============================= WARNING: suspicious RCU usage 4.14.152+ #0 Not tainted ----------------------------- ./include/linux/radix-tree.h:238 suspicious rcu_dereference_check() usage! other info that might help us debug this: syz-executor.2: rcu_scheduler_active = 2, debug_locks = 1 vmalloc: allocation failure: 0 bytes 2 locks held by syz-executor.4/5469: #0: (&sb->s_type->i_mutex_key#10){+.+.}, at: [<00000000e1d925b1>] inode_lock include/linux/fs.h:724 [inline] #0: (&sb->s_type->i_mutex_key#10){+.+.}, at: [<00000000e1d925b1>] shmem_add_seals+0x12b/0xf80 mm/shmem.c:2831 #1: (&(&mapping->tree_lock)->rlock){-.-.}, at: [<000000007d00b69d>] spin_lock_irq include/linux/spinlock.h:342 [inline] #1: (&(&mapping->tree_lock)->rlock){-.-.}, at: [<000000007d00b69d>] shmem_tag_pins mm/shmem.c:2685 [inline] #1: (&(&mapping->tree_lock)->rlock){-.-.}, at: [<000000007d00b69d>] shmem_wait_for_pins mm/shmem.c:2726 [inline] #1: (&(&mapping->tree_lock)->rlock){-.-.}, at: [<000000007d00b69d>] shmem_add_seals+0x2e1/0xf80 mm/shmem.c:2843 stack backtrace: CPU: 0 PID: 5469 Comm: syz-executor.4 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 , mode:0x14000c0(GFP_KERNEL), nodemask= radix_tree_deref_slot include/linux/radix-tree.h:238 [inline] shmem_tag_pins mm/shmem.c:2687 [inline] shmem_wait_for_pins mm/shmem.c:2726 [inline] shmem_add_seals+0x9d2/0xf80 mm/shmem.c:2843 shmem_fcntl+0xea/0x120 mm/shmem.c:2878 (null) do_fcntl+0x5c8/0xd20 fs/fcntl.c:421 SYSC_fcntl fs/fcntl.c:463 [inline] SyS_fcntl+0xc6/0x100 fs/fcntl.c:448 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd22b54fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000048 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000008 RSI: 0000000000000409 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd22b5506d4 R13: 00000000004c0c3d R14: 00000000004d3820 R15: 00000000ffffffff CPU: 1 PID: 5472 Comm: syz-executor.2 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd21a74cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21a74d6d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:107317 inactive_anon:38 isolated_anon:0 active_file:20202 inactive_file:24706 isolated_file:0 unevictable:0 dirty:297 writeback:0 unstable:0 slab_reclaimable:8340 slab_unreclaimable:59477 mapped:50794 shmem:47 pagetables:1266 bounce:0 free:1370457 free_pcp:219 free_cma:0 Node 0 active_anon:429268kB inactive_anon:152kB active_file:80808kB inactive_file:98824kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:203176kB dirty:1188kB writeback:0kB shmem:188kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no DMA32 free:3079672kB min:4792kB low:7868kB high:10944kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3437 3437 Normal free:2416392kB min:5480kB low:9000kB high:12520kB active_anon:415168kB inactive_anon:152kB active_file:80808kB inactive_file:98824kB unevictable:0kB writepending:1188kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:3488kB pagetables:4916kB bounce:0kB free_pcp:1416kB local_pcp:684kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 2*4kB (UM) 0*8kB 1*16kB (M) 1*32kB (U) 3*64kB (UM) 2*128kB (UM) 2*256kB (UM) 1*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 750*4096kB (M) = 3079672kB Normal: 8400*4kB (UM) 4040*8kB (UME) 2844*16kB (UME) 2309*32kB (UME) 678*64kB (UME) 193*128kB (UME) 93*256kB (UM) 53*512kB (UME) 39*1024kB (UME) 5*2048kB (UM) 517*4096kB (M) = 2472160kB 44950 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 315672 pages reserved syz-executor.2: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 5497 Comm: syz-executor.2 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd21a70ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21a70b6d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff kauditd_printk_skb: 174 callbacks suppressed audit: type=1400 audit(1573109396.617:54399): avc: denied { map } for pid=5581 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1573109396.617:54400): avc: denied { map } for pid=5581 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1573109396.627:54401): avc: denied { map } for pid=5582 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1573109396.627:54402): avc: denied { map } for pid=5583 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1573109396.627:54403): avc: denied { map } for pid=5583 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1573109396.637:54404): avc: denied { map } for pid=5584 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1573109396.647:54405): avc: denied { map } for pid=5585 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1573109396.647:54406): avc: denied { map } for pid=5585 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1573109396.657:54407): avc: denied { map } for pid=5586 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1573109396.667:54408): avc: denied { map } for pid=5587 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 syz-executor.2: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 5689 Comm: syz-executor.2 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd21a74cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21a74d6d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:80893 inactive_anon:40 isolated_anon:0 