============================= WARNING: suspicious RCU usage 4.14.151+ #0 Not tainted ----------------------------- ./include/linux/radix-tree.h:238 suspicious rcu_dereference_check() usage! syz-executor.4: other info that might help us debug this: vmalloc: allocation failure: 0 bytes rcu_scheduler_active = 2, debug_locks = 1 2 locks held by syz-executor.2/10885: #0: (&sb->s_type->i_mutex_key#10){+.+.}, at: [<000000008ec2fabb>] inode_lock include/linux/fs.h:724 [inline] #0: (&sb->s_type->i_mutex_key#10){+.+.}, at: [<000000008ec2fabb>] shmem_add_seals+0x12b/0xf80 mm/shmem.c:2831 #1: (&(&mapping->tree_lock)->rlock){-.-.}, at: [<000000004e75cc5c>] spin_lock_irq include/linux/spinlock.h:342 [inline] #1: (&(&mapping->tree_lock)->rlock){-.-.}, at: [<000000004e75cc5c>] shmem_tag_pins mm/shmem.c:2685 [inline] #1: (&(&mapping->tree_lock)->rlock){-.-.}, at: [<000000004e75cc5c>] shmem_wait_for_pins mm/shmem.c:2726 [inline] #1: (&(&mapping->tree_lock)->rlock){-.-.}, at: [<000000004e75cc5c>] shmem_add_seals+0x2e1/0xf80 mm/shmem.c:2843 stack backtrace: CPU: 1 PID: 10885 Comm: syz-executor.2 Not tainted 4.14.151+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 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 , mode:0x14000c0(GFP_KERNEL), nodemask= shmem_fcntl+0xea/0x120 mm/shmem.c:2878 do_fcntl+0x5c8/0xd20 fs/fcntl.c:421 (null) 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:00007fe3de3bfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000048 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 000000000000000e RSI: 0000000000000409 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe3de3c06d4 R13: 00000000004c0c3d R14: 00000000004d3820 R15: 00000000ffffffff CPU: 0 PID: 10892 Comm: syz-executor.4 Not tainted 4.14.151+ #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:00007f19db2d2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19db2d36d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff Mem-Info: active_anon:104349 inactive_anon:318 isolated_anon:0 active_file:25233 inactive_file:15793 isolated_file:0 unevictable:0 dirty:218 writeback:3 unstable:0 slab_reclaimable:6331 slab_unreclaimable:60836 mapped:59446 shmem:325 pagetables:1686 bounce:0 free:1365420 free_pcp:208 free_cma:0 Node 0 active_anon:428628kB inactive_anon:1264kB active_file:100932kB inactive_file:63184kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237784kB dirty:904kB writeback:92kB shmem:1300kB 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:2370612kB min:5480kB low:9000kB high:12520kB active_anon:428556kB inactive_anon:1268kB active_file:100932kB inactive_file:63184kB unevictable:0kB writepending:1012kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:5120kB pagetables:6828kB bounce:0kB free_pcp:792kB local_pcp:540kB 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: 28*4kB (UE) 16706*8kB (UME) 8572*16kB (UME) 5822*32kB (UME) 3023*64kB (UME) 752*128kB (UME) 102*256kB (UME) 28*512kB (UME) 12*1024kB (UE) 3*2048kB (UE) 382*4096kB (UM) = 2370496kB 41335 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.5: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 10917 Comm: syz-executor.5 Not tainted 4.14.151+ #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:00007ffa6dd32c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa6dd336d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff syz-executor.4: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 10937 Comm: syz-executor.4 Not tainted 4.14.151+ #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:00007f19db2d2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19db2d36d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff syz-executor.5: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 10948 Comm: syz-executor.5 Not tainted 4.14.151+ #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:00007ffa6dd32c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa6dd336d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff warn_alloc_show_mem: 2 callbacks suppressed Mem-Info: active_anon:103248 inactive_anon:317 isolated_anon:0 active_file:25233 inactive_file:15800 isolated_file:0 unevictable:0 dirty:230 writeback:0 unstable:0 slab_reclaimable:6333 slab_unreclaimable:60929 mapped:59421 shmem:324 pagetables:1738 bounce:0 free:1366319 free_pcp:276 free_cma:0 Node 0 active_anon:412992kB inactive_anon:1268kB active_file:100932kB inactive_file:63200kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237684kB dirty:920kB writeback:0kB shmem:1296kB 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:2385948kB min:5480kB low:9000kB high:12520kB active_anon:412868kB inactive_anon:1272kB active_file:100932kB inactive_file:63220kB unevictable:0kB writepending:884kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:4832kB pagetables:6868kB bounce:0kB free_pcp:1080kB local_pcp:444kB 