====================================================== WARNING: possible circular locking dependency detected 4.14.0-rc3+ #114 Not tainted ------------------------------------------------------ syz-executor3/8753 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-executor3/8753: #0: (&mm->mmap_sem){++++}, at: [] vm_mmap_pgoff+0x198/0x280 mm/util.c:331 stack backtrace: CPU: 1 PID: 8753 Comm: syz-executor3 Not tainted 4.14.0-rc3+ #114 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:00007f8c4f0edc08 EFLAGS: 00000216 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00000000007180b0 RCX: 00000000004520a9 RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020007000 RBP: 0000000000000086 R08: 0000000000000006 R09: 0000000000000000 R10: 0000000000000032 R11: 0000000000000216 R12: 0000000000000000 R13: 0000000000a6f7ef R14: 00007f8c4f0ee9c0 R15: 000000000000000c QAT: Invalid ioctl QAT: Invalid ioctl nla_parse: 4 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. sock: process `syz-executor0' is using obsolete getsockopt SO_BSDCOMPAT device syz5 left promiscuous mode SELinux: unrecognized netlink message: protocol=9 nlmsg_type=257 sclass=netlink_audit_socket pig=9044 comm=syz-executor2 QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=9 nlmsg_type=257 sclass=netlink_audit_socket pig=9063 comm=syz-executor2 QAT: Invalid ioctl sctp: [Deprecated]: syz-executor7 (pid 9167) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor7 (pid 9167) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor4 (pid 9186) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor7 (pid 9181) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor4 (pid 9186) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 9204 Comm: syz-executor6 Not tainted 4.14.0-rc3+ #114 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 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_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3649 __alloc_skb+0xf1/0x740 net/core/skbuff.c:194 alloc_skb include/linux/skbuff.h:976 [inline] alloc_skb_with_frags+0x10d/0x710 net/core/skbuff.c:5137 sock_alloc_send_pskb+0x787/0x9b0 net/core/sock.c:2073 tun_alloc_skb drivers/net/tun.c:1195 [inline] tun_get_user+0x83a/0x2150 drivers/net/tun.c:1471 tun_chr_write_iter+0xde/0x190 drivers/net/tun.c:1579 call_write_iter include/linux/fs.h:1770 [inline] new_sync_write fs/read_write.c:468 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:481 vfs_write+0x18f/0x510 fs/read_write.c:543 SYSC_write fs/read_write.c:588 [inline] SyS_write+0xef/0x220 fs/read_write.c:580 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x40c341 RSP: 002b:00007f7499d40c10 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 000000000040c341 RDX: 0000000000002255 RSI: 0000000020f6b000 RDI: 0000000000000015 RBP: 0000000020f6b91f R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000f4240 R11: 0000000000000293 R12: 0000000000002255 R13: 0000000000000005 R14: 0000000000002255 R15: 0000000020f6b000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9221 Comm: syz-executor6 Not tainted 4.14.0-rc3+ #114 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 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_node mm/slab.c:3304 [inline] kmem_cache_alloc_node_trace+0x5a/0x760 mm/slab.c:3668 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3703 __kmalloc_reserve.isra.40+0x41/0xd0 net/core/skbuff.c:138 __alloc_skb+0x13b/0x740 net/core/skbuff.c:206 alloc_skb include/linux/skbuff.h:976 [inline] alloc_skb_with_frags+0x10d/0x710 net/core/skbuff.c:5137 sock_alloc_send_pskb+0x787/0x9b0 net/core/sock.c:2073 tun_alloc_skb drivers/net/tun.c:1195 [inline] tun_get_user+0x83a/0x2150 drivers/net/tun.c:1471 tun_chr_write_iter+0xde/0x190 drivers/net/tun.c:1579 call_write_iter include/linux/fs.h:1770 [inline] new_sync_write fs/read_write.c:468 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:481 vfs_write+0x18f/0x510 fs/read_write.c:543 SYSC_write fs/read_write.c:588 [inline] SyS_write+0xef/0x220 fs/read_write.c:580 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x40c341 RSP: 002b:00007f7499d40c10 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 000000000040c341 RDX: 0000000000002255 RSI: 0000000020f6b000 RDI: 0000000000000015 RBP: 00007f7499d40a10 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000f4240 R11: 0000000000000293 R12: 00000000004b6c37 R13: 00007f7499d40b48 R14: 00000000004b6c47 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 9230 Comm: syz-executor6 Not tainted 4.14.0-rc3+ #114 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2897 [inline] prepare_alloc_pages mm/page_alloc.c:4152 [inline] __alloc_pages_nodemask+0x338/0xd80 mm/page_alloc.c:4191 __alloc_pages include/linux/gfp.h:469 [inline] __alloc_pages_node include/linux/gfp.h:482 [inline] kmem_getpages mm/slab.c:1415 [inline] cache_grow_begin+0x86/0x400 mm/slab.c:2683 cache_alloc_refill mm/slab.c:3050 [inline] ____cache_alloc mm/slab.c:3132 [inline] slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node_trace+0x438/0x760 mm/slab.c:3668 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3703 __kmalloc_reserve.isra.40+0x41/0xd0 net/core/skbuff.c:138 __alloc_skb+0x13b/0x740 net/core/skbuff.c:206 alloc_skb include/linux/skbuff.h:976 [inline] alloc_skb_with_frags+0x10d/0x710 net/core/skbuff.c:5137 sock_alloc_send_pskb+0x787/0x9b0 net/core/sock.c:2073 tun_alloc_skb drivers/net/tun.c:1195 [inline] tun_get_user+0x83a/0x2150 drivers/net/tun.c:1471 tun_chr_write_iter+0xde/0x190 drivers/net/tun.c:1579 call_write_iter include/linux/fs.h:1770 [inline] new_sync_write fs/read_write.c:468 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:481 vfs_write+0x18f/0x510 fs/read_write.c:543 SYSC_write fs/read_write.c:588 [inline] SyS_write+0xef/0x220 fs/read_write.c:580 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x40c341 RSP: 002b:00007f7499d40c10 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 000000000040c341 RDX: 0000000000002255 RSI: 0000000020f6b000 RDI: 0000000000000015 RBP: 00007f7499d40a10 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000f4240 R11: 0000000000000293 R12: 00000000004b6c37 R13: 00007f7499d40b48 R14: 00000000004b6c47 R15: 0000000000000000 kvm [9242]: vcpu0, guest rIP: 0x912c Hyper-V uhandled wrmsr: 0x40000020 data 0x400 TCP: request_sock_TCP: Possible SYN flooding on port 20016. Sending cookies. Check SNMP counters. QAT: Invalid ioctl QAT: Invalid ioctl TCP: request_sock_TCP: Possible SYN flooding on port 20016. Sending cookies. Check SNMP counters. kauditd_printk_skb: 58 callbacks suppressed audit: type=1326 audit(1507138298.539:186): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9365 comm="syz-executor4" exe="/root/syz-executor4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0xffff0000 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=9381 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=9 sclass=netlink_route_socket pig=9393 comm=syz-executor3 netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=9403 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=9 sclass=netlink_route_socket pig=9393 comm=syz-executor3 audit: type=1326 audit(1507138298.597:187): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9365 comm="syz-executor4" exe="/root/syz-executor4" sig=9 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x0 audit: type=1326 audit(1507138298.696:188): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9365 comm="syz-executor4" exe="/root/syz-executor4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0xffff0000 device syz5 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl device syz5 left promiscuous mode device syz5 entered promiscuous mode netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. audit: type=1326 audit(1507138299.824:189): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9718 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138299.848:190): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9718 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=53 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138299.848:191): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9718 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138299.849:192): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9718 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=55 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138299.849:193): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9718 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138299.849:194): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9718 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=54 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138299.849:195): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9718 comm="syz-executor7" exe="/root/syz-executor7" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 netlink: 21 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 21 bytes leftover after parsing attributes in process `syz-executor4'. sctp: [Deprecated]: syz-executor5 (pid 9840) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor5 (pid 9840) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor5 (pid 9856) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor5 (pid 9881) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead loop_reread_partitions: partition scan of loop0 () failed (rc=-13) SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10089 comm=syz-executor1 nla_parse: 3 callbacks suppressed netlink: 11 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. RDS: rds_bind could not find a transport for 255.255.255.255, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 255.255.255.255, load rds_tcp or rds_rdma? netlink: 3865 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3865 bytes leftover after parsing attributes in process `syz-executor2'. sctp: [Deprecated]: syz-executor4 (pid 10380) Use of int in maxseg socket option. Use struct sctp_assoc_value instead netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. sctp: [Deprecated]: syz-executor4 (pid 10414) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10463 comm=syz-executor7 QAT: Invalid ioctl QAT: Invalid ioctl device gre0 entered promiscuous mode