====================================================== WARNING: possible circular locking dependency detected 4.14.0-rc2+ #111 Not tainted ------------------------------------------------------ *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002051, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x000000000000fffa RIP = 0x0000000000000000 RFLAGS=0x00033000 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 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 = 0xffffffff811ba093 RSP = 0xffff8801d172f4c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f453d551700 GSBase=ffff8801db200000 TRBase=ffff8801db2231c0 GDTBase=ffffffffff577000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001cacd1000 CR4=00000000001426f0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d4d330 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=00000001 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffe04fb8c68d5 EPT pointer = 0x00000001ce40401e netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. syz-executor3/10617 is trying to acquire lock: (event_mutex){+.+.}, at: [] perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:234 but task is already holding lock: (&mm->mmap_sem){++++}, at: [] vm_mmap_pgoff+0x198/0x280 mm/util.c:331 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #7 (&mm->mmap_sem){++++}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __might_fault+0x13a/0x1d0 mm/memory.c:4502 _copy_to_user+0x2c/0xc0 lib/usercopy.c:24 copy_to_user include/linux/uaccess.h:154 [inline] filldir+0x1a7/0x320 fs/readdir.c:196 dir_emit_dot include/linux/fs.h:3339 [inline] dir_emit_dots include/linux/fs.h:3350 [inline] dcache_readdir+0x12d/0x5e0 fs/libfs.c:192 iterate_dir+0x4b2/0x5d0 fs/readdir.c:51 SYSC_getdents fs/readdir.c:231 [inline] SyS_getdents+0x225/0x450 fs/readdir.c:212 entry_SYSCALL_64_fastpath+0x1f/0xbe -> #6 (&sb->s_type->i_mutex_key#5){++++}: down_write+0x87/0x120 kernel/locking/rwsem.c:53 inode_lock include/linux/fs.h:712 [inline] handle_create+0x30c/0x760 drivers/base/devtmpfs.c:218 handle drivers/base/devtmpfs.c:372 [inline] devtmpfsd+0x3b4/0x4b0 drivers/base/devtmpfs.c:398 kthread+0x39c/0x470 kernel/kthread.c:231 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431 -> #5 ((complete)&req.done){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 complete_acquire include/linux/completion.h:39 [inline] __wait_for_common kernel/sched/completion.c:108 [inline] wait_for_common kernel/sched/completion.c:122 [inline] wait_for_completion+0xcb/0x7b0 kernel/sched/completion.c:143 devtmpfs_create_node+0x32b/0x4a0 drivers/base/devtmpfs.c:114 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:181 cpuhp_thread_fun+0x48b/0x7e0 kernel/cpu.c:570 smpboot_thread_fn+0x450/0x7c0 kernel/smpboot.c:164 kthread+0x39c/0x470 kernel/kthread.c:231 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431 -> #4 (cpuhp_state-up){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 cpuhp_lock_acquire kernel/cpu.c:84 [inline] cpuhp_invoke_ap_callback kernel/cpu.c:604 [inline] cpuhp_issue_call+0x1e6/0x4b0 kernel/cpu.c:1484 __cpuhp_setup_state_cpuslocked+0x2c7/0x5f0 kernel/cpu.c:1631 __cpuhp_setup_state+0xb0/0x140 kernel/cpu.c:1660 cpuhp_setup_state include/linux/cpuhotplug.h:196 [inline] page_writeback_init+0x4d/0x71 mm/page-writeback.c:2082 pagecache_init+0x48/0x4f mm/filemap.c:871 start_kernel+0x6c1/0x754 init/main.c:690 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:377 x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:358 verify_cpu+0x0/0xfb -> #3 (cpuhp_state_mutex){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x19d0 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 __cpuhp_setup_state_cpuslocked+0x5b/0x5f0 kernel/cpu.c:1606 __cpuhp_setup_state+0xb0/0x140 kernel/cpu.c:1660 cpuhp_setup_state_nocalls include/linux/cpuhotplug.h:224 [inline] kvm_guest_init+0x1f3/0x20f arch/x86/kernel/kvm.c:489 setup_arch+0x1879/0x1a93 arch/x86/kernel/setup.c:1297 start_kernel+0xa5/0x754 init/main.c:530 x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:377 x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:358 verify_cpu+0x0/0xfb -> #2 (cpu_hotplug_lock.rw_sem){++++}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:35 [inline] percpu_down_read include/linux/percpu-rwsem.h:58 [inline] cpus_read_lock+0x42/0x90 kernel/cpu.c:292 static_key_slow_inc+0x9d/0x3c0 kernel/jump_label.c:123 tracepoint_add_func kernel/tracepoint.c:223 [inline] tracepoint_probe_register_prio+0x80d/0x9a0 kernel/tracepoint.c:283 tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:304 trace_event_reg+0x167/0x320 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x4ef/0xab0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8037 perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9262 perf_init_event kernel/events/core.c:9300 [inline] perf_event_alloc+0x1c5b/0x2a00 kernel/events/core.c:9559 SYSC_perf_event_open+0x84e/0x2e00 kernel/events/core.c:10014 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9900 entry_SYSCALL_64_fastpath+0x1f/0xbe -> #1 (tracepoints_mutex){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x19d0 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 tracepoint_probe_register_prio+0xa0/0x9a0 kernel/tracepoint.c:279 tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:304 trace_event_reg+0x167/0x320 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x4ef/0xab0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8037 perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9262 perf_init_event kernel/events/core.c:9300 [inline] perf_event_alloc+0x1c5b/0x2a00 kernel/events/core.c:9559 SYSC_perf_event_open+0x84e/0x2e00 kernel/events/core.c:10014 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9900 entry_SYSCALL_64_fastpath+0x1f/0xbe -> #0 (event_mutex){+.+.}: check_prev_add+0x865/0x1520 kernel/locking/lockdep.c:1894 check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x19d0 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:234 tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:8021 _free_event+0x41d/0x1170 kernel/events/core.c:4193 put_event+0x24/0x30 kernel/events/core.c:4276 perf_mmap_close+0x60d/0xf90 kernel/events/core.c:5224 remove_vma+0xb4/0x1b0 mm/mmap.c:172 remove_vma_list mm/mmap.c:2475 [inline] do_munmap+0x82a/0xdf0 mm/mmap.c:2714 mmap_region+0x59e/0x15a0 mm/mmap.c:1631 do_mmap+0x6a1/0xd50 mm/mmap.c:1468 do_mmap_pgoff include/linux/mm.h:2150 [inline] vm_mmap_pgoff+0x1de/0x280 mm/util.c:333 SYSC_mmap_pgoff mm/mmap.c:1518 [inline] SyS_mmap_pgoff+0x23b/0x5f0 mm/mmap.c:1476 SYSC_mmap arch/x86/kernel/sys_x86_64.c:99 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:90 entry_SYSCALL_64_fastpath+0x1f/0xbe other info that might help us debug this: Chain exists of: event_mutex --> &sb->s_type->i_mutex_key#5 --> &mm->mmap_sem Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&mm->mmap_sem); lock(&sb->s_type->i_mutex_key#5); lock(&mm->mmap_sem); lock(event_mutex); *** DEADLOCK *** 1 lock held by syz-executor3/10617: #0: (&mm->mmap_sem){++++}, at: [] vm_mmap_pgoff+0x198/0x280 mm/util.c:331 stack backtrace: CPU: 1 PID: 10617 Comm: syz-executor3 Not tainted 4.14.0-rc2+ #111 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 print_circular_bug+0x503/0x710 kernel/locking/lockdep.c:1259 check_prev_add+0x865/0x1520 kernel/locking/lockdep.c:1894 check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x19d0 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:234 tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:8021 _free_event+0x41d/0x1170 kernel/events/core.c:4193 put_event+0x24/0x30 kernel/events/core.c:4276 perf_mmap_close+0x60d/0xf90 kernel/events/core.c:5224 remove_vma+0xb4/0x1b0 mm/mmap.c:172 remove_vma_list mm/mmap.c:2475 [inline] do_munmap+0x82a/0xdf0 mm/mmap.c:2714 mmap_region+0x59e/0x15a0 mm/mmap.c:1631 do_mmap+0x6a1/0xd50 mm/mmap.c:1468 do_mmap_pgoff include/linux/mm.h:2150 [inline] vm_mmap_pgoff+0x1de/0x280 mm/util.c:333 SYSC_mmap_pgoff mm/mmap.c:1518 [inline] SyS_mmap_pgoff+0x23b/0x5f0 mm/mmap.c:1476 SYSC_mmap arch/x86/kernel/sys_x86_64.c:99 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:90 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007efc55323c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00000000007180b0 RCX: 00000000004520a9 RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020007000 RBP: 0000000000000086 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000032 R11: 0000000000000216 R12: 00000000004b7fd1 R13: 00000000ffffffff R14: 0000000020049000 R15: 0000000000001000 device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=4 nlmsg_type=5 sclass=netlink_tcpdiag_socket pig=10680 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pig=10694 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=128 sclass=netlink_tcpdiag_socket pig=10694 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=5 sclass=netlink_tcpdiag_socket pig=10702 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pig=10680 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=128 sclass=netlink_tcpdiag_socket pig=10680 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=38 sclass=netlink_audit_socket pig=10748 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=38 sclass=netlink_audit_socket pig=10758 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=22549 