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: 3444*4kB (UME) 16951*8kB (UME) 8573*16kB (UME) 5820*32kB (UME) 3023*64kB (UME) 752*128kB (UME) 102*256kB (UME) 28*512kB (UME) 12*1024kB (UE) 3*2048kB (UE) 382*4096kB (UM) = 2386072kB 41341 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.4: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 10950 Comm: syz-executor.4 Not tainted 4.14.151+ #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:00007f19db2d2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19db2d36d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff syz-executor.5: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 10963 Comm: syz-executor.5 Not tainted 4.14.151+ #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:00007ffa6dd32c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa6dd336d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:103407 inactive_anon:316 isolated_anon:0 active_file:25233 inactive_file:15814 isolated_file:0 unevictable:0 dirty:233 writeback:0 unstable:0 slab_reclaimable:6329 slab_unreclaimable:60994 mapped:59426 shmem:324 pagetables:1824 bounce:0 free:1366044 free_pcp:122 free_cma:0 Node 0 active_anon:413928kB inactive_anon:1264kB active_file:100932kB inactive_file:63256kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237704kB dirty:932kB writeback:0kB shmem:1296kB 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:2381724kB min:5480kB low:9000kB high:12520kB active_anon:416528kB inactive_anon:1264kB active_file:100932kB inactive_file:63256kB unevictable:0kB writepending:928kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:5120kB pagetables:7148kB bounce:0kB free_pcp:648kB local_pcp:212kB 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: 667*4kB (UME) 16955*8kB (UME) 8572*16kB (UME) 5796*32kB (UME) 3024*64kB (UME) 752*128kB (UME) 102*256kB (UME) 28*512kB (UME) 12*1024kB (UE) 3*2048kB (UE) 382*4096kB (UM) = 2374276kB 41350 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.4: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 10966 Comm: syz-executor.4 Not tainted 4.14.151+ #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:00007f19db2d2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19db2d36d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff syz-executor.0: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 10993 Comm: syz-executor.0 Not tainted 4.14.151+ #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:00007f44d8471c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44d84726d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff SELinux: mls: error reading level categories SELinux: failed to load policy syz-executor.4: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 11020 Comm: syz-executor.4 Not tainted 4.14.151+ #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:00007f19db2d2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19db2d36d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff warn_alloc_show_mem: 2 callbacks suppressed Mem-Info: active_anon:105287 inactive_anon:317 isolated_anon:0 active_file:25233 inactive_file:15823 isolated_file:0 unevictable:0 dirty:244 writeback:0 unstable:0 slab_reclaimable:6334 slab_unreclaimable:61129 mapped:59421 shmem:324 pagetables:1890 bounce:0 free:1363925 free_pcp:239 free_cma:0 Node 0 active_anon:421260kB inactive_anon:1268kB active_file:100932kB inactive_file:63292kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237684kB dirty:976kB writeback:4kB shmem:1296kB 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:2375356kB min:5480kB low:9000kB high:12520kB active_anon:421660kB inactive_anon:1268kB active_file:100932kB inactive_file:63292kB unevictable:0kB writepending:980kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:5184kB pagetables:7572kB bounce:0kB free_pcp:720kB 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: 880*4kB (UME) 16706*8kB (UME) 8570*16kB (UME) 5765*32kB (UME) 3023*64kB (UME) 753*128kB (UME) 102*256kB (UME) 28*512kB (UME) 12*1024kB (UE) 3*2048kB (UE) 382*4096kB (UM) = 2372176kB 41359 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.0: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 11021 Comm: syz-executor.0 Not tainted 4.14.151+ #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:00007f44d8471c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44d84726d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff SELinux: mls: error reading level categories SELinux: failed to load policy selinux_nlmsg_perm: 1365 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13314 sclass=netlink_route_socket pig=11057 comm=syz-executor.2 syz-executor.4: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 11088 Comm: syz-executor.4 Not tainted 4.14.151+ #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:00007f19db2d2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19db2d36d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:109799 inactive_anon:316 isolated_anon:0 active_file:25233 inactive_file:15830 isolated_file:0 unevictable:0 dirty:246 writeback:0 unstable:0 slab_reclaimable:6301 slab_unreclaimable:61100 mapped:59421 shmem:324 pagetables:1968 bounce:0 free:1359232 free_pcp:311 free_cma:0 Node 0 active_anon:439196kB inactive_anon:1264kB active_file:100932kB inactive_file:63320kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237684kB dirty:984kB writeback:0kB shmem:1296kB 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:2367904kB min:5480kB low:9000kB high:12520kB active_anon:428104kB inactive_anon:1264kB active_file:100932kB inactive_file:63320kB unevictable:0kB writepending:984kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:5408kB pagetables:7872kB bounce:0kB free_pcp:1112kB local_pcp:492kB 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: 1626*4kB (UME) 16494*8kB (UME) 8568*16kB (UME) 5753*32kB (UME) 3025*64kB (UME) 753*128kB (UME) 102*256kB (UME) 28*512kB (UME) 12*1024kB (UE) 3*2048kB (UE) 382*4096kB (UM) = 2373176kB 41371 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.4: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 11147 Comm: syz-executor.4 Not tainted 4.14.151+ #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:00007f19db2d2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19db2d36d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff Mem-Info: active_anon:106382 inactive_anon:318 isolated_anon:0 active_file:25233 inactive_file:15835 isolated_file:0 unevictable:0 dirty:248 writeback:0 unstable:0 slab_reclaimable:6276 slab_unreclaimable:61196 mapped:59446 shmem:324 pagetables:1976 bounce:0 free:1362549 free_pcp:234 free_cma:0 Node 0 active_anon:427160kB inactive_anon:1264kB active_file:100932kB inactive_file:63344kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237688kB dirty:996kB writeback:0kB shmem:1296kB 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:2365956kB min:5480kB low:9000kB high:12520kB active_anon:430452kB inactive_anon:1268kB active_file:100932kB inactive_file:63352kB unevictable:0kB writepending:996kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:5408kB pagetables:7960kB bounce:0kB free_pcp:796kB local_pcp:444kB 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: 113*4kB (UME) 16373*8kB (UME) 8567*16kB (UME) 5746*32kB (UME) 3025*64kB (UME) 753*128kB (UME) 102*256kB (UME) 28*512kB (UME) 12*1024kB (UE) 3*2048kB (UE) 382*4096kB (UM) = 2365916kB 41374 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB netlink: 57 bytes leftover after parsing attributes in process `syz-executor.0'. 1965979 pages RAM SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11195 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11195 comm=syz-executor.0 0 pages HighMem/MovableOnly SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11195 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11195 comm=syz-executor.0 315672 pages reserved SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11195 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11195 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11195 comm=syz-executor.0 syz-executor.4: vmalloc: allocation failure: 0 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 0 PID: 11228 Comm: syz-executor.4 Not tainted 4.14.151+ #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:00007f19db2d2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f19db2d36d4 R13: 00000000004cac50 R14: 00000000004e3180 R15: 00000000ffffffff Mem-Info: active_anon:107838 inactive_anon:317 isolated_anon:0 active_file:25233 inactive_file:15851 isolated_file:0 unevictable:0 dirty:256 writeback:0 unstable:0 slab_reclaimable:6305 slab_unreclaimable:61132 mapped:59446 shmem:324 pagetables:2007 bounce:0 free:1361131 free_pcp:240 free_cma:0 Node 0 active_anon:432176kB inactive_anon:1272kB active_file:100932kB inactive_file:63404kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:237684kB dirty:1024kB writeback:0kB shmem:1296kB 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:2359632kB min:5480kB low:9000kB high:12520kB active_anon:436876kB inactive_anon:1272kB active_file:100932kB inactive_file:63404kB unevictable:0kB writepending:1024kB present:4718592kB managed:3521556kB mlocked:0kB kernel_stack:5376kB pagetables:7968kB bounce:0kB free_pcp:756kB local_pcp:212kB 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: 63*4kB (UME) 15070*8kB (UME) 8563*16kB (UME) 5761*32kB (UME) 3025*64kB (UME) 753*128kB (UME) 102*256kB (UME) 28*512kB (UME) 12*1024kB (UE) 3*2048kB (UE) 382*4096kB (UM) = 2355708kB 41387 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 input: syz1 as /devices/virtual/input/input31 0 pages HighMem/MovableOnly 315672 pages reserved