active_file:20202 inactive_file:24714 isolated_file:0 unevictable:0 dirty:307 writeback:0 unstable:0 slab_reclaimable:8312 slab_unreclaimable:59795 mapped:59496 shmem:47 pagetables:1302 bounce:0 free:1387810 free_pcp:144 free_cma:0 Node 0 active_anon:323672kB inactive_anon:160kB active_file:80808kB inactive_file:98856kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237984kB dirty:1228kB writeback:0kB shmem:188kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no DMA32 free:3079672kB min:4792kB low:7868kB high:10944kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3437 3437 Normal free:2471412kB min:5480kB low:9000kB high:12520kB active_anon:323584kB inactive_anon:160kB active_file:80808kB inactive_file:98856kB unevictable:0kB writepending:1228kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:3776kB pagetables:5204kB bounce:0kB free_pcp:772kB local_pcp:204kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 2*4kB (UM) 0*8kB 1*16kB (M) 1*32kB (U) 3*64kB (UM) 2*128kB (UM) 2*256kB (UM) 1*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 750*4096kB (M) = 3079672kB Normal: 9467*4kB (UME) 4749*8kB (UME) 3047*16kB (UME) 1864*32kB (UME) 679*64kB (UME) 194*128kB (UME) 92*256kB (UM) 54*512kB (UME) 39*1024kB (UME) 5*2048kB (UM) 517*4096kB (M) = 2471556kB 44958 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 315672 pages reserved syz-executor.3: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 5714 Comm: syz-executor.3 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007f1f81457c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1f814586d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff syz-executor.2: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 5732 Comm: syz-executor.2 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd21a74cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21a74d6d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff syz-executor.2: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 5732 Comm: syz-executor.2 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd21a74cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21a74d6d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff warn_alloc_show_mem: 2 callbacks suppressed Mem-Info: active_anon:81171 inactive_anon:42 isolated_anon:0 active_file:20202 inactive_file:24735 isolated_file:0 unevictable:0 dirty:42 writeback:0 unstable:0 slab_reclaimable:8312 slab_unreclaimable:59744 mapped:59510 shmem:47 pagetables:1358 bounce:0 free:1387580 free_pcp:259 free_cma:0 Node 0 active_anon:324612kB inactive_anon:160kB active_file:80808kB inactive_file:98944kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:238040kB dirty:192kB writeback:0kB shmem:188kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no DMA32 free:3079672kB min:4792kB low:7868kB high:10944kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3437 3437 Normal free:2471200kB min:5480kB low:9000kB high:12520kB active_anon:324620kB inactive_anon:160kB active_file:80808kB inactive_file:98948kB unevictable:0kB writepending:192kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:3648kB pagetables:5280kB bounce:0kB free_pcp:812kB local_pcp:192kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 2*4kB (UM) 0*8kB 1*16kB (M) 1*32kB (U) 3*64kB (UM) 2*128kB (UM) 2*256kB (UM) 1*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 750*4096kB (M) = 3079672kB Normal: 9270*4kB (UME) 4754*8kB (UME) 3049*16kB (UME) 1859*32kB (UME) 679*64kB (UME) 194*128kB (UME) 92*256kB (UM) 54*512kB (UME) 39*1024kB (UME) 5*2048kB (UM) 517*4096kB (M) = 2470680kB 44983 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 315672 pages reserved syz-executor.2: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 5760 Comm: syz-executor.2 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd21a74cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21a74d6d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff syz-executor.2: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 5785 Comm: syz-executor.2 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd21a72bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21a72c6d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff syz-executor.2: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 5816 Comm: syz-executor.2 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd21a74cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21a74d6d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff warn_alloc_show_mem: 2 callbacks suppressed Mem-Info: active_anon:82197 inactive_anon:38 isolated_anon:0 active_file:20202 inactive_file:24735 isolated_file:0 unevictable:0 dirty:93 writeback:0 unstable:0 slab_reclaimable:8304 slab_unreclaimable:59694 mapped:59521 shmem:47 pagetables:1336 bounce:0 free:1386436 free_pcp:247 free_cma:0 Node 0 active_anon:328888kB inactive_anon:152kB active_file:80808kB inactive_file:98940kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:238084kB dirty:372kB writeback:0kB shmem:188kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no DMA32 free:3079672kB min:4792kB low:7868kB high:10944kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3437 3437 Normal free:2466732kB min:5480kB low:9000kB