sclass=netlink_route_socket pig=10738 comm=syz-executor2 kvm [10787]: vcpu0, guest rIP: 0xfff0 disabled perfctr wrmsr: 0x186 data 0xa kvm [10787]: vcpu0, guest rIP: 0xfff0 disabled perfctr wrmsr: 0x186 data 0xa netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'. QAT: Invalid ioctl netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. kauditd_printk_skb: 46 callbacks suppressed audit: type=1326 audit(1506933053.082:12501): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11079 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1506933053.082:12502): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11079 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1506933053.082:12503): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11079 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=188 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1506933053.082:12504): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11079 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1506933053.082:12505): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11079 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1506933053.082:12506): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11079 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=285 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1506933053.083:12507): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11079 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1506933053.083:12508): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11079 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1506933053.083:12509): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11079 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=29 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1506933053.083:12510): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=11079 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable QAT: Invalid ioctl Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable 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 ?: renamed from sit0 selinux_nlmsg_perm: 3 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11399 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11455 comm=syz-executor5 nla_parse: 5 callbacks suppressed netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11494 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11534 comm=syz-executor5 syz-executor7: vmalloc: allocation failure: 16587630936 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0 CPU: 0 PID: 11504 Comm: syz-executor7 Not tainted 4.14.0-rc2+ #111 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254 __vmalloc_node_range+0x581/0x710 mm/vmalloc.c:1781 __vmalloc_node mm/vmalloc.c:1810 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:529 [inline] kvmalloc_array include/linux/mm.h:545 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:686 do_replace net/ipv4/netfilter/ip_tables.c:1130 [inline] do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1664 nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1255 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2799 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2960 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007f453d571c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004520a9 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000019 RBP: 00000000000030d0 R08: 0000000000000056 R09: 0000000000000000 R10: 0000000020c2c000 R11: 0000000000000216 R12: 00000000004b989a R13: 00000000ffffffff R14: 0000000000000017 R15: 000000000000541c warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:131947 inactive_anon:41 isolated_anon:0 active_file:5423 inactive_file:7844 isolated_file:0 unevictable:0 dirty:199 writeback:0 unstable:0 slab_reclaimable:8857 slab_unreclaimable:111493 mapped:22511 shmem:233 pagetables:895 bounce:0 free:1340819 free_pcp:372 free_cma:0 Node 0 active_anon:527788kB inactive_anon:164kB active_file:21692kB inactive_file:31376kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:90044kB dirty:796kB writeback:0kB shmem:932kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2886 6399 6399 Node 0 DMA32 free:2957304kB min:30408kB low:38008kB high:45608kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:40kB unevictable:0kB writepending:0kB present:3129332kB managed:2958156kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:852kB local_pcp:660kB free_cma:0kB lowmem_reserve[]: 0 0 3513 3513 Node 0 Normal free:2390064kB min:37008kB low:46260kB high:55512kB active_anon:527788kB inactive_anon:164kB active_file:21692kB inactive_file:58516kB unevictable:0kB writepending:796kB present:4718592kB