00040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/de\n/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 618.466011] 9pnet_virtio: no channels available for device /de [ 618.466011] /zero [ 618.484638] 9pnet_virtio: no channels available for device /de [ 618.484638] /zero [ 618.513740] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 618.531679] SELinux: failed to load policy [ 618.548384] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 618.559669] SELinux: failed to load policy 01:50:04 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fd, 0x400000000000) 01:50:04 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x101080, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f0000000080)) lseek(r0, 0x0, 0x100000000000000) 01:50:04 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) syz_open_dev$rtc(&(0x7f00000000c0)='/dev/rtc#\x00', 0x9, 0x40) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r1 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x10000, 0x4000) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) getrandom(&(0x7f0000000200), 0x0, 0x2) getsockopt$packet_buf(r1, 0x107, 0x6, &(0x7f0000000040)=""/12, &(0x7f0000000080)=0xc) 01:50:04 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:04 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/de%/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:50:04 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x6000000000000000) [ 618.950082] 9pnet_virtio: no channels available for device /dev/zero [ 618.972993] 9pnet_virtio: no channels available for device /dev/zero [ 619.139895] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 619.160208] syz-executor3 cpuset=syz3 mems_allowed=0 [ 619.165989] CPU: 1 PID: 32044 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 619.173315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 619.182677] Call Trace: [ 619.185473] dump_stack+0x1c4/0x2b4 [ 619.189148] ? dump_stack_print_info.cold.2+0x52/0x52 [ 619.194381] ? kasan_check_read+0x11/0x20 [ 619.198561] warn_alloc.cold.119+0xb7/0x1bd [ 619.202914] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 619.207787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 619.213373] __vmalloc_node_range+0x472/0x750 [ 619.217901] ? graph_lock+0x170/0x170 [ 619.221715] ? __lock_is_held+0xb5/0x140 [ 619.225809] ? sel_write_load+0x1d1/0x460 [ 619.230006] vmalloc+0x6f/0x80 [ 619.233219] ? sel_write_load+0x1d1/0x460 [ 619.237403] sel_write_load+0x1d1/0x460 [ 619.241404] __vfs_write+0x119/0x9f0 [ 619.245143] ? check_preemption_disabled+0x48/0x200 [ 619.250182] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 619.255123] ? kernel_read+0x120/0x120 [ 619.259026] ? __lock_is_held+0xb5/0x140 [ 619.263105] ? rcu_read_lock_sched_held+0x108/0x120 [ 619.268131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 619.273676] ? __sb_start_write+0x1b2/0x370 [ 619.278012] vfs_write+0x1fc/0x560 [ 619.281566] ksys_write+0x101/0x260 [ 619.285220] ? __ia32_sys_read+0xb0/0xb0 [ 619.289304] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 619.294767] __x64_sys_write+0x73/0xb0 [ 619.298662] do_syscall_64+0x1b9/0x820 [ 619.302553] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 619.307923] ? syscall_return_slowpath+0x5e0/0x5e0 [ 619.312857] ? trace_hardirqs_on_caller+0x310/0x310 [ 619.317880] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 619.322910] ? recalc_sigpending_tsk+0x180/0x180 [ 619.327667] ? kasan_check_write+0x14/0x20 [ 619.331916] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 619.336788] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 619.341980] RIP: 0033:0x457679 [ 619.345181] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 619.364092] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 619.371804] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 619.379075] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 01:50:05 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:05 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x12d, 0x400000000000) [ 619.386348] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 619.393621] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 619.400904] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 619.563562] warn_alloc_show_mem: 1 callbacks suppressed [ 619.563568] Mem-Info: [ 619.590588] active_anon:1242465 inactive_anon:368 isolated_anon:0 [ 619.590588] active_file:281 inactive_file:855 isolated_file:93 [ 619.590588] unevictable:9387 dirty:15 writeback:0 unstable:0 [ 619.590588] slab_reclaimable:19194 slab_unreclaimable:123697 [ 619.590588] mapped:54767 shmem:385 pagetables:67416 bounce:0 [ 619.590588] free:25049 free_pcp:0 free_cma:0 [ 619.711675] Node 0 active_anon:4969892kB inactive_anon:1468kB active_file:1976kB inactive_file:3876kB unevictable:37548kB isolated(anon):0kB isolated(file):216kB mapped:219980kB dirty:68kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4368384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 619.791320] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 619.827748] 9pnet_virtio: no channels available for device /dev/zero [ 619.866665] 9pnet_virtio: no channels available for device /dev/zero [ 619.879145] lowmem_reserve[]: 0 2817 6321 6321 [ 619.890556] Node 0 DMA32 free:46644kB min:30048kB low:37560kB high:45072kB active_anon:2605276kB inactive_anon:0kB active_file:1452kB inactive_file:876kB unevictable:0kB writepending:60kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43168kB pagetables:37668kB bounce:0kB free_pcp:172kB local_pcp:16kB free_cma:0kB [ 619.983267] lowmem_reserve[]: 0 0 3503 3503 01:50:05 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:05 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x7a, 0x400000000000) 01:50:05 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="153f6234488dd25d766070b7df36578df86f15ebc6d2cdb5b2403afb2ccec03fe817092ab8c5b9960d21e8b1c246ffeadf7f49f30a57a947308e824f84b58f81907fff11d33964ba565968e26409d8591c3557636aebe3fcbab7e6ae85a4cb1f1d5d05274988f3066367060285cc03a037351afab075fbe40b") getrandom(&(0x7f0000000200), 0x0, 0x2) [ 620.012091] Node 0 Normal free:36972kB min:37364kB low:46704kB high:56044kB active_anon:2364616kB inactive_anon:1468kB active_file:1212kB inactive_file:2032kB unevictable:37548kB writepending:8kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:94880kB pagetables:232404kB bounce:0kB free_pcp:1168kB local_pcp:416kB free_cma:0kB [ 620.111545] lowmem_reserve[]: 0 0 0 0 [ 620.131527] 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 [ 620.182240] Node 0 DMA32: 109*4kB (UM) 109*8kB (UM) 431*16kB (UME) 260*32kB (UME) 82*64kB (UME) 32*128kB (UM) 16*256kB (M) 20*512kB (UME) 4*1024kB (U) 0*2048kB 0*4096kB = 44300kB [ 620.204955] Node 0 Normal: 1331*4kB (MH) 1595*8kB (UMEH) 720*16kB (UMH) 217*32kB (UMEH) 5*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36996kB [ 620.225965] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 620.235593] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 620.246091] 6224 total pagecache pages [ 620.251003] 0 pages in swap cache [ 620.255001] Swap cache stats: add 0, delete 0, find 0/0 [ 620.261117] Free swap = 0kB [ 620.265272] Total swap = 0kB [ 620.268935] 1965979 pages RAM [ 620.282438] 0 pages HighMem/MovableOnly [ 620.314322] 342745 pages reserved [ 620.349293] 0 pages cma reserved [ 620.358849] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 620.420291] syz-executor3 cpuset=syz3 mems_allowed=0 [ 620.425519] CPU: 1 PID: 32051 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 620.432814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 620.442193] Call Trace: [ 620.444815] dump_stack+0x1c4/0x2b4 [ 620.448478] ? dump_stack_print_info.cold.2+0x52/0x52 [ 620.453698] ? kasan_check_read+0x11/0x20 [ 620.457882] warn_alloc.cold.119+0xb7/0x1bd [ 620.462226] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 620.467118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 620.472713] __vmalloc_node_range+0x472/0x750 [ 620.477233] ? graph_lock+0x170/0x170 [ 620.479359] 9pnet_virtio: no channels available for device /de%/zero [ 620.481050] ? __lock_is_held+0xb5/0x140 [ 620.481072] ? sel_write_load+0x1d1/0x460 [ 620.481093] vmalloc+0x6f/0x80 [ 620.481111] ? sel_write_load+0x1d1/0x460 [ 620.481132] sel_write_load+0x1d1/0x460 [ 620.493912] 9pnet_virtio: no channels available for device /de%/zero [ 620.495841] __vfs_write+0x119/0x9f0 [ 620.495859] ? check_preemption_disabled+0x48/0x200 [ 620.495877] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 620.495897] ? kernel_read+0x120/0x120 [ 620.531232] ? __lock_is_held+0xb5/0x140 [ 620.535338] ? rcu_read_lock_sched_held+0x108/0x120 [ 620.540380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 620.545935] ? __sb_start_write+0x1b2/0x370 [ 620.550279] vfs_write+0x1fc/0x560 [ 620.553848] ksys_write+0x101/0x260 [ 620.557507] ? __ia32_sys_read+0xb0/0xb0 [ 620.561585] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 620.567148] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 620.572617] ? ksys_ioctl+0x81/0xd0 [ 620.576270] __x64_sys_write+0x73/0xb0 [ 620.580183] do_syscall_64+0x1b9/0x820 [ 620.584090] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 620.589483] ? syscall_return_slowpath+0x5e0/0x5e0 [ 620.594456] ? trace_hardirqs_on_caller+0x310/0x310 [ 620.599502] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 620.604538] ? recalc_sigpending_tsk+0x180/0x180 [ 620.609327] ? kasan_check_write+0x14/0x20 [ 620.613600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 620.618484] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 620.619542] 9pnet_virtio: no channels available for device /dev/zero [ 620.623696] RIP: 0033:0x457679 [ 620.623714] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 620.623725] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 620.623751] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 620.652389] 9pnet_virtio: no channels available for device /dev/zero [ 620.660086] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 620.660097] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 620.660107] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 620.660117] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 620.682777] Mem-Info: [ 620.735185] active_anon:1242572 inactive_anon:367 isolated_anon:0 [ 620.735185] active_file:231 inactive_file:440 isolated_file:32 [ 620.735185] unevictable:9387 dirty:23 writeback:0 unstable:0 [ 620.735185] slab_reclaimable:19293 slab_unreclaimable:123590 [ 620.735185] mapped:54387 shmem:385 pagetables:67573 bounce:0 [ 620.735185] free:24813 free_pcp:835 free_cma:0 [ 620.794708] Node 0 active_anon:4970288kB inactive_anon:1468kB active_file:2224kB inactive_file:2908kB unevictable:37548kB isolated(anon):0kB isolated(file):128kB mapped:219348kB dirty:92kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4368384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 620.844532] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 620.873846] lowmem_reserve[]: 0 2817 6321 6321 [ 620.878819] Node 0 DMA32 free:45984kB min:30048kB low:37560kB high:45072kB active_anon:2605500kB inactive_anon:0kB active_file:1000kB inactive_file:492kB unevictable:0kB writepending:36kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43200kB pagetables:37820kB bounce:0kB free_pcp:640kB local_pcp:0kB free_cma:0kB [ 620.909636] lowmem_reserve[]: 0 0 3503 3503 [ 620.915508] Node 0 Normal free:37252kB min:37364kB low:46704kB high:56044kB active_anon:2364788kB inactive_anon:1468kB active_file:356kB inactive_file:2204kB unevictable:37548kB writepending:56kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:94880kB pagetables:232472kB bounce:0kB free_pcp:1148kB local_pcp:168kB free_cma:0kB [ 620.950906] lowmem_reserve[]: 0 0 0 0 [ 620.957314] 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 [ 620.973250] Node 0 DMA32: 27*4kB (UME) 76*8kB (UME) 423*16kB (UME) 290*32kB (UME) 82*64kB (UME) 32*128kB (UM) 16*256kB (M) 20*512kB (UME) 4*1024kB (U) 0*2048kB 0*4096kB = 44540kB [ 620.991126] Node 0 Normal: 1249*4kB (MEH) 1596*8kB (UMEH) 737*16kB (UMEH) 223*32kB (UMEH) 5*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37140kB [ 621.018491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 621.028850] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 01:50:06 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x100000000, &(0x7f0000000000)="153f6299ba1252e8bb89ce4e72b46d06488d475d0de22ca65a947dea60092d506762bb5b6db50f126a9413e9ac6246") getrandom(&(0x7f0000000200), 0x0, 0x2) 01:50:06 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:06 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev\nzero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:50:07 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x129, 0x400000000000) [ 621.063317] 6648 total pagecache pages [ 621.072470] 0 pages in swap cache [ 621.075949] Swap cache stats: add 0, delete 0, find 0/0 [ 621.082694] Free swap = 0kB [ 621.088934] Total swap = 0kB [ 621.093888] 1965979 pages RAM [ 621.104088] 0 pages HighMem/MovableOnly [ 621.112983] 342745 pages reserved [ 621.117345] 0 pages cma reserved [ 621.145617] 9pnet_virtio: no channels available for device /dev/zero [ 621.203908] 9pnet_virtio: no channels available for device /dev/zero [ 621.345068] 9pnet_virtio: no channels available for device /dev [ 621.345068] zero [ 621.396858] 9pnet_virtio: no channels available for device /dev [ 621.396858] zero [ 621.527945] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:50:07 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x107, 0x400000000000) 01:50:07 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000000)=0x2, 0x4) lseek(r0, 0x0, 0x100000000000000) [ 621.858917] SELinux: failed to load policy [ 622.016365] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 622.030770] syz-executor3 cpuset=syz3 mems_allowed=0 [ 622.046741] CPU: 1 PID: 32099 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 622.054044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 622.063421] Call Trace: [ 622.066053] dump_stack+0x1c4/0x2b4 [ 622.069710] ? dump_stack_print_info.cold.2+0x52/0x52 [ 622.074930] ? kasan_check_read+0x11/0x20 [ 622.079114] warn_alloc.cold.119+0xb7/0x1bd [ 622.083479] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 622.088359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 622.093964] __vmalloc_node_range+0x472/0x750 [ 622.098508] ? graph_lock+0x170/0x170 [ 622.102322] ? __lock_is_held+0xb5/0x140 [ 622.106395] ? sel_write_load+0x1d1/0x460 [ 622.110555] vmalloc+0x6f/0x80 [ 622.113755] ? sel_write_load+0x1d1/0x460 [ 622.117929] sel_write_load+0x1d1/0x460 [ 622.121925] __vfs_write+0x119/0x9f0 [ 622.125644] ? check_preemption_disabled+0x48/0x200 [ 622.130672] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 622.135618] ? kernel_read+0x120/0x120 [ 622.139520] ? __lock_is_held+0xb5/0x140 [ 622.143609] ? rcu_read_lock_sched_held+0x108/0x120 [ 622.148643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 622.154186] ? __sb_start_write+0x1b2/0x370 [ 622.158521] vfs_write+0x1fc/0x560 [ 622.162078] ksys_write+0x101/0x260 [ 622.165733] ? __ia32_sys_read+0xb0/0xb0 [ 622.169811] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 622.175277] __x64_sys_write+0x73/0xb0 [ 622.179181] do_syscall_64+0x1b9/0x820 [ 622.183081] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 622.188462] ? syscall_return_slowpath+0x5e0/0x5e0 [ 622.193409] ? trace_hardirqs_on_caller+0x310/0x310 [ 622.198442] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 622.203486] ? recalc_sigpending_tsk+0x180/0x180 [ 622.208274] ? kasan_check_write+0x14/0x20 [ 622.212556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 622.217430] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 622.222633] RIP: 0033:0x457679 [ 622.225833] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 622.244737] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 622.252461] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 622.259737] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 622.267017] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 622.274293] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 622.281565] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 622.307086] Mem-Info: [ 622.310928] active_anon:1242635 inactive_anon:367 isolated_anon:0 [ 622.310928] active_file:463 inactive_file:1114 isolated_file:32 [ 622.310928] unevictable:9387 dirty:18 writeback:0 unstable:0 [ 622.310928] slab_reclaimable:19344 slab_unreclaimable:123336 [ 622.310928] mapped:55096 shmem:385 pagetables:67621 bounce:0 [ 622.310928] free:24393 free_pcp:23 free_cma:0 [ 622.348618] Node 0 active_anon:4970540kB inactive_anon:1468kB active_file:2016kB inactive_file:2136kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:218884kB dirty:72kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4368384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 622.415749] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 622.471923] lowmem_reserve[]: 0 2817 6321 6321 [ 622.516059] Node 0 DMA32 free:44424kB min:30048kB low:37560kB high:45072kB active_anon:2605756kB inactive_anon:0kB active_file:460kB inactive_file:808kB unevictable:0kB writepending:24kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43424kB pagetables:37912kB bounce:0kB free_pcp:1700kB local_pcp:432kB free_cma:0kB [ 622.556703] lowmem_reserve[]: 0 0 3503 3503 [ 622.574871] Node 0 Normal free:37016kB min:37364kB low:46704kB high:56044kB active_anon:2364764kB inactive_anon:1468kB active_file:152kB inactive_file:1920kB unevictable:37548kB writepending:52kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:94880kB pagetables:232564kB bounce:0kB free_pcp:2252kB local_pcp:568kB free_cma:0kB [ 622.606032] lowmem_reserve[]: 0 0 0 0 [ 622.610215] 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 [ 622.624272] Node 0 DMA32: 253*4kB (UM) 155*8kB (UME) 355*16kB (UME) 321*32kB (UME) 83*64kB (UME) 32*128kB (UM) 16*256kB (M) 20*512kB (UME) 4*1024kB (U) 0*2048kB 0*4096kB = 46044kB [ 622.641010] Node 0 Normal: 1633*4kB (MEH) 1596*8kB (UMEH) 711*16kB (UMH) 218*32kB (UMEH) 5*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 38100kB [ 622.657125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 622.666549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 622.676354] 6016 total pagecache pages [ 622.680600] 0 pages in swap cache [ 622.684080] Swap cache stats: add 0, delete 0, find 0/0 [ 622.697202] Free swap = 0kB [ 622.701137] Total swap = 0kB [ 622.706417] 1965979 pages RAM [ 622.715953] 0 pages HighMem/MovableOnly [ 622.720585] 342745 pages reserved [ 622.725317] 0 pages cma reserved [ 622.733698] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 622.762776] SELinux: failed to load policy [ 622.771770] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 622.782861] syz-executor3 cpuset=syz3 mems_allowed=0 [ 622.790826] CPU: 0 PID: 32101 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 622.798126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 622.807492] Call Trace: [ 622.810105] dump_stack+0x1c4/0x2b4 [ 622.813748] ? dump_stack_print_info.cold.2+0x52/0x52 [ 622.818954] ? kasan_check_read+0x11/0x20 [ 622.823119] warn_alloc.cold.119+0xb7/0x1bd [ 622.827463] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 622.832328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 622.837921] __vmalloc_node_range+0x472/0x750 [ 622.842430] ? graph_lock+0x170/0x170 [ 622.846250] ? __lock_is_held+0xb5/0x140 [ 622.850321] ? sel_write_load+0x1d1/0x460 [ 622.854509] vmalloc+0x6f/0x80 [ 622.857708] ? sel_write_load+0x1d1/0x460 [ 622.861863] sel_write_load+0x1d1/0x460 [ 622.865850] __vfs_write+0x119/0x9f0 [ 622.869574] ? check_preemption_disabled+0x48/0x200 [ 622.874597] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 622.879542] ? kernel_read+0x120/0x120 [ 622.883452] ? __lock_is_held+0xb5/0x140 [ 622.887544] ? rcu_read_lock_sched_held+0x108/0x120 [ 622.892569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 622.898109] ? __sb_start_write+0x1b2/0x370 [ 622.902453] vfs_write+0x1fc/0x560 [ 622.906013] ksys_write+0x101/0x260 [ 622.909659] ? __ia32_sys_read+0xb0/0xb0 [ 622.913733] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 622.919200] __x64_sys_write+0x73/0xb0 [ 622.923107] do_syscall_64+0x1b9/0x820 [ 622.927000] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 622.932377] ? syscall_return_slowpath+0x5e0/0x5e0 [ 622.937318] ? trace_hardirqs_on_caller+0x310/0x310 [ 622.942345] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 622.947366] ? recalc_sigpending_tsk+0x180/0x180 [ 622.952133] ? kasan_check_write+0x14/0x20 [ 622.956388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 622.961254] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 622.966475] RIP: 0033:0x457679 [ 622.969685] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 622.988591] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 622.996329] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 623.003605] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 623.010881] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 623.018152] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 623.025443] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 01:50:09 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x74, 0x400000000000) 01:50:09 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:09 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/devHzero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 624.252928] 9pnet_virtio: no channels available for device /devHzero [ 624.272100] 9pnet_virtio: no channels available for device /devHzero [ 624.315209] 9pnet_virtio: no channels available for device /dev/zero [ 624.333402] 9pnet_virtio: no channels available for device /dev/zero 01:50:10 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/\nero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:50:10 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x2000) [ 625.536234] 9pnet_virtio: no channels available for device /dev/ [ 625.536234] ero [ 625.550749] 9pnet_virtio: no channels available for device /dev/ [ 625.550749] ero 01:50:10 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1bc, 0x400000000000) 01:50:11 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:13 executing program 3: r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x200, 0x0) setsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000080), 0x1) r1 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r1, &(0x7f0000000300)=ANY=[], 0x0) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) lseek(r1, 0x0, 0x0) [ 627.218263] 9pnet_virtio: no channels available for device /dev/zero [ 627.239311] 9pnet_virtio: no channels available for device /dev/zero [ 627.474703] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 627.507662] SELinux: failed to load policy [ 627.524150] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 627.535691] SELinux: failed to load policy 01:50:13 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/z\nro\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 628.576619] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 628.589344] syz-executor3 cpuset=syz3 mems_allowed=0 [ 628.595778] CPU: 0 PID: 32143 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 628.603080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 628.612457] Call Trace: [ 628.615037] dump_stack+0x1c4/0x2b4 [ 628.618661] ? dump_stack_print_info.cold.2+0x52/0x52 [ 628.623844] ? kasan_check_read+0x11/0x20 [ 628.627988] warn_alloc.cold.119+0xb7/0x1bd [ 628.632304] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 628.637142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 628.642686] __vmalloc_node_range+0x472/0x750 [ 628.647173] ? graph_lock+0x170/0x170 [ 628.650966] ? __lock_is_held+0xb5/0x140 [ 628.655023] ? sel_write_load+0x1d1/0x460 [ 628.659189] vmalloc+0x6f/0x80 [ 628.662392] ? sel_write_load+0x1d1/0x460 [ 628.666530] sel_write_load+0x1d1/0x460 [ 628.670495] __vfs_write+0x119/0x9f0 [ 628.674305] ? check_preemption_disabled+0x48/0x200 [ 628.679310] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 628.684228] ? kernel_read+0x120/0x120 [ 628.688110] ? __lock_is_held+0xb5/0x140 [ 628.692173] ? rcu_read_lock_sched_held+0x108/0x120 [ 628.697188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 628.702714] ? __sb_start_write+0x1b2/0x370 [ 628.707052] vfs_write+0x1fc/0x560 [ 628.710583] ksys_write+0x101/0x260 [ 628.714217] ? __ia32_sys_read+0xb0/0xb0 [ 628.718264] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 628.723792] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 628.729229] ? ksys_ioctl+0x81/0xd0 [ 628.732860] __x64_sys_write+0x73/0xb0 [ 628.736757] do_syscall_64+0x1b9/0x820 [ 628.740635] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 628.746022] ? syscall_return_slowpath+0x5e0/0x5e0 [ 628.750945] ? trace_hardirqs_on_caller+0x310/0x310 [ 628.755947] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 628.761135] ? recalc_sigpending_tsk+0x180/0x180 [ 628.765877] ? kasan_check_write+0x14/0x20 [ 628.770103] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 628.774936] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 628.780123] RIP: 0033:0x457679 [ 628.783317] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 628.802219] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 628.809931] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 628.817185] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 628.824437] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 628.831712] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 628.838967] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 628.870866] warn_alloc_show_mem: 1 callbacks suppressed [ 628.870871] Mem-Info: [ 628.878897] active_anon:1242837 inactive_anon:369 isolated_anon:0 [ 628.878897] active_file:152 inactive_file:672 isolated_file:32 [ 628.878897] unevictable:9387 dirty:2 writeback:0 unstable:0 [ 628.878897] slab_reclaimable:19447 slab_unreclaimable:123058 [ 628.878897] mapped:54418 shmem:385 pagetables:67794 bounce:0 [ 628.878897] free:24256 free_pcp:918 free_cma:0 [ 628.914930] Node 0 active_anon:4971348kB inactive_anon:1476kB active_file:688kB inactive_file:2344kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:217472kB dirty:8kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4368384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 628.950951] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 628.977741] lowmem_reserve[]: 0 2817 6321 6321 [ 628.982620] Node 0 DMA32 free:45232kB min:30048kB low:37560kB high:45072kB active_anon:2606360kB inactive_anon:4kB active_file:568kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43712kB pagetables:38492kB bounce:0kB free_pcp:324kB local_pcp:0kB free_cma:0kB [ 629.011542] lowmem_reserve[]: 0 0 3503 3503 [ 629.016049] Node 0 Normal free:38748kB min:37364kB low:46704kB high:56044kB active_anon:2364988kB inactive_anon:1472kB active_file:256kB inactive_file:1752kB unevictable:37548kB writepending:4kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:94880kB pagetables:232684kB bounce:0kB free_pcp:468kB local_pcp:0kB free_cma:0kB [ 629.046461] lowmem_reserve[]: 0 0 0 0 [ 629.050572] 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 [ 629.069163] Node 0 DMA32: 261*4kB (UM) 143*8kB (UME) 311*16kB (UM) 311*32kB (UME) 90*64kB (UME) 36*128kB (UME) 17*256kB (ME) 19*512kB (UM) 4*1024kB (U) 0*2048kB 0*4096kB = 45660kB [ 629.089614] Node 0 Normal: 1508*4kB (UMEH) 1648*8kB (UMEH) 722*16kB (UMEH) 213*32kB (UMEH) 5*64kB (H) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 38032kB [ 629.105843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 629.115910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 629.125644] 5982 total pagecache pages [ 629.130698] 0 pages in swap cache [ 629.135354] Swap cache stats: add 0, delete 0, find 0/0 [ 629.141524] Free swap = 0kB [ 629.145769] Total swap = 0kB [ 629.149818] 1965979 pages RAM [ 629.153867] 0 pages HighMem/MovableOnly [ 629.158889] 342745 pages reserved [ 629.163821] 0 pages cma reserved 01:50:14 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f04", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 629.398710] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 629.412559] syz-executor3 cpuset=syz3 mems_allowed=0 [ 629.417737] CPU: 1 PID: 32145 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 629.425029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 629.434403] Call Trace: [ 629.437117] dump_stack+0x1c4/0x2b4 [ 629.440765] ? dump_stack_print_info.cold.2+0x52/0x52 [ 629.445975] ? kasan_check_read+0x11/0x20 [ 629.450147] warn_alloc.cold.119+0xb7/0x1bd [ 629.454482] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 629.459345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 629.464940] __vmalloc_node_range+0x472/0x750 [ 629.469477] ? graph_lock+0x170/0x170 [ 629.473298] ? __lock_is_held+0xb5/0x140 [ 629.477381] ? sel_write_load+0x1d1/0x460 [ 629.481549] vmalloc+0x6f/0x80 [ 629.484759] ? sel_write_load+0x1d1/0x460 [ 629.488923] sel_write_load+0x1d1/0x460 [ 629.492928] __vfs_write+0x119/0x9f0 [ 629.496659] ? check_preemption_disabled+0x48/0x200 [ 629.501691] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 629.506635] ? kernel_read+0x120/0x120 [ 629.510536] ? __lock_is_held+0xb5/0x140 [ 629.514641] ? rcu_read_lock_sched_held+0x108/0x120 [ 629.519666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 629.525204] ? __sb_start_write+0x1b2/0x370 [ 629.529538] vfs_write+0x1fc/0x560 [ 629.533090] ksys_write+0x101/0x260 [ 629.536728] ? __ia32_sys_read+0xb0/0xb0 [ 629.540801] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 629.546267] __x64_sys_write+0x73/0xb0 [ 629.550162] do_syscall_64+0x1b9/0x820 [ 629.554057] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 629.559430] ? syscall_return_slowpath+0x5e0/0x5e0 [ 629.564387] ? trace_hardirqs_on_caller+0x310/0x310 [ 629.569423] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 629.574485] ? recalc_sigpending_tsk+0x180/0x180 [ 629.579251] ? kasan_check_write+0x14/0x20 [ 629.583496] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 629.588366] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 629.593568] RIP: 0033:0x457679 [ 629.596764] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 629.615687] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 629.623404] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 629.630674] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000007 [ 629.637959] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 629.645230] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 629.652744] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:50:14 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x48, 0x400000000000) [ 630.232196] 9pnet_virtio: no channels available for device /dev/z [ 630.232196] ro [ 630.243126] 9pnet_virtio: no channels available for device /dev/z [ 630.243126] ro 01:50:14 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x7a00000000000000) [ 631.275756] 9pnet_virtio: no channels available for device /dev/zero [ 631.286891] 9pnet_virtio: no channels available for device /dev/zero 01:50:17 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/z%ro\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:50:18 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x2, 0x400000000000) 01:50:18 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 632.788850] 9pnet_virtio: no channels available for device /dev/z%ro [ 632.803370] 9pnet_virtio: no channels available for device /dev/z%ro [ 632.996686] 9pnet_virtio: no channels available for device /dev/zero [ 633.007599] syz-executor2 (32168) used greatest stack depth: 3480 bytes left 01:50:18 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x49, 0x400000000000) 01:50:18 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0xa800, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) getsockopt$ARPT_SO_GET_ENTRIES(r1, 0x0, 0x61, &(0x7f0000000000)={'filter\x00', 0x2, "e9e4"}, &(0x7f0000000080)=0x26) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 633.630622] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 633.662963] syz-executor3 cpuset=syz3 mems_allowed=0 [ 633.669180] CPU: 1 PID: 32180 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 633.676487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 633.685871] Call Trace: [ 633.688483] dump_stack+0x1c4/0x2b4 [ 633.692128] ? dump_stack_print_info.cold.2+0x52/0x52 [ 633.697338] ? kasan_check_read+0x11/0x20 [ 633.701513] warn_alloc.cold.119+0xb7/0x1bd [ 633.705845] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 633.710699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 633.716256] __vmalloc_node_range+0x472/0x750 [ 633.720757] ? graph_lock+0x170/0x170 [ 633.724565] ? __lock_is_held+0xb5/0x140 [ 633.728646] ? sel_write_load+0x1d1/0x460 [ 633.732803] vmalloc+0x6f/0x80 [ 633.736006] ? sel_write_load+0x1d1/0x460 [ 633.740181] sel_write_load+0x1d1/0x460 [ 633.744167] __vfs_write+0x119/0x9f0 [ 633.747886] ? check_preemption_disabled+0x48/0x200 [ 633.752925] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 633.757864] ? kernel_read+0x120/0x120 [ 633.761768] ? __lock_is_held+0xb5/0x140 [ 633.765848] ? rcu_read_lock_sched_held+0x108/0x120 [ 633.770885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 633.776429] ? __sb_start_write+0x1b2/0x370 [ 633.780775] vfs_write+0x1fc/0x560 [ 633.784329] ksys_write+0x101/0x260 [ 633.787974] ? __ia32_sys_read+0xb0/0xb0 [ 633.792065] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 633.797533] __x64_sys_write+0x73/0xb0 [ 633.801432] do_syscall_64+0x1b9/0x820 [ 633.805336] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 633.810728] ? syscall_return_slowpath+0x5e0/0x5e0 [ 633.815674] ? trace_hardirqs_on_caller+0x310/0x310 [ 633.820704] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 633.825725] ? recalc_sigpending_tsk+0x180/0x180 [ 633.830494] ? kasan_check_write+0x14/0x20 [ 633.834749] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 633.839619] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 633.844821] RIP: 0033:0x457679 [ 633.848031] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 633.866943] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 633.874661] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 633.881943] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 633.889215] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 633.896490] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 633.903762] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 633.936765] warn_alloc_show_mem: 1 callbacks suppressed [ 633.936771] Mem-Info: [ 633.955625] active_anon:1242767 inactive_anon:368 isolated_anon:0 [ 633.955625] active_file:159 inactive_file:921 isolated_file:24 [ 633.955625] unevictable:9387 dirty:10 writeback:0 unstable:0 [ 633.955625] slab_reclaimable:19433 slab_unreclaimable:122839 [ 633.955625] mapped:54593 shmem:385 pagetables:67951 bounce:0 [ 633.955625] free:24599 free_pcp:61 free_cma:0 [ 633.990385] Node 0 active_anon:4971068kB inactive_anon:1472kB