limit=0x000fffff, base=0x0000000000000000 GS: sel=0x004b, attr=0x040f3, limit=0x000fffff, base=0x0000000000000000 GDTR: limit=0x000007ff, base=0x0000000000001000 LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 IDTR: limit=0x000001ff, base=0x0000000000003800 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000001 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811be573 RSP = 0xffff8801ce2cf4c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f28bdf95700 GSBase=ffff8801db400000 TRBase=ffff8801db423140 GDTBase=ffffffffff577000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001c26fd000 CR4=00000000001426f0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff85142970 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=0000004b 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 = 0xffffffd32c414196 TPR Threshold = 0x00 EPT pointer = 0x00000001c26df01e Option 'Q9z̧ƒh' to dns_resolver key: bad/missing value kauditd_printk_skb: 61 callbacks suppressed audit: type=1326 audit(1511356504.639:802): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10118 comm="syz-executor1" exe="/root/syz-executor1" sig=9 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x0 audit: type=1326 audit(1511356504.756:803): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10118 comm="syz-executor1" exe="/root/syz-executor1" sig=9 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x0 Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810 CS: sel=0x0043, attr=0x040fb, limit=0x000fffff, base=0x0000000000000000 DS: sel=0x004b, attr=0x040f3, limit=0x000fffff, base=0x0000000000000000 SS: sel=0x004b, attr=0x040f3, limit=0x000fffff, base=0x0000000000000000 ES: sel=0x004b, attr=0x040f3, limit=0x000fffff, base=0x0000000000000000 FS: sel=0x004b, attr=0x040f3, limit=0x000fffff, base=0x0000000000000000 GS: sel=0x004b, attr=0x040f3, limit=0x000fffff, base=0x0000000000000000 GDTR: limit=0x000007ff, base=0x0000000000001000 LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 IDTR: limit=0x000001ff, base=0x0000000000003800 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000001 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811be573 RSP = 0xffff8801c7dd7378 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f28bdfd9700 GSBase=ffff8801db400000 TRBase=ffff8801db523140 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001c26fd000 CR4=00000000001426f0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff85142970 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=0000004b 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 = 0xffffffd33df896cb TPR Threshold = 0x00 EPT pointer = 0x00000001d886001e netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. dccp_close: ABORT with 95 bytes unread netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. audit: type=1326 audit(1511356505.183:804): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10192 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511356505.205:805): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10192 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=53 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511356505.205:806): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10192 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511356505.205:807): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10192 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511356505.205:808): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10192 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=9 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511356505.207:809): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10192 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511356505.209:810): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10192 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=41 compat=0 ip=0x452879 code=0x7ffc0000 audit: type=1326 audit(1511356505.209:811): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10192 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0x7ffc0000 QAT: failed to copy from user. QAT: failed to copy from user. netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'. device syz7 entered promiscuous mode device syz7 left promiscuous mode sctp: [Deprecated]: syz-executor5 (pid 10414) 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-executor4'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. device syz7 entered promiscuous mode device syz7 left promiscuous mode netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. sctp: [Deprecated]: syz-executor5 (pid 10443) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead netlink: 12 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. kvm [10532]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x4000008f data 0x71 kvm [10532]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x4000008e data 0x71 kvm [10532]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x4000008d data 0x71 kvm [10532]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x4000008c data 0x71 device lo left promiscuous mode Subscription rejected, illegal request QAT: Invalid ioctl Subscription rejected, illegal request QAT: Invalid ioctl print_req_error: I/O error, dev loop4, sector 193 Buffer I/O error on dev loop4, logical block 193, lost async page write print_req_error: I/O error, dev loop4, sector 194 Buffer I/O error on dev loop4, logical block 194, lost async page write print_req_error: I/O error, dev loop4, sector 195 Buffer I/O error on dev loop4, logical block 195, lost async page write print_req_error: I/O error, dev loop4, sector 196 Buffer I/O error on dev loop4, logical block 196, lost async page write print_req_error: I/O error, dev loop4, sector 197 Buffer I/O error on dev loop4, logical block 197, lost async page write print_req_error: I/O error, dev loop4, sector 198 Buffer I/O error on dev loop4, logical block 198, lost async page write print_req_error: I/O error, dev loop4, sector 199 Buffer I/O error on dev loop4, logical block 199, lost async page write kvm pmu: pin control bit is ignored kvm_pmu: event creation failed -2 rfkill: input handler disabled rfkill: input handler enabled sctp: [Deprecated]: syz-executor4 (pid 10781) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor4 (pid 10807) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead futex_wake_op: syz-executor5 tries to shift op by 4031; fix this program futex_wake_op: syz-executor5 tries to shift op by 4031; fix this program QAT: Invalid ioctl QAT: Invalid ioctl netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. IPv6: NLM_F_REPLACE set, but no existing node found! *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002051, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x000000000000fffa RIP = 0x000000000000220f RFLAGS=0x00023000 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0xeac0, attr=0x000f3, limit=0x0000ffff, base=0x00000000000eac00 DS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. IPv6: NLM_F_REPLACE set, but no existing node found! 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 = 0xffffffff811be573 RSP = 0xffff8801c7dd74c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007fd776ba0700 GSBase=ffff8801db500000 TRBase=ffff8801db523140 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001d7f61000 CR4=00000000001426e0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff85142970 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 = 0xffffffd11bf83e1d EPT pointer = 0x00000001d902701e Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable do_dccp_setsockopt: sockopt(CHANGE_L/R) is deprecated: fix your app Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable do_dccp_setsockopt: sockopt(CHANGE_L/R) is deprecated: fix your app kvm: vcpu 0: requested 68374 ns lapic timer period limited to 500000 ns kvm: vcpu 0: requested 68374 ns lapic timer period limited to 500000 ns device lo entered promiscuous mode Scheduler tracepoints stat_sleep, stat_iowait, stat_blocked and stat_runtime require the kernel parameter schedstats=enable or kernel.sched_schedstats=1 QAT: Invalid ioctl QAT: Invalid ioctl device lo entered promiscuous mode kauditd_printk_skb: 528 callbacks suppressed audit: type=1326 audit(1511356509.719:1340): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11233 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452879 code=0xffff0000 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl kvm [11276]: vcpu2, guest rIP: 0x9115 ignored wrmsr: 0x11e data 0x0 kvm [11276]: vcpu2, guest rIP: 0x9115 disabled perfctr wrmsr: 0xc2 data 0x0 kvm [11276]: vcpu2, guest rIP: 0x9115 disabled perfctr wrmsr: 0xc1 data 0x0 QAT: Invalid ioctl kvm [11276]: vcpu2, guest rIP: 0x9115 ignored wrmsr: 0x11e data 0x0 kvm [11276]: vcpu2, guest rIP: 0x9115 disabled perfctr wrmsr: 0xc2 data 0x0 QAT: Invalid ioctl kvm [11276]: vcpu2, guest rIP: 0x9115 disabled perfctr wrmsr: 0xc1 data 0x0 rfkill: input handler disabled device gre0 entered promiscuous mode rfkill: input handler enabled QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl pit: kvm: requested 4190 ns i8254 timer period limited to 500000 ns QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl nla_parse: 12 callbacks suppressed netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11811 comm=syz-executor6 QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11811 comm=syz-executor6 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl Option 'Q9z̧ƒh' to dns_resolver key: bad/missing value netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'.