managed:3597444kB mlocked:0kB kernel_stack:4672kB pagetables:3580kB bounce:0kB free_pcp:636kB local_pcp:320kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (M) 2*32kB (M) 4*64kB (UM) 3*128kB (UM) 3*256kB (M) 5*512kB (UM) 2*1024kB (UM) 3*2048kB (UM) 719*4096kB (M) = 2957304kB Node 0 Normal: 542*4kB (UE) 967*8kB (UME) 933*16kB (UME) 1074*32kB (UME) 1239*64kB (UME) 702*128kB (UME) 428*256kB (UME) 116*512kB (UME) 74*1024kB (UME) 6*2048kB (UM) 465*4096kB (UM) = 2390016kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 13499 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 323102 pages reserved syz-executor7: vmalloc: allocation failure: 16587630936 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0 CPU: 0 PID: 11504 Comm: syz-executor7 Not tainted 4.14.0-rc2+ #111 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254 __vmalloc_node_range+0x581/0x710 mm/vmalloc.c:1781 __vmalloc_node mm/vmalloc.c:1810 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:529 [inline] kvmalloc_array include/linux/mm.h:545 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:686 do_replace net/ipv4/netfilter/ip_tables.c:1130 [inline] do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1664 nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1255 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2799 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2960 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007f453d571c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004520a9 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 000000000000001f RBP: 0000000000000590 R08: 0000000000000056 R09: 0000000000000000 R10: 0000000020c2c000 R11: 0000000000000216 R12: 00000000004b7548 R13: 00000000ffffffff R14: 000000000000001b R15: 000000000000001c PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex device syz3 left promiscuous mode netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. tmpfs: No value for mount option 'ñ' tmpfs: No value for mount option 'ñ' device gre0 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=0 nlmsg_type=8 sclass=netlink_route_socket pig=12182 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=8 sclass=netlink_route_socket pig=12184 comm=syz-executor3 QAT: Invalid ioctl QAT: Invalid ioctl device gre0 entered promiscuous mode FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kvm [12348]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x4000008f data 0xf3febcd9006f kvm [12348]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x4000008e data 0xf3febcd9006f kvm [12348]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x4000008d data 0xf3febcd9006f kvm [12348]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x4000008c data 0xf3febcd9006f kvm [12348]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x4000008b data 0xf3febcd9006f kvm [12348]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x4000008a data 0xf3febcd9006f kvm [12348]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x40000089 data 0xf3febcd9006f kvm [12348]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x40000088 data 0xf3febcd9006f kvm [12348]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x40000087 data 0xf3febcd9006f kvm [12348]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x40000086 data 0xf3febcd9006f kvm [12348]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x40000020 data 0xf3febcd900de CPU: 1 PID: 12360 Comm: syz-executor2 Not tainted 4.14.0-rc2+ #111 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 kvm [12393]: vcpu1, guest rIP: 0x9117 Hyper-V uhandled wrmsr: 0x40000020 data 0xf3febcd900de fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3559 getname_flags+0xcb/0x580 fs/namei.c:137 getname+0x19/0x20 fs/namei.c:208 do_sys_open+0x2e7/0x6d0 fs/open.c:1053 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007fb9ab496c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00000000007180b0 RCX: 00000000004520a9 RDX: 0000000000000000 RSI: 0008001000141046 RDI: 0000000020000000 RBP: 00007fb9ab496a10 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b6c37 R13: 00007fb9ab496b48 R14: 00000000004b6c47 R15: 0000000000000000 netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor0'. kvm: pic: non byte write kvm: pic: single mode not supported netlink: 5 bytes leftover after parsing attributes in process `syz-executor0'. kvm: pic: non byte write kvm: pic: single mode not supported kauditd_printk_skb: 27 callbacks suppressed audit: type=1326 audit(1506933059.854:12538): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=12853 comm="syz-executor0" exe="/root/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0xffff0000