active_file:1236kB inactive_file:1952kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:217972kB dirty:40kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4368384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 634.022005] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 634.051788] lowmem_reserve[]: 0 2817 6321 6321 [ 634.057626] Node 0 DMA32 free:43780kB min:30048kB low:37560kB high:45072kB active_anon:2606324kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43872kB pagetables:38516kB bounce:0kB free_pcp:20kB local_pcp:0kB free_cma:0kB [ 634.087625] lowmem_reserve[]: 0 0 3503 3503 [ 634.093577] Node 0 Normal free:38472kB min:37364kB low:46704kB high:56044kB active_anon:2364644kB inactive_anon:1472kB active_file:528kB inactive_file:2268kB unevictable:37548kB writepending:40kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:95040kB pagetables:233288kB bounce:0kB free_pcp:1800kB local_pcp:624kB free_cma:0kB [ 634.127357] lowmem_reserve[]: 0 0 0 0 [ 634.165194] 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 [ 634.187166] Node 0 DMA32: 369*4kB (ME) 220*8kB (UME) 317*16kB (M) 236*32kB (UME) 92*64kB (UME) 36*128kB (UME) 17*256kB (ME) 19*512kB (UM) 4*1024kB (U) 0*2048kB 0*4096kB = 44532kB [ 634.208835] Node 0 Normal: 1111*4kB (UMEH) 1695*8kB (UMEH) 830*16kB (UMEH) 231*32kB (UMEH) 7*64kB (UH) 2*128kB (UH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 39380kB [ 634.225810] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 634.241768] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 634.252228] 6353 total pagecache pages [ 634.289298] 0 pages in swap cache [ 634.306445] Swap cache stats: add 0, delete 0, find 0/0 [ 634.319690] Free swap = 0kB [ 634.326779] Total swap = 0kB [ 634.335767] 1965979 pages RAM [ 634.350956] 0 pages HighMem/MovableOnly [ 634.358240] 342745 pages reserved [ 634.363128] 0 pages cma reserved [ 634.375993] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 634.407694] SELinux: failed to load policy [ 634.423913] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 634.451208] syz-executor3 cpuset=syz3 mems_allowed=0 [ 634.471676] CPU: 0 PID: 32184 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 634.479027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 634.488396] Call Trace: [ 634.491028] dump_stack+0x1c4/0x2b4 [ 634.494683] ? dump_stack_print_info.cold.2+0x52/0x52 [ 634.499907] ? kasan_check_read+0x11/0x20 [ 634.504098] warn_alloc.cold.119+0xb7/0x1bd [ 634.508438] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 634.513305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 634.518918] __vmalloc_node_range+0x472/0x750 [ 634.523434] ? graph_lock+0x170/0x170 [ 634.527250] ? __lock_is_held+0xb5/0x140 [ 634.531333] ? sel_write_load+0x1d1/0x460 [ 634.535504] vmalloc+0x6f/0x80 [ 634.538710] ? sel_write_load+0x1d1/0x460 [ 634.542867] sel_write_load+0x1d1/0x460 [ 634.546857] __vfs_write+0x119/0x9f0 [ 634.550581] ? check_preemption_disabled+0x48/0x200 [ 634.555602] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 634.560548] ? kernel_read+0x120/0x120 [ 634.564449] ? __lock_is_held+0xb5/0x140 [ 634.568565] ? rcu_read_lock_sched_held+0x108/0x120 [ 634.573590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 634.579140] ? __sb_start_write+0x1b2/0x370 [ 634.583485] vfs_write+0x1fc/0x560 [ 634.587049] ksys_write+0x101/0x260 [ 634.590685] ? __ia32_sys_read+0xb0/0xb0 [ 634.594764] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 634.600313] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 634.605783] __x64_sys_write+0x73/0xb0 [ 634.609684] do_syscall_64+0x1b9/0x820 [ 634.613575] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 634.618966] ? syscall_return_slowpath+0x5e0/0x5e0 [ 634.623901] ? trace_hardirqs_on_caller+0x310/0x310 [ 634.628931] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 634.633950] ? recalc_sigpending_tsk+0x180/0x180 [ 634.638720] ? kasan_check_write+0x14/0x20 [ 634.642971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 634.648237] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 634.653470] RIP: 0033:0x457679 [ 634.656697] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 634.675608] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 634.683339] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 634.690613] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 634.697898] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 634.705185] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 634.712461] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 01:50:19 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/ze\no\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:50:21 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:21 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x88, 0x400000000000) [ 636.225495] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 636.243777] SELinux: failed to load policy [ 636.383547] 9pnet_virtio: no channels available for device /dev/zero [ 636.400585] 9pnet_virtio: no channels available for device /dev/zero [ 636.509622] 9pnet_virtio: no channels available for device /dev/ze [ 636.509622] o 01:50:22 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:23 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/ze%o\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 637.218413] 9pnet_virtio: no channels available for device /dev/zero [ 637.234048] 9pnet_virtio: no channels available for device /dev/zero 01:50:23 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1d3, 0x400000000000) 01:50:24 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x4c000000) [ 638.925133] 9pnet_virtio: no channels available for device /dev/ze%o [ 638.946484] 9pnet_virtio: no channels available for device /dev/ze%o 01:50:25 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726fff", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:26 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x191, 0x400000000000) [ 641.441402] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 641.455290] SELinux: failed to load policy [ 641.475390] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 641.487439] SELinux: failed to load policy [ 642.174711] 9pnet_virtio: no channels available for device /dev/zero˙ [ 642.239083] 9pnet_virtio: no channels available for device /dev/zero˙ 01:50:29 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zer\n\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:50:29 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$vhci(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vhci\x00', 0x800, 0x0) ioctl$VT_RESIZEX(r1, 0x560a, &(0x7f0000000280)={0x23fe, 0x2, 0xc0000000000000, 0x6, 0xeb}) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) pwritev(r2, &(0x7f00000013c0)=[{&(0x7f00000001c0)="9527530f2ae07b841782f4eb9d91eff4af5ca894ff4fc525339e39b2081daee373711cd482fae80c403eb4eff8e4de3815925ca4c02c4d8a513e52a0713ef3410e02692f8794c0aa30be08c59fd56a0b55f24d8eeb3ee8d9a3c048d4cf866bf0388ceff368cc1186d3898567885d9141621714655a4f7a1bfb510deb61bdb2eb7ced91bb7a56a9e1928c5b17591de797b16259d656974ca85cd744b8c1c0701e578279645fe30118ff4cafbf088cd649f6973dd8c99e40059a4b", 0xba}, {&(0x7f0000000000)="722a0c35a9659a5ae20ba8e04ce822b31307f45e5632d3baa44595dbe7cc3b11d75b4d2c4ff95cba6afc24245a7bf01ace15a4e6", 0x34}, {&(0x7f0000000100)="734d1e5c4d3ad49085ae05982b2a7895c5db4cd3281d7c614d1431f94e10b875a8a79d46e05e4dc8ef9ffb1ec7f18ba15a52a2ad5717fb283f9cc988d2f7917fc4ae36df05812abeb64bf0a2238f5dbf2fbe2628ab0e7a31bfb478ea1157611b37b275e04f6001b6e928ca", 0x6b}, {&(0x7f0000000300)="cf4e519dbf2c1d33b35f1e59a6725e4eff925a9c0f86a771a74314c8c67c49947710baf7fe1c7442caf5426ca1c98cb26a53719bf407966b74cddde5a2a79f716a714fafd3adf3cf91ac4bc44b0bb25456bf59f4dbb2e771da6b2833f0e60b9f71471b492858c64a65544120c39448442d718756009e3a5f4070a2b8814eb895d462a1e0995eb2d377b71c1cd43e1a7d43f0d4", 0x93}, {&(0x7f00000003c0)="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", 0x1000}], 0x5, 0x0) lseek(r0, 0x0, 0x100000000000000) 01:50:30 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 644.733298] 9pnet_virtio: no channels available for device /dev/zer [ 644.733298] [ 644.790305] 9pnet_virtio: no channels available for device /dev/zero [ 644.914891] 9pnet_virtio: no channels available for device /dev/zer [ 644.914891] 01:50:30 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x3000000) 01:50:30 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x182, 0x400000000000) 01:50:32 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 647.091800] 9pnet_virtio: no channels available for device /dev/zero 01:50:33 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zer%\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 648.555165] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 648.567390] syz-executor3 cpuset=syz3 mems_allowed=0 [ 648.577432] CPU: 0 PID: 32256 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 648.584742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 648.594105] Call Trace: [ 648.596721] dump_stack+0x1c4/0x2b4 [ 648.600404] ? dump_stack_print_info.cold.2+0x52/0x52 [ 648.605620] ? kasan_check_read+0x11/0x20 [ 648.609812] warn_alloc.cold.119+0xb7/0x1bd [ 648.614166] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 648.619026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.624601] __vmalloc_node_range+0x472/0x750 [ 648.629121] ? graph_lock+0x170/0x170 [ 648.632910] ? __lock_is_held+0xb5/0x140 [ 648.636978] ? sel_write_load+0x1d1/0x460 [ 648.641123] vmalloc+0x6f/0x80 [ 648.644308] ? sel_write_load+0x1d1/0x460 [ 648.648444] sel_write_load+0x1d1/0x460 [ 648.652454] __vfs_write+0x119/0x9f0 [ 648.656195] ? check_preemption_disabled+0x48/0x200 [ 648.661227] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 648.666146] ? kernel_read+0x120/0x120 [ 648.670027] ? __lock_is_held+0xb5/0x140 [ 648.674086] ? rcu_read_lock_sched_held+0x108/0x120 [ 648.679090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.684614] ? __sb_start_write+0x1b2/0x370 [ 648.688929] vfs_write+0x1fc/0x560 [ 648.692486] ksys_write+0x101/0x260 [ 648.696118] ? __ia32_sys_read+0xb0/0xb0 [ 648.700207] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 648.705675] __x64_sys_write+0x73/0xb0 [ 648.709581] do_syscall_64+0x1b9/0x820 [ 648.713483] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 648.718838] ? syscall_return_slowpath+0x5e0/0x5e0 [ 648.723779] ? trace_hardirqs_on_caller+0x310/0x310 [ 648.728827] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 648.733840] ? recalc_sigpending_tsk+0x180/0x180 [ 648.738599] ? kasan_check_write+0x14/0x20 [ 648.742839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 648.747675] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 648.752855] RIP: 0033:0x457679 [ 648.756253] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 648.775152] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 648.782848] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 648.790119] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 648.797388] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 648.804653] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 648.811916] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 648.844393] warn_alloc_show_mem: 1 callbacks suppressed [ 648.844399] Mem-Info: [ 648.870329] active_anon:1243029 inactive_anon:369 isolated_anon:0 [ 648.870329] active_file:202 inactive_file:542 isolated_file:32 [ 648.870329] unevictable:9387 dirty:3 writeback:0 unstable:0 [ 648.870329] slab_reclaimable:19618 slab_unreclaimable:122394 [ 648.870329] mapped:54408 shmem:385 pagetables:68181 bounce:0 [ 648.870329] free:24391 free_pcp:213 free_cma:0 [ 648.906796] Node 0 active_anon:4972124kB inactive_anon:1476kB active_file:984kB inactive_file:2428kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:217648kB dirty:20kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4368384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 648.950296] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 649.009411] lowmem_reserve[]: 0 2817 6321 6321 [ 649.016184] Node 0 DMA32 free:45920kB min:30048kB low:37560kB high:45072kB active_anon:2606576kB inactive_anon:8kB active_file:296kB inactive_file:364kB unevictable:0kB writepending:8kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:44352kB pagetables:38624kB bounce:0kB free_pcp:276kB local_pcp:20kB free_cma:0kB [ 649.046696] lowmem_reserve[]: 0 0 3503 3503 [ 649.052244] Node 0 Normal free:37092kB min:37364kB low:46704kB high:56044kB active_anon:2365548kB inactive_anon:1468kB active_file:240kB inactive_file:1704kB unevictable:37548kB writepending:12kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:95104kB pagetables:234108kB bounce:0kB free_pcp:648kB local_pcp:496kB free_cma:0kB [ 649.084297] lowmem_reserve[]: 0 0 0 0 [ 649.089335] 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 [ 649.104276] Node 0 DMA32: 30*4kB (UME) 167*8kB (UME) 352*16kB (UME) 283*32kB (UME) 105*64kB (UME) 35*128kB (UM) 17*256kB (ME) 19*512kB (UM) 4*1024kB (U) 0*2048kB 0*4096kB = 45520kB [ 649.124299] Node 0 Normal: 1218*4kB (UMEH) 1676*8kB (UMEH) 690*16kB (MEH) 207*32kB (UMEH) 16*64kB (UEH) 3*128kB (UEH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37352kB [ 649.160356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 649.174954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 649.207913] 6269 total pagecache pages [ 649.215660] 0 pages in swap cache [ 649.247275] Swap cache stats: add 0, delete 0, find 0/0 [ 649.257953] Free swap = 0kB [ 649.266384] Total swap = 0kB [ 649.274149] 1965979 pages RAM [ 649.279301] 0 pages HighMem/MovableOnly [ 649.285993] 342745 pages reserved [ 649.291267] 0 pages cma reserved [ 649.317293] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 649.330474] syz-executor3 cpuset=syz3 mems_allowed=0 [ 649.343539] CPU: 0 PID: 32256 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 649.350834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 649.360195] Call Trace: [ 649.362804] dump_stack+0x1c4/0x2b4 [ 649.366447] ? dump_stack_print_info.cold.2+0x52/0x52 [ 649.371689] ? kasan_check_read+0x11/0x20 [ 649.375894] warn_alloc.cold.119+0xb7/0x1bd [ 649.380232] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 649.385123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.390706] __vmalloc_node_range+0x472/0x750 [ 649.395217] ? graph_lock+0x170/0x170 [ 649.399030] ? __lock_is_held+0xb5/0x140 [ 649.403111] ? sel_write_load+0x1d1/0x460 [ 649.407276] vmalloc+0x6f/0x80 [ 649.410497] ? sel_write_load+0x1d1/0x460 [ 649.414669] sel_write_load+0x1d1/0x460 [ 649.418668] __vfs_write+0x119/0x9f0 [ 649.422397] ? check_preemption_disabled+0x48/0x200 [ 649.427426] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 649.432392] ? kernel_read+0x120/0x120 [ 649.436299] ? __lock_is_held+0xb5/0x140 [ 649.440390] ? rcu_read_lock_sched_held+0x108/0x120 [ 649.445423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.450977] ? __sb_start_write+0x1b2/0x370 [ 649.455313] vfs_write+0x1fc/0x560 [ 649.458878] ksys_write+0x101/0x260 [ 649.462621] ? __ia32_sys_read+0xb0/0xb0 [ 649.466698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 649.472198] __x64_sys_write+0x73/0xb0 [ 649.476121] do_syscall_64+0x1b9/0x820 [ 649.480051] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 649.485451] ? syscall_return_slowpath+0x5e0/0x5e0 [ 649.490412] ? trace_hardirqs_on_caller+0x310/0x310 [ 649.495444] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 649.500494] ? recalc_sigpending_tsk+0x180/0x180 [ 649.505272] ? kasan_check_write+0x14/0x20 [ 649.509537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.514416] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 649.519641] RIP: 0033:0x457679 [ 649.522848] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 649.541760] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 649.549487] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 649.556774] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 649.564051] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 649.571329] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 649.578644] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 649.848199] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 649.862385] SELinux: failed to load policy [ 649.896648] 9pnet_virtio: no channels available for device /dev/zer% [ 649.952658] 9pnet_virtio: no channels available for device /dev/zer% [ 650.118959] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 650.174035] SELinux: failed to load policy 01:50:36 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 651.769167] 9pnet_virtio: no channels available for device /dev/zero [ 651.784663] 9pnet_virtio: no channels available for device /dev/zero 01:50:38 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:50:39 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x76, 0x400000000000) [ 653.782148] 9pnet_virtio: no channels available for device /dev/zero [ 653.792656] 9pnet_virtio: no channels available for device /dev/zero 01:50:40 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:40 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x3f00) [ 655.792585] 9pnet_virtio: no channels available for device /dev/zero [ 656.080422] 9pnet_virtio: no channels available for device /dev/zero 01:50:44 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726fff", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:44 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 658.798197] 9pnet_virtio: no channels available for device /dev/zero [ 658.807037] 9pnet_virtio: no channels available for device /dev/zero [ 659.243767] 9pnet_virtio: no channels available for device /dev/zero˙ [ 659.327990] 9pnet_virtio: no channels available for device /dev/zero˙ 01:50:45 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x77, 0x400000000000) 01:50:45 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 660.235283] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 660.278132] SELinux: failed to load policy [ 660.442693] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 660.475059] SELinux: failed to load policy [ 662.296327] 9pnet_virtio: no channels available for device /dev/zero [ 662.303760] 9pnet_virtio: no channels available for device /dev/zero 01:50:47 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero`', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:49 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 664.058414] 9pnet_virtio: no channels available for device /dev/zero` [ 664.080902] 9pnet_virtio: no channels available for device /dev/zero` 01:50:49 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x600) 01:50:50 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x166, 0x400000000000) [ 665.964126] 9pnet_virtio: no channels available for device /dev/zero [ 666.031973] 9pnet_virtio: no channels available for device /dev/zero 01:50:53 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 667.438313] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 667.466659] SELinux: failed to load policy [ 667.537035] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:50:53 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x136, 0x400000000000) [ 667.613068] SELinux: failed to load policy [ 667.756732] 9pnet_virtio: no channels available for device /dev/zero [ 667.919099] 9pnet_virtio: no channels available for device /dev/zero 01:50:53 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:50:53 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000300)="153f6234488904000000000000004187c3bd0d0f928dd2d700f19536dd11273bbc6c3d677deb25528162") r1 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x5, 0x8002) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000180)={0xffffffffffffffff}, 0x2}}, 0x20) ioctl$KVM_PPC_GET_PVINFO(r1, 0x4080aea1, &(0x7f0000000340)=""/228) getsockname$packet(r1, &(0x7f0000000240)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000280)=0x14) write$RDMA_USER_CM_CMD_JOIN_IP_MCAST(r1, &(0x7f0000000200)={0x10, 0x30, 0xfa00, {&(0x7f0000000100), 0x0, {0xa, 0x4e24, 0xffffffffffff0001, @mcast2, 0x6}, r2}}, 0x38) setsockopt$bt_BT_RCVMTU(r1, 0x112, 0xd, &(0x7f0000000080)=0x80, 0x2) getrandom(&(0x7f0000000200), 0x0, 0x2) r3 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000140)='/dev/rtc0\x00', 0x40007f, 0x0) getsockname$packet(r3, &(0x7f0000000680)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f00000006c0)=0x14) setsockopt$inet_mreqn(r1, 0x0, 0x27, &(0x7f0000000700)={@dev={0xac, 0x14, 0x14, 0xe}, @local, r4}, 0xc) accept4$nfc_llcp(r1, 0x0, &(0x7f00000000c0), 0x80000) ioctl$TCGETS(r1, 0x5401, &(0x7f0000000040)) [ 670.095230] 9pnet_virtio: no channels available for device /dev/zero [ 670.139934] 9pnet_virtio: no channels available for device /dev/zero 01:50:57 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0xe5, 0x400000000000) 01:50:57 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726fc0", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:50:57 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:50:58 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x3) [ 672.480133] 9pnet_virtio: no channels available for device /dev/zero [ 672.582629] 9pnet_virtio: no channels available for device /dev/zero [ 672.922050] 9pnet_virtio: no channels available for device /dev/zeroŔ [ 672.942177] 9pnet_virtio: no channels available for device /dev/zeroŔ [ 675.104119] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 675.175486] SELinux: failed to load policy 01:51:00 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:00 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 675.295727] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 675.325621] SELinux: failed to load policy [ 675.708768] 9pnet_virtio: no channels available for device /dev/zero [ 675.720548] 9pnet_virtio: no channels available for device /dev/zero [ 677.022895] 9pnet_virtio: no channels available for device /dev/zero [ 677.031568] 9pnet_virtio: no channels available for device /dev/zero 01:51:06 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero`', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:07 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x105, 0x400000000000) 01:51:07 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 681.900062] 9pnet_virtio: no channels available for device /dev/zero` [ 681.940869] 9pnet_virtio: no channels available for device /dev/zero` [ 682.498185] 9pnet_virtio: no channels available for device /dev/zero [ 682.508443] 9pnet_virtio: no channels available for device /dev/zero 01:51:10 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0xffffff7f) 01:51:11 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:12 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x36, 0x400000000000) [ 686.609966] 9pnet_virtio: no channels available for device /dev/zero [ 686.628547] 9pnet_virtio: no channels available for device /dev/zero [ 687.801340] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 687.875310] SELinux: failed to load policy [ 687.894520] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 687.907772] SELinux: failed to load policy 01:51:14 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:15 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 689.247192] 9pnet_virtio: no channels available for device /dev/zero [ 689.265902] 9pnet_virtio: no channels available for device /dev/zero 01:51:15 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1b5, 0x400000000000) 01:51:15 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x2) 01:51:15 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f05", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:15 executing program 3: mprotect(&(0x7f0000fee000/0x12000)=nil, 0x12000, 0x7fffe) r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/load\x00', 0x2, 0x0) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x0, 0x0) socket$netlink(0x10, 0x3, 0x9) ioctl$BLKIOOPT(r1, 0x1279, &(0x7f0000000080)) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r1, &(0x7f0000000200)=ANY=[], 0xffffff5f) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r3 = fcntl$getown(r0, 0x9) ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(r1, 0xc1105518, &(0x7f0000000300)={{0x0, 0x5, 0x5, 0x2, 'syz1\x00', 0x8}, 0x3, 0x3, 0x0, r3, 0x6, 0x40, 'syz0\x00', &(0x7f0000000180)=['/dev/full\x00', '/selinux/load\x00', '/dev/full\x00', '/^em1-\x00', '/selinux/load\x00', '\'&vboxnet1GPL)^\x00'], 0x47, [], [0x8000, 0xe80f, 0x3ff, 0x5]}) inotify_init() ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 689.633918] 9pnet_virtio: no channels available for device /dev/zero [ 690.034440] 9pnet_virtio: no channels available for device /dev/zero [ 690.047078] 9pnet_virtio: no channels available for device /dev/zero 01:51:16 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:16 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 690.831810] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 690.937195] SELinux: failed to load policy [ 690.978300] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 691.041818] SELinux: failed to load policy 01:51:17 executing program 4: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x8000, 0x0) ioctl$KVM_DEASSIGN_DEV_IRQ(r0, 0x4040ae75, &(0x7f0000000040)={0x6, 0x8001, 0x2, 0x101}) getrandom(&(0x7f0000000200), 0x116f4342aa6e402e, 0x1) getsockname$unix(r0, &(0x7f0000000080), &(0x7f0000000100)=0x6e) [ 691.653344] 9pnet_virtio: no channels available for device /dev/zero [ 692.811116] syz-executor4 invoked oom-killer: gfp_mask=0x6280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 692.828741] syz-executor4 cpuset=syz4 mems_allowed=0 [ 692.855329] CPU: 1 PID: 32451 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 692.862651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 692.872034] Call Trace: [ 692.874644] dump_stack+0x1c4/0x2b4 [ 692.878299] ? dump_stack_print_info.cold.2+0x52/0x52 [ 692.883519] ? mark_held_locks+0x130/0x130 [ 692.887780] dump_header+0x27b/0xf72 [ 692.891526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 692.897084] ? pagefault_out_of_memory+0x197/0x197 [ 692.902038] ? debug_smp_processor_id+0x1c/0x20 [ 692.906726] ? perf_trace_lock_acquire+0x15b/0x800 [ 692.911691] ? perf_trace_lock_acquire+0x15b/0x800 [ 692.916635] ? __lock_acquire+0x7ec/0x4ec0 [ 692.920891] ? perf_trace_lock+0x7a0/0x7a0 [ 692.925142] ? debug_smp_processor_id+0x1c/0x20 [ 692.929820] ? graph_lock+0x170/0x170 [ 692.933636] ? print_usage_bug+0xc0/0xc0 [ 692.937728] ? find_held_lock+0x36/0x1c0 [ 692.941816] ? mark_held_locks+0xc7/0x130 [ 692.945997] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 692.951122] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 692.956239] ? lockdep_hardirqs_on+0x421/0x5c0 [ 692.960838] ? trace_hardirqs_on+0xbd/0x310 [ 692.965166] ? kasan_check_read+0x11/0x20 [ 692.969324] ? ___ratelimit+0x36f/0x655 [ 692.973328] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 692.978800] ? trace_hardirqs_on+0x310/0x310 [ 692.983225] ? lock_downgrade+0x900/0x900 [ 692.987396] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 692.992547] ? ___ratelimit+0xaa/0x655 [ 692.996451] ? idr_get_free+0xec0/0xec0 [ 693.000471] ? kasan_check_write+0x14/0x20 [ 693.004731] ? do_raw_spin_lock+0xc1/0x200 [ 693.008987] oom_kill_process.cold.27+0x10/0x903 [ 693.013756] ? graph_lock+0x170/0x170 [ 693.017572] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 693.022691] ? rcu_read_unlock_special.part.39+0x8a4/0x11f0 [ 693.028419] ? oom_evaluate_task+0x540/0x540 [ 693.032850] ? find_held_lock+0x36/0x1c0 [ 693.036933] ? out_of_memory+0x974/0x1430 [ 693.041093] ? lock_downgrade+0x900/0x900 [ 693.045259] ? __rcu_read_unlock+0x2e5/0x2f0 [ 693.049688] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 693.055504] ? kasan_check_read+0x11/0x20 [ 693.059697] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 693.064989] ? rcu_bh_qs+0xc0/0xc0 [ 693.068560] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 693.073605] ? oom_evaluate_task+0x302/0x540 [ 693.078031] out_of_memory+0xa84/0x1430 [ 693.082037] ? oom_killer_disable+0x3a0/0x3a0 [ 693.086576] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 693.091534] ? __mutex_add_waiter+0x2a0/0x2a0 [ 693.096077] __alloc_pages_slowpath+0x2318/0x2d80 [ 693.100972] ? warn_alloc+0x120/0x120 [ 693.104789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.110373] ? check_preemption_disabled+0x48/0x200 [ 693.115406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.120981] ? check_preemption_disabled+0x48/0x200 [ 693.126008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.131568] ? debug_smp_processor_id+0x1c/0x20 [ 693.136269] ? mark_held_locks+0x130/0x130 [ 693.140554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 693.146110] ? should_fail+0x22d/0xd01 [ 693.150010] ? perf_trace_lock+0x7a0/0x7a0 [ 693.154270] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 693.159386] ? find_held_lock+0x36/0x1c0 [ 693.163471] ? lru_cache_add+0x417/0xa50 [ 693.167551] ? lru_cache_add_file+0x20/0x20 [ 693.171890] ? mark_held_locks+0x130/0x130 [ 693.176146] ? __lock_is_held+0xb5/0x140 [ 693.180247] ? ___might_sleep+0x1ed/0x300 [ 693.184406] ? lock_release+0x970/0x970 [ 693.188403] ? arch_local_save_flags+0x40/0x40 [ 693.192998] ? mark_held_locks+0xc7/0x130 [ 693.197170] ? __might_sleep+0x95/0x190 [ 693.201167] __alloc_pages_nodemask+0xa80/0xde0 [ 693.205861] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 693.210916] ? __handle_mm_fault+0x2c32/0x53e0 [ 693.215519] ? lock_downgrade+0x900/0x900 [ 693.219692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 693.225240] ? check_preemption_disabled+0x48/0x200 [ 693.230271] ? kasan_check_read+0x11/0x20 [ 693.234432] ? pmd_val+0x88/0x100 [ 693.237899] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 693.243456] alloc_pages_vma+0xdd/0x540 [ 693.247465] __handle_mm_fault+0x26e4/0x53e0 [ 693.251913] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 693.256769] ? graph_lock+0x170/0x170 [ 693.260583] ? print_usage_bug+0xc0/0xc0 [ 693.264654] ? find_held_lock+0x36/0x1c0 [ 693.268728] ? graph_lock+0x170/0x170 [ 693.272558] ? graph_lock+0x170/0x170 [ 693.276399] ? handle_mm_fault+0x42a/0xc70 [ 693.280651] ? lock_downgrade+0x900/0x900 [ 693.284821] ? check_preemption_disabled+0x48/0x200 [ 693.289899] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 693.295705] ? kasan_check_read+0x11/0x20 [ 693.299867] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 693.305158] ? rcu_bh_qs+0xc0/0xc0 [ 693.308708] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 693.314167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 693.319715] ? check_preemption_disabled+0x48/0x200 [ 693.324754] handle_mm_fault+0x54f/0xc70 [ 693.328835] ? __handle_mm_fault+0x53e0/0x53e0 [ 693.333437] ? find_vma+0x34/0x190 [ 693.337000] __do_page_fault+0x67d/0xed0 [ 693.341093] ? mm_fault_error+0x380/0x380 [ 693.345270] ? lockdep_hardirqs_on+0x421/0x5c0 [ 693.349866] ? graph_lock+0x170/0x170 [ 693.353687] do_page_fault+0xf2/0x7e0 [ 693.357515] ? vmalloc_sync_all+0x30/0x30 [ 693.361684] ? error_entry+0x76/0xd0 [ 693.365408] ? trace_hardirqs_off_caller+0xbb/0x310 [ 693.370439] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.375317] ? trace_hardirqs_on_caller+0x310/0x310 [ 693.380364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.385231] page_fault+0x1e/0x30 [ 693.388698] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 693.394598] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 693.413515] RSP: 0018:ffff8801107a7c38 EFLAGS: 00010246 [ 693.418892] RAX: ffffed00220f4fb1 RBX: 0000000000000040 RCX: 0000000000000040 [ 693.426171] RDX: 0000000000000040 RSI: ffff8801107a7d48 RDI: 0000000020277000 [ 693.433452] RBP: ffff8801107a7c70 R08: ffffed00220f4fb1 R09: ffffed00220f4fa9 [ 693.440742] R10: ffffed00220f4fb0 R11: ffff8801107a7d87 R12: 0000000020277040 [ 693.448022] R13: 0000000020277000 R14: ffff8801107a7d48 R15: 00007ffffffff000 [ 693.455340] ? _copy_to_user+0xf6/0x110 [ 693.459335] urandom_read+0x124/0x710 [ 693.463156] ? get_random_bytes+0x40/0x40 [ 693.467319] ? rcu_read_lock_sched_held+0x108/0x120 [ 693.472349] ? kmem_cache_free+0x24f/0x290 [ 693.476605] ? __x64_sys_futex+0x47f/0x6a0 [ 693.480858] ? do_syscall_64+0x9a/0x820 [ 693.484844] ? do_syscall_64+0x9a/0x820 [ 693.488839] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 693.494389] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 693.499768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 693.505241] __x64_sys_getrandom+0xf6/0x1e0 [ 693.509584] do_syscall_64+0x1b9/0x820 [ 693.513484] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 693.518875] ? syscall_return_slowpath+0x5e0/0x5e0 [ 693.523822] ? trace_hardirqs_on_caller+0x310/0x310 [ 693.528856] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 693.533905] ? recalc_sigpending_tsk+0x180/0x180 [ 693.538689] ? kasan_check_write+0x14/0x20 [ 693.542952] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 693.547857] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 693.553062] RIP: 0033:0x457679 [ 693.556271] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 693.575189] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 000000000000013e [ 693.582941] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 693.590227] RDX: 0000000000000001 RSI: 116f4342aa6e402e RDI: 0000000020000200 [ 693.597511] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 693.604806] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 693.612100] R13: 00000000004ccef8 R14: 00000000004be0f3 R15: 0000000000000000 [ 693.623411] Mem-Info: [ 693.634586] active_anon:1244582 inactive_anon:367 isolated_anon:0 [ 693.634586] active_file:124 inactive_file:407 isolated_file:27 [ 693.634586] unevictable:9387 dirty:33 writeback:0 unstable:0 [ 693.634586] slab_reclaimable:19764 slab_unreclaimable:119842 [ 693.634586] mapped:54309 shmem:384 pagetables:68921 bounce:0 [ 693.634586] free:24339 free_pcp:159 free_cma:0 [ 693.669347] Node 0 active_anon:4978328kB inactive_anon:1468kB active_file:496kB inactive_file:1348kB unevictable:37548kB isolated(anon):0kB isolated(file):256kB mapped:217236kB dirty:132kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4368384kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 693.718072] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 693.762693] lowmem_reserve[]: 0 2817 6321 6321 [ 693.782409] Node 0 DMA32 free:43992kB min:30048kB low:37560kB high:45072kB active_anon:2607744kB inactive_anon:0kB active_file:16kB inactive_file:0kB unevictable:0kB writepending:8kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:45312kB pagetables:39432kB bounce:0kB free_pcp:4kB local_pcp:4kB free_cma:0kB [ 693.811877] lowmem_reserve[]: 0 0 3503 3503 [ 693.816606] Node 0 Normal free:37016kB min:37364kB low:46704kB high:56044kB active_anon:2370584kB inactive_anon:1468kB active_file:480kB inactive_file:1608kB unevictable:37548kB writepending:124kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:96000kB pagetables:236252kB bounce:0kB free_pcp:692kB local_pcp:0kB free_cma:0kB [ 693.847710] lowmem_reserve[]: 0 0 0 0 [ 693.851971] 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 [ 