high:12520kB active_anon:328864kB inactive_anon:156kB active_file:80824kB inactive_file:98948kB unevictable:0kB writepending:404kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:3648kB pagetables:5160kB bounce:0kB free_pcp:1108kB local_pcp:644kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 2*4kB (UM) 0*8kB 1*16kB (M) 1*32kB (U) 3*64kB (UM) 2*128kB (UM) 2*256kB (UM) 1*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 750*4096kB (M) = 3079672kB Normal: 8266*4kB (UME) 4759*8kB (UME) 3049*16kB (UME) 1857*32kB (UME) 679*64kB (UME) 195*128kB (UME) 92*256kB (UM) 54*512kB (UME) 39*1024kB (UME) 5*2048kB (UM) 517*4096kB (M) = 2466768kB 44987 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 315672 pages reserved syz-executor.2: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 5833 Comm: syz-executor.2 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd21a72bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21a72c6d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff kauditd_printk_skb: 229 callbacks suppressed audit: type=1400 audit(1573109401.737:54638): avc: denied { prog_load } for pid=5827 comm="syz-executor.5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 audit: type=1400 audit(1573109401.777:54639): avc: denied { map } for pid=5836 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1573109401.827:54640): avc: denied { syslog } for pid=5839 comm="syz-executor.2" capability=34 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 syz-executor.2: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 5842 Comm: syz-executor.2 Not tainted 4.14.152+ #0 audit: type=1400 audit(1573109401.857:54641): avc: denied { map } for pid=5844 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 audit: type=1400 audit(1573109401.857:54642): avc: denied { map } for pid=5844 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1573109401.887:54643): avc: denied { prog_load } for pid=5838 comm="syz-executor.3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 audit: type=1400 audit(1573109401.897:54644): avc: denied { prog_load } for pid=5850 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 RIP: 0033:0x45a219 RSP: 002b:00007fd21a76dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21a76e6d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff syz-executor.2: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 5842 Comm: syz-executor.2 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd21a76dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21a76e6d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff warn_alloc_show_mem: 2 callbacks suppressed Mem-Info: audit: type=1400 audit(1573109402.147:54645): avc: denied { map } for pid=5853 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 active_anon:85104 inactive_anon:40 isolated_anon:0 active_file:20202 inactive_file:24749 isolated_file:0 unevictable:0 dirty:106 writeback:0 unstable:0 slab_reclaimable:8304 slab_unreclaimable:59662 mapped:59506 shmem:47 pagetables:1357 bounce:0 free:1383737 free_pcp:238 free_cma:0 audit: type=1400 audit(1573109402.157:54646): avc: denied { syslog } for pid=5839 comm="syz-executor.2" capability=34 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 Node 0 active_anon:340420kB inactive_anon:156kB active_file:80808kB inactive_file:99000kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:238024kB dirty:436kB writeback:0kB shmem:188kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no audit: type=1400 audit(1573109402.167:54647): avc: denied { prog_load } for pid=5838 comm="syz-executor.3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 DMA32 free:3079672kB min:4792kB low:7868kB high:10944kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3437 3437 Normal free:2455008kB min:5480kB low:9000kB high:12520kB active_anon:340400kB inactive_anon:152kB active_file:80808kB inactive_file:99024kB unevictable:0kB writepending:476kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:3712kB pagetables:5340kB bounce:0kB free_pcp:964kB local_pcp:460kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 2*4kB (UM) 0*8kB 1*16kB (M) 1*32kB (U) 3*64kB (UM) 2*128kB (UM) 2*256kB (UM) 1*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 750*4096kB (M) = 3079672kB Normal: 5281*4kB (UME) 4761*8kB (UME) 3055*16kB (UME) 1866*32kB (UME) 679*64kB (UME) 195*128kB (UME) 92*256kB (UM) 54*512kB (UME) 39*1024kB (UME) 5*2048kB (UM) 517*4096kB (M) = 2455228kB 45000 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 315672 pages reserved warn_alloc: 1 callbacks suppressed syz-executor.2: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 5949 Comm: syz-executor.2 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 warn_alloc.cold+0x91/0x1ab mm/page_alloc.c:3319 __vmalloc_node_range mm/vmalloc.c:1796 [inline] __vmalloc_node_range+0x3b5/0x6d0 mm/vmalloc.c:1756 __vmalloc_node mm/vmalloc.c:1825 [inline] __vmalloc_node_flags mm/vmalloc.c:1839 [inline] vmalloc+0x60/0x80 mm/vmalloc.c:1861 sel_write_load+0x199/0xfb0 security/selinux/selinuxfs.c:495 __vfs_write+0xf9/0x5a0 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fd21a70ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075c118 R08: 0000000000000000 R09: 0000000000000000