693.867627] Node 0 DMA32: 144*4kB (UME) 163*8kB (UM) 316*16kB (UME) 192*32kB (UME) 126*64kB (UME) 39*128kB (UME) 16*256kB (M) 19*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 44056kB [ 693.896798] Node 0 Normal: 14*4kB (UME) 1596*8kB (UME) 861*16kB (UME) 241*32kB (UME) 30*64kB (UME) 5*128kB (UE) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36872kB [ 693.929106] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 693.949121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 693.970226] 5871 total pagecache pages [ 693.978538] 0 pages in swap cache [ 693.987736] Swap cache stats: add 0, delete 0, find 0/0 [ 694.000163] Free swap = 0kB [ 694.007574] Total swap = 0kB [ 694.020625] 1965979 pages RAM [ 694.024561] 0 pages HighMem/MovableOnly [ 694.029163] 342745 pages reserved [ 694.034560] 0 pages cma reserved [ 694.038251] Out of memory: Kill process 5538 (syz-fuzzer) score 54 or sacrifice child [ 694.048548] Killed process 23425 (syz-executor1) total-vm:70212kB, anon-rss:64kB, file-rss:836kB, shmem-rss:0kB 01:51:22 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x11a, 0x400000000000) 01:51:22 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x3f00000000000000) 01:51:22 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero"', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:22 executing program 4: r0 = socket$inet6(0xa, 0x80004, 0x5) ioctl(r0, 0x4000, &(0x7f0000000280)="153f6234488dd2e8646070") r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x200000, 0x0) getpeername$unix(r1, &(0x7f0000000040), &(0x7f00000000c0)=0x6e) fcntl$getown(r0, 0x9) ioctl$SNDRV_CTL_IOCTL_PVERSION(r1, 0x80045500, &(0x7f0000000100)) getrandom(&(0x7f0000000200), 0x0, 0x2) setsockopt$SO_RDS_MSG_RXPATH_LATENCY(r1, 0x114, 0xa, &(0x7f0000000140)={0x2, '\x00W'}, 0x3) 01:51:22 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0xb3, 0x400000000000) 01:51:22 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f0000000000)) lseek(r0, 0x0, 0x100000000000000) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000080)={0x80000001, 0xffffffffffff0000, 0x1, 0x8, 0x5, 0xe79ee16, 0x1, 0x27b7, 0x0}, &(0x7f00000000c0)=0x20) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f0000000100)={r2, 0x2c, "04114025763cd1365db6753cfadb49547106e82536bbd6de2a645d439b1e68e73de795f3061a48359745a1b4"}, &(0x7f0000000140)=0x34) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) [ 696.883632] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 696.895900] syz-executor3 cpuset= [ 696.902499] syz3 mems_allowed=0 [ 696.906961] CPU: 1 PID: 32471 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 696.914270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 696.923630] Call Trace: [ 696.923653] dump_stack+0x1c4/0x2b4 [ 696.923677] ? dump_stack_print_info.cold.2+0x52/0x52 [ 696.923701] ? kasan_check_read+0x11/0x20 [ 696.923732] warn_alloc.cold.119+0xb7/0x1bd [ 696.923756] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 696.923785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.923840] __vmalloc_node_range+0x472/0x750 [ 696.923863] ? graph_lock+0x170/0x170 [ 696.923881] ? __lock_is_held+0xb5/0x140 [ 696.923921] ? sel_write_load+0x1d1/0x460 [ 696.970733] vmalloc+0x6f/0x80 [ 696.973943] ? sel_write_load+0x1d1/0x460 [ 696.973961] sel_write_load+0x1d1/0x460 01:51:22 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0xac, 0x400000000000) [ 696.973987] __vfs_write+0x119/0x9f0 [ 696.974003] ? check_preemption_disabled+0x48/0x200 [ 696.974019] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 696.974039] ? kernel_read+0x120/0x120 [ 696.974071] ? __lock_is_held+0xb5/0x140 [ 696.974102] ? rcu_read_lock_sched_held+0x108/0x120 [ 696.974123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 696.982237] ? __sb_start_write+0x1b2/0x370 [ 696.982260] vfs_write+0x1fc/0x560 [ 696.982283] ksys_write+0x101/0x260 [ 697.018770] ? __ia32_sys_read+0xb0/0xb0 [ 697.018794] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 697.018833] __x64_sys_write+0x73/0xb0 [ 697.018855] do_syscall_64+0x1b9/0x820 [ 697.018872] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 697.018891] ? syscall_return_slowpath+0x5e0/0x5e0 [ 697.018911] ? trace_hardirqs_on_caller+0x310/0x310 [ 697.018930] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 697.018947] ? recalc_sigpending_tsk+0x180/0x180 [ 697.018963] ? kasan_check_write+0x14/0x20 [ 697.018986] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.026171] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 697.026185] RIP: 0033:0x457679 [ 697.026203] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 697.026211] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 697.026228] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 697.026237] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 01:51:23 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x115, 0x400000000000) [ 697.026247] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 697.026257] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 697.026266] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 697.065211] warn_alloc_show_mem: 1 callbacks suppressed [ 697.065217] Mem-Info: [ 697.161541] active_anon:1178564 inactive_anon:367 isolated_anon:0 [ 697.161541] active_file:822 inactive_file:4723 isolated_file:0 [ 697.161541] unevictable:9387 dirty:25 writeback:0 unstable:0 [ 697.161541] slab_reclaimable:19758 slab_unreclaimable:117016 01:51:23 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0xa6, 0x400000000000) [ 697.161541] mapped:49854 shmem:385 pagetables:62366 bounce:0 [ 697.161541] free:106995 free_pcp:1306 free_cma:0 [ 697.249425] Node 0 active_anon:4716436kB inactive_anon:1468kB active_file:3288kB inactive_file:19092kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:199516kB dirty:100kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4130816kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 697.280582] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 697.323623] lowmem_reserve[]: 0 2817 6321 6321 01:51:23 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x108, 0x400000000000) [ 697.349980] Node 0 DMA32 free:195240kB min:30048kB low:37560kB high:45072kB active_anon:2468972kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37984kB pagetables:36792kB bounce:0kB free_pcp:2592kB local_pcp:1316kB free_cma:0kB [ 697.409593] lowmem_reserve[]: 0 0 3503 3503 [ 697.419451] Node 0 Normal free:217496kB min:37364kB low:46704kB high:56044kB active_anon:2245532kB inactive_anon:1468kB active_file:3488kB inactive_file:19088kB unevictable:37548kB writepending:148kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:89664kB pagetables:212672kB bounce:0kB free_pcp:2716kB local_pcp:1424kB free_cma:0kB [ 697.451689] lowmem_reserve[]: 0 0 0 0 [ 697.455748] 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 01:51:23 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x91, 0x400000000000) [ 697.494513] Node 0 DMA32: 794*4kB (UME) 467*8kB (UM) 388*16kB (UME) 381*32kB (UME) 122*64kB (UME) 55*128kB (UME) 24*256kB (UM) 19*512kB (UME) 4*1024kB (UE) 62*2048kB (M) 2*4096kB (M) = 195296kB 01:51:23 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:23 executing program 4: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000000000)={{{@in=@broadcast, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in6=@local}}, &(0x7f0000000100)=0xe8) r2 = getegid() r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vcs\x00', 0x0, 0x0) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r3, 0xc01064b5, &(0x7f00000001c0)={&(0x7f0000000180)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x8}) fchown(r0, r1, r2) r4 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r4, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) [ 697.574563] Node 0 Normal: 9719*4kB (UME) 4455*8kB (UME) 1573*16kB (UME) 547*32kB (UME) 49*64kB (UME) 6*128kB (UE) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 45*2048kB (M) 1*4096kB (M) = 219140kB [ 697.594330] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 697.603975] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 697.613131] 10937 total pagecache pages [ 697.617408] 0 pages in swap cache [ 697.622130] Swap cache stats: add 0, delete 0, find 0/0 [ 697.627869] Free swap = 0kB [ 697.641643] Total swap = 0kB [ 697.651164] 1965979 pages RAM [ 697.651175] 0 pages HighMem/MovableOnly [ 697.664770] 342745 pages reserved [ 697.676936] 0 pages cma reserved [ 697.685539] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 697.705883] syz-executor3 cpuset=syz3 mems_allowed=0 [ 697.712246] CPU: 1 PID: 32498 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 697.719554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 697.728912] Call Trace: [ 697.731522] dump_stack+0x1c4/0x2b4 [ 697.735223] ? dump_stack_print_info.cold.2+0x52/0x52 [ 697.735245] ? kasan_check_read+0x11/0x20 [ 697.744596] warn_alloc.cold.119+0xb7/0x1bd [ 697.748942] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 697.753816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.759391] __vmalloc_node_range+0x472/0x750 [ 697.763912] ? graph_lock+0x170/0x170 [ 697.767732] ? __lock_is_held+0xb5/0x140 [ 697.771803] ? sel_write_load+0x1d1/0x460 [ 697.771824] vmalloc+0x6f/0x80 [ 697.771843] ? sel_write_load+0x1d1/0x460 [ 697.779199] sel_write_load+0x1d1/0x460 [ 697.779237] __vfs_write+0x119/0x9f0 [ 697.779252] ? check_preemption_disabled+0x48/0x200 [ 697.779280] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 697.779299] ? kernel_read+0x120/0x120 [ 697.787464] ? __lock_is_held+0xb5/0x140 [ 697.787509] ? rcu_read_lock_sched_held+0x108/0x120 [ 697.814102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.819647] ? __sb_start_write+0x1b2/0x370 [ 697.824031] vfs_write+0x1fc/0x560 [ 697.824063] ksys_write+0x101/0x260 [ 697.831227] ? __ia32_sys_read+0xb0/0xb0 [ 697.831243] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 697.831278] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 697.831296] ? ksys_ioctl+0x81/0xd0 [ 697.831318] __x64_sys_write+0x73/0xb0 [ 697.853845] do_syscall_64+0x1b9/0x820 [ 697.857743] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 697.863120] ? syscall_return_slowpath+0x5e0/0x5e0 [ 697.868071] ? trace_hardirqs_on_caller+0x310/0x310 [ 697.873101] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 697.878122] ? recalc_sigpending_tsk+0x180/0x180 [ 697.878139] ? kasan_check_write+0x14/0x20 [ 697.878169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.892086] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 697.897291] RIP: 0033:0x457679 [ 697.900529] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 697.919438] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 697.919457] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 697.919480] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 697.919500] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 697.919510] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 697.919519] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 698.084827] Mem-Info: [ 698.088146] active_anon:1177417 inactive_anon:369 isolated_anon:0 [ 698.088146] active_file:1048 inactive_file:4634 isolated_file:0 [ 698.088146] unevictable:9387 dirty:67 writeback:0 unstable:0 [ 698.088146] slab_reclaimable:19744 slab_unreclaimable:116574 [ 698.088146] mapped:49887 shmem:385 pagetables:62324 bounce:0 [ 698.088146] free:108739 free_pcp:1282 free_cma:0 [ 698.137446] Node 0 active_anon:4691368kB inactive_anon:1476kB active_file:4192kB inactive_file:18536kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:199548kB dirty:268kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4136960kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 698.167816] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 698.194629] lowmem_reserve[]: 0 2817 6321 6321 [ 698.199739] Node 0 DMA32 free:197052kB min:30048kB low:37560kB high:45072kB active_anon:2467480kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2576kB local_pcp:1316kB free_cma:0kB [ 698.235156] lowmem_reserve[]: 0 0 3503 3503 [ 698.241129] Node 0 Normal free:254512kB min:37364kB low:46704kB high:56044kB active_anon:2209588kB inactive_anon:1476kB active_file:4188kB inactive_file:18536kB unevictable:37548kB writepending:268kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:89504kB pagetables:212508kB bounce:0kB free_pcp:2696kB local_pcp:1200kB free_cma:0kB [ 698.272693] lowmem_reserve[]: 0 0 0 0 [ 698.276558] 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 [ 698.283817] 9pnet_virtio: no channels available for device /dev/zero [ 698.290872] Node 0 DMA32: 920*4kB (UME) 528*8kB (UM) 395*16kB (UME) 390*32kB (UME) 124*64kB (UME) 55*128kB (UME) 25*256kB (UM) 19*512kB (UME) 4*1024kB (UE) 62*2048kB (M) 2*4096kB (M) = 197072kB [ 698.306425] 9pnet_virtio: no channels available for device /dev/zero [ 698.322235] Node 0 Normal: 13348*4kB (UME) 5734*8kB (UME) 1991*16kB (UME) 671*32kB (UME) 75*64kB (UME) 7*128kB (UE) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 43*2048kB (M) 1*4096kB (M) = 252240kB [ 698.347282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 698.356354] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 698.365037] 10937 total pagecache pages [ 698.369038] 0 pages in swap cache [ 698.372726] Swap cache stats: add 0, delete 0, find 0/0 [ 698.378098] Free swap = 0kB [ 698.381197] Total swap = 0kB [ 698.381209] 1965979 pages RAM [ 698.387330] 0 pages HighMem/MovableOnly [ 698.387350] 342745 pages reserved [ 698.387357] 0 pages cma reserved [ 698.390134] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 698.401354] SELinux: failed to load policy [ 698.412658] device bridge_slave_1 left promiscuous mode [ 698.418164] bridge0: port 2(bridge_slave_1) entered disabled state [ 698.421992] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:51:24 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 698.437599] SELinux: failed to load policy [ 698.460711] device bridge_slave_0 left promiscuous mode [ 698.466204] bridge0: port 1(bridge_slave_0) entered disabled state [ 698.495212] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 698.507266] SELinux: failed to load policy [ 698.516162] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 698.526678] SELinux: failed to load policy [ 698.565510] team0 (unregistering): Port device team_slave_1 removed [ 698.576373] team0 (unregistering): Port device team_slave_0 removed [ 698.587265] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 698.633219] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 698.692213] bond0 (unregistering): Released all slaves [ 699.281333] IPVS: ftp: loaded support on port[0] = 21 [ 700.161202] bridge0: port 1(bridge_slave_0) entered blocking state [ 700.167707] bridge0: port 1(bridge_slave_0) entered disabled state [ 700.174940] device bridge_slave_0 entered promiscuous mode [ 700.204749] bridge0: port 2(bridge_slave_1) entered blocking state [ 700.211360] bridge0: port 2(bridge_slave_1) entered disabled state [ 700.218317] device bridge_slave_1 entered promiscuous mode [ 700.247480] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 700.276430] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 700.358061] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 700.390675] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 700.519853] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 700.526992] team0: Port device team_slave_0 added [ 700.554872] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 700.562101] team0: Port device team_slave_1 added [ 700.592162] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 700.624174] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 700.656160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 700.687927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 700.961928] bridge0: port 2(bridge_slave_1) entered blocking state [ 700.968294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 700.975012] bridge0: port 1(bridge_slave_0) entered blocking state [ 700.981440] bridge0: port 1(bridge_slave_0) entered forwarding state [ 701.980458] 8021q: adding VLAN 0 to HW filter on device bond0 [ 702.082813] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 702.180171] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 702.186302] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 702.194280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 702.285617] 8021q: adding VLAN 0 to HW filter on device team0 01:51:28 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f02", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:28 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1c8, 0x400000000000) 01:51:28 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl(r0, 0x7, &(0x7f0000000280)="153f6234488dd25d766070") r1 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x40, 0x0) ioctl$VT_GETSTATE(r1, 0x5603, &(0x7f0000000040)={0x3, 0x400, 0x1}) getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:28 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:28 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = openat$full(0xffffffffffffff9c, &(0x7f0000000080)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:51:28 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x4c00) [ 702.877334] 9pnet_virtio: no channels available for device /dev/zero" [ 702.885688] 9pnet_virtio: no channels available for device /dev/zero" 01:51:28 executing program 4: r0 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0xde, 0x100) ioctl$RTC_VL_CLR(r0, 0x7014) r1 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) [ 702.945535] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 702.966641] syz-executor3 cpuset=syz3 mems_allowed=0 [ 702.975371] CPU: 0 PID: 320 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 702.982511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 702.991980] Call Trace: [ 702.994593] dump_stack+0x1c4/0x2b4 [ 702.998249] ? dump_stack_print_info.cold.2+0x52/0x52 [ 703.003468] ? kasan_check_read+0x11/0x20 [ 703.007661] warn_alloc.cold.119+0xb7/0x1bd [ 703.012002] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 703.016877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.022465] __vmalloc_node_range+0x472/0x750 [ 703.026609] 9pnet_virtio: no channels available for device /dev/zero [ 703.026993] ? graph_lock+0x170/0x170 [ 703.034578] 9pnet_virtio: no channels available for device /dev/zero [ 703.037296] ? __lock_is_held+0xb5/0x140 [ 703.037319] ? sel_write_load+0x1d1/0x460 [ 703.037340] vmalloc+0x6f/0x80 [ 703.037365] ? sel_write_load+0x1d1/0x460 [ 703.055629] 9pnet_virtio: no channels available for device /dev/zero [ 703.059471] sel_write_load+0x1d1/0x460 [ 703.059509] __vfs_write+0x119/0x9f0 [ 703.059528] ? check_preemption_disabled+0x48/0x200 [ 703.059545] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 703.059575] ? kernel_read+0x120/0x120 [ 703.059601] ? __lock_is_held+0xb5/0x140 [ 703.091665] ? rcu_read_lock_sched_held+0x108/0x120 [ 703.096709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.102266] ? __sb_start_write+0x1b2/0x370 [ 703.106614] vfs_write+0x1fc/0x560 [ 703.110183] ksys_write+0x101/0x260 [ 703.113836] ? __ia32_sys_read+0xb0/0xb0 [ 703.115750] 9pnet_virtio: no channels available for device /dev/zero [ 703.117914] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 703.117944] __x64_sys_write+0x73/0xb0 [ 703.117967] do_syscall_64+0x1b9/0x820 [ 703.117994] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 703.137926] 9pnet_virtio: no channels available for device /dev/zero [ 703.143066] ? syscall_return_slowpath+0x5e0/0x5e0 [ 703.143088] ? trace_hardirqs_on_caller+0x310/0x310 [ 703.143109] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 703.143127] ? recalc_sigpending_tsk+0x180/0x180 [ 703.143144] ? kasan_check_write+0x14/0x20 [ 703.143170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.143197] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 703.183630] RIP: 0033:0x457679 [ 703.186018] 9pnet_virtio: no channels available for device /dev/zero 01:51:29 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:29 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f03", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 703.186833] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 703.186844] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 703.186864] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 703.186876] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 703.186886] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 01:51:29 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1c, 0x400000000000) 01:51:29 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 703.186896] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 703.186913] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 703.199114] 9pnet_virtio: no channels available for device /dev/zero [ 703.230056] Mem-Info: [ 703.267365] active_anon:1174720 inactive_anon:369 isolated_anon:0 [ 703.267365] active_file:1325 inactive_file:4727 isolated_file:0 [ 703.267365] unevictable:9387 dirty:373 writeback:0 unstable:0 [ 703.267365] slab_reclaimable:18340 slab_unreclaimable:118898 01:51:29 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:29 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) [ 703.267365] mapped:58153 shmem:385 pagetables:62582 bounce:0 [ 703.267365] free:101378 free_pcp:1230 free_cma:0 [ 703.305714] Node 0 active_anon:4696840kB inactive_anon:1476kB active_file:5300kB inactive_file:18908kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232612kB dirty:1492kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4141056kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 703.335645] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 703.368239] lowmem_reserve[]: 0 2817 6321 6321 01:51:29 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x1d9, 0x2) r1 = socket(0x10, 0x8000b, 0x7) setsockopt$XDP_RX_RING(r1, 0x11b, 0x2, &(0x7f00000013c0)=0x1000, 0x4) [ 703.377309] Node 0 DMA32 free:199640kB min:30048kB low:37560kB high:45072kB active_anon:2467396kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2884kB local_pcp:1452kB free_cma:0kB [ 703.425715] 9pnet_virtio: no channels available for device /dev/zero [ 703.437159] lowmem_reserve[]: 0 0 3503 3503 [ 703.442071] Node 0 Normal free:188988kB min:37364kB low:46704kB high:56044kB active_anon:2231696kB inactive_anon:1476kB active_file:5296kB inactive_file:18908kB unevictable:37548kB writepending:1488kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:90272kB pagetables:213688kB bounce:0kB free_pcp:1824kB local_pcp:1024kB free_cma:0kB [ 703.474904] lowmem_reserve[]: 0 0 0 0 [ 703.476463] 9pnet_virtio: no channels available for device /dev/zero 01:51:29 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:29 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0xa8, 0x400000000000) [ 703.478945] 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 [ 703.503899] Node 0 DMA32: 920*4kB (UME) 768*8kB (UM) 410*16kB (UME) 390*32kB (UME) 124*64kB (UME) 55*128kB (UME) 27*256kB (UME) 19*512kB (UME) 4*1024kB (UE) 62*2048kB (M) 2*4096kB (M) = 199744kB [ 703.522898] Node 0 Normal: 5299*4kB (UME) 5181*8kB (UME) 2852*16kB (UME) 859*32kB (UME) 36*64kB (UME) 2*128kB (E) 0*256kB 0*512kB 1*1024kB (U) 24*2048kB (M) 0*4096kB = 188500kB [ 703.542760] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 703.552888] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 703.566700] 11307 total pagecache pages [ 703.573924] 0 pages in swap cache [ 703.577408] Swap cache stats: add 0, delete 0, find 0/0 [ 703.584601] Free swap = 0kB [ 703.587635] Total swap = 0kB [ 703.590727] 1965979 pages RAM [ 703.594216] 0 pages HighMem/MovableOnly [ 703.598206] 342745 pages reserved [ 703.605768] 0 pages cma reserved [ 703.613801] 9pnet_virtio: no channels available for device /dev/zero [ 703.623323] 9pnet_virtio: no channels available for device /dev/zero [ 703.634204] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 703.660228] 9pnet_virtio: no channels available for device /dev/zero [ 703.670377] 9pnet_virtio: no channels available for device /dev/zero [ 703.685234] SELinux: failed to load policy [ 703.702752] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 703.717010] syz-executor3 cpuset=syz3 mems_allowed=0 [ 703.722630] CPU: 0 PID: 375 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 703.729752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 703.739127] Call Trace: [ 703.741721] dump_stack+0x1c4/0x2b4 [ 703.745364] ? dump_stack_print_info.cold.2+0x52/0x52 [ 703.750557] ? kasan_check_read+0x11/0x20 [ 703.754703] warn_alloc.cold.119+0xb7/0x1bd [ 703.759018] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 703.763858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.769406] __vmalloc_node_range+0x472/0x750 [ 703.773911] ? graph_lock+0x170/0x170 [ 703.777725] ? __lock_is_held+0xb5/0x140 [ 703.781805] ? sel_write_load+0x1d1/0x460 [ 703.785972] vmalloc+0x6f/0x80 [ 703.789174] ? sel_write_load+0x1d1/0x460 [ 703.793329] sel_write_load+0x1d1/0x460 [ 703.797305] __vfs_write+0x119/0x9f0 [ 703.801012] ? check_preemption_disabled+0x48/0x200 [ 703.806018] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 703.810961] ? kernel_read+0x120/0x120 [ 703.814845] ? __lock_is_held+0xb5/0x140 [ 703.818904] ? rcu_read_lock_sched_held+0x108/0x120 [ 703.823946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 703.829474] ? __sb_start_write+0x1b2/0x370 [ 703.833800] vfs_write+0x1fc/0x560 [ 703.837336] ksys_write+0x101/0x260 [ 703.840960] ? __ia32_sys_read+0xb0/0xb0 [ 703.845012] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 703.850544] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 703.855994] ? ksys_ioctl+0x81/0xd0 [ 703.859615] __x64_sys_write+0x73/0xb0 [ 703.863504] do_syscall_64+0x1b9/0x820 [ 703.867383] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 703.872755] ? syscall_return_slowpath+0x5e0/0x5e0 [ 703.877676] ? trace_hardirqs_on_caller+0x310/0x310 [ 703.882684] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 703.887702] ? recalc_sigpending_tsk+0x180/0x180 [ 703.892462] ? kasan_check_write+0x14/0x20 [ 703.896708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.901566] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 703.906744] RIP: 0033:0x457679 [ 703.909936] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 703.928839] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 703.936560] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 703.943825] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 703.951102] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 01:51:29 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0xb4, 0x400000000000) 01:51:29 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1b6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x10040, 0x0, 0x0, 0x4, 0x0, 0x40000}, 0x0, 0xfffffffffffdffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000abe000)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) syz_open_dev$sndctrl(&(0x7f0000000180)='/dev/snd/controlC#\x00', 0x0, 0x141c00) ioctl$TCSETSF(r2, 0x5404, &(0x7f0000000080)={0x0, 0x9, 0x0, 0x0, 0xffffffff, 0x0, 0x200, 0x7, 0x0, 0x0, 0x3553800000, 0x7f}) r3 = socket(0xa, 0x3, 0x8) ioctl$sock_inet_SIOCSIFFLAGS(r3, 0x8914, &(0x7f0000000000)={"6272696467653000000100"}) ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(0xffffffffffffffff, 0xc1105511, &(0x7f00000001c0)={{0x0, 0x0, 0x100000000, 0x0, 'syz0\x00', 0x4}, 0x1, 0x200, 0x0, 0x0, 0x0, 0x1, "73797a30000000000000000000000000000000000000000000000000000000000000ecba0000000000000000000100", &(0x7f0000000180), 0x0, [], [0x0, 0x9, 0x8]}) ioctl$BLKIOOPT(r1, 0x1279, &(0x7f00000005c0)) ioctl$sock_inet_SIOCSIFFLAGS(r3, 0x8914, &(0x7f0000000100)={'bridge0\x00', 0xfffffffffffffffd}) setsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000640)={{{@in, @in6=@mcast1, 0x0, 0x0, 0x0, 0x40, 0x0, 0x80, 0x80}, {0x0, 0x0, 0x0, 0x0, 0x6}, {0x0, 0x0, 0x0, 0xf68}, 0x5, 0x0, 0x1, 0x0, 0x0, 0x1}, {{@in6=@mcast2, 0x4d6}, 0x0, @in6=@remote, 0x3501, 0x0, 0x1, 0x2, 0x0, 0x3}}, 0xe8) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r3, 0x84, 0x18, &(0x7f00000000c0)={0x0, 0x2}, &(0x7f0000000140)=0x8) ioctl$PPPIOCGL2TPSTATS(r3, 0x80487436, &(0x7f0000000440)="f38c17b0c4dced41baa9f373605fc1d8db3d50fa2dc3d3834ba6942a1547327def75a0cc41ee848fc189bc2d713c23973381a6dea272c49950eeaa2ff82d498233fda193352c5d2f485c382b7bcb8c83da56ac898540e265405323c5b812383927a86c6b2c79211f2c5e4cbe6f84098aa4fe53dcbf206386f90e17e1d8873fbc741d2bb43351610312cd66e39f53b1f48efb11bbae752240ec847806ce54dbe95694d01dd9609a75629cf8c41db3fc921d4d4c1ec03f254433e7256199a385241a84878247e6785b2204b8b63c33ba651ace1dfa3b60f11cd9ac") syz_open_pts(0xffffffffffffffff, 0x4004) clock_gettime(0x0, &(0x7f00000003c0)={0x0, 0x0}) getsockopt$inet_sctp_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f0000000540)={r4, 0x600000000000000}, &(0x7f0000000580)=0x8) setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x14, &(0x7f0000000400)={r5, r6/1000+30000}, 0x10) iopl(0xc1) lseek(r0, 0x0, 0x0) ioctl$BLKSECDISCARD(r1, 0x127d, &(0x7f0000000080)=0x40) 01:51:29 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x10800, 0x0) getsockopt$inet_pktinfo(0xffffffffffffff9c, 0x0, 0x8, &(0x7f0000000100)={0x0, @dev, @dev}, &(0x7f0000000140)=0xc) r3 = getuid() sendmsg$nl_xfrm(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="180100002000180325bd7000fcdbdf252b000000fe8000000000000000000000000000bb7f0000010000000000000000000000004e2100054e2004000a00208033000000", @ANYRES32=r2, @ANYRES32=r3, @ANYBLOB="b2000100736861312d7373736533000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e00300007176def3d0b26c03bb1b784048ecd5d89786c1bbb31c83de9b46f28593097fc5ce9391554979c173c23535c99a4bbc148fc5c439b2574fc89633b2774eb9dcd39a53f8bcae47d79053cda121afb2f9aac1f51efa8735d286bd0e5a2495f1ab73cd3570b4a3b117656974f1113228ad336edc98d61501a4e4b36c4e2e795a0808001d0001"], 0x118}, 0x1, 0x0, 0x0, 0x10}, 0x80) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r4 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r4, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:51:29 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:29 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:29 executing program 4: r0 = socket$inet6(0xa, 0x80000, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000000000)={{{@in6=@ipv4={[], [], @rand_addr}, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in=@multicast2}}, &(0x7f0000000100)=0xe8) r2 = getuid() setsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000140)={{{@in=@dev={0xac, 0x14, 0x14, 0x20}, @in6, 0x4e22, 0x0, 0x4e23, 0x6, 0x2, 0x80, 0xa0, 0x11, r1, r2}, {0x100, 0x6, 0x9, 0xe281, 0x2, 0x80000000, 0x2, 0x9}, {0x56d, 0x9, 0xe71c, 0x9}, 0x200, 0x6e6bb9, 0x2, 0x1, 0x2, 0x1}, {{@in=@dev={0xac, 0x14, 0x14, 0xb}, 0x4d3, 0xff}, 0xa, @in6=@remote, 0x3500, 0x0, 0x2, 0x6, 0x7fff, 0x57b, 0x9}}, 0xe8) [ 703.958360] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 703.965620] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 703.975731] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 703.987225] SELinux: failed to load policy [ 704.029993] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 704.049045] 9pnet_virtio: no channels available for device /dev/zero [ 704.057686] syz-executor3 cpuset=syz3 mems_allowed=0 [ 704.068814] 9pnet_virtio: no channels available for device /dev/zero [ 704.086202] CPU: 1 PID: 392 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 704.093321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 704.102679] Call Trace: [ 704.105286] dump_stack+0x1c4/0x2b4 [ 704.108937] ? dump_stack_print_info.cold.2+0x52/0x52 [ 704.114145] ? kasan_check_read+0x11/0x20 [ 704.118334] warn_alloc.cold.119+0xb7/0x1bd [ 704.122679] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 704.127548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.133145] __vmalloc_node_range+0x472/0x750 [ 704.137659] ? graph_lock+0x170/0x170 [ 704.141472] ? __lock_is_held+0xb5/0x140 [ 704.145573] ? sel_write_load+0x1d1/0x460 [ 704.149735] vmalloc+0x6f/0x80 [ 704.152942] ? sel_write_load+0x1d1/0x460 [ 704.157129] sel_write_load+0x1d1/0x460 [ 704.161128] __vfs_write+0x119/0x9f0 [ 704.164855] ? check_preemption_disabled+0x48/0x200 [ 704.169886] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 704.174837] ? kernel_read+0x120/0x120 [ 704.178745] ? __lock_is_held+0xb5/0x140 [ 704.182838] ? rcu_read_lock_sched_held+0x108/0x120 [ 704.187871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.193424] ? __sb_start_write+0x1b2/0x370 [ 704.197775] vfs_write+0x1fc/0x560 [ 704.201339] ksys_write+0x101/0x260 [ 704.204980] ? __ia32_sys_read+0xb0/0xb0 [ 704.209087] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 704.214562] __x64_sys_write+0x73/0xb0 [ 704.218478] do_syscall_64+0x1b9/0x820 [ 704.222388] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 704.227779] ? syscall_return_slowpath+0x5e0/0x5e0 [ 704.232728] ? trace_hardirqs_on_caller+0x310/0x310 [ 704.237772] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 704.242799] ? recalc_sigpending_tsk+0x180/0x180 [ 704.247569] ? kasan_check_write+0x14/0x20 [ 704.251830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.256700] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 704.261912] RIP: 0033:0x457679 [ 704.265116] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 01:51:30 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x3a, 0x400000000000) 01:51:30 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 704.284024] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 704.291752] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 704.299032] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 704.306327] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 704.313612] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 704.320909] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 704.321140] 9pnet_virtio: no channels available for device /dev/zero [ 704.358672] warn_alloc_show_mem: 1 callbacks suppressed [ 704.358677] Mem-Info: [ 704.367881] active_anon:1178075 inactive_anon:369 isolated_anon:0 [ 704.367881] active_file:1335 inactive_file:4758 isolated_file:0 [ 704.367881] unevictable:9387 dirty:385 writeback:0 unstable:0 [ 704.367881] slab_reclaimable:18249 slab_unreclaimable:119348 [ 704.367881] mapped:58194 shmem:385 pagetables:62749 bounce:0 [ 704.367881] free:97566 free_pcp:1023 free_cma:0 [ 704.377038] 9pnet_virtio: no channels available for device /dev/zero [ 704.402858] Node 0 active_anon:4712300kB inactive_anon:1476kB active_file:5340kB inactive_file:19032kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232776kB dirty:1540kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4161536kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no 01:51:30 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero"', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:30 executing program 4: r0 = creat(&(0x7f0000000040)='./file0\x00', 0x88) setsockopt$inet6_buf(r0, 0x29, 0xcc, &(0x7f0000000080)="0092aeefe0aeb28367da889b6b3450590a2e6ff7cbb3db5db2a0fb492c66ac3b2442410f544b28730cec7f2d702f67b9f206e3b4e7dad435aac6091e2a36bc9864876b5bdcbe8f0b0a92d1476f1e3aa0754ebc4020b3b4fb6cb56290fd6968115b50111b11abc6ff7f20da863f5fd2c6199c89d8639c95023cbbdfe6de04eb72e5b972e8773f3c8c102f918f035ee3fb13e32717c8110b378a0a86b24227ae4bf8c7d27b8469b74bdbb6ebb55d0613707c47d8fb2eb80a1b28402329f146b84c1a634598a4b59ee6a4fe57694f2197188e", 0xd1) r1 = socket$inet6(0xa, 0x401000000000002, 0x0) getrandom(&(0x7f0000000200), 0x0, 0x2) r2 = fcntl$dupfd(r1, 0x406, r1) prctl$setptracer(0x59616d61, 0x0) ioctl$SG_SET_TIMEOUT(r2, 0x2201, &(0x7f0000000000)=0x50a06f17) [ 704.438729] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 704.470315] lowmem_reserve[]: 0 2817 6321 6321 [ 704.477178] Node 0 DMA32 free:202444kB min:30048kB low:37560kB high:45072kB active_anon:2467396kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2828kB local_pcp:1344kB free_cma:0kB [ 704.515619] lowmem_reserve[]: 0 0 3503 3503 [ 704.521018] Node 0 Normal free:172176kB min:37364kB low:46704kB high:56044kB active_anon:2244788kB inactive_anon:1476kB active_file:5336kB inactive_file:19032kB unevictable:37548kB writepending:1536kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:90624kB pagetables:214356kB bounce:0kB free_pcp:1316kB local_pcp:684kB free_cma:0kB [ 704.535744] 9pnet_virtio: no channels available for device /dev/zero 01:51:30 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:30 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1e7, 0x400000000000) [ 704.578463] 9pnet_virtio: no channels available for device /dev/zero [ 704.598460] lowmem_reserve[]: 0 0 0 0 [ 704.603352] 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 01:51:30 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 704.625298] Node 0 DMA32: 976*4kB (UME) 1130*8kB (UME) 436*16kB (UME) 393*32kB (UME) 125*64kB (UME) 55*128kB (UME) 27*256kB (UME) 19*512kB (UME) 4*1024kB (UE) 62*2048kB (M) 2*4096kB (M) = 203440kB [ 704.636241] 9pnet_virtio: no channels available for device /dev/zero [ 704.659718] 9pnet_virtio: no channels available for device /dev/zero [ 704.694051] Node 0 Normal: 4921*4kB (UME) 4514*8kB (UME) 2887*16kB (UME) 857*32kB (UME) 37*64kB (UME) 2*128kB (E) 0*256kB 0*512kB 1*1024kB (U) 15*2048kB (M) 0*4096kB = 163780kB [ 704.714229] 9pnet_virtio: no channels available for device /dev/zero [ 704.728310] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 704.745176] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 704.745218] 9pnet_virtio: no channels available for device /dev/zero [ 704.754789] 11377 total pagecache pages [ 704.765752] 0 pages in swap cache [ 704.776722] Swap cache stats: add 0, delete 0, find 0/0 [ 704.784338] Free swap = 0kB [ 704.787694] Total swap = 0kB [ 704.791786] 1965979 pages RAM [ 704.795217] 0 pages HighMem/MovableOnly [ 704.800704] bridge0: port 1(bridge_slave_0) entered disabled state [ 704.806483] 342745 pages reserved [ 704.811339] 0 pages cma reserved [ 704.816032] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 704.823407] bridge0: port 1(bridge_slave_0) entered blocking state [ 704.831963] bridge0: port 1(bridge_slave_0) entered forwarding state [ 704.838926] device bridge0 entered promiscuous mode [ 704.845507] 9pnet_virtio: no channels available for device /dev/zero" [ 704.853161] 9pnet_virtio: no channels available for device /dev/zero" [ 704.871955] SELinux: failed to load policy [ 704.876362] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 704.887519] syz-executor3 cpuset=syz3 mems_allowed=0 [ 704.894912] CPU: 1 PID: 449 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 704.895071] bridge0: port 1(bridge_slave_0) entered disabled state [ 704.902032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 704.902041] Call Trace: [ 704.902072] dump_stack+0x1c4/0x2b4 [ 704.902097] ? dump_stack_print_info.cold.2+0x52/0x52 [ 704.902121] ? kasan_check_read+0x11/0x20 [ 704.909847] device bridge0 left promiscuous mode [ 704.917791] warn_alloc.cold.119+0xb7/0x1bd [ 704.917812] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 704.917836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.923676] bridge0: port 1(bridge_slave_0) entered blocking state [ 704.924080] __vmalloc_node_range+0x472/0x750 [ 704.929346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 704.933387] ? graph_lock+0x170/0x170 [ 704.933403] ? __lock_is_held+0xb5/0x140 [ 704.933424] ? sel_write_load+0x1d1/0x460 [ 704.946419] device bridge0 entered promiscuous mode [ 704.947340] vmalloc+0x6f/0x80 [ 704.947360] ? sel_write_load+0x1d1/0x460 [ 704.947377] sel_write_load+0x1d1/0x460 [ 704.947401] __vfs_write+0x119/0x9f0 [ 705.002141] ? check_preemption_disabled+0x48/0x200 [ 705.007147] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 705.012073] ? kernel_read+0x120/0x120 [ 705.015956] ? __lock_is_held+0xb5/0x140 [ 705.020016] ? rcu_read_lock_sched_held+0x108/0x120 [ 705.025024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.030568] ? __sb_start_write+0x1b2/0x370 [ 705.034885] vfs_write+0x1fc/0x560 [ 705.038422] ksys_write+0x101/0x260 [ 705.042043] ? __ia32_sys_read+0xb0/0xb0 [ 705.046100] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 705.051630] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 705.057093] ? ksys_ioctl+0x81/0xd0 [ 705.060724] __x64_sys_write+0x73/0xb0 [ 705.064606] do_syscall_64+0x1b9/0x820 [ 705.068482] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 705.073842] ? syscall_return_slowpath+0x5e0/0x5e0 [ 705.078762] ? trace_hardirqs_on_caller+0x310/0x310 [ 705.083768] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 705.088825] ? recalc_sigpending_tsk+0x180/0x180 [ 705.093582] ? kasan_check_write+0x14/0x20 [ 705.097825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.102693] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 705.107906] RIP: 0033:0x457679 [ 705.111103] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 705.129999] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 705.137743] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 01:51:31 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) ioctl$FIGETBSZ(r0, 0x2, &(0x7f0000000140)) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000100000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) ioctl$SG_GET_VERSION_NUM(r1, 0x2282, &(0x7f0000000100)) 01:51:31 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="153f6234488dd25d766070") getrandom(&(0x7f00000000c0), 0x0, 0x2) 01:51:31 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x19d, 0x400000000000) 01:51:31 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:31 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726fff", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:31 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x2, 0x0) write$selinux_load(r0, &(0x7f0000000080)={0xf97cff8c, 0x8, 'SE Linux', "755c1e2504c2"}, 0x16) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 705.145012] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 705.152273] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 705.159542] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 705.166801] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 705.176175] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 705.186064] SELinux: failed to load policy 01:51:31 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:31 executing program 4: r0 = syz_open_dev$rtc(&(0x7f0000000000)='/dev/rtc#\x00', 0x4, 0x20000) ioctl$FS_IOC_GETFSLABEL(r0, 0x81009431, &(0x7f0000000040)) r1 = socket$inet6(0xa, 0x401000000000002, 0x0) getsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000180)=@assoc_value={0x0}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f00000002c0)={r2, @in6={{0xa, 0x4e23, 0x0, @loopback, 0x1}}}, 0x84) ioctl(r1, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x66, 0x2) ioctl$sock_inet_SIOCGIFDSTADDR(r1, 0x8917, &(0x7f0000000140)={'dummy0\x00', {0x2, 0x4e22, @multicast2}}) [ 705.235995] 9pnet_virtio: no channels available for device /dev/zero [ 705.255631] SELinux: failed to load policy [ 705.260524] 9pnet_virtio: no channels available for device /dev/zero [ 705.266033] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 705.300385] syz-executor3 cpuset=syz3 mems_allowed=0 [ 705.319860] CPU: 0 PID: 461 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 705.327007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 705.336372] Call Trace: [ 705.338995] dump_stack+0x1c4/0x2b4 [ 705.342648] ? dump_stack_print_info.cold.2+0x52/0x52 [ 705.347875] ? kasan_check_read+0x11/0x20 [ 705.352071] warn_alloc.cold.119+0xb7/0x1bd [ 705.356413] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 705.360389] 9pnet_virtio: no channels available for device /dev/zero [ 705.361285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.361359] __vmalloc_node_range+0x472/0x750 [ 705.361380] ? graph_lock+0x170/0x170 [ 705.381187] 9pnet_virtio: no channels available for device /dev/zero˙ [ 705.381701] ? __lock_is_held+0xb5/0x140 [ 705.381722] ? sel_write_load+0x1d1/0x460 [ 705.381743] vmalloc+0x6f/0x80 01:51:31 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 705.398130] 9pnet_virtio: no channels available for device /dev/zero˙ [ 705.399742] ? sel_write_load+0x1d1/0x460 [ 705.399761] sel_write_load+0x1d1/0x460 [ 705.399787] __vfs_write+0x119/0x9f0 [ 705.399804] ? check_preemption_disabled+0x48/0x200 [ 705.399821] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 705.399840] ? kernel_read+0x120/0x120 [ 705.399862] ? __lock_is_held+0xb5/0x140 [ 705.436192] ? rcu_read_lock_sched_held+0x108/0x120 [ 705.441234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.446796] ? __sb_start_write+0x1b2/0x370 01:51:31 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 705.451138] vfs_write+0x1fc/0x560 [ 705.454709] ksys_write+0x101/0x260 [ 705.458361] ? __ia32_sys_read+0xb0/0xb0 [ 705.459473] 9pnet_virtio: no channels available for device /dev/zero [ 705.462443] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 705.462471] __x64_sys_write+0x73/0xb0 [ 705.462504] do_syscall_64+0x1b9/0x820 [ 705.462523] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 705.462543] ? syscall_return_slowpath+0x5e0/0x5e0 [ 705.462570] ? trace_hardirqs_on_caller+0x310/0x310 [ 705.486209] 9pnet_virtio: no channels available for device /dev/zero [ 705.487652] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 705.487670] ? recalc_sigpending_tsk+0x180/0x180 [ 705.487687] ? kasan_check_write+0x14/0x20 [ 705.487713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.487745] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 705.528175] RIP: 0033:0x457679 [ 705.531389] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 01:51:31 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726fff", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:31 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0xa7, 0x400000000000) [ 705.544769] 9pnet_virtio: no channels available for device /dev/zero [ 705.550295] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 705.550314] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 705.550324] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 705.550334] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 705.550344] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 705.550354] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 705.562034] warn_alloc_show_mem: 1 callbacks suppressed [ 705.562039] Mem-Info: [ 705.628156] 9pnet_virtio: no channels available for device /dev/zero˙ [ 705.646074] active_anon:1185135 inactive_anon:369 isolated_anon:0 [ 705.646074] active_file:1359 inactive_file:4794 isolated_file:0 [ 705.646074] unevictable:9387 dirty:415 writeback:0 unstable:0 [ 705.646074] slab_reclaimable:18116 slab_unreclaimable:119516 [ 705.646074] mapped:58189 shmem:385 pagetables:63100 bounce:0 [ 705.646074] free:89696 free_pcp:1073 free_cma:0 [ 705.675552] 9pnet_virtio: no channels available for device /dev/zero [ 705.682885] Node 0 active_anon:4740540kB inactive_anon:1476kB active_file:5436kB inactive_file:19176kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232756kB dirty:1660kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4196352kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 705.687853] 9pnet_virtio: no channels available for device /dev/zero˙ [ 705.717015] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 705.750517] lowmem_reserve[]: 0 2817 6321 6321 [ 705.755447] Node 0 DMA32 free:207100kB min:30048kB low:37560kB high:45072kB active_anon:2467396kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2696kB local_pcp:1296kB free_cma:0kB [ 705.785625] lowmem_reserve[]: 0 0 3503 3503 [ 705.790991] Node 0 Normal free:136048kB min:37364kB low:46704kB high:56044kB active_anon:2273144kB inactive_anon:1476kB active_file:5432kB inactive_file:19176kB unevictable:37548kB writepending:1656kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:91584kB pagetables:215612kB bounce:0kB free_pcp:1816kB local_pcp:1104kB free_cma:0kB [ 705.823192] lowmem_reserve[]: 0 0 0 0 [ 705.827348] 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 [ 705.841706] Node 0 DMA32: 1021*4kB (UME) 1447*8kB (UME) 459*16kB (UME) 394*32kB (UME) 126*64kB (UME) 53*128kB (UME) 28*256kB (UME) 20*512kB (UME) 4*1024kB (UE) 62*2048kB (M) 2*4096kB (M) = 207132kB [ 705.860637] Node 0 Normal: 4228*4kB (UME) 3891*8kB (UME) 2906*16kB (UME) 852*32kB (UME) 37*64kB (UME) 2*128kB (E) 0*256kB 0*512kB 1*1024kB (U) 5*2048kB (M) 0*4096kB = 135688kB [ 705.877147] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 705.886114] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 705.894773] 11408 total pagecache pages [ 705.898756] 0 pages in swap cache [ 705.902305] Swap cache stats: add 0, delete 0, find 0/0 [ 705.907674] Free swap = 0kB [ 705.910781] Total swap = 0kB [ 705.913821] 1965979 pages RAM [ 705.916940] 0 pages HighMem/MovableOnly [ 705.921008] 342745 pages reserved [ 705.924461] 0 pages cma reserved [ 705.932654] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 705.944368] SELinux: failed to load policy [ 705.949536] SELinux: failed to load policy [ 705.953884] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 705.965212] syz-executor3 cpuset=syz3 mems_allowed=0 [ 705.970804] CPU: 1 PID: 508 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 705.977944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 705.987284] Call Trace: [ 705.989901] dump_stack+0x1c4/0x2b4 [ 705.993533] ? dump_stack_print_info.cold.2+0x52/0x52 [ 705.998720] ? kasan_check_read+0x11/0x20 [ 706.002879] warn_alloc.cold.119+0xb7/0x1bd [ 706.007193] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 706.012031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.017582] __vmalloc_node_range+0x472/0x750 [ 706.022089] ? graph_lock+0x170/0x170 [ 706.025882] ? __lock_is_held+0xb5/0x140 [ 706.029962] ? sel_write_load+0x1d1/0x460 [ 706.034120] vmalloc+0x6f/0x80 [ 706.037313] ? sel_write_load+0x1d1/0x460 [ 706.041450] sel_write_load+0x1d1/0x460 [ 706.045418] __vfs_write+0x119/0x9f0 [ 706.049132] ? check_preemption_disabled+0x48/0x200 [ 706.054159] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 706.059097] ? kernel_read+0x120/0x120 [ 706.062990] ? __lock_is_held+0xb5/0x140 [ 706.067055] ? rcu_read_lock_sched_held+0x108/0x120 [ 706.072070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.077596] ? __sb_start_write+0x1b2/0x370 [ 706.081911] vfs_write+0x1fc/0x560 [ 706.085462] ksys_write+0x101/0x260 [ 706.089107] ? __ia32_sys_read+0xb0/0xb0 [ 706.093162] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 706.098637] __x64_sys_write+0x73/0xb0 [ 706.102542] do_syscall_64+0x1b9/0x820 [ 706.106448] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 706.111919] ? syscall_return_slowpath+0x5e0/0x5e0 [ 706.116842] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.121973] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 706.126990] ? recalc_sigpending_tsk+0x180/0x180 [ 706.131759] ? kasan_check_write+0x14/0x20 [ 706.136012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.140889] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 706.146083] RIP: 0033:0x457679 [ 706.149378] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 706.168507] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 706.176218] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 706.183626] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 706.191025] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 01:51:32 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) r1 = syz_open_dev$vcsa(&(0x7f0000000240)='/dev/vcsa#\x00', 0x1, 0x90000) ioctl$sock_inet6_tcp_SIOCATMARK(r1, 0x8905, &(0x7f0000000280)) write$selinux_load(r0, &(0x7f0000000100)=ANY=[], 0x0) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$KVM_GET_NESTED_STATE(r2, 0xc080aebe, &(0x7f0000000300)={0x0, 0x0, 0x2080}) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) flistxattr(r0, &(0x7f0000000100)=""/48, 0x30) getsockopt$IP_VS_SO_GET_DESTS(r2, 0x0, 0x484, &(0x7f0000002380)=""/156, &(0x7f0000000140)=0x9c) lseek(r0, 0x0, 0x0) 01:51:32 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0xab, 0x400000000000) 01:51:32 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f05", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:32 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:32 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x800, 0x0) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) openat$fuse(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/fuse\x00', 0x2, 0x0) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(r1, 0x28, 0x6, &(0x7f0000000080)={r2, r3/1000+30000}, 0x10) ioctl$KVM_ASSIGN_SET_MSIX_ENTRY(r1, 0x4010ae74, &(0x7f0000000100)={0x6, 0x876}) sysfs$2(0x2, 0x3, &(0x7f0000000180)=""/41) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r1, 0xc4c85513, &(0x7f00000001c0)={{0x9, 0x0, 0xfffffffffffeffff, 0x0, '\x00', 0x8}, 0x0, [0x432, 0x1f, 0x2, 0x9, 0x10000, 0xc76d, 0x80, 0x0, 0x3, 0x6, 0x0, 0x7fff, 0x2, 0xc0000, 0x5, 0x8, 0xffffffffffffff01, 0x401, 0x95, 0xbd, 0x3f, 0x5, 0x1, 0xac, 0x400, 0x100000000, 0x6, 0x9, 0x2, 0x0, 0x5, 0x6, 0x2, 0x13, 0x40, 0x0, 0x8000, 0x0, 0x5, 0x3, 0x1f, 0x8, 0x4, 0x7, 0x800, 0x10001, 0x4, 0x0, 0x44, 0x2, 0x100000001, 0xbd4, 0x6, 0x10001, 0x9, 0x400, 0x6, 0x1, 0x80000000, 0x8af7, 0x3c7e, 0x8, 0x80000001, 0x6, 0x4, 0x1000, 0x8, 0x2, 0x59ce, 0x6, 0x1ff, 0x7, 0x56, 0x2, 0x401, 0x73d, 0x20, 0x7f, 0x3, 0x0, 0x7f, 0x9, 0xa5, 0x9, 0x9, 0x7, 0x0, 0x4, 0x3, 0x6, 0x101, 0xcd, 0xffff, 0x4, 0x10001, 0x8000, 0x9, 0x401, 0xe157, 0x10000, 0x8d31, 0x7d40, 0x7, 0x0, 0x5461, 0x4, 0x0, 0x800, 0x2, 0x68, 0x7, 0x1298dd5a, 0x3f, 0x5, 0xffff, 0x2, 0x401, 0x5, 0x6, 0x4385, 0x2, 0xffffffffffffff23, 0xa5e6, 0x6, 0x0, 0x5, 0x401, 0x5], {0x0, 0x989680}}) ioctl(r0, 0x8912, &(0x7f0000000140)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:32 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x1, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 706.198323] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 706.205725] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 706.219978] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 706.230722] SELinux: failed to load policy 01:51:32 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:32 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x11b, 0x400000000000) [ 706.274221] 9pnet_virtio: no channels available for device /dev/zero [ 706.286791] 9pnet_virtio: no channels available for device /dev/zero [ 706.299295] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) 01:51:32 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) r1 = fcntl$dupfd(r0, 0x406, r0) getsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f00000000c0), &(0x7f0000000100)=0x8) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) setsockopt(r0, 0x9, 0x8, &(0x7f0000000000)="048d11e9f02f81fa0d51cc212fcb57e8a307b2135e271bb6e1d2d8ecf8b4f2c98f0558b2e70e086ed6aea541d1528c263c4cb3537cacaf0307fb3bd34ef5fecb1a87cfed7c50c03e3816b3319cc9a8582c45d28d76c4c3db60c6f35ae20b27119371e116ff641a1f29d53811e3d1e47266bf98810112160b51837e230a927b80f97357966f18474e5587e8100a16eda23accda", 0x93) [ 706.327323] syz-executor3 cpuset=syz3 mems_allowed=0 [ 706.368082] CPU: 1 PID: 524 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 706.375284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 706.384674] Call Trace: [ 706.385399] 9pnet_virtio: no channels available for device /dev/zero [ 706.387285] dump_stack+0x1c4/0x2b4 [ 706.387310] ? dump_stack_print_info.cold.2+0x52/0x52 [ 706.387334] ? kasan_check_read+0x11/0x20 [ 706.387376] warn_alloc.cold.119+0xb7/0x1bd [ 706.400735] 9pnet_virtio: no channels available for device /dev/zero 01:51:32 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 706.402677] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 706.402704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.402751] __vmalloc_node_range+0x472/0x750 [ 706.407971] 9pnet_virtio: no channels available for device /dev/zero [ 706.411205] ? graph_lock+0x170/0x170 [ 706.411223] ? __lock_is_held+0xb5/0x140 [ 706.411243] ? sel_write_load+0x1d1/0x460 [ 706.411262] vmalloc+0x6f/0x80 [ 706.411293] ? sel_write_load+0x1d1/0x460 [ 706.411309] sel_write_load+0x1d1/0x460 [ 706.411333] __vfs_write+0x119/0x9f0 01:51:32 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726fc0", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 706.411353] ? check_preemption_disabled+0x48/0x200 [ 706.432308] 9pnet_virtio: no channels available for device /dev/zero [ 706.432727] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 706.454416] ? kernel_read+0x120/0x120 [ 706.462552] ? __lock_is_held+0xb5/0x140 [ 706.462587] ? rcu_read_lock_sched_held+0x108/0x120 [ 706.462609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.462625] ? __sb_start_write+0x1b2/0x370 [ 706.462647] vfs_write+0x1fc/0x560 [ 706.462673] ksys_write+0x101/0x260 [ 706.462700] ? __ia32_sys_read+0xb0/0xb0 [ 706.516854] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 706.522349] __x64_sys_write+0x73/0xb0 [ 706.526263] do_syscall_64+0x1b9/0x820 [ 706.527844] 9pnet_virtio: no channels available for device /dev/zero [ 706.536643] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 706.536666] ? syscall_return_slowpath+0x5e0/0x5e0 [ 706.536688] ? trace_hardirqs_on_caller+0x310/0x310 [ 706.536707] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 706.536727] ? recalc_sigpending_tsk+0x180/0x180 [ 706.561808] ? kasan_check_write+0x14/0x20 01:51:32 executing program 4: r0 = socket$inet6(0xa, 0x80a, 0x2) r1 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r2 = syz_open_dev$usbmon(&(0x7f00000001c0)='/dev/usbmon#\x00', 0x0, 0x400000) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r2, 0x40505412, &(0x7f0000000200)={0x1, 0xffffffffffff6543, 0x7, 0x0, 0xf}) getsockopt$bt_rfcomm_RFCOMM_CONNINFO(r2, 0x12, 0x2, &(0x7f0000000100)=""/104, &(0x7f0000000340)=0xfffffffffffffdfc) getrandom(&(0x7f0000000200), 0x0, 0x2) ioctl$sock_bt_bnep_BNEPCONNADD(0xffffffffffffffff, 0x400442c8, &(0x7f0000000380)=ANY=[@ANYRES32=r0, @ANYBLOB="040000000300bc114298ac416048bb644e4332cf5677d0b971e3582c5c89ce8830b529def90d331f1d29ce3fcc8c7166699caf281ebade125777f1015f979a1c645ad0539a4d98192a11a2391472016bd5859cd6748ae39d91a23188a6ddd4aae60900"]) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x66, &(0x7f0000000180)={0x0, 0x100000001}, &(0x7f0000000400)=0x8) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000000)={r3}, &(0x7f0000000040)=0x1a4) getsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000080)=@assoc_id=r3, &(0x7f00000000c0)=0x4) [ 706.566073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.570943] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 706.576152] RIP: 0033:0x457679 [ 706.579358] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 706.598266] 9pnet_virtio: no channels available for device /dev/zero [ 706.604763] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 706.612487] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 706.619793] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 706.627101] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 706.634385] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 706.641669] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 706.672742] warn_alloc_show_mem: 1 callbacks suppressed [ 706.672760] Mem-Info: [ 706.681290] active_anon:1187878 inactive_anon:367 isolated_anon:0 [ 706.681290] active_file:1385 inactive_file:4818 isolated_file:0 [ 706.681290] unevictable:9387 dirty:426 writeback:0 unstable:0 [ 706.681290] slab_reclaimable:18067 slab_unreclaimable:119919 [ 706.681290] mapped:58246 shmem:385 pagetables:63252 bounce:0 [ 706.681290] free:86304 free_pcp:1144 free_cma:0 [ 706.716385] Node 0 active_anon:4751412kB inactive_anon:1468kB active_file:5540kB inactive_file:19272kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232784kB dirty:1704kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4208640kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 706.745631] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 706.755223] 9pnet_virtio: no channels available for device /dev/zeroŔ [ 706.772930] lowmem_reserve[]: 0 2817 6321 6321 [ 706.789962] 9pnet_virtio: no channels available for device /dev/zeroŔ [ 706.799267] Node 0 DMA32 free:209308kB min:30048kB low:37560kB high:45072kB active_anon:2467396kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2816kB local_pcp:1444kB free_cma:0kB [ 706.832466] lowmem_reserve[]: 0 0 3503 3503 [ 706.836872] Node 0 Normal free:119992kB min:37364kB low:46704kB high:56044kB active_anon:2284076kB inactive_anon:1468kB active_file:5536kB inactive_file:19272kB unevictable:37548kB writepending:1700kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:91808kB pagetables:216220kB bounce:0kB free_pcp:1748kB local_pcp:1332kB free_cma:0kB [ 706.868228] lowmem_reserve[]: 0 0 0 0 [ 706.872154] 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 [ 706.885970] Node 0 DMA32: 1021*4kB (UME) 1702*8kB (UME) 466*16kB (UME) 395*32kB (UME) 126*64kB (UME) 53*128kB (UME) 28*256kB (UME) 20*512kB (UME) 4*1024kB (UE) 61*2048kB (M) 2*4096kB (M) = 207268kB [ 706.904014] Node 0 Normal: 3850*4kB (UME) 3597*8kB (UME) 2809*16kB (UME) 845*32kB (UME) 38*64kB (UME) 2*128kB (E) 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 119872kB [ 706.920485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 706.929774] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 706.938532] 11458 total pagecache pages [ 706.942738] 0 pages in swap cache [ 706.946304] Swap cache stats: add 0, delete 0, find 0/0 [ 706.951788] Free swap = 0kB [ 706.954812] Total swap = 0kB [ 706.957824] 1965979 pages RAM [ 706.961022] 0 pages HighMem/MovableOnly [ 706.965011] 342745 pages reserved [ 706.968456] 0 pages cma reserved [ 706.972152] syz-executor5: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 706.982234] syz-executor5 cpuset=syz5 mems_allowed=0 [ 706.987601] CPU: 0 PID: 565 Comm: syz-executor5 Not tainted 4.19.0-rc4+ #28 [ 706.994719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 707.004077] Call Trace: [ 707.006682] dump_stack+0x1c4/0x2b4 [ 707.010328] ? dump_stack_print_info.cold.2+0x52/0x52 [ 707.015535] ? kasan_check_read+0x11/0x20 [ 707.019714] warn_alloc.cold.119+0xb7/0x1bd [ 707.024045] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 707.028898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.034476] __vmalloc_node_range+0x472/0x750 [ 707.038984] ? graph_lock+0x170/0x170 [ 707.042798] ? __lock_is_held+0xb5/0x140 [ 707.046867] ? sel_write_load+0x1d1/0x460 [ 707.051042] vmalloc+0x6f/0x80 [ 707.054236] ? sel_write_load+0x1d1/0x460 [ 707.058372] sel_write_load+0x1d1/0x460 [ 707.062353] __vfs_write+0x119/0x9f0 [ 707.066071] ? check_preemption_disabled+0x48/0x200 [ 707.071102] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 707.076039] ? kernel_read+0x120/0x120 [ 707.079950] ? __lock_is_held+0xb5/0x140 [ 707.084053] ? rcu_read_lock_sched_held+0x108/0x120 [ 707.089111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.094659] ? __sb_start_write+0x1b2/0x370 [ 707.098989] vfs_write+0x1fc/0x560 [ 707.102560] ksys_write+0x101/0x260 [ 707.106209] ? __ia32_sys_read+0xb0/0xb0 [ 707.110287] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 707.115744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.121288] ? ksys_ioctl+0x81/0xd0 [ 707.124920] __x64_sys_write+0x73/0xb0 [ 707.128806] do_syscall_64+0x1b9/0x820 [ 707.132691] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 707.138084] ? syscall_return_slowpath+0x5e0/0x5e0 [ 707.143012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.147858] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.152877] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 707.157899] ? prepare_exit_to_usermode+0x291/0x3b0 [ 707.162910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.167763] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 707.172958] RIP: 0033:0x457679 [ 707.176146] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 707.195035] RSP: 002b:00007fcadea39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 707.202816] RAX: ffffffffffffffda RBX: 00007fcadea3a6d4 RCX: 0000000000457679 [ 707.210081] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 707.217359] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 707.224644] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 707.231922] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 707.245801] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 707.256853] syz-executor3 cpuset=syz3 mems_allowed=0 [ 707.262229] CPU: 0 PID: 567 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 707.269371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 707.278732] Call Trace: [ 707.281321] dump_stack+0x1c4/0x2b4 [ 707.284951] ? dump_stack_print_info.cold.2+0x52/0x52 [ 707.290172] ? kasan_check_read+0x11/0x20 [ 707.294329] warn_alloc.cold.119+0xb7/0x1bd [ 707.298654] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 707.303515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.309062] __vmalloc_node_range+0x472/0x750 [ 707.313572] ? graph_lock+0x170/0x170 [ 707.317390] ? __lock_is_held+0xb5/0x140 [ 707.321467] ? sel_write_load+0x1d1/0x460 [ 707.325641] vmalloc+0x6f/0x80 [ 707.328847] ? sel_write_load+0x1d1/0x460 [ 707.332985] sel_write_load+0x1d1/0x460 [ 707.336958] __vfs_write+0x119/0x9f0 [ 707.340668] ? check_preemption_disabled+0x48/0x200 [ 707.345672] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 707.350592] ? kernel_read+0x120/0x120 [ 707.354472] ? __lock_is_held+0xb5/0x140 [ 707.358537] ? rcu_read_lock_sched_held+0x108/0x120 [ 707.363548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.369079] ? __sb_start_write+0x1b2/0x370 [ 707.373406] vfs_write+0x1fc/0x560 [ 707.376945] ksys_write+0x101/0x260 [ 707.380575] ? __ia32_sys_read+0xb0/0xb0 [ 707.384630] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 707.390191] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 707.395650] ? ksys_ioctl+0x81/0xd0 [ 707.399285] __x64_sys_write+0x73/0xb0 [ 707.403163] do_syscall_64+0x1b9/0x820 [ 707.407042] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 707.412398] ? syscall_return_slowpath+0x5e0/0x5e0 [ 707.417332] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.422358] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 707.427374] ? recalc_sigpending_tsk+0x180/0x180 [ 707.432126] ? kasan_check_write+0x14/0x20 [ 707.436375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.441228] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 707.446430] RIP: 0033:0x457679 [ 707.449637] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 707.468526] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 707.476253] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 707.483516] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 707.490793] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 707.498066] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 707.505335] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 707.514735] syz-executor5: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 707.524874] syz-executor5 cpuset=syz5 mems_allowed=0 [ 707.530425] CPU: 0 PID: 570 Comm: syz-executor5 Not tainted 4.19.0-rc4+ #28 [ 707.537540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 707.546885] Call Trace: [ 707.549480] dump_stack+0x1c4/0x2b4 [ 707.553107] ? dump_stack_print_info.cold.2+0x52/0x52 [ 707.558285] ? kasan_check_read+0x11/0x20 [ 707.562426] warn_alloc.cold.119+0xb7/0x1bd [ 707.566739] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 707.571580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.577119] __vmalloc_node_range+0x472/0x750 [ 707.581622] ? graph_lock+0x170/0x170 [ 707.585412] ? __lock_is_held+0xb5/0x140 [ 707.589477] ? sel_write_load+0x1d1/0x460 [ 707.593632] vmalloc+0x6f/0x80 [ 707.596829] ? sel_write_load+0x1d1/0x460 [ 707.600965] sel_write_load+0x1d1/0x460 [ 707.604930] __vfs_write+0x119/0x9f0 [ 707.608629] ? check_preemption_disabled+0x48/0x200 [ 707.613635] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 707.618563] ? kernel_read+0x120/0x120 [ 707.622458] ? __lock_is_held+0xb5/0x140 [ 707.626541] ? rcu_read_lock_sched_held+0x108/0x120 [ 707.631555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.637078] ? __sb_start_write+0x1b2/0x370 [ 707.641388] vfs_write+0x1fc/0x560 [ 707.644920] ksys_write+0x101/0x260 [ 707.648537] ? __ia32_sys_read+0xb0/0xb0 [ 707.652594] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 707.658028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.663560] ? ksys_ioctl+0x81/0xd0 [ 707.667200] __x64_sys_write+0x73/0xb0 [ 707.671081] do_syscall_64+0x1b9/0x820 [ 707.674971] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 707.680324] ? syscall_return_slowpath+0x5e0/0x5e0 [ 707.685244] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.690261] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 707.695264] ? recalc_sigpending_tsk+0x180/0x180 [ 707.700023] ? kasan_check_write+0x14/0x20 [ 707.704248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.709082] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 707.714265] RIP: 0033:0x457679 [ 707.717461] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 707.736350] RSP: 002b:00007fcadea18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 707.744067] RAX: ffffffffffffffda RBX: 00007fcadea196d4 RCX: 0000000000457679 [ 707.751327] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000006 [ 707.758583] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 707.765853] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 707.773122] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 707.782197] warn_alloc_show_mem: 2 callbacks suppressed [ 707.782202] Mem-Info: [ 707.790256] active_anon:1188398 inactive_anon:369 isolated_anon:0 [ 707.790256] active_file:1392 inactive_file:4826 isolated_file:0 [ 707.790256] unevictable:9387 dirty:473 writeback:0 unstable:0 [ 707.790256] slab_reclaimable:18038 slab_unreclaimable:119936 [ 707.790256] mapped:58176 shmem:385 pagetables:63232 bounce:0 [ 707.790256] free:85766 free_pcp:1110 free_cma:0 [ 707.824600] Node 0 active_anon:4753592kB inactive_anon:1476kB active_file:5568kB inactive_file:19304kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232704kB dirty:1892kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4208640kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 707.853563] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 707.879790] lowmem_reserve[]: 0 2817 6321 6321 [ 707.884437] Node 0 DMA32 free:207404kB min:30048kB low:37560kB high:45072kB active_anon:2469444kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2816kB local_pcp:1372kB free_cma:0kB [ 707.913599] lowmem_reserve[]: 0 0 3503 3503 [ 707.917967] Node 0 Normal free:119816kB min:37364kB low:46704kB high:56044kB active_anon:2284148kB inactive_anon:1476kB active_file:5564kB inactive_file:19304kB unevictable:37548kB writepending:1888kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:91776kB pagetables:216140kB bounce:0kB free_pcp:1616kB local_pcp:408kB free_cma:0kB [ 707.948976] lowmem_reserve[]: 0 0 0 0 [ 707.952916] 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 [ 707.966728] Node 0 DMA32: 1021*4kB (UME) 1703*8kB (UME) 466*16kB (UME) 395*32kB (UME) 126*64kB (UME) 54*128kB (UME) 28*256kB (UME) 20*512kB (UME) 4*1024kB (UE) 61*2048kB (M) 2*4096kB (M) = 207404kB [ 707.984709] Node 0 Normal: 3850*4kB (UME) 3631*8kB (UME) 2820*16kB (UME) 849*32kB (UME) 38*64kB (UME) 2*128kB (E) 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 120448kB [ 708.000417] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 708.009309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 708.017871] 11481 total pagecache pages [ 708.021907] 0 pages in swap cache 01:51:34 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000480)=ANY=[@ANYBLOB="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"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x8000, 0x30}, &(0x7f0000000140)=0xc) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000240)={r2, 0x5c, &(0x7f00000001c0)=[@in={0x2, 0x4e24, @multicast2}, @in6={0xa, 0x4e20, 0x3ff, @ipv4={[], [], @multicast2}, 0x2}, @in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0xa}}, @in={0x2, 0x4e21, @remote}, @in={0x2, 0x4e21, @multicast2}]}, &(0x7f0000000280)=0x10) lseek(r0, 0x0, 0x0) 01:51:34 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:34 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x3d, 0x400000000000) 01:51:34 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:34 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000100), 0xffffffffffffff67, 0xffffffffffffffff) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x101000, 0x0) setsockopt$RDS_CONG_MONITOR(r1, 0x114, 0x6, &(0x7f0000000080), 0x4) chdir(&(0x7f0000000000)='./file0\x00') 01:51:34 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/load\x00', 0x2, 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 708.025381] Swap cache stats: add 0, delete 0, find 0/0 [ 708.030809] Free swap = 0kB [ 708.033836] Total swap = 0kB [ 708.036849] 1965979 pages RAM [ 708.040037] 0 pages HighMem/MovableOnly [ 708.044043] 342745 pages reserved [ 708.047492] 0 pages cma reserved [ 708.073013] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 708.089074] syz-executor3 cpuset=syz3 mems_allowed=0 [ 708.095629] 9pnet_virtio: no channels available for device /dev/zero [ 708.099269] CPU: 1 PID: 576 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 708.109252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.109260] Call Trace: [ 708.109284] dump_stack+0x1c4/0x2b4 [ 708.109310] ? dump_stack_print_info.cold.2+0x52/0x52 [ 708.109335] ? kasan_check_read+0x11/0x20 [ 708.130112] warn_alloc.cold.119+0xb7/0x1bd [ 708.130134] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 708.130158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.130205] __vmalloc_node_range+0x472/0x750 [ 708.130224] ? graph_lock+0x170/0x170 [ 708.130243] ? __lock_is_held+0xb5/0x140 [ 708.161453] ? sel_write_load+0x1d1/0x460 [ 708.165648] vmalloc+0x6f/0x80 [ 708.168887] ? sel_write_load+0x1d1/0x460 01:51:34 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x64, 0x400000000000) [ 708.171808] 9pnet_virtio: no channels available for device /dev/zero [ 708.173063] sel_write_load+0x1d1/0x460 [ 708.183562] __vfs_write+0x119/0x9f0 [ 708.187293] ? check_preemption_disabled+0x48/0x200 [ 708.192319] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 708.197262] ? kernel_read+0x120/0x120 [ 708.201198] ? __lock_is_held+0xb5/0x140 [ 708.205365] ? rcu_read_lock_sched_held+0x108/0x120 [ 708.210407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.215955] ? __sb_start_write+0x1b2/0x370 [ 708.220297] vfs_write+0x1fc/0x560 01:51:34 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:34 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f03", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 708.223865] ksys_write+0x101/0x260 [ 708.227527] ? __ia32_sys_read+0xb0/0xb0 [ 708.228754] 9pnet_virtio: no channels available for device /dev/zero [ 708.231636] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 708.231665] __x64_sys_write+0x73/0xb0 [ 708.231688] do_syscall_64+0x1b9/0x820 [ 708.231706] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 708.231726] ? syscall_return_slowpath+0x5e0/0x5e0 [ 708.231747] ? trace_hardirqs_on_caller+0x310/0x310 [ 708.245417] 9pnet_virtio: no channels available for device /dev/zero 01:51:34 executing program 4: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/net/tun\x00', 0x0, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$nl_generic(0x10, 0x3, 0x10) pread64(0xffffffffffffffff, &(0x7f0000000340)=""/39, 0x10, 0x0) lseek(r0, 0x0, 0x0) sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0), 0xc, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="2800000010005fba000000000000000000000000", @ANYRES32=0x0, @ANYBLOB="0000000000800272f211153a132708001b00"], 0x28}}, 0x0) r2 = socket$inet6(0xa, 0x401000000000002, 0x0) r3 = syz_open_dev$adsp(&(0x7f00000002c0)='/dev/adsp#\x00', 0x200, 0x8000) ioctl$DRM_IOCTL_FREE_BUFS(r3, 0x4010641a, &(0x7f0000000380)={0x2, &(0x7f0000000300)=[0x1, 0x3]}) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000180)={0x0, @broadcast, @local}, &(0x7f00000001c0)=0xc) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000200)={'team_slave_0\x00', r4}) [ 708.247608] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 708.247639] ? recalc_sigpending_tsk+0x180/0x180 [ 708.247655] ? kasan_check_write+0x14/0x20 [ 708.247682] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.273337] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 708.283092] RIP: 0033:0x457679 [ 708.283110] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 708.283119] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 708.283138] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 708.283147] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 708.283157] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 708.283171] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 708.356276] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 708.358670] 9pnet_virtio: no channels available for device /dev/zero 01:51:34 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x120, 0x400000000000) [ 708.375349] netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. [ 708.391693] 9pnet_virtio: no channels available for device /dev/zero 01:51:34 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 708.415796] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 708.436412] netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. [ 708.436514] syz-executor3 cpuset=syz3 mems_allowed=0 [ 708.479448] CPU: 0 PID: 604 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 708.486611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.495973] Call Trace: [ 708.496903] 9pnet_virtio: no channels available for device /dev/zero [ 708.498590] dump_stack+0x1c4/0x2b4 [ 708.498611] ? dump_stack_print_info.cold.2+0x52/0x52 [ 708.498631] ? kasan_check_read+0x11/0x20 [ 708.518121] warn_alloc.cold.119+0xb7/0x1bd [ 708.518266] 9pnet_virtio: no channels available for device /dev/zero [ 708.522458] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 708.522483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.522541] __vmalloc_node_range+0x472/0x750 [ 708.543868] ? graph_lock+0x170/0x170 [ 708.546037] 9pnet_virtio: no channels available for device /dev/zero [ 708.547677] ? __lock_is_held+0xb5/0x140 [ 708.547699] ? sel_write_load+0x1d1/0x460 [ 708.547720] vmalloc+0x6f/0x80 [ 708.558610] 9pnet_virtio: no channels available for device /dev/zero [ 708.562408] ? sel_write_load+0x1d1/0x460 [ 708.562426] sel_write_load+0x1d1/0x460 [ 708.562449] __vfs_write+0x119/0x9f0 [ 708.584107] ? check_preemption_disabled+0x48/0x200 [ 708.589135] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 708.594084] ? kernel_read+0x120/0x120 [ 708.597990] ? __lock_is_held+0xb5/0x140 [ 708.602081] ? rcu_read_lock_sched_held+0x108/0x120 [ 708.607124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.612694] ? __sb_start_write+0x1b2/0x370 [ 708.617039] vfs_write+0x1fc/0x560 [ 708.620600] ksys_write+0x101/0x260 [ 708.620622] ? __ia32_sys_read+0xb0/0xb0 [ 708.620638] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 708.620657] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 708.620676] ? ksys_ioctl+0x81/0xd0 [ 708.628365] __x64_sys_write+0x73/0xb0 [ 708.646867] do_syscall_64+0x1b9/0x820 [ 708.650783] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 708.656164] ? syscall_return_slowpath+0x5e0/0x5e0 [ 708.661111] ? trace_hardirqs_on_caller+0x310/0x310 [ 708.666143] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 708.671194] ? recalc_sigpending_tsk+0x180/0x180 [ 708.675980] ? kasan_check_write+0x14/0x20 [ 708.680212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.685081] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 708.690272] RIP: 0033:0x457679 [ 708.693453] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 708.712466] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 708.720198] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 708.727479] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 708.734768] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 708.742035] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 708.749306] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 01:51:34 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0xbf}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a78c6c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:34 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:34 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:34 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400068000000) 01:51:34 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r1 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x10080, 0x1) ioctl$TIOCLINUX4(r1, 0x541c, &(0x7f0000000040)) 01:51:34 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0xfffffffffffffffa) r2 = geteuid() r3 = getegid() r4 = openat$zero(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/zero\x00', 0x101200, 0x0) r5 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000240)='IPVS\x00') sendmsg$IPVS_CMD_GET_DAEMON(r4, &(0x7f0000000400)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x202}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)={0xcc, r5, 0x600, 0x70bd2c, 0x25dfdbfd, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x8}, @IPVS_CMD_ATTR_DEST={0x1c, 0x2, [@IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e24}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0xd7f}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0x2}]}, @IPVS_CMD_ATTR_DAEMON={0x20, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'bridge_slave_0\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @loopback}]}, @IPVS_CMD_ATTR_DAEMON={0x34, 0x3, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0xffffffffffffff1a}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @dev={0xfe, 0x80, [], 0x14}}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth1\x00'}]}, @IPVS_CMD_ATTR_DAEMON={0x38, 0x3, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @ipv4={[], [], @multicast1}}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x2}]}, 0xcc}, 0x1, 0x0, 0x0, 0xc001}, 0x8080) keyctl$chown(0x4, r1, r2, r3) r6 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r6, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) setsockopt$IP_VS_SO_SET_DELDEST(r6, 0x0, 0x488, &(0x7f0000000100)={{0x0, @multicast2, 0x4e23, 0x4, 'sed\x00', 0x20, 0x8, 0x7a}, {@loopback, 0x4e24, 0x2, 0xc400, 0x8, 0x4}}, 0x44) [ 708.771819] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 708.783238] SELinux: failed to load policy [ 708.792169] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 708.802264] SELinux: failed to load policy [ 708.824392] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 708.842371] syz-executor3 cpuset=syz3 mems_allowed=0 [ 708.847536] CPU: 0 PID: 631 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 708.854647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.864007] Call Trace: [ 708.866626] dump_stack+0x1c4/0x2b4 [ 708.870282] ? dump_stack_print_info.cold.2+0x52/0x52 [ 708.875515] ? kasan_check_read+0x11/0x20 [ 708.879711] warn_alloc.cold.119+0xb7/0x1bd [ 708.884065] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 708.888937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.894528] __vmalloc_node_range+0x472/0x750 [ 708.899078] ? graph_lock+0x170/0x170 [ 708.902893] ? __lock_is_held+0xb5/0x140 [ 708.906995] ? sel_write_load+0x1d1/0x460 [ 708.911161] vmalloc+0x6f/0x80 [ 708.914366] ? sel_write_load+0x1d1/0x460 [ 708.918536] sel_write_load+0x1d1/0x460 [ 708.922564] __vfs_write+0x119/0x9f0 [ 708.926295] ? check_preemption_disabled+0x48/0x200 [ 708.931325] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 708.936269] ? kernel_read+0x120/0x120 [ 708.940178] ? __lock_is_held+0xb5/0x140 [ 708.944268] ? rcu_read_lock_sched_held+0x108/0x120 [ 708.949310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 708.954884] ? __sb_start_write+0x1b2/0x370 [ 708.959229] vfs_write+0x1fc/0x560 [ 708.962809] ksys_write+0x101/0x260 [ 708.966453] ? __ia32_sys_read+0xb0/0xb0 [ 708.970546] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 708.976045] __x64_sys_write+0x73/0xb0 [ 708.979978] do_syscall_64+0x1b9/0x820 [ 708.983873] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 708.989251] ? syscall_return_slowpath+0x5e0/0x5e0 [ 708.994196] ? trace_hardirqs_on_caller+0x310/0x310 [ 708.999222] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 709.004273] ? recalc_sigpending_tsk+0x180/0x180 [ 709.009044] ? kasan_check_write+0x14/0x20 [ 709.013301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.018160] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 709.023353] RIP: 0033:0x457679 [ 709.026580] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 709.045486] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 709.053222] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 709.060572] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 709.067852] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 01:51:34 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400074000000) 01:51:35 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400003000000) [ 709.075127] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 709.082423] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 709.099320] 9pnet_virtio: no channels available for device /dev/zero [ 709.108606] 9pnet_virtio: no channels available for device /dev/zero [ 709.116172] warn_alloc_show_mem: 2 callbacks suppressed [ 709.116177] Mem-Info: [ 709.126099] active_anon:1194357 inactive_anon:369 isolated_anon:0 01:51:35 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:35 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000700) [ 709.126099] active_file:1394 inactive_file:4839 isolated_file:0 [ 709.126099] unevictable:9387 dirty:482 writeback:0 unstable:0 [ 709.126099] slab_reclaimable:18002 slab_unreclaimable:120068 [ 709.126099] mapped:58201 shmem:385 pagetables:63519 bounce:0 [ 709.126099] free:79282 free_pcp:928 free_cma:0 01:51:35 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000000)={0x0, 0x0, 0x0}, &(0x7f0000000040)=0xc) r2 = getegid() setregid(r1, r2) syncfs(r0) getrandom(&(0x7f0000000200), 0x0, 0x2) [ 709.181460] Node 0 active_anon:4775372kB inactive_anon:1476kB active_file:5576kB inactive_file:19356kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232804kB dirty:1928kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4222976kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no 01:51:35 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x4000, 0x0) r2 = fcntl$getown(r0, 0x9) write$FUSE_LK(r1, &(0x7f0000000040)={0x28, 0x0, 0x4, {{0x7fffffff, 0xff16, 0x0, r2}}}, 0x28) ioctl(r0, 0x8912, &(0x7f0000000100)="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") getrandom(&(0x7f0000000200), 0x0, 0x2) [ 709.234597] 9pnet_virtio: no channels available for device /dev/zero [ 709.247067] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 709.279906] 9pnet_virtio: no channels available for device /dev/zero [ 709.282285] lowmem_reserve[]: 0 2817 6321 6321 [ 709.304949] Node 0 DMA32 free:185992kB min:30048kB low:37560kB high:45072kB active_anon:2494020kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2724kB local_pcp:1304kB free_cma:0kB [ 709.326694] 9pnet_virtio: no channels available for device /dev/zero [ 709.348437] lowmem_reserve[]: 0 0 3503 3503 [ 709.363943] Node 0 Normal free:112172kB min:37364kB low:46704kB high:56044kB active_anon:2285592kB inactive_anon:1476kB active_file:5572kB inactive_file:19356kB unevictable:37548kB writepending:1924kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:92640kB pagetables:217436kB bounce:0kB free_pcp:1628kB local_pcp:596kB free_cma:0kB [ 709.398179] lowmem_reserve[]: 0 0 0 0 [ 709.403320] 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 [ 709.417598] Node 0 DMA32: 1058*4kB (UME) 1809*8kB (UME) 597*16kB (UME) 401*32kB (UME) 127*64kB (UME) 54*128kB (UME) 28*256kB (UME) 20*512kB (UME) 4*1024kB (UE) 49*2048kB (M) 2*4096kB (M) = 186176kB [ 709.436005] Node 0 Normal: 3151*4kB (UME) 3619*8kB (UME) 2505*16kB (UME) 841*32kB (UME) 43*64kB (UME) 2*128kB (E) 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 112580kB [ 709.451694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 709.460690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 709.469386] 11490 total pagecache pages [ 709.473379] 0 pages in swap cache [ 709.476841] Swap cache stats: add 0, delete 0, find 0/0 [ 709.482278] Free swap = 0kB [ 709.485339] Total swap = 0kB [ 709.488350] 1965979 pages RAM [ 709.491549] 0 pages HighMem/MovableOnly [ 709.495536] 342745 pages reserved [ 709.499006] 0 pages cma reserved [ 709.502926] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 709.513031] SELinux: failed to load policy [ 709.517328] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 709.527347] syz-executor3 cpuset=syz3 mems_allowed=0 [ 709.532578] CPU: 1 PID: 650 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 709.539695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 709.549063] Call Trace: [ 709.551684] dump_stack+0x1c4/0x2b4 [ 709.555315] ? dump_stack_print_info.cold.2+0x52/0x52 [ 709.560507] ? kasan_check_read+0x11/0x20 [ 709.564696] warn_alloc.cold.119+0xb7/0x1bd [ 709.569028] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 709.573871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.579439] __vmalloc_node_range+0x472/0x750 [ 709.583942] ? graph_lock+0x170/0x170 [ 709.587744] ? __lock_is_held+0xb5/0x140 [ 709.591812] ? sel_write_load+0x1d1/0x460 [ 709.595966] vmalloc+0x6f/0x80 [ 709.599164] ? sel_write_load+0x1d1/0x460 [ 709.603326] sel_write_load+0x1d1/0x460 [ 709.607331] __vfs_write+0x119/0x9f0 [ 709.611103] ? check_preemption_disabled+0x48/0x200 [ 709.616136] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 709.621077] ? kernel_read+0x120/0x120 [ 709.624968] ? __lock_is_held+0xb5/0x140 [ 709.629026] ? rcu_read_lock_sched_held+0x108/0x120 [ 709.634038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.639572] ? __sb_start_write+0x1b2/0x370 [ 709.643904] vfs_write+0x1fc/0x560 [ 709.647638] ksys_write+0x101/0x260 [ 709.651311] ? __ia32_sys_read+0xb0/0xb0 [ 709.655383] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 709.660935] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 709.666391] __x64_sys_write+0x73/0xb0 [ 709.670272] do_syscall_64+0x1b9/0x820 [ 709.674162] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 709.679526] ? syscall_return_slowpath+0x5e0/0x5e0 [ 709.684465] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.689508] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 709.694568] ? recalc_sigpending_tsk+0x180/0x180 [ 709.699343] ? kasan_check_write+0x14/0x20 [ 709.703586] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.708434] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 709.713613] RIP: 0033:0x457679 [ 709.716807] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 709.735712] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 709.743408] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 709.750674] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 709.757961] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 709.765222] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 709.772486] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 01:51:35 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092a799cd43ab3ccb98addba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198e"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:35 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:35 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x40000000006c) 01:51:35 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero,', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:35 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000000), 0xffffffffffffff85, 0x2) 01:51:35 executing program 3: r0 = syz_open_dev$audion(&(0x7f0000000100)='/dev/audio#\x00', 0x3, 0x8881) ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f0000000140)={0x0}) ioctl$DRM_IOCTL_NEW_CTX(r0, 0x40086425, &(0x7f00000001c0)={r1, 0x2}) r2 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x3ffffffe, 0x0, 0xfffffffffffffffe, &(0x7f0000000080), 0xffffffffffffffff) write$selinux_load(r2, &(0x7f0000000300)=ANY=[], 0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040)={0xaa, 0xe03aa76503632f69}) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000000)=0x0) getpgid(r3) r4 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r4, 0x400454d4, &(0x7f00000000c0)) lseek(r2, 0x0, 0x100000000000000) [ 709.782366] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 709.792476] SELinux: failed to load policy [ 709.826930] 9pnet_virtio: no channels available for device /dev/zero 01:51:35 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726ff6", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 709.838811] 9pnet_virtio: no channels available for device /dev/zero [ 709.862296] 9pnet_virtio: no channels available for device /dev/zero, [ 709.870312] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 709.874305] 9pnet_virtio: no channels available for device /dev/zero, 01:51:35 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000048) [ 709.903388] syz-executor3 cpuset=syz3 mems_allowed=0 [ 709.925782] CPU: 1 PID: 694 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 709.932026] 9pnet_virtio: no channels available for device /dev/zeroö [ 709.932922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 709.932930] Call Trace: [ 709.932953] dump_stack+0x1c4/0x2b4 [ 709.932976] ? dump_stack_print_info.cold.2+0x52/0x52 [ 709.948932] ? kasan_check_read+0x11/0x20 [ 709.948958] warn_alloc.cold.119+0xb7/0x1bd [ 709.948979] ? zone_watermark_ok_safe+0x3f0/0x3f0 01:51:35 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\a', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 709.955194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.955243] __vmalloc_node_range+0x472/0x750 [ 709.983810] ? graph_lock+0x170/0x170 [ 709.987627] ? __lock_is_held+0xb5/0x140 [ 709.988522] 9pnet_virtio: no channels available for device /dev/zeroö [ 709.991696] ? sel_write_load+0x1d1/0x460 [ 709.991717] vmalloc+0x6f/0x80 [ 709.991735] ? sel_write_load+0x1d1/0x460 [ 709.991754] sel_write_load+0x1d1/0x460 [ 710.013773] __vfs_write+0x119/0x9f0 [ 710.017517] ? check_preemption_disabled+0x48/0x200 01:51:36 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000f0ff7f) [ 710.022549] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 710.027507] ? kernel_read+0x120/0x120 [ 710.031425] ? __lock_is_held+0xb5/0x140 [ 710.035526] ? rcu_read_lock_sched_held+0x108/0x120 [ 710.040564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.046136] ? __sb_start_write+0x1b2/0x370 [ 710.050488] vfs_write+0x1fc/0x560 [ 710.054079] ksys_write+0x101/0x260 [ 710.057727] ? __ia32_sys_read+0xb0/0xb0 [ 710.061809] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 710.067295] __x64_sys_write+0x73/0xb0 [ 710.071200] do_syscall_64+0x1b9/0x820 01:51:36 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000007400) [ 710.075110] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 710.080515] ? syscall_return_slowpath+0x5e0/0x5e0 [ 710.085483] ? trace_hardirqs_on_caller+0x310/0x310 [ 710.090552] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 710.095587] ? recalc_sigpending_tsk+0x180/0x180 [ 710.100374] ? kasan_check_write+0x14/0x20 [ 710.104636] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.109528] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 710.114728] RIP: 0033:0x457679 [ 710.117932] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 710.136840] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 710.144565] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 710.151878] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 710.159161] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 710.166441] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff 01:51:36 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000006) [ 710.173726] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 710.184136] warn_alloc_show_mem: 1 callbacks suppressed [ 710.184141] Mem-Info: [ 710.197455] active_anon:1197620 inactive_anon:369 isolated_anon:0 [ 710.197455] active_file:1396 inactive_file:4847 isolated_file:0 [ 710.197455] unevictable:9387 dirty:494 writeback:0 unstable:0 [ 710.197455] slab_reclaimable:17881 slab_unreclaimable:120130 [ 710.197455] mapped:58178 shmem:385 pagetables:63684 bounce:0 [ 710.197455] free:75594 free_pcp:1122 free_cma:0 [ 710.244304] Node 0 active_anon:4794728kB inactive_anon:1476kB active_file:5584kB inactive_file:19388kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232912kB dirty:1976kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4233216kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 710.262517] 9pnet_virtio: no channels available for device /dev/zero [ 710.280815] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 710.316700] lowmem_reserve[]: 0 2817 6321 6321 [ 710.322164] Node 0 DMA32 free:174708kB min:30048kB low:37560kB high:45072kB active_anon:2508356kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2592kB local_pcp:1260kB free_cma:0kB [ 710.326936] 9pnet_virtio: no channels available for device /dev/zero [ 710.352012] lowmem_reserve[]: 0 0 3503 3503 [ 710.364135] Node 0 Normal free:107520kB min:37364kB low:46704kB high:56044kB active_anon:2286420kB inactive_anon:1476kB active_file:5580kB inactive_file:19388kB unevictable:37548kB writepending:1972kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:93024kB pagetables:217948kB bounce:0kB free_pcp:1696kB local_pcp:992kB free_cma:0kB [ 710.395312] lowmem_reserve[]: 0 0 0 0 [ 710.399232] 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 [ 710.413010] Node 0 DMA32: 1079*4kB (UME) 1948*8kB (UME) 664*16kB (UME) 409*32kB (UME) 129*64kB (UME) 52*128kB (UME) 28*256kB (UME) 21*512kB (UME) 4*1024kB (UE) 42*2048kB (M) 2*4096kB (M) = 174748kB [ 710.431044] Node 0 Normal: 2836*4kB (UME) 3600*8kB (UME) 2285*16kB (UME) 832*32kB (UME) 44*64kB (UME) 2*128kB (E) 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 107424kB [ 710.446756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 710.455706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 710.464384] 11503 total pagecache pages [ 710.468376] 0 pages in swap cache [ 710.471912] Swap cache stats: add 0, delete 0, find 0/0 [ 710.477283] Free swap = 0kB [ 710.480379] Total swap = 0kB [ 710.483419] 1965979 pages RAM [ 710.486517] 0 pages HighMem/MovableOnly [ 710.490569] 342745 pages reserved [ 710.494031] 0 pages cma reserved [ 710.501951] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 710.513753] SELinux: failed to load policy 01:51:36 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:36 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:36 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400001000000) 01:51:36 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 710.541114] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 710.553748] SELinux: failed to load policy [ 710.583674] 9pnet_virtio: no channels available for device /dev/zero [ 710.594454] 9pnet_virtio: no channels available for device /dev/zero [ 710.646148] 9pnet_virtio: no channels available for device /dev/zero [ 710.660709] 9pnet_virtio: no channels available for device /dev/zero 01:51:36 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r1 = openat$rtc(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rtc0\x00', 0x200200, 0x0) accept$unix(r1, &(0x7f0000000100)=@abs, &(0x7f0000000180)=0x6e) getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:36 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) fremovexattr(r1, &(0x7f0000000000)=@random={'security.', '/dev/full\x00'}) lseek(r0, 0x0, 0x100000000000000) 01:51:36 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:36 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000600) 01:51:36 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 710.693432] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:51:36 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zerok', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:36 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000074) [ 710.739569] 9pnet_virtio: no channels available for device /dev/zero [ 710.760748] 9pnet_virtio: no channels available for device /dev/zero 01:51:36 executing program 4: statfs(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=""/28) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) [ 710.818937] SELinux: failed to load policy [ 710.838416] 9pnet_virtio: no channels available for device /dev/zerok [ 710.856773] 9pnet_virtio: no channels available for device /dev/zerok [ 710.896160] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 710.897703] 9pnet_virtio: no channels available for device /dev/zero [ 710.920892] syz-executor3 cpuset=syz3 mems_allowed=0 [ 710.926724] CPU: 0 PID: 760 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 710.933844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 710.943206] Call Trace: [ 710.945818] dump_stack+0x1c4/0x2b4 [ 710.949464] ? dump_stack_print_info.cold.2+0x52/0x52 [ 710.954696] ? kasan_check_read+0x11/0x20 [ 710.958848] warn_alloc.cold.119+0xb7/0x1bd [ 710.963198] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 710.968068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 710.973618] __vmalloc_node_range+0x472/0x750 [ 710.978106] ? graph_lock+0x170/0x170 [ 710.981916] ? __lock_is_held+0xb5/0x140 [ 710.985981] ? sel_write_load+0x1d1/0x460 [ 710.990136] vmalloc+0x6f/0x80 [ 710.993320] ? sel_write_load+0x1d1/0x460 [ 710.997473] sel_write_load+0x1d1/0x460 [ 711.001451] __vfs_write+0x119/0x9f0 [ 711.005168] ? check_preemption_disabled+0x48/0x200 [ 711.010175] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 711.015114] ? kernel_read+0x120/0x120 [ 711.018997] ? __lock_is_held+0xb5/0x140 [ 711.023059] ? rcu_read_lock_sched_held+0x108/0x120 [ 711.028071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.033650] ? __sb_start_write+0x1b2/0x370 [ 711.037988] vfs_write+0x1fc/0x560 [ 711.041540] ksys_write+0x101/0x260 [ 711.045168] ? __ia32_sys_read+0xb0/0xb0 [ 711.049235] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 711.054701] __x64_sys_write+0x73/0xb0 [ 711.058602] do_syscall_64+0x1b9/0x820 [ 711.062521] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 711.067890] ? syscall_return_slowpath+0x5e0/0x5e0 [ 711.072810] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.077844] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 711.082853] ? recalc_sigpending_tsk+0x180/0x180 [ 711.087612] ? kasan_check_write+0x14/0x20 [ 711.091868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.096720] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 711.101910] RIP: 0033:0x457679 [ 711.105092] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 711.123980] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 711.131677] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 711.138942] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 01:51:37 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:37 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\a', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:37 executing program 4: r0 = socket$inet6(0xa, 0x0, 0x80000001) getsockopt$sock_buf(r0, 0x1, 0x37, &(0x7f0000000040)=""/22, &(0x7f0000000080)=0x16) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) setsockopt$bt_hci_HCI_FILTER(r1, 0x0, 0x2, &(0x7f00000000c0)={0x3ff, 0x0, 0x4, 0xfff}, 0x10) getrandom(&(0x7f0000000200), 0x0, 0x2) setsockopt$inet_sctp6_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000000)=0x2, 0x4) 01:51:37 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f8c", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:37 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000005) [ 711.146212] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 711.153475] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 711.160759] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 711.171172] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 711.181447] SELinux: failed to load policy [ 711.186083] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 711.208438] syz-executor3 cpuset=syz3 mems_allowed=0 [ 711.215785] CPU: 0 PID: 789 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 711.222929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 711.232155] 9pnet_virtio: no channels available for device /dev/zero [ 711.232288] Call Trace: [ 711.232312] dump_stack+0x1c4/0x2b4 [ 711.232338] ? dump_stack_print_info.cold.2+0x52/0x52 [ 711.232364] ? kasan_check_read+0x11/0x20 [ 711.254515] warn_alloc.cold.119+0xb7/0x1bd [ 711.258882] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 711.263751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.269338] __vmalloc_node_range+0x472/0x750 [ 711.273854] ? graph_lock+0x170/0x170 [ 711.277666] ? __lock_is_held+0xb5/0x140 [ 711.281764] ? sel_write_load+0x1d1/0x460 [ 711.281785] vmalloc+0x6f/0x80 [ 711.281802] ? sel_write_load+0x1d1/0x460 [ 711.281819] sel_write_load+0x1d1/0x460 [ 711.281844] __vfs_write+0x119/0x9f0 [ 711.281864] ? check_preemption_disabled+0x48/0x200 [ 711.306031] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 711.310994] ? kernel_read+0x120/0x120 [ 711.314903] ? __lock_is_held+0xb5/0x140 [ 711.318167] 9pnet_virtio: no channels available for device /dev/zero [ 711.318995] ? rcu_read_lock_sched_held+0x108/0x120 [ 711.319016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.319035] ? __sb_start_write+0x1b2/0x370 [ 711.340489] vfs_write+0x1fc/0x560 [ 711.344064] ksys_write+0x101/0x260 [ 711.347737] ? __ia32_sys_read+0xb0/0xb0 [ 711.351814] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 711.357395] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 711.362857] ? ksys_ioctl+0x81/0xd0 [ 711.366516] __x64_sys_write+0x73/0xb0 [ 711.370436] do_syscall_64+0x1b9/0x820 [ 711.374337] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 711.379727] ? syscall_return_slowpath+0x5e0/0x5e0 [ 711.384676] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.389706] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 711.394742] ? recalc_sigpending_tsk+0x180/0x180 [ 711.399524] ? kasan_check_write+0x14/0x20 [ 711.403787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.408668] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 711.413889] RIP: 0033:0x457679 [ 711.417091] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 711.436001] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 711.443719] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 711.450999] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 711.458291] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 711.465596] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 711.472874] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 711.550603] warn_alloc_show_mem: 1 callbacks suppressed [ 711.550622] Mem-Info: [ 711.553986] 9pnet_virtio: no channels available for device /dev/zeroŚ [ 711.556285] active_anon:1202508 inactive_anon:367 isolated_anon:0 [ 711.556285] active_file:1409 inactive_file:4859 isolated_file:0 [ 711.556285] unevictable:9387 dirty:502 writeback:0 unstable:0 [ 711.556285] slab_reclaimable:17845 slab_unreclaimable:120319 [ 711.556285] mapped:58217 shmem:385 pagetables:63865 bounce:0 [ 711.556285] free:70048 free_pcp:1234 free_cma:0 [ 711.562623] 9pnet_virtio: no channels available for device /dev/zeroŚ [ 711.565952] Node 0 active_anon:4810032kB inactive_anon:1468kB active_file:5636kB inactive_file:19436kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232868kB dirty:2008kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4245504kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 711.636398] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 711.663084] lowmem_reserve[]: 0 2817 6321 6321 [ 711.667813] Node 0 DMA32 free:163216kB min:30048kB low:37560kB high:45072kB active_anon:2524740kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2700kB local_pcp:1432kB free_cma:0kB [ 711.697236] lowmem_reserve[]: 0 0 3503 3503 [ 711.701724] Node 0 Normal free:98620kB min:37364kB low:46704kB high:56044kB active_anon:2287344kB inactive_anon:1476kB active_file:5692kB inactive_file:19472kB unevictable:37548kB writepending:2040kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:93568kB pagetables:218920kB bounce:0kB free_pcp:1976kB local_pcp:1044kB free_cma:0kB [ 711.732726] lowmem_reserve[]: 0 0 0 0 [ 711.736654] 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 [ 711.750424] Node 0 DMA32: 1102*4kB (UME) 2064*8kB (UME) 874*16kB (UME) 423*32kB (UME) 130*64kB (UME) 52*128kB (UME) 28*256kB (UME) 21*512kB (UME) 4*1024kB (UE) 34*2048kB (M) 2*4096kB (M) = 163256kB [ 711.768453] Node 0 Normal: 2395*4kB (UME) 3599*8kB (ME) 1877*16kB (UME) 816*32kB (UME) 44*64kB (UME) 2*128kB (E) 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 98612kB [ 711.784085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 711.793010] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 01:51:37 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) finit_module(r0, &(0x7f0000000000)='/selinux/load\x00', 0x1) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:51:37 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f06", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:37 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") socket$inet6(0xa, 0x6, 0x570) getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:37 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400004000000) 01:51:37 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 711.801655] 11551 total pagecache pages [ 711.805639] 0 pages in swap cache [ 711.809087] Swap cache stats: add 0, delete 0, find 0/0 [ 711.814568] Free swap = 0kB [ 711.817597] Total swap = 0kB [ 711.820694] 1965979 pages RAM [ 711.823817] 0 pages HighMem/MovableOnly [ 711.827780] 342745 pages reserved [ 711.831300] 0 pages cma reserved 01:51:37 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:37 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400080e7ff1f) [ 711.860696] 9pnet_virtio: no channels available for device /dev/zero [ 711.879072] 9pnet_virtio: no channels available for device /dev/zero [ 711.881377] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 711.942965] 9pnet_virtio: no channels available for device /dev/zero [ 711.957132] 9pnet_virtio: no channels available for device /dev/zero [ 711.971320] 9pnet_virtio: no channels available for device /dev/zero [ 712.002654] SELinux: failed to load policy [ 712.008103] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 712.019423] syz-executor3 cpuset=syz3 mems_allowed=0 [ 712.026517] CPU: 0 PID: 822 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 712.026888] 9pnet_virtio: no channels available for device /dev/zero [ 712.033646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 712.033654] Call Trace: [ 712.033676] dump_stack+0x1c4/0x2b4 [ 712.033701] ? dump_stack_print_info.cold.2+0x52/0x52 [ 712.033726] ? kasan_check_read+0x11/0x20 [ 712.033756] warn_alloc.cold.119+0xb7/0x1bd [ 712.033776] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 712.033801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.033863] __vmalloc_node_range+0x472/0x750 [ 712.084357] ? graph_lock+0x170/0x170 [ 712.088175] ? __lock_is_held+0xb5/0x140 [ 712.092254] ? sel_write_load+0x1d1/0x460 [ 712.096434] vmalloc+0x6f/0x80 [ 712.099632] ? sel_write_load+0x1d1/0x460 [ 712.103772] sel_write_load+0x1d1/0x460 [ 712.107757] __vfs_write+0x119/0x9f0 [ 712.111476] ? check_preemption_disabled+0x48/0x200 [ 712.116487] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 712.121433] ? kernel_read+0x120/0x120 [ 712.125313] ? __lock_is_held+0xb5/0x140 [ 712.129370] ? rcu_read_lock_sched_held+0x108/0x120 [ 712.134374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.139901] ? __sb_start_write+0x1b2/0x370 [ 712.144213] vfs_write+0x1fc/0x560 [ 712.147748] ksys_write+0x101/0x260 [ 712.151368] ? __ia32_sys_read+0xb0/0xb0 [ 712.155422] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 712.160865] __x64_sys_write+0x73/0xb0 [ 712.164758] do_syscall_64+0x1b9/0x820 [ 712.168639] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 712.173995] ? syscall_return_slowpath+0x5e0/0x5e0 [ 712.178926] ? trace_hardirqs_on_caller+0x310/0x310 [ 712.183960] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 712.188988] ? recalc_sigpending_tsk+0x180/0x180 [ 712.193730] ? kasan_check_write+0x14/0x20 [ 712.197959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.202813] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 712.208007] RIP: 0033:0x457679 [ 712.211195] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 712.230109] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 712.237847] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 712.245136] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 712.252404] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 712.259673] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 712.266944] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 712.293783] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 712.306378] SELinux: failed to load policy [ 712.311269] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 712.321270] syz-executor3 cpuset=syz3 mems_allowed=0 [ 712.326426] CPU: 0 PID: 845 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 712.333546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 712.342929] Call Trace: [ 712.345571] dump_stack+0x1c4/0x2b4 [ 712.349227] ? dump_stack_print_info.cold.2+0x52/0x52 [ 712.349252] ? kasan_check_read+0x11/0x20 [ 712.349282] warn_alloc.cold.119+0xb7/0x1bd [ 712.358629] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 712.367791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.373391] __vmalloc_node_range+0x472/0x750 [ 712.377909] ? graph_lock+0x170/0x170 [ 712.381790] ? __lock_is_held+0xb5/0x140 [ 712.385868] ? sel_write_load+0x1d1/0x460 [ 712.390029] vmalloc+0x6f/0x80 [ 712.393242] ? sel_write_load+0x1d1/0x460 [ 712.397315] 9pnet_virtio: no channels available for device /dev/zero 01:51:38 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e3dc13e4c72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000200)='/dev/full\x00', 0x803fffe, 0x0) ioctl$RTC_IRQP_READ(r1, 0x8008700b, &(0x7f0000000140)) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f00000001c0)=0x8, 0x4) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:38 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='setgroups\x00') ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000040)=0x8) 01:51:38 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:38 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f7f", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:38 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000004c00) [ 712.397406] sel_write_load+0x1d1/0x460 [ 712.407967] __vfs_write+0x119/0x9f0 [ 712.409799] 9pnet_virtio: no channels available for device /dev/zero [ 712.411702] ? check_preemption_disabled+0x48/0x200 [ 712.423321] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 712.428282] ? kernel_read+0x120/0x120 [ 712.432203] ? __lock_is_held+0xb5/0x140 [ 712.436300] ? rcu_read_lock_sched_held+0x108/0x120 [ 712.441344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.446891] ? __sb_start_write+0x1b2/0x370 [ 712.451242] vfs_write+0x1fc/0x560 [ 712.454807] ksys_write+0x101/0x260 [ 712.458451] ? __ia32_sys_read+0xb0/0xb0 [ 712.462530] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 712.468097] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 712.473563] ? ksys_ioctl+0x81/0xd0 [ 712.477206] __x64_sys_write+0x73/0xb0 [ 712.481104] do_syscall_64+0x1b9/0x820 [ 712.485003] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 712.490376] ? syscall_return_slowpath+0x5e0/0x5e0 [ 712.495348] ? trace_hardirqs_on_caller+0x310/0x310 [ 712.500379] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 712.505419] ? recalc_sigpending_tsk+0x180/0x180 [ 712.510187] ? kasan_check_write+0x14/0x20 [ 712.512422] 9pnet_virtio: no channels available for device /dev/zero [ 712.514457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.514484] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 712.514515] RIP: 0033:0x457679 [ 712.534211] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 712.553124] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 712.560854] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 712.568151] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 712.570107] 9pnet_virtio: no channels available for device /dev/zero [ 712.575429] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 712.575444] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 712.596466] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 712.604973] warn_alloc_show_mem: 1 callbacks suppressed [ 712.604978] Mem-Info: [ 712.612914] active_anon:1206832 inactive_anon:369 isolated_anon:0 [ 712.612914] active_file:1425 inactive_file:4894 isolated_file:0 [ 712.612914] unevictable:9387 dirty:539 writeback:0 unstable:0 [ 712.612914] slab_reclaimable:17706 slab_unreclaimable:120825 [ 712.612914] mapped:58178 shmem:385 pagetables:64101 bounce:0 [ 712.612914] free:64982 free_pcp:1167 free_cma:0 [ 712.647188] Node 0 active_anon:4827320kB inactive_anon:1472kB active_file:5724kB inactive_file:19632kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232640kB dirty:2224kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4272128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 712.676263] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 712.702602] lowmem_reserve[]: 0 2817 6321 6321 [ 712.707245] Node 0 DMA32 free:151888kB min:30048kB low:37560kB high:45072kB active_anon:2539076kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2704kB local_pcp:1372kB free_cma:0kB [ 712.736358] lowmem_reserve[]: 0 0 3503 3503 [ 712.740788] Node 0 Normal free:91860kB min:37364kB low:46704kB high:56044kB active_anon:2288296kB inactive_anon:1468kB active_file:5732kB inactive_file:19632kB unevictable:37548kB writepending:2220kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:94016kB pagetables:219636kB bounce:0kB free_pcp:1940kB local_pcp:820kB free_cma:0kB [ 712.771863] lowmem_reserve[]: 0 0 0 0 [ 712.775713] 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 [ 712.789435] Node 0 DMA32: 1134*4kB (UME) 2127*8kB (UME) 970*16kB (UME) 440*32kB (UME) 132*64kB (UME) 51*128kB (UME) 29*256kB (UME) 21*512kB (UME) 4*1024kB (UE) 27*2048kB (M) 2*4096kB (M) = 151888kB [ 712.807483] Node 0 Normal: 2017*4kB (UME) 3600*8kB (UME) 1577*16kB (UME) 802*32kB (UME) 44*64kB (UME) 2*128kB (E) 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 91860kB [ 712.823189] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 712.832103] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 712.840792] 11600 total pagecache pages [ 712.844784] 0 pages in swap cache [ 712.848255] Swap cache stats: add 0, delete 0, find 0/0 [ 712.853709] Free swap = 0kB 01:51:38 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000300)='/dev/full\x00', 0x200000, 0x0) r2 = add_key(&(0x7f0000000100)='keyring\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000340)="bd42c519a031dceca9523e3ff289fa1a81fe63f471de88131576cdd069d5d2a035287fe071102dc280289de637011b65afafa3f93ba79a55e2dbf7f83221c6073e38ba585960f888fc4ad6199f18d03da1082c990681bff573c3e4d34f5694d18441e880a0725037274a183e5627bb5805a8b0c0e7f6f40e50de9ead36850edde18ab808d38d00267e496e68f365489a0787bd396d7f7d551a0e6257068d7b70027560471169aa48e7cf75451529ebe235d9728a98b929d6b69a97838586bd0c12d497c8e719ede4b45cac3a02546b51f1ecdaf35d66ec8ac7710098750a720d6df44b067b610550766f63aa", 0xec, 0x0) r3 = add_key$keyring(&(0x7f0000000280)='keyring\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffff9) keyctl$negate(0xd, r2, 0x8000, r3) r4 = msgget(0x1, 0x18) msgctl$IPC_STAT(r4, 0x2, &(0x7f00000001c0)=""/163) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) socket$inet_icmp_raw(0x2, 0x3, 0x1) lseek(r0, 0x0, 0x100000000000000) getsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000000), &(0x7f0000000080)=0x8) 01:51:38 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f02", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:38 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x800, 0x0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000001c0)={r1, &(0x7f0000000040)="637ecc3646e6d80a9b3328d7bc016d8796e032307eaf74dbac9308db3318cf432183690cbd1bc25d05165cac71df8ccc442d5c69177545bd90284a2be895fbfea0508c6dd774af15564f0ff5199188ed8dc3933319317831655053cb24c7be4cf5d3e274266bb3b164957f1d93f9", &(0x7f00000000c0)="5241022d7fd79198f6968a40e1bde7b38ecfd699b6e6630d60f1ca30fc58720092d704a6fbbdf76f07067f750b1685021c54c5d7c29bc27ce9b10c17ff15de2779a4d87057e8de7a459d8a1a1bd3ea50ccd6bc4fe07d7d12d24da29d15be7e8be84ffa3053106778661bba9ebd787653cef474e7e18dc428c0a5be5a747dc1de13da485495796212c8ed8f43d9ce22b348ec6702cd838c6044aa997921a723d2eedcbf0eab7bec85707bcf9afded07d81c909536d13dd1ba0d5e0f7b8d7e04ef526d66cf00000000000000000000000000000000000000", 0x2}, 0x20) 01:51:38 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x40000000004c) 01:51:38 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 712.856737] Total swap = 0kB [ 712.859812] 1965979 pages RAM [ 712.862935] 0 pages HighMem/MovableOnly [ 712.866921] 342745 pages reserved [ 712.870481] 0 pages cma reserved 01:51:38 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f7f", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:38 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r1 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x1, 0x40000) ioctl$BLKGETSIZE(r1, 0x1260, &(0x7f0000000040)) [ 712.905549] 9pnet_virtio: no channels available for device /dev/zero [ 712.916401] 9pnet_virtio: no channels available for device /dev/zero [ 712.933601] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 713.000230] 9pnet_virtio: no channels available for device /dev/zero [ 713.009483] 9pnet_virtio: no channels available for device /dev/zero [ 713.067676] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 713.078893] syz-executor3 cpuset=syz3 mems_allowed=0 [ 713.079689] 9pnet_virtio: no channels available for device /dev/zero [ 713.085377] CPU: 0 PID: 874 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 713.095694] 9pnet_virtio: no channels available for device /dev/zero [ 713.097787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 713.097795] Call Trace: [ 713.097817] dump_stack+0x1c4/0x2b4 [ 713.097839] ? dump_stack_print_info.cold.2+0x52/0x52 [ 713.125175] ? kasan_check_read+0x11/0x20 [ 713.129339] warn_alloc.cold.119+0xb7/0x1bd [ 713.133657] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 713.138495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.144064] __vmalloc_node_range+0x472/0x750 [ 713.148575] ? graph_lock+0x170/0x170 [ 713.152390] ? __lock_is_held+0xb5/0x140 [ 713.156474] ? sel_write_load+0x1d1/0x460 [ 713.160639] vmalloc+0x6f/0x80 [ 713.163848] ? sel_write_load+0x1d1/0x460 [ 713.167997] sel_write_load+0x1d1/0x460 [ 713.172013] __vfs_write+0x119/0x9f0 [ 713.175757] ? check_preemption_disabled+0x48/0x200 [ 713.180784] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 713.185706] ? kernel_read+0x120/0x120 [ 713.189619] ? __lock_is_held+0xb5/0x140 [ 713.193678] ? rcu_read_lock_sched_held+0x108/0x120 [ 713.198686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.204215] ? __sb_start_write+0x1b2/0x370 [ 713.208588] vfs_write+0x1fc/0x560 [ 713.212137] ksys_write+0x101/0x260 [ 713.215757] ? __ia32_sys_read+0xb0/0xb0 [ 713.219814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 713.225260] __x64_sys_write+0x73/0xb0 [ 713.229152] do_syscall_64+0x1b9/0x820 [ 713.233042] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 713.238411] ? syscall_return_slowpath+0x5e0/0x5e0 [ 713.243348] ? trace_hardirqs_on_caller+0x310/0x310 [ 713.248358] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 713.253371] ? recalc_sigpending_tsk+0x180/0x180 [ 713.258141] ? kasan_check_write+0x14/0x20 [ 713.262411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.267292] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 713.272491] RIP: 0033:0x457679 [ 713.275697] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 713.294588] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 713.302290] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 713.309573] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 01:51:39 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f00000001c0)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98e8992dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e3100000000261a6f4308f4707197b490c8ab31795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06eee86327d30173dcdff18115e3024151300000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d5b3a58e0198efb37a0f3915ad2bbe400000000000005ec227e1db041dca8c31edf95185ce0bad9bfbf18fcd55c75aa2d206e4c94a2ce50962ea01641aa2291"], 0xffffffffffffff8c) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:39 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000009) 01:51:39 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:39 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:39 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 713.316846] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 713.324106] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 713.331391] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 713.342866] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 713.352823] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 713.363109] syz-executor3 cpuset=syz3 mems_allowed=0 [ 713.395084] CPU: 1 PID: 885 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 713.402210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 713.411585] Call Trace: [ 713.414194] dump_stack+0x1c4/0x2b4 [ 713.417849] ? dump_stack_print_info.cold.2+0x52/0x52 [ 713.423065] ? kasan_check_read+0x11/0x20 [ 713.427244] warn_alloc.cold.119+0xb7/0x1bd [ 713.431588] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 713.436463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.442072] __vmalloc_node_range+0x472/0x750 [ 713.446594] ? graph_lock+0x170/0x170 [ 713.450409] ? __lock_is_held+0xb5/0x140 [ 713.454510] ? sel_write_load+0x1d1/0x460 [ 713.457203] 9pnet_virtio: no channels available for device /dev/zero [ 713.458676] vmalloc+0x6f/0x80 [ 713.458696] ? sel_write_load+0x1d1/0x460 [ 713.458714] sel_write_load+0x1d1/0x460 [ 713.458742] __vfs_write+0x119/0x9f0 [ 713.480250] ? check_preemption_disabled+0x48/0x200 [ 713.483729] 9pnet_virtio: no channels available for device /dev/zero [ 713.485288] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 713.493351] 9pnet_virtio: no channels available for device /dev/zero [ 713.496707] ? kernel_read+0x120/0x120 [ 713.496734] ? __lock_is_held+0xb5/0x140 [ 713.496767] ? rcu_read_lock_sched_held+0x108/0x120 [ 713.516220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.521780] ? __sb_start_write+0x1b2/0x370 [ 713.526132] vfs_write+0x1fc/0x560 [ 713.529703] ksys_write+0x101/0x260 [ 713.533358] ? __ia32_sys_read+0xb0/0xb0 [ 713.537441] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 713.542999] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 713.548472] __x64_sys_write+0x73/0xb0 [ 713.552386] do_syscall_64+0x1b9/0x820 [ 713.556290] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 713.561687] ? syscall_return_slowpath+0x5e0/0x5e0 [ 713.561709] ? trace_hardirqs_on_caller+0x310/0x310 [ 713.561728] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 713.561745] ? recalc_sigpending_tsk+0x180/0x180 [ 713.561764] ? kasan_check_write+0x14/0x20 [ 713.571722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.571751] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 713.571765] RIP: 0033:0x457679 [ 713.571783] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 713.571792] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 713.625604] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 713.632864] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 713.640125] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 713.647584] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 713.654842] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 713.675618] warn_alloc_show_mem: 1 callbacks suppressed [ 713.675623] Mem-Info: [ 713.683632] active_anon:1210645 inactive_anon:368 isolated_anon:0 [ 713.683632] active_file:1444 inactive_file:4908 isolated_file:0 [ 713.683632] unevictable:9387 dirty:565 writeback:0 unstable:0 [ 713.683632] slab_reclaimable:17602 slab_unreclaimable:121045 [ 713.683632] mapped:58179 shmem:384 pagetables:64270 bounce:0 [ 713.683632] free:60655 free_pcp:1224 free_cma:0 [ 713.718970] Node 0 active_anon:4842580kB inactive_anon:1472kB active_file:5776kB inactive_file:19632kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232716kB dirty:2260kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4292608kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 713.747912] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 713.774723] lowmem_reserve[]: 0 2817 6321 6321 [ 713.779418] Node 0 DMA32 free:141604kB min:30048kB low:37560kB high:45072kB active_anon:2553412kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2988kB local_pcp:1496kB free_cma:0kB [ 713.809304] lowmem_reserve[]: 0 0 3503 3503 [ 713.813720] Node 0 Normal free:84796kB min:37364kB low:46704kB high:56044kB active_anon:2289168kB inactive_anon:1472kB active_file:5772kB inactive_file:19632kB unevictable:37548kB writepending:2256kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:94400kB pagetables:220292kB bounce:0kB free_pcp:1888kB local_pcp:1340kB free_cma:0kB [ 713.844812] lowmem_reserve[]: 0 0 0 0 [ 713.848662] 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 [ 713.862476] Node 0 DMA32: 1161*4kB (UME) 2219*8kB (UME) 1118*16kB (UME) 468*32kB (UME) 132*64kB (UME) 51*128kB (UME) 29*256kB (UME) 21*512kB (UME) 4*1024kB (UE) 20*2048kB (M) 2*4096kB (M) = 141660kB [ 713.880611] Node 0 Normal: 1639*4kB (UME) 3600*8kB (UME) 1336*16kB (ME) 748*32kB (UME) 44*64kB (UME) 2*128kB (E) 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 84764kB 01:51:39 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000100)='coredump_filter\x00') ioctl$KVM_GET_MP_STATE(r1, 0x8004ae98, &(0x7f0000000140)) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) madvise(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x9) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:39 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:39 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f8c", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:39 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000002) 01:51:39 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) unlink(&(0x7f0000000000)='./file0\x00') ioctl$KDSIGACCEPT(r1, 0x4b4e, 0x15) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000100)={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000000080)={0xffffffffffffffff}, 0x13f, 0x7}}, 0x20) write$RDMA_USER_CM_CMD_NOTIFY(r1, &(0x7f0000000140)={0xf, 0x8, 0xfa00, {r2}}, 0x10) 01:51:39 executing program 4: r0 = socket$inet6(0xa, 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) [ 713.896138] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 713.905040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 713.913691] 11606 total pagecache pages [ 713.917678] 0 pages in swap cache [ 713.921206] Swap cache stats: add 0, delete 0, find 0/0 [ 713.926601] Free swap = 0kB [ 713.929696] Total swap = 0kB [ 713.932731] 1965979 pages RAM [ 713.935836] 0 pages HighMem/MovableOnly [ 713.939876] 342745 pages reserved [ 713.943350] 0 pages cma reserved 01:51:39 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 713.971917] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 713.979524] 9pnet_virtio: no channels available for device /dev/zeroŚ [ 713.995383] 9pnet_virtio: no channels available for device /dev/zeroŚ [ 713.996045] syz-executor3 cpuset= [ 714.016623] syz3 mems_allowed=0 [ 714.032362] CPU: 1 PID: 933 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 714.039487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 714.048860] Call Trace: [ 714.051460] dump_stack+0x1c4/0x2b4 [ 714.055115] ? dump_stack_print_info.cold.2+0x52/0x52 [ 714.060330] ? kasan_check_read+0x11/0x20 [ 714.064522] warn_alloc.cold.119+0xb7/0x1bd [ 714.068869] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 714.073745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.079344] __vmalloc_node_range+0x472/0x750 [ 714.081690] 9pnet_virtio: no channels available for device /dev/zero [ 714.083859] ? graph_lock+0x170/0x170 [ 714.083877] ? __lock_is_held+0xb5/0x140 [ 714.083899] ? sel_write_load+0x1d1/0x460 [ 714.083919] vmalloc+0x6f/0x80 [ 714.083940] ? sel_write_load+0x1d1/0x460 [ 714.096697] 9pnet_virtio: no channels available for device /dev/zero [ 714.098334] sel_write_load+0x1d1/0x460 [ 714.098360] __vfs_write+0x119/0x9f0 [ 714.098376] ? check_preemption_disabled+0x48/0x200 [ 714.098392] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 714.098411] ? kernel_read+0x120/0x120 [ 714.109897] ? __lock_is_held+0xb5/0x140 [ 714.109931] ? rcu_read_lock_sched_held+0x108/0x120 [ 714.109953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.109973] ? __sb_start_write+0x1b2/0x370 [ 714.120445] vfs_write+0x1fc/0x560 [ 714.120473] ksys_write+0x101/0x260 [ 714.120509] ? __ia32_sys_read+0xb0/0xb0 [ 714.120532] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 714.120559] __x64_sys_write+0x73/0xb0 [ 714.177579] do_syscall_64+0x1b9/0x820 01:51:40 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:40 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='\np\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 714.181339] 9pnet_virtio: no channels available for device /dev/zero [ 714.181494] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 714.193356] ? syscall_return_slowpath+0x5e0/0x5e0 [ 714.193907] 9pnet_virtio: no channels available for device /dev/zero [ 714.198305] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.198327] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 714.198345] ? recalc_sigpending_tsk+0x180/0x180 [ 714.198362] ? kasan_check_write+0x14/0x20 [ 714.198387] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.214911] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 714.214926] RIP: 0033:0x457679 [ 714.214943] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 714.214953] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 714.256067] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 714.256078] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 01:51:40 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000004) 01:51:40 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='%p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 714.256089] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 714.256100] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 714.256111] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 714.281395] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 714.347412] syz-executor3 cpuset=syz3 mems_allowed=0 01:51:40 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='Hp\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 714.368443] CPU: 1 PID: 957 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 714.375583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 714.384950] Call Trace: [ 714.387564] dump_stack+0x1c4/0x2b4 [ 714.391217] ? dump_stack_print_info.cold.2+0x52/0x52 [ 714.396432] ? kasan_check_read+0x11/0x20 [ 714.400619] warn_alloc.cold.119+0xb7/0x1bd [ 714.404976] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 714.409849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.415439] __vmalloc_node_range+0x472/0x750 [ 714.419971] ? graph_lock+0x170/0x170 [ 714.423791] ? __lock_is_held+0xb5/0x140 [ 714.427874] ? sel_write_load+0x1d1/0x460 [ 714.432064] vmalloc+0x6f/0x80 [ 714.435282] ? sel_write_load+0x1d1/0x460 [ 714.439458] sel_write_load+0x1d1/0x460 [ 714.443468] __vfs_write+0x119/0x9f0 [ 714.447208] ? check_preemption_disabled+0x48/0x200 [ 714.452242] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 714.457202] ? kernel_read+0x120/0x120 [ 714.461138] ? __lock_is_held+0xb5/0x140 [ 714.465231] ? rcu_read_lock_sched_held+0x108/0x120 [ 714.470272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.475826] ? __sb_start_write+0x1b2/0x370 [ 714.480179] vfs_write+0x1fc/0x560 [ 714.483751] ksys_write+0x101/0x260 [ 714.487409] ? __ia32_sys_read+0xb0/0xb0 [ 714.491491] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 714.497080] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 714.502565] ? ksys_ioctl+0x81/0xd0 [ 714.506219] __x64_sys_write+0x73/0xb0 [ 714.510140] do_syscall_64+0x1b9/0x820 [ 714.514052] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 714.519444] ? syscall_return_slowpath+0x5e0/0x5e0 [ 714.519466] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.519486] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 714.519516] ? recalc_sigpending_tsk+0x180/0x180 [ 714.519536] ? kasan_check_write+0x14/0x20 [ 714.539337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.539367] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 714.539382] RIP: 0033:0x457679 [ 714.539399] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 714.539408] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 714.539434] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 714.589335] 9pnet_virtio: no channels available for device /dev/zero [ 714.590795] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 714.590807] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 714.590818] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 714.590829] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 714.659197] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:51:40 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:40 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x305100, 0x0) ioctl$PERF_EVENT_IOC_REFRESH(r1, 0x2402, 0x9) 01:51:40 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9\n\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:40 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) fcntl$setlease(r0, 0x400, 0x0) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000080)={0x1ff, 0x0, 0x2, 0x19d9}) r3 = getpid() prctl$setptracer(0x59616d61, r3) ioctl$DRM_IOCTL_AGP_UNBIND(r1, 0x40106437, &(0x7f0000000100)={r2, 0x6}) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r4 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r4, 0x400454d4, &(0x7f00000000c0)) ioctl$RTC_AIE_OFF(r1, 0x7002) lseek(r0, 0x0, 0x100000000000000) 01:51:40 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400006000000) 01:51:40 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 714.662719] 9pnet_virtio: no channels available for device /dev/zero [ 714.684143] sel_write_load: 2 callbacks suppressed [ 714.684212] SELinux: failed to load policy [ 714.702131] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 714.711943] SELinux: failed to load policy [ 714.732976] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 714.748556] syz-executor3 cpuset=syz3 mems_allowed=0 [ 714.755017] CPU: 1 PID: 1013 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 714.762761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 714.772146] Call Trace: [ 714.774764] dump_stack+0x1c4/0x2b4 [ 714.778435] ? dump_stack_print_info.cold.2+0x52/0x52 [ 714.783663] ? kasan_check_read+0x11/0x20 [ 714.787848] warn_alloc.cold.119+0xb7/0x1bd [ 714.792201] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 714.792231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.792292] __vmalloc_node_range+0x472/0x750 [ 714.807192] ? graph_lock+0x170/0x170 [ 714.811017] ? __lock_is_held+0xb5/0x140 [ 714.815111] ? sel_write_load+0x1d1/0x460 [ 714.819278] vmalloc+0x6f/0x80 [ 714.822497] ? sel_write_load+0x1d1/0x460 [ 714.826682] sel_write_load+0x1d1/0x460 01:51:40 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9%\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 714.830684] __vfs_write+0x119/0x9f0 [ 714.834443] ? check_preemption_disabled+0x48/0x200 [ 714.839481] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 714.844447] ? kernel_read+0x120/0x120 [ 714.848373] ? __lock_is_held+0xb5/0x140 [ 714.852474] ? rcu_read_lock_sched_held+0x108/0x120 [ 714.857535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.863104] ? __sb_start_write+0x1b2/0x370 [ 714.867468] vfs_write+0x1fc/0x560 [ 714.871090] ksys_write+0x101/0x260 [ 714.874742] ? __ia32_sys_read+0xb0/0xb0 [ 714.878826] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 714.884395] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 714.889877] __x64_sys_write+0x73/0xb0 [ 714.893789] do_syscall_64+0x1b9/0x820 [ 714.897702] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 714.903101] ? syscall_return_slowpath+0x5e0/0x5e0 [ 714.908063] ? trace_hardirqs_on_caller+0x310/0x310 [ 714.913108] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 714.918141] ? recalc_sigpending_tsk+0x180/0x180 [ 714.922910] ? kasan_check_write+0x14/0x20 [ 714.927175] ? trace_hardirqs_off_thunk+0x1a/0x1c 01:51:40 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x4000f5ffffff) 01:51:40 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p"', 0x0, &(0x7f0000000380)=ANY=[]) [ 714.932068] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 714.937272] RIP: 0033:0x457679 [ 714.940487] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 714.959419] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 714.967151] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 714.967167] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 714.981715] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 714.989037] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 714.996331] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:51:41 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x200, 0x0) ioctl$TCSETAW(r1, 0x5407, &(0x7f0000000040)={0x21, 0x1f, 0x8001, 0x1f, 0x8, 0x5, 0xffffffffffffff01, 0x35f, 0xf2d, 0x3ce7}) ioctl$KVM_SET_FPU(r1, 0x41a0ae8d, &(0x7f00000000c0)={[], 0x2, 0xa1, 0x4, 0x0, 0x5, 0xd000, 0x1f000, [], 0xb9b}) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") write$P9_ROPEN(r1, &(0x7f0000000080)={0x18, 0x71, 0x1, {{0x4a, 0x3}, 0x4}}, 0x18) getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:41 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\a', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:41 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400002000000) [ 715.136656] warn_alloc_show_mem: 2 callbacks suppressed [ 715.136662] Mem-Info: [ 715.145705] active_anon:1218788 inactive_anon:369 isolated_anon:0 [ 715.145705] active_file:1444 inactive_file:4916 isolated_file:0 [ 715.145705] unevictable:9387 dirty:577 writeback:0 unstable:0 [ 715.145705] slab_reclaimable:17433 slab_unreclaimable:121922 [ 715.145705] mapped:58196 shmem:385 pagetables:64665 bounce:0 [ 715.145705] free:50935 free_pcp:1249 free_cma:0 [ 715.184310] Node 0 active_anon:4873100kB inactive_anon:1476kB active_file:5776kB inactive_file:19664kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232784kB dirty:2308kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4311040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 715.215466] 9pnet_virtio: no channels available for device /dev/zero [ 715.217081] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 715.250978] lowmem_reserve[]: 0 2817 6321 6321 [ 715.267145] Node 0 DMA32 free:117220kB min:30048kB low:37560kB high:45072kB active_anon:2586180kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2948kB local_pcp:1460kB free_cma:0kB [ 715.351766] lowmem_reserve[]: 0 0 3503 3503 [ 715.356172] Node 0 Normal free:66920kB min:37364kB low:46704kB high:56044kB active_anon:2291168kB inactive_anon:1476kB active_file:5772kB inactive_file:19664kB unevictable:37548kB writepending:2304kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:95456kB pagetables:221872kB bounce:0kB free_pcp:2748kB local_pcp:1412kB free_cma:0kB [ 715.357858] 9pnet_virtio: no channels available for device /dev/zero [ 715.388021] lowmem_reserve[]: 0 0 0 0 [ 715.397900] 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 [ 715.412725] Node 0 DMA32: 1281*4kB (UME) 2498*8kB (UME) 1371*16kB (UME) 542*32kB (UME) 138*64kB (UME) 52*128kB (UME) 31*256kB (UME) 21*512kB (UME) 4*1024kB (UE) 5*2048kB (M) 2*4096kB (M) = 121092kB [ 715.431355] Node 0 Normal: 818*4kB (UME) 3515*8kB (ME) 1310*16kB (UME) 397*32kB (UME) 27*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 66784kB [ 715.446153] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 715.455121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 715.463783] 11619 total pagecache pages [ 715.467785] 0 pages in swap cache [ 715.471357] Swap cache stats: add 0, delete 0, find 0/0 [ 715.476740] Free swap = 0kB [ 715.479841] Total swap = 0kB [ 715.482872] 1965979 pages RAM [ 715.485974] 0 pages HighMem/MovableOnly [ 715.490069] 342745 pages reserved [ 715.493532] 0 pages cma reserved [ 715.502122] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 715.513386] SELinux: failed to load policy [ 715.517778] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 715.527737] syz-executor3 cpuset=syz3 mems_allowed=0 [ 715.533002] CPU: 0 PID: 1070 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 715.540194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 715.549548] Call Trace: [ 715.552146] dump_stack+0x1c4/0x2b4 [ 715.555767] ? dump_stack_print_info.cold.2+0x52/0x52 [ 715.560960] ? kasan_check_read+0x11/0x20 [ 715.565126] warn_alloc.cold.119+0xb7/0x1bd [ 715.569461] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 715.574327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.579918] __vmalloc_node_range+0x472/0x750 [ 715.584431] ? graph_lock+0x170/0x170 [ 715.588241] ? __lock_is_held+0xb5/0x140 [ 715.592296] ? sel_write_load+0x1d1/0x460 [ 715.596453] vmalloc+0x6f/0x80 [ 715.599652] ? sel_write_load+0x1d1/0x460 [ 715.603793] sel_write_load+0x1d1/0x460 [ 715.607765] __vfs_write+0x119/0x9f0 [ 715.611471] ? check_preemption_disabled+0x48/0x200 [ 715.616492] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 715.621446] ? kernel_read+0x120/0x120 [ 715.625364] ? __lock_is_held+0xb5/0x140 [ 715.629452] ? rcu_read_lock_sched_held+0x108/0x120 [ 715.634491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.640056] ? __sb_start_write+0x1b2/0x370 [ 715.644384] vfs_write+0x1fc/0x560 [ 715.647933] ksys_write+0x101/0x260 [ 715.651573] ? __ia32_sys_read+0xb0/0xb0 [ 715.655664] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 715.661227] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 715.666685] ? ksys_ioctl+0x81/0xd0 [ 715.670339] __x64_sys_write+0x73/0xb0 [ 715.674256] do_syscall_64+0x1b9/0x820 [ 715.678158] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 715.684201] ? syscall_return_slowpath+0x5e0/0x5e0 [ 715.689127] ? trace_hardirqs_on_caller+0x310/0x310 [ 715.694157] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 715.699176] ? recalc_sigpending_tsk+0x180/0x180 [ 715.703936] ? kasan_check_write+0x14/0x20 [ 715.708174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.713044] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 715.718244] RIP: 0033:0x457679 [ 715.721440] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 715.740346] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 01:51:41 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/load\x00', 0x2, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:41 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000007a00) 01:51:41 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:41 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r1 = request_key(&(0x7f00000001c0)='ceph\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000180)='--\x00', 0xfffffffffffffffd) keyctl$describe(0x6, r1, &(0x7f00000000c0)=""/86, 0x56) 01:51:41 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:41 executing program 3: r0 = accept4$inet(0xffffffffffffff9c, 0x0, &(0x7f0000000140), 0x80800) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffff9c, 0x84, 0x18, &(0x7f0000000180)={0x0, 0x2}, &(0x7f00000001c0)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000200)={r1, 0x2, 0xfff, 0x5}, &(0x7f0000000240)=0x10) r2 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r2, &(0x7f0000000300)=ANY=[], 0x0) r3 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0x8, 0x900) ioctl$DRM_IOCTL_GET_MAGIC(r3, 0x80046402, &(0x7f0000000100)=0x100) r4 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r4, 0x400454d4, &(0x7f00000000c0)) lseek(r2, 0x0, 0x100000000000000) [ 715.748043] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 715.755332] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 715.762604] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 715.769869] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 715.777147] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 715.787053] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 715.797110] SELinux: failed to load policy 01:51:41 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:41 executing program 4: r0 = socket$inet6(0xa, 0x401000080000086, 0x800) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") ioctl$EXT4_IOC_SWAP_BOOT(r0, 0x6611) getrandom(&(0x7f0000000200), 0x0, 0x2) [ 715.831709] 9pnet_virtio: no channels available for device /dev/zero [ 715.836645] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 715.844439] 9pnet_virtio: no channels available for device /dev/zero [ 715.867040] syz-executor3 cpuset=syz3 mems_allowed=0 01:51:41 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 715.910679] CPU: 1 PID: 1086 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 715.917904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 715.927295] Call Trace: [ 715.929912] dump_stack+0x1c4/0x2b4 [ 715.931241] 9pnet_virtio: no channels available for device /dev/zero [ 715.933570] ? dump_stack_print_info.cold.2+0x52/0x52 [ 715.933597] ? kasan_check_read+0x11/0x20 [ 715.933628] warn_alloc.cold.119+0xb7/0x1bd [ 715.933657] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 715.946287] 9pnet_virtio: no channels available for device /dev/zero [ 715.949520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.949574] __vmalloc_node_range+0x472/0x750 [ 715.949597] ? graph_lock+0x170/0x170 [ 715.949613] ? __lock_is_held+0xb5/0x140 [ 715.949637] ? sel_write_load+0x1d1/0x460 [ 715.987322] vmalloc+0x6f/0x80 [ 715.990541] ? sel_write_load+0x1d1/0x460 [ 715.994709] sel_write_load+0x1d1/0x460 [ 715.998711] __vfs_write+0x119/0x9f0 [ 716.002443] ? check_preemption_disabled+0x48/0x200 01:51:42 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 716.007473] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 716.012438] ? kernel_read+0x120/0x120 [ 716.016352] ? __lock_is_held+0xb5/0x140 [ 716.017381] 9pnet_virtio: no channels available for device /dev/zero [ 716.020447] ? rcu_read_lock_sched_held+0x108/0x120 [ 716.020469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.020487] ? __sb_start_write+0x1b2/0x370 [ 716.020524] vfs_write+0x1fc/0x560 [ 716.020550] ksys_write+0x101/0x260 [ 716.020574] ? __ia32_sys_read+0xb0/0xb0 [ 716.020595] ? __bpf_trace_preemptirq_template+0x30/0x30 01:51:42 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 716.020621] __x64_sys_write+0x73/0xb0 [ 716.047919] 9pnet_virtio: no channels available for device /dev/zero [ 716.049154] do_syscall_64+0x1b9/0x820 [ 716.049174] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 716.049196] ? syscall_return_slowpath+0x5e0/0x5e0 [ 716.049217] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.049237] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 716.049254] ? recalc_sigpending_tsk+0x180/0x180 [ 716.049271] ? kasan_check_write+0x14/0x20 [ 716.049296] ? trace_hardirqs_off_thunk+0x1a/0x1c 01:51:42 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(0xffffffffffffff9c, 0x84, 0x70, &(0x7f0000000000)={0x0, @in={{0x2, 0x4e24, @local}}, [0x8, 0x1f, 0x100000001, 0x0, 0x419b, 0x5, 0x4, 0x400, 0x53, 0x4, 0x7, 0x8167, 0x8001, 0x4, 0x1]}, &(0x7f0000000100)=0x100) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000140)={r1, @in={{0x2, 0x4e22, @multicast2}}}, &(0x7f0000000200)=0x84) [ 716.076731] 9pnet_virtio: no channels available for device /dev/zero [ 716.078437] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 716.078453] RIP: 0033:0x457679 [ 716.078471] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 716.078481] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 716.078511] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 716.078527] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 716.090604] 9pnet_virtio: no channels available for device /dev/zero [ 716.093529] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 716.093540] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 716.093550] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 716.171079] 9pnet_virtio: no channels available for device /dev/zero [ 716.208183] 9pnet_virtio: no channels available for device /dev/zero [ 716.217895] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 716.230443] syz-executor3 cpuset=syz3 mems_allowed=0 [ 716.248195] CPU: 0 PID: 1086 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 716.255424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.264786] Call Trace: [ 716.267393] dump_stack+0x1c4/0x2b4 [ 716.271050] ? dump_stack_print_info.cold.2+0x52/0x52 [ 716.276266] ? kasan_check_read+0x11/0x20 [ 716.280457] warn_alloc.cold.119+0xb7/0x1bd [ 716.284799] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 716.289674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.295266] __vmalloc_node_range+0x472/0x750 [ 716.299795] ? graph_lock+0x170/0x170 [ 716.303612] ? __lock_is_held+0xb5/0x140 [ 716.305126] 9pnet_virtio: no channels available for device /dev/zero [ 716.307706] ? sel_write_load+0x1d1/0x460 [ 716.307728] vmalloc+0x6f/0x80 [ 716.307747] ? sel_write_load+0x1d1/0x460 [ 716.307766] sel_write_load+0x1d1/0x460 [ 716.329703] __vfs_write+0x119/0x9f0 [ 716.333441] ? check_preemption_disabled+0x48/0x200 [ 716.338472] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 716.343439] ? kernel_read+0x120/0x120 [ 716.347336] ? __lock_is_held+0xb5/0x140 [ 716.351399] ? rcu_read_lock_sched_held+0x108/0x120 [ 716.356415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.361951] ? __sb_start_write+0x1b2/0x370 [ 716.366282] vfs_write+0x1fc/0x560 [ 716.369831] ksys_write+0x101/0x260 [ 716.373452] ? __ia32_sys_read+0xb0/0xb0 [ 716.377571] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 716.383047] __x64_sys_write+0x73/0xb0 [ 716.386937] do_syscall_64+0x1b9/0x820 [ 716.390837] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 716.396194] ? syscall_return_slowpath+0x5e0/0x5e0 [ 716.401118] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.406128] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 716.411136] ? recalc_sigpending_tsk+0x180/0x180 [ 716.415890] ? kasan_check_write+0x14/0x20 [ 716.420125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.424966] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 716.430161] RIP: 0033:0x457679 [ 716.433366] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 716.452273] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 716.459973] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 716.467242] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 716.474509] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 716.481782] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 716.489075] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 716.502250] warn_alloc_show_mem: 2 callbacks suppressed [ 716.502256] Mem-Info: [ 716.511250] active_anon:1223697 inactive_anon:369 isolated_anon:0 [ 716.511250] active_file:1464 inactive_file:4918 isolated_file:0 [ 716.511250] unevictable:9387 dirty:589 writeback:0 unstable:0 [ 716.511250] slab_reclaimable:17374 slab_unreclaimable:122450 [ 716.511250] mapped:58204 shmem:385 pagetables:64859 bounce:0 [ 716.511250] free:45222 free_pcp:1140 free_cma:0 [ 716.547000] Node 0 active_anon:4894788kB inactive_anon:1476kB active_file:5856kB inactive_file:19672kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232816kB dirty:2356kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4325376kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 716.576434] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 716.602663] lowmem_reserve[]: 0 2817 6321 6321 [ 716.607290] Node 0 DMA32 free:105580kB min:30048kB low:37560kB high:45072kB active_anon:2602564kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2744kB local_pcp:1476kB free_cma:0kB [ 716.637378] lowmem_reserve[]: 0 0 3503 3503 [ 716.642314] Node 0 Normal free:60288kB min:37364kB low:46704kB high:56044kB active_anon:2292284kB inactive_anon:1468kB active_file:5868kB inactive_file:19708kB unevictable:37548kB writepending:2384kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:95968kB pagetables:222740kB bounce:0kB free_pcp:1960kB local_pcp:1224kB free_cma:0kB [ 716.673674] lowmem_reserve[]: 0 0 0 0 [ 716.677578] 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 [ 716.691323] Node 0 DMA32: 1343*4kB (UME) 2581*8kB (UME) 1448*16kB (UME) 560*32kB (UME) 140*64kB (UME) 53*128kB (UME) 31*256kB (UME) 21*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 105636kB [ 716.708669] Node 0 Normal: 654*4kB (UME) 3245*8kB (UME) 1201*16kB (UME) 378*32kB (ME) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 60208kB [ 716.723373] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 716.732296] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 716.740915] 11664 total pagecache pages [ 716.744896] 0 pages in swap cache [ 716.748356] Swap cache stats: add 0, delete 0, find 0/0 [ 716.753763] Free swap = 0kB [ 716.756929] Total swap = 0kB [ 716.760000] 1965979 pages RAM 01:51:42 executing program 5: personality(0x4000000) r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:42 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x4f) 01:51:42 executing program 4: r0 = userfaultfd(0x80000) fremovexattr(r0, &(0x7f0000000380)=@random={'osx.', 'userem0security&\'*wlan0,#}!.%bdev\x00'}) r1 = socket$inet6(0xa, 0x3, 0x400) ioctl(r1, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) ioctl$sock_SIOCDELDLCI(r1, 0x8981, &(0x7f0000000000)={'ip6gretap0\x00'}) 01:51:42 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:42 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:42 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) r1 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/load\x00', 0x2, 0x0) write$selinux_load(r0, &(0x7f00000003c0)=ANY=[@ANYBLOB="76b2723c7e6fd5e7153068e66e256a707e7f", @ANYRES32=r0, @ANYRES16=r0, @ANYRES64=r0, @ANYRESHEX=r0, @ANYPTR64, @ANYRESDEC=r0, @ANYRESDEC=r0, @ANYRESOCT=0x0], 0x79) r2 = shmget$private(0x0, 0x2000, 0x80, &(0x7f0000ffe000/0x2000)=nil) shmctl$SHM_INFO(r2, 0xe, &(0x7f0000000000)) r3 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$FS_IOC_GETFLAGS(r0, 0x80086601, &(0x7f0000000080)) ioctl$EXT4_IOC_PRECACHE_EXTENTS(r0, 0x6612) lseek(r3, 0x0, 0x0) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f00000000c0)) lseek(r1, 0x0, 0x0) lseek(r0, 0x0, 0x100000000000000) [ 716.763113] 0 pages HighMem/MovableOnly [ 716.767098] 342745 pages reserved [ 716.770640] 0 pages cma reserved [ 716.779096] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 716.790690] SELinux: failed to load policy [ 716.798116] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 716.809963] SELinux: failed to load policy 01:51:42 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) sync() r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/commit_pending_bools\x00', 0x1, 0x0) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000200)={r1, 0x50, &(0x7f0000000180)}, 0x10) setsockopt$RDS_GET_MR(r1, 0x114, 0x2, &(0x7f0000000040)={{&(0x7f00000002c0)=""/173, 0xad}, &(0x7f0000000240), 0x4}, 0x20) 01:51:42 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9pk', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:42 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) gettid() write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000001c0)=0x1) lseek(r0, 0x0, 0x100000000000000) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') ioctl$GIO_CMAP(r1, 0x4b70, &(0x7f00000000c0)) sendmsg$IPVS_CMD_ZERO(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000300)={0x108, r2, 0x200, 0x70bd25, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xfffffffffffffffb}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xa3}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x7e}]}, @IPVS_CMD_ATTR_DEST={0x20, 0x2, [@IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@multicast1}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x3}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x4}, @IPVS_CMD_ATTR_SERVICE={0x64, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x2c}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x3d}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x4}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'lc\x00'}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'fo\x00'}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@mcast1}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x26, 0x5}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x1}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x80}]}, @IPVS_CMD_ATTR_DEST={0xc, 0x2, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x4}]}, @IPVS_CMD_ATTR_SERVICE={0x4}, @IPVS_CMD_ATTR_DAEMON={0x30, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @dev={0xfe, 0x80, [], 0xe}}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @loopback}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x3}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e22}]}, @IPVS_CMD_ATTR_DEST={0xc, 0x2, [@IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x1}]}]}, 0x108}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000) [ 716.841834] SELinux: policydb magic number 0x3c72b276 does not match expected magic number 0xf97cff8c [ 716.854390] 9pnet_virtio: no channels available for device /dev/zero [ 716.862898] SELinux: failed to load policy [ 716.871116] SELinux: policydb magic number 0x3c72b276 does not match expected magic number 0xf97cff8c [ 716.881228] 9pnet_virtio: no channels available for device /dev/zero [ 716.884790] SELinux: failed to load policy 01:51:42 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x40007ffff000) [ 716.950619] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 716.962873] syz-executor3 cpuset=syz3 mems_allowed=0 [ 716.970800] CPU: 1 PID: 1164 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 716.978014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.987389] Call Trace: [ 716.990000] dump_stack+0x1c4/0x2b4 [ 716.993666] ? dump_stack_print_info.cold.2+0x52/0x52 [ 716.998907] ? kasan_check_read+0x11/0x20 [ 717.003100] warn_alloc.cold.119+0xb7/0x1bd [ 717.007453] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 717.012331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.017921] __vmalloc_node_range+0x472/0x750 [ 717.022440] ? graph_lock+0x170/0x170 [ 717.026263] ? __lock_is_held+0xb5/0x140 [ 717.030348] ? sel_write_load+0x1d1/0x460 [ 717.034530] vmalloc+0x6f/0x80 [ 717.037749] ? sel_write_load+0x1d1/0x460 [ 717.041911] sel_write_load+0x1d1/0x460 [ 717.045912] __vfs_write+0x119/0x9f0 [ 717.049646] ? check_preemption_disabled+0x48/0x200 [ 717.054686] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 717.059645] ? kernel_read+0x120/0x120 [ 717.063557] ? __lock_is_held+0xb5/0x140 [ 717.067646] ? rcu_read_lock_sched_held+0x108/0x120 [ 717.072677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.078225] ? __sb_start_write+0x1b2/0x370 [ 717.082600] vfs_write+0x1fc/0x560 [ 717.086157] ksys_write+0x101/0x260 [ 717.089797] ? __ia32_sys_read+0xb0/0xb0 [ 717.093875] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 717.099350] __x64_sys_write+0x73/0xb0 [ 717.103260] do_syscall_64+0x1b9/0x820 [ 717.107154] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.112555] ? syscall_return_slowpath+0x5e0/0x5e0 [ 717.117526] ? trace_hardirqs_on_caller+0x310/0x310 [ 717.122557] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 717.127588] ? recalc_sigpending_tsk+0x180/0x180 [ 717.132355] ? kasan_check_write+0x14/0x20 [ 717.136613] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.141473] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.146703] RIP: 0033:0x457679 [ 717.149909] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 717.168814] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 717.176544] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 717.183818] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 717.191095] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 01:51:43 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="3970ff", 0x0, &(0x7f0000000380)=ANY=[]) [ 717.198367] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 717.205645] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:51:43 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x40001fffe780) [ 717.306960] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 717.356945] syz-executor3 cpuset=syz3 mems_allowed=0 [ 717.397272] CPU: 0 PID: 1167 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 717.404494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.413870] Call Trace: [ 717.416472] dump_stack+0x1c4/0x2b4 [ 717.420136] ? dump_stack_print_info.cold.2+0x52/0x52 [ 717.425348] ? kasan_check_read+0x11/0x20 [ 717.429530] warn_alloc.cold.119+0xb7/0x1bd [ 717.433877] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 717.438743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.444325] __vmalloc_node_range+0x472/0x750 [ 717.448841] ? graph_lock+0x170/0x170 [ 717.452654] ? __lock_is_held+0xb5/0x140 [ 717.456731] ? sel_write_load+0x1d1/0x460 [ 717.460897] vmalloc+0x6f/0x80 [ 717.464107] ? sel_write_load+0x1d1/0x460 [ 717.468274] sel_write_load+0x1d1/0x460 [ 717.472269] __vfs_write+0x119/0x9f0 [ 717.476007] ? check_preemption_disabled+0x48/0x200 [ 717.481038] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 717.485986] ? kernel_read+0x120/0x120 [ 717.489895] ? __lock_is_held+0xb5/0x140 [ 717.493990] ? rcu_read_lock_sched_held+0x108/0x120 [ 717.499024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 717.504585] ? __sb_start_write+0x1b2/0x370 [ 717.508931] vfs_write+0x1fc/0x560 [ 717.512496] ksys_write+0x101/0x260 [ 717.516157] ? __ia32_sys_read+0xb0/0xb0 [ 717.520235] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 717.525713] __x64_sys_write+0x73/0xb0 [ 717.529625] do_syscall_64+0x1b9/0x820 [ 717.533537] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.538926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 717.543875] ? trace_hardirqs_on_caller+0x310/0x310 [ 717.548906] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 717.553935] ? recalc_sigpending_tsk+0x180/0x180 [ 717.558707] ? kasan_check_write+0x14/0x20 [ 717.562971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.567837] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.573037] RIP: 0033:0x457679 [ 717.576245] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 717.595176] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 717.602903] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 717.610183] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 717.617467] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 717.624754] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 717.632038] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 717.653918] warn_alloc_show_mem: 1 callbacks suppressed [ 717.653923] Mem-Info: [ 717.679671] active_anon:1224010 inactive_anon:369 isolated_anon:0 [ 717.679671] active_file:1491 inactive_file:4937 isolated_file:0 [ 717.679671] unevictable:9387 dirty:18 writeback:10 unstable:0 [ 717.679671] slab_reclaimable:17299 slab_unreclaimable:122711 [ 717.679671] mapped:58209 shmem:385 pagetables:65073 bounce:0 [ 717.679671] free:44168 free_pcp:1345 free_cma:0 [ 717.738238] Node 0 active_anon:4896040kB inactive_anon:1476kB active_file:5964kB inactive_file:19748kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232836kB dirty:72kB writeback:40kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 717.751457] 9pnet_virtio: no channels available for device /dev/zero [ 717.774080] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 717.784426] 9pnet_virtio: no channels available for device /dev/zero [ 717.802173] lowmem_reserve[]: 0 2817 6321 6321 [ 717.813078] Node 0 DMA32 free:108640kB min:30048kB low:37560kB high:45072kB active_anon:2602564kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:37952kB pagetables:36788kB bounce:0kB free_pcp:2912kB local_pcp:1424kB free_cma:0kB [ 717.843287] lowmem_reserve[]: 0 0 3503 3503 [ 717.848022] Node 0 Normal free:52540kB min:37364kB low:46704kB high:56044kB active_anon:2293476kB inactive_anon:1476kB active_file:5960kB inactive_file:19748kB unevictable:37548kB writepending:64kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:96352kB pagetables:223356kB bounce:0kB free_pcp:2536kB local_pcp:1404kB free_cma:0kB [ 717.879646] lowmem_reserve[]: 0 0 0 0 [ 717.883530] 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 [ 717.897346] Node 0 DMA32: 1390*4kB (UME) 2682*8kB (UME) 1532*16kB (UME) 577*32kB (UME) 142*64kB (UME) 51*128kB (UME) 31*256kB (UME) 22*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 108904kB [ 717.915044] Node 0 Normal: 508*4kB (UE) 2948*8kB (ME) 1075*16kB (ME) 288*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 52032kB [ 717.928897] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 717.937823] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 717.946482] 11683 total pagecache pages [ 717.950552] 0 pages in swap cache [ 717.954036] Swap cache stats: add 0, delete 0, find 0/0 [ 717.959514] Free swap = 0kB [ 717.962550] Total swap = 0kB [ 717.965575] 1965979 pages RAM [ 717.968680] 0 pages HighMem/MovableOnly [ 717.972748] 342745 pages reserved [ 717.976215] 0 pages cma reserved [ 717.984921] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 717.996419] SELinux: failed to load policy 01:51:44 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000010) 01:51:44 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:44 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:44 executing program 5: socket$vsock_dgram(0x28, 0x2, 0x0) r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) r1 = syz_open_dev$mouse(&(0x7f0000000100)='/dev/input/mouse#\x00', 0x318e, 0x10000) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000140)={0x9}) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:44 executing program 4: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x204000, 0x0) write$P9_RWRITE(r0, &(0x7f0000000040)={0xb, 0x77, 0x2, 0xff}, 0xb) r1 = socket$inet6(0xa, 0x401000000000002, 0x0) write$binfmt_elf64(r0, &(0x7f00000002c0)={{0x7f, 0x45, 0x4c, 0x46, 0x3, 0xffffffffffffffff, 0x4, 0x1, 0x8, 0x3, 0x3e, 0x2, 0x34f, 0x40, 0x2f, 0x80000000001, 0x401, 0x38, 0x1, 0x7fffffff, 0x6, 0x8}, [{0x7, 0x10001, 0x0, 0x3a6, 0x4, 0x77b, 0x10000, 0x7f}], "", [[], [], [], [], [], [], []]}, 0x778) ioctl(r1, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r2 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) ioctl(r2, 0xc1004111, &(0x7f0000000080)) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000080)=0x6, 0x4) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200)='nbd\x00') sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000a80)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000a40)={&(0x7f0000000240)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r3, @ANYBLOB="00072abd7000ffdbdf2501e700000c0005000000000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x4c011) syz_open_dev$amidi(&(0x7f00000000c0)='/dev/amidi#\x00', 0xffffffffffffffff, 0x4040) write$P9_RWRITE(r2, &(0x7f0000000140)={0xb, 0x77, 0x2, 0x5}, 0xb) bpf$BPF_GET_BTF_INFO(0xf, &(0x7f0000001b00)={r0, 0x10, &(0x7f0000001ac0)={&(0x7f0000000ac0)=""/4096, 0x1000, 0x0}}, 0x10) bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000001b40)=r4, 0x4) getrandom(&(0x7f0000000200), 0x0, 0x2) ioctl$KDSETLED(r0, 0x4b32, 0x3) linkat(r0, &(0x7f0000000180)='./file0\x00', r0, &(0x7f0000000100)='./file0\x00', 0xfffffffffffffffc) 01:51:44 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) socket$can_raw(0x1d, 0x3, 0x1) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 718.008043] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 718.020932] SELinux: failed to load policy 01:51:44 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) socket$key(0xf, 0x3, 0x2) lseek(r0, 0x0, 0x100000000000000) [ 718.081570] 9pnet_virtio: no channels available for device /dev/zero 01:51:44 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:44 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") socket$inet6(0xa, 0x7, 0x1) getrandom(&(0x7f0000000000), 0x0, 0x1000000020001) 01:51:44 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000006c00) [ 718.121743] 9pnet_virtio: no channels available for device /dev/zero [ 718.136884] 9pnet_virtio: no channels available for device /dev/zero 01:51:44 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 718.164658] 9pnet_virtio: no channels available for device /dev/zero [ 718.179888] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 718.197700] 9pnet_virtio: no channels available for device /dev/zero [ 718.203921] syz-executor3 cpuset=syz3 mems_allowed=0 [ 718.213237] 9pnet_virtio: no channels available for device /dev/zero [ 718.224498] CPU: 0 PID: 1232 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 718.231738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.241105] Call Trace: [ 718.243719] dump_stack+0x1c4/0x2b4 [ 718.247376] ? dump_stack_print_info.cold.2+0x52/0x52 [ 718.252599] ? kasan_check_read+0x11/0x20 [ 718.256783] warn_alloc.cold.119+0xb7/0x1bd 01:51:44 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 718.261135] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 718.266001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.266050] __vmalloc_node_range+0x472/0x750 [ 718.276078] ? graph_lock+0x170/0x170 [ 718.276095] ? __lock_is_held+0xb5/0x140 [ 718.276116] ? sel_write_load+0x1d1/0x460 [ 718.276137] vmalloc+0x6f/0x80 [ 718.291349] ? sel_write_load+0x1d1/0x460 [ 718.295550] sel_write_load+0x1d1/0x460 [ 718.299581] __vfs_write+0x119/0x9f0 [ 718.303314] ? check_preemption_disabled+0x48/0x200 [ 718.308354] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 718.313310] ? kernel_read+0x120/0x120 [ 718.317231] ? __lock_is_held+0xb5/0x140 [ 718.321327] ? rcu_read_lock_sched_held+0x108/0x120 [ 718.326365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.331929] ? __sb_start_write+0x1b2/0x370 [ 718.336289] vfs_write+0x1fc/0x560 [ 718.338095] 9pnet_virtio: no channels available for device /dev/zero [ 718.339855] ksys_write+0x101/0x260 [ 718.339881] ? __ia32_sys_read+0xb0/0xb0 [ 718.339903] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 718.339937] __x64_sys_write+0x73/0xb0 01:51:44 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 718.363481] do_syscall_64+0x1b9/0x820 [ 718.367395] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 718.372791] ? syscall_return_slowpath+0x5e0/0x5e0 [ 718.377748] ? trace_hardirqs_on_caller+0x310/0x310 [ 718.382164] 9pnet_virtio: no channels available for device /dev/zero [ 718.382783] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 718.382803] ? recalc_sigpending_tsk+0x180/0x180 [ 718.382821] ? kasan_check_write+0x14/0x20 [ 718.382847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.382874] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.401442] 9pnet_virtio: no channels available for device /dev/zero [ 718.403353] RIP: 0033:0x457679 [ 718.403371] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 718.403381] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 718.403401] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 718.403412] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 01:51:44 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:44 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000004800) [ 718.403421] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 718.403437] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 718.456065] 9pnet_virtio: no channels available for device /dev/zero [ 718.457011] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 718.512483] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 718.518913] 9pnet_virtio: no channels available for device /dev/zero [ 718.582892] 9pnet_virtio: no channels available for device /dev/zero [ 718.606967] 9pnet_virtio: no channels available for device /dev/zero [ 718.610817] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 718.637325] syz-executor3 cpuset=syz3 mems_allowed=0 [ 718.643981] CPU: 1 PID: 1267 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 718.651208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.660576] Call Trace: [ 718.663181] dump_stack+0x1c4/0x2b4 [ 718.666836] ? dump_stack_print_info.cold.2+0x52/0x52 [ 718.672050] ? kasan_check_read+0x11/0x20 [ 718.676240] warn_alloc.cold.119+0xb7/0x1bd [ 718.680577] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 718.685420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.690966] __vmalloc_node_range+0x472/0x750 [ 718.695455] ? graph_lock+0x170/0x170 [ 718.699255] ? __lock_is_held+0xb5/0x140 [ 718.703313] ? sel_write_load+0x1d1/0x460 [ 718.707473] vmalloc+0x6f/0x80 [ 718.710683] ? sel_write_load+0x1d1/0x460 [ 718.714846] sel_write_load+0x1d1/0x460 [ 718.718821] __vfs_write+0x119/0x9f0 [ 718.722538] ? check_preemption_disabled+0x48/0x200 [ 718.727574] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 718.732518] ? kernel_read+0x120/0x120 [ 718.736401] ? __lock_is_held+0xb5/0x140 [ 718.740473] ? rcu_read_lock_sched_held+0x108/0x120 [ 718.745532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 718.751085] ? __sb_start_write+0x1b2/0x370 [ 718.755402] vfs_write+0x1fc/0x560 [ 718.758938] ksys_write+0x101/0x260 [ 718.762565] ? __ia32_sys_read+0xb0/0xb0 [ 718.766617] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 718.772152] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 718.777601] ? ksys_ioctl+0x81/0xd0 [ 718.781223] __x64_sys_write+0x73/0xb0 [ 718.785105] do_syscall_64+0x1b9/0x820 [ 718.788984] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 718.794342] ? syscall_return_slowpath+0x5e0/0x5e0 [ 718.799276] ? trace_hardirqs_on_caller+0x310/0x310 [ 718.804294] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 718.809317] ? recalc_sigpending_tsk+0x180/0x180 [ 718.814081] ? kasan_check_write+0x14/0x20 [ 718.818314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 718.823156] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.828335] RIP: 0033:0x457679 [ 718.831524] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 718.850425] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 718.858127] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 718.865387] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 718.872657] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 718.879927] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 718.887184] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 718.894834] warn_alloc_show_mem: 1 callbacks suppressed [ 718.894839] Mem-Info: [ 718.903494] active_anon:1224426 inactive_anon:367 isolated_anon:0 [ 718.903494] active_file:1495 inactive_file:4947 isolated_file:0 [ 718.903494] unevictable:9387 dirty:48 writeback:0 unstable:0 [ 718.903494] slab_reclaimable:17247 slab_unreclaimable:123126 [ 718.903494] mapped:58162 shmem:385 pagetables:65278 bounce:0 [ 718.903494] free:42967 free_pcp:1251 free_cma:0 [ 718.937904] Node 0 active_anon:4897704kB inactive_anon:1468kB active_file:5980kB inactive_file:19788kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232648kB dirty:192kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 718.966802] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 718.993458] lowmem_reserve[]: 0 2817 6321 6321 [ 718.998065] Node 0 DMA32 free:108608kB min:30048kB low:37560kB high:45072kB active_anon:2602952kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:38240kB pagetables:36912kB bounce:0kB free_pcp:2496kB local_pcp:1464kB free_cma:0kB [ 719.027190] lowmem_reserve[]: 0 0 3503 3503 [ 719.031638] Node 0 Normal free:47400kB min:37364kB low:46704kB high:56044kB active_anon:2294848kB inactive_anon:1468kB active_file:5976kB inactive_file:19804kB unevictable:37548kB writepending:212kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:96768kB pagetables:224248kB bounce:0kB free_pcp:2512kB local_pcp:1360kB free_cma:0kB [ 719.062607] lowmem_reserve[]: 0 0 0 0 [ 719.066472] 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 [ 719.080474] Node 0 DMA32: 1246*4kB (UME) 2496*8kB (UME) 1583*16kB (UME) 598*32kB (UME) 146*64kB (UME) 51*128kB (UME) 31*256kB (UME) 22*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 108584kB [ 719.097820] Node 0 Normal: 678*4kB (UME) 2647*8kB (UME) 967*16kB (UME) 251*32kB (UM) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 47456kB [ 719.112246] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 719.121185] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 719.129866] 11704 total pagecache pages [ 719.133864] 0 pages in swap cache 01:51:45 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000140)='/dev/full\x00', 0x7fc, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) ioctl$VHOST_GET_VRING_ENDIAN(r1, 0x4008af14, &(0x7f0000000100)={0x0, 0x3}) lseek(r0, 0x0, 0x0) 01:51:45 executing program 4: r0 = socket$inet6(0xa, 0xb, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:45 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:45 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:45 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000006800) 01:51:45 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000080)='/dev/full\x00', 0xffffdffffffffffd, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) renameat2(r1, &(0x7f0000000100)='./file0\x00', r1, &(0x7f0000000140)='./file0\x00', 0x7) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f0000000000)=0x2, 0x4) [ 719.137315] Swap cache stats: add 0, delete 0, find 0/0 [ 719.142747] Free swap = 0kB [ 719.145790] Total swap = 0kB [ 719.148809] 1965979 pages RAM [ 719.151969] 0 pages HighMem/MovableOnly [ 719.155957] 342745 pages reserved [ 719.159492] 0 pages cma reserved [ 719.163587] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 719.193407] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 719.208447] syz-executor3 cpuset=syz3 mems_allowed=0 [ 719.213928] CPU: 1 PID: 1285 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 719.216803] 9pnet_virtio: no channels available for device /dev/zero [ 719.221133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 719.221141] Call Trace: [ 719.221163] dump_stack+0x1c4/0x2b4 [ 719.221189] ? dump_stack_print_info.cold.2+0x52/0x52 [ 719.221214] ? kasan_check_read+0x11/0x20 [ 719.221246] warn_alloc.cold.119+0xb7/0x1bd [ 719.221280] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 719.221309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.221363] __vmalloc_node_range+0x472/0x750 [ 719.221386] ? graph_lock+0x170/0x170 [ 719.221409] ? __lock_is_held+0xb5/0x140 [ 719.263342] ? sel_write_load+0x1d1/0x460 [ 719.263364] vmalloc+0x6f/0x80 [ 719.263382] ? sel_write_load+0x1d1/0x460 [ 719.263407] sel_write_load+0x1d1/0x460 [ 719.273449] __vfs_write+0x119/0x9f0 [ 719.273467] ? check_preemption_disabled+0x48/0x200 [ 719.273488] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 719.284799] 9pnet_virtio: no channels available for device /dev/zero [ 719.285532] ? kernel_read+0x120/0x120 [ 719.321699] ? __lock_is_held+0xb5/0x140 [ 719.325805] ? rcu_read_lock_sched_held+0x108/0x120 [ 719.330848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.336402] ? __sb_start_write+0x1b2/0x370 [ 719.340752] vfs_write+0x1fc/0x560 01:51:45 executing program 4: r0 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x81, 0x4000) ioctl$VT_RELDISP(r0, 0x5605) r1 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:45 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 719.344324] ksys_write+0x101/0x260 [ 719.347983] ? __ia32_sys_read+0xb0/0xb0 [ 719.352079] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 719.353019] 9pnet_virtio: no channels available for device /dev/zero [ 719.357585] __x64_sys_write+0x73/0xb0 [ 719.357610] do_syscall_64+0x1b9/0x820 [ 719.357628] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 719.357650] ? syscall_return_slowpath+0x5e0/0x5e0 [ 719.367684] 9pnet_virtio: no channels available for device /dev/zero [ 719.368034] ? trace_hardirqs_on_caller+0x310/0x310 01:51:45 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 719.368055] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 719.368083] ? recalc_sigpending_tsk+0x180/0x180 [ 719.388770] ? kasan_check_write+0x14/0x20 [ 719.403570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.403599] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 719.403618] RIP: 0033:0x457679 [ 719.421098] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 01:51:45 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x40006c000000) [ 719.440019] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 719.447757] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 719.455045] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 719.455137] 9pnet_virtio: no channels available for device /dev/zero [ 719.462341] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 719.462365] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 719.462376] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:51:45 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f00000002c0)={0x0, 0x1000, "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"}, &(0x7f0000000000)=0x1008) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000040)={r1, 0x200, 0x4, [0x81, 0x7, 0x5, 0x9]}, &(0x7f0000000080)=0x10) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000000), 0xff32, 0x0) 01:51:45 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 719.519490] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 719.536811] 9pnet_virtio: no channels available for device /dev/zero [ 719.537007] syz-executor3 cpuset=syz3 mems_allowed=0 [ 719.558599] CPU: 1 PID: 1310 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 719.565819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 719.575180] Call Trace: [ 719.577783] dump_stack+0x1c4/0x2b4 [ 719.581443] ? dump_stack_print_info.cold.2+0x52/0x52 [ 719.586662] ? kasan_check_read+0x11/0x20 [ 719.590842] warn_alloc.cold.119+0xb7/0x1bd [ 719.595185] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 719.600064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.605656] __vmalloc_node_range+0x472/0x750 [ 719.610174] ? graph_lock+0x170/0x170 [ 719.614005] ? __lock_is_held+0xb5/0x140 [ 719.618094] ? sel_write_load+0x1d1/0x460 [ 719.622263] vmalloc+0x6f/0x80 [ 719.625068] 9pnet_virtio: no channels available for device /dev/zero [ 719.625480] ? sel_write_load+0x1d1/0x460 [ 719.625499] sel_write_load+0x1d1/0x460 [ 719.625539] __vfs_write+0x119/0x9f0 [ 719.643880] ? check_preemption_disabled+0x48/0x200 [ 719.649131] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 719.654099] ? kernel_read+0x120/0x120 [ 719.658016] ? __lock_is_held+0xb5/0x140 [ 719.662133] ? rcu_read_lock_sched_held+0x108/0x120 [ 719.662232] 9pnet_virtio: no channels available for device /dev/zero [ 719.667168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 719.667186] ? __sb_start_write+0x1b2/0x370 [ 719.667211] vfs_write+0x1fc/0x560 [ 719.667236] ksys_write+0x101/0x260 [ 719.681005] 9pnet_virtio: no channels available for device /dev/zero [ 719.683599] ? __ia32_sys_read+0xb0/0xb0 [ 719.701320] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 719.706904] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 719.712403] __x64_sys_write+0x73/0xb0 [ 719.716320] do_syscall_64+0x1b9/0x820 [ 719.720234] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 719.725623] ? syscall_return_slowpath+0x5e0/0x5e0 [ 719.730571] ? trace_hardirqs_on_caller+0x310/0x310 [ 719.735608] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 719.740643] ? recalc_sigpending_tsk+0x180/0x180 [ 719.745420] ? kasan_check_write+0x14/0x20 [ 719.749687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 719.754565] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 719.757433] 9pnet_virtio: no channels available for device /dev/zero [ 719.760286] RIP: 0033:0x457679 [ 719.760305] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 719.760315] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 719.760334] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 719.760345] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 719.760355] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 719.760365] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 719.760375] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 719.790872] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 719.809186] sel_write_load: 2 callbacks suppressed [ 719.809192] SELinux: failed to load policy 01:51:45 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p`', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:45 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000040)={{{@in6, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@loopback}}, &(0x7f0000000140)=0xe8) fstat(r0, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0}) getresuid(&(0x7f0000000200), &(0x7f0000000240)=0x0, &(0x7f00000002c0)) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000300)={{{@in=@loopback, @in6=@ipv4={[], [], @dev}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6}}, &(0x7f0000000400)=0xe8) stat(&(0x7f0000000440)='./file0\x00', &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0}) lstat(&(0x7f0000000500)='./file0\x00', &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x2, &(0x7f00000005c0)=[0x0, 0x0]) fsetxattr$system_posix_acl(r0, &(0x7f0000000000)='system.posix_acl_default\x00', &(0x7f0000000600)={{}, {0x1, 0x6}, [{0x2, 0x0, r1}, {0x2, 0x1, r2}, {0x2, 0x3, r3}, {0x2, 0x4, r4}, {0x2, 0x1, r5}], {0x4, 0x4}, [{0x8, 0x4, r6}, {0x8, 0x6, r7}], {0x10, 0x1}, {0x20, 0x1}}, 0x5c, 0x3) getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:45 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/policy\x00', 0x0, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000000140)={0xffffffffffffffff}, 0x113, 0x1000}}, 0x20) write$RDMA_USER_CM_CMD_DISCONNECT(r1, &(0x7f0000000200)={0xa, 0x4, 0xfa00, {r2}}, 0xc) r3 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:45 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f06", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:45 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) r2 = getpgrp(0xffffffffffffffff) syz_open_procfs(r2, &(0x7f0000000080)='net/udp\x00') ioctl$FIGETBSZ(r1, 0x2, &(0x7f0000000000)) 01:51:45 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400009000000) 01:51:45 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 719.864629] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 719.874479] SELinux: failed to load policy [ 719.911666] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) 01:51:45 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000900) [ 719.963139] syz-executor3 cpuset=syz3 mems_allowed=0 [ 719.989603] 9pnet_virtio: no channels available for device /dev/zero [ 719.995018] CPU: 1 PID: 1343 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 720.003319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 720.012680] Call Trace: [ 720.015282] dump_stack+0x1c4/0x2b4 [ 720.018927] ? dump_stack_print_info.cold.2+0x52/0x52 [ 720.024130] ? kasan_check_read+0x11/0x20 [ 720.028298] warn_alloc.cold.119+0xb7/0x1bd [ 720.032634] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 720.037495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.043089] __vmalloc_node_range+0x472/0x750 [ 720.047604] ? graph_lock+0x170/0x170 [ 720.051416] ? __lock_is_held+0xb5/0x140 [ 720.055493] ? sel_write_load+0x1d1/0x460 [ 720.059663] vmalloc+0x6f/0x80 [ 720.062863] ? sel_write_load+0x1d1/0x460 [ 720.067017] sel_write_load+0x1d1/0x460 [ 720.071010] __vfs_write+0x119/0x9f0 [ 720.074730] ? check_preemption_disabled+0x48/0x200 [ 720.079757] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 720.084698] ? kernel_read+0x120/0x120 [ 720.088600] ? __lock_is_held+0xb5/0x140 [ 720.092687] ? rcu_read_lock_sched_held+0x108/0x120 [ 720.097718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.103268] ? __sb_start_write+0x1b2/0x370 [ 720.107625] vfs_write+0x1fc/0x560 [ 720.111184] ksys_write+0x101/0x260 [ 720.114824] ? __ia32_sys_read+0xb0/0xb0 [ 720.118899] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 720.124372] __x64_sys_write+0x73/0xb0 [ 720.128274] do_syscall_64+0x1b9/0x820 [ 720.132171] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 720.137558] ? syscall_return_slowpath+0x5e0/0x5e0 [ 720.142512] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.147544] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 720.152591] ? recalc_sigpending_tsk+0x180/0x180 [ 720.157360] ? kasan_check_write+0x14/0x20 [ 720.161615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.166472] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 720.171677] RIP: 0033:0x457679 [ 720.174875] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 720.193799] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 720.201524] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 720.208802] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 720.216077] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 720.223351] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 720.230632] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:51:46 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:46 executing program 4: r0 = socket$inet6(0xa, 0x401000000000004, 0xffffffffffffffff) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) [ 720.247659] 9pnet_virtio: no channels available for device /dev/zero [ 720.281010] warn_alloc_show_mem: 2 callbacks suppressed [ 720.281016] Mem-Info: [ 720.291253] active_anon:1224861 inactive_anon:368 isolated_anon:0 [ 720.291253] active_file:1498 inactive_file:4960 isolated_file:0 [ 720.291253] unevictable:9387 dirty:62 writeback:0 unstable:0 [ 720.291253] slab_reclaimable:17208 slab_unreclaimable:123839 [ 720.291253] mapped:58207 shmem:385 pagetables:65645 bounce:0 [ 720.291253] free:41667 free_pcp:871 free_cma:0 [ 720.340320] 9pnet_virtio: no channels available for device /dev/zero 01:51:46 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000000)=0x4e5, 0x4) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:46 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:46 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000500) 01:51:46 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) socket$key(0xf, 0x3, 0x2) [ 720.349392] Node 0 active_anon:4899544kB inactive_anon:1472kB active_file:5992kB inactive_file:19840kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232828kB dirty:248kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 720.391498] 9pnet_virtio: no channels available for device /dev/zero [ 720.442816] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 720.461387] 9pnet_virtio: no channels available for device /dev/zero [ 720.490907] 9pnet_virtio: no channels available for device /dev/zero [ 720.527677] lowmem_reserve[]: 0 2817 6321 6321 [ 720.556247] Node 0 DMA32 free:101988kB min:30048kB low:37560kB high:45072kB active_anon:2604044kB inactive_anon:8kB active_file:16kB inactive_file:32kB unevictable:0kB writepending:32kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:38624kB pagetables:38028kB bounce:0kB free_pcp:828kB local_pcp:420kB free_cma:0kB [ 720.596679] lowmem_reserve[]: 0 0 3503 3503 [ 720.601536] Node 0 Normal free:46992kB min:37364kB low:46704kB high:56044kB active_anon:2295800kB inactive_anon:1464kB active_file:5976kB inactive_file:19808kB unevictable:37548kB writepending:216kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:97216kB pagetables:224700kB bounce:0kB free_pcp:2676kB local_pcp:1408kB free_cma:0kB [ 720.603653] 9pnet_virtio: no channels available for device /dev/zero [ 720.632714] lowmem_reserve[]: 0 0 0 0 [ 720.643462] 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 [ 720.650544] 9pnet_virtio: no channels available for device /dev/zero [ 720.659464] Node 0 DMA32: 899*4kB (UME) 1737*8kB (UME) 1611*16kB (UME) 599*32kB (UME) 149*64kB (UME) 51*128kB (UME) 30*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 102052kB [ 720.682097] Node 0 Normal: 923*4kB (UME) 2558*8kB (UME) 962*16kB (UME) 234*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 47036kB [ 720.696334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 720.705568] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 720.714303] 11730 total pagecache pages [ 720.718290] 0 pages in swap cache [ 720.721826] Swap cache stats: add 0, delete 0, find 0/0 [ 720.727197] Free swap = 0kB [ 720.730305] Total swap = 0kB [ 720.733341] 1965979 pages RAM [ 720.736448] 0 pages HighMem/MovableOnly [ 720.740478] 342745 pages reserved [ 720.743961] 0 pages cma reserved [ 720.751707] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 720.764172] SELinux: failed to load policy [ 720.778439] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 720.788975] syz-executor3 cpuset=syz3 mems_allowed=0 [ 720.794749] CPU: 0 PID: 1410 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 720.801943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 720.811297] Call Trace: [ 720.813898] dump_stack+0x1c4/0x2b4 [ 720.817528] ? dump_stack_print_info.cold.2+0x52/0x52 [ 720.822713] ? kasan_check_read+0x11/0x20 [ 720.826875] warn_alloc.cold.119+0xb7/0x1bd [ 720.831205] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 720.836055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.841609] __vmalloc_node_range+0x472/0x750 [ 720.846097] ? graph_lock+0x170/0x170 [ 720.849888] ? __lock_is_held+0xb5/0x140 [ 720.853940] ? sel_write_load+0x1d1/0x460 [ 720.858095] vmalloc+0x6f/0x80 [ 720.861291] ? sel_write_load+0x1d1/0x460 [ 720.865431] sel_write_load+0x1d1/0x460 [ 720.869413] __vfs_write+0x119/0x9f0 [ 720.873144] ? check_preemption_disabled+0x48/0x200 [ 720.878182] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 720.883134] ? kernel_read+0x120/0x120 [ 720.887044] ? __lock_is_held+0xb5/0x140 [ 720.891119] ? rcu_read_lock_sched_held+0x108/0x120 [ 720.896126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.901655] ? __sb_start_write+0x1b2/0x370 [ 720.905987] vfs_write+0x1fc/0x560 [ 720.909572] ksys_write+0x101/0x260 [ 720.913211] ? __ia32_sys_read+0xb0/0xb0 [ 720.917274] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 720.922836] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 720.928276] ? ksys_ioctl+0x81/0xd0 [ 720.931916] __x64_sys_write+0x73/0xb0 [ 720.935810] do_syscall_64+0x1b9/0x820 [ 720.939718] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 720.945095] ? syscall_return_slowpath+0x5e0/0x5e0 [ 720.950022] ? trace_hardirqs_on_caller+0x310/0x310 [ 720.955041] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 720.960064] ? recalc_sigpending_tsk+0x180/0x180 [ 720.964816] ? kasan_check_write+0x14/0x20 [ 720.969050] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 720.973914] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 720.979095] RIP: 0033:0x457679 [ 720.982278] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 721.001165] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 721.008912] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 721.016181] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 721.023439] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 721.030715] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 721.037977] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 721.049592] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:51:47 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/mls\x00', 0x0, 0x0) write$FUSE_IOCTL(r1, &(0x7f0000000300)={0x20, 0x0, 0x2, {0x0, 0x4, 0xffffffffffff59c4, 0x9}}, 0x20) write$selinux_load(r0, &(0x7f00000001c0)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72eb7aaf41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe44b0a0154d61aacd7168aeccccb9219c2"], 0xd6) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) write$FUSE_NOTIFY_STORE(r2, &(0x7f0000000100)={0x2c, 0x4, 0x0, {0x2, 0x5, 0x4, 0x0, [0x0, 0x0, 0x0, 0x0]}}, 0x2c) lseek(r1, 0x0, 0x4) 01:51:47 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:47 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x9f) 01:51:47 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x2000000000000000) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:47 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:47 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000280)='/selinux/load\x00', 0x2, 0x0) r1 = syz_open_dev$audion(&(0x7f0000000080)='/dev/audio#\x00', 0x100000001, 0x8000) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r1, 0x10e, 0x4, &(0x7f0000000100)=0xff, 0x4) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) openat$vhci(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vhci\x00', 0x105342, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 721.059634] SELinux: failed to load policy 01:51:47 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 721.090806] 9pnet_virtio: no channels available for device /dev/zero [ 721.108113] 9pnet_virtio: no channels available for device /dev/zero [ 721.127438] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 721.150256] syz-executor3 cpuset=syz3 mems_allowed=0 [ 721.155532] CPU: 1 PID: 1426 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 721.162738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.172114] Call Trace: [ 721.172139] dump_stack+0x1c4/0x2b4 [ 721.172165] ? dump_stack_print_info.cold.2+0x52/0x52 [ 721.172190] ? kasan_check_read+0x11/0x20 [ 721.172220] warn_alloc.cold.119+0xb7/0x1bd [ 721.172249] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 721.196962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.202559] __vmalloc_node_range+0x472/0x750 [ 721.207089] ? graph_lock+0x170/0x170 [ 721.210908] ? __lock_is_held+0xb5/0x140 [ 721.214988] ? sel_write_load+0x1d1/0x460 [ 721.219153] vmalloc+0x6f/0x80 [ 721.222368] ? sel_write_load+0x1d1/0x460 [ 721.223182] 9pnet_virtio: no channels available for device /dev/zero [ 721.226545] sel_write_load+0x1d1/0x460 [ 721.226573] __vfs_write+0x119/0x9f0 [ 721.226591] ? check_preemption_disabled+0x48/0x200 [ 721.226608] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 721.226630] ? kernel_read+0x120/0x120 [ 721.254642] ? __lock_is_held+0xb5/0x140 [ 721.255848] 9pnet_virtio: no channels available for device /dev/zero [ 721.258731] ? rcu_read_lock_sched_held+0x108/0x120 [ 721.258753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.258770] ? __sb_start_write+0x1b2/0x370 [ 721.258797] vfs_write+0x1fc/0x560 [ 721.274153] 9pnet_virtio: no channels available for device /dev/zero [ 721.275851] ksys_write+0x101/0x260 [ 721.275876] ? __ia32_sys_read+0xb0/0xb0 [ 721.275898] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 721.275924] __x64_sys_write+0x73/0xb0 [ 721.283946] 9pnet_virtio: no channels available for device /dev/zero [ 721.290265] do_syscall_64+0x1b9/0x820 [ 721.290284] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 721.290305] ? syscall_return_slowpath+0x5e0/0x5e0 [ 721.290326] ? trace_hardirqs_on_caller+0x310/0x310 [ 721.290347] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 721.338049] ? recalc_sigpending_tsk+0x180/0x180 [ 721.342845] ? kasan_check_write+0x14/0x20 01:51:47 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:47 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:47 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x7) ioctl(r0, 0x8912, &(0x7f0000000000)="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") getrandom(&(0x7f0000000200), 0x0, 0x2) [ 721.347118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.351991] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 721.357210] RIP: 0033:0x457679 [ 721.360424] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 721.379335] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 721.387071] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 721.394356] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 721.401636] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 721.408934] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 721.416219] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 721.434236] warn_alloc_show_mem: 1 callbacks suppressed [ 721.434242] Mem-Info: [ 721.445965] active_anon:1225223 inactive_anon:369 isolated_anon:0 [ 721.445965] active_file:1513 inactive_file:4971 isolated_file:0 [ 721.445965] unevictable:9387 dirty:74 writeback:0 unstable:0 [ 721.445965] slab_reclaimable:17151 slab_unreclaimable:124462 [ 721.445965] mapped:58233 shmem:385 pagetables:65880 bounce:0 [ 721.445965] free:40024 free_pcp:901 free_cma:0 [ 721.481575] 9pnet_virtio: no channels available for device /dev/zero [ 721.491843] 9pnet_virtio: no channels available for device /dev/zero 01:51:47 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:47 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000003) [ 721.498906] Node 0 active_anon:4900792kB inactive_anon:1476kB active_file:6052kB inactive_file:19884kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232732kB dirty:296kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 721.546705] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 721.574525] lowmem_reserve[]: 0 2817 6321 6321 [ 721.581639] Node 0 DMA32 free:97492kB min:30048kB low:37560kB high:45072kB active_anon:2604876kB inactive_anon:12kB active_file:44kB inactive_file:44kB unevictable:0kB writepending:48kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:39104kB pagetables:38736kB bounce:0kB free_pcp:1476kB local_pcp:520kB free_cma:0kB [ 721.614398] 9pnet_virtio: no channels available for device /dev/zero [ 721.634238] 9pnet_virtio: no channels available for device /dev/zero [ 721.677599] lowmem_reserve[]: 0 0 3503 3503 [ 721.686862] Node 0 Normal free:46636kB min:37364kB low:46704kB high:56044kB active_anon:2296076kB inactive_anon:1472kB active_file:6012kB inactive_file:19840kB unevictable:37548kB writepending:256kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:97408kB pagetables:224828kB bounce:0kB free_pcp:2348kB local_pcp:1440kB free_cma:0kB [ 721.713453] 9pnet_virtio: no channels available for device /dev/zero [ 721.725616] lowmem_reserve[]: 0 0 0 0 [ 721.729880] 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 [ 721.736513] 9pnet_virtio: no channels available for device /dev/zero [ 721.744097] Node 0 DMA32: 287*4kB (ME) 1304*8kB (UME) 1669*16kB (UME) 593*32kB (UME) 151*64kB (UME) 51*128kB (UME) 30*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 97004kB [ 721.767485] Node 0 Normal: 1040*4kB (UME) 2503*8kB (UME) 949*16kB (UME) 231*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46760kB [ 721.781818] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 721.790817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 721.799432] 11753 total pagecache pages [ 721.803401] 0 pages in swap cache [ 721.806839] Swap cache stats: add 0, delete 0, find 0/0 [ 721.812275] Free swap = 0kB [ 721.815304] Total swap = 0kB [ 721.818328] 1965979 pages RAM [ 721.821581] 0 pages HighMem/MovableOnly 01:51:47 executing program 5: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snapshot\x00', 0x101000, 0x0) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0106426, &(0x7f00000001c0)={0x2000000000000197, &(0x7f0000000140)=[{}, {}, {}, {}, {}, {0x0}, {}, {}]}) ioctl$DRM_IOCTL_GET_CTX(r0, 0xc0086423, &(0x7f0000000200)={r1, 0x2}) getrandom(&(0x7f00000000c0)=""/55, 0x37, 0x2) r2 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r2, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcd9f000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08972b1eaad89b5346511a7f62afac6cd5d1dbd6ce0198efb37a0f3915ad2bbe400000000000000000000000000000000"], 0xd6) openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r0, 0x400454d4, &(0x7f0000000240)=0xfffffffffffffffc) lseek(r2, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000280)='gfs2\x00', &(0x7f0000000400)='./file0\x00', 0x5, 0x2, &(0x7f0000000540)=[{&(0x7f0000000440)="3c3a9c01c339200c217b23d4543b173cd998fd999c2623b6c2500f6143c0cee53c728e33499f9ecf69645ff669cdd9145daa6f5eb7", 0x35, 0x400}, {&(0x7f0000000480)="dc3516a500b61d14ddd2369edb02d072e4f07bf9c6ae160f883574c265980d4b9cfca50bc9b415199e700b59eb0a5893b7974c0e36ab04fd206b1aef201f3cc099e3db11d7263899d93404d3b8113213a316d8c368534e33bd048a7efbd593a1bafb33ee0a020e4292f85a69ae58ac4a8c1703eda7af652a55d4571f4bb7965bf457074b3d3fb6d8636390551960327a4fd11216dd7988c299aa9ab4ca3406de344328ae228a81fd98d0373c3780f5a4bcb6e4f81b14201b88d529", 0xbb, 0x4}], 0x3, &(0x7f0000000580)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@suiddir='suiddir'}, {@localcaching='localcaching'}, {@localcaching='localcaching'}, {@suiddir='suiddir'}]}) 01:51:47 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="3970f6", 0x0, &(0x7f0000000380)=ANY=[]) 01:51:47 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000007) 01:51:47 executing program 4: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey\x00', 0x400, 0x0) ioctl$EVIOCGUNIQ(r0, 0x80404508, &(0x7f0000000140)=""/53) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000180)={0xffffffffffffffff}, 0x13f, 0x1}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r0, &(0x7f00000002c0)={0x14, 0x88, 0xfa00, {r1, 0x30, 0x0, @ib={0x1b, 0x20, 0x5, {"19adff6675fbcdb07eebb9d47ac70bc1"}, 0x600000000000000, 0x4d4, 0x8}}}, 0x90) r2 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r3 = syz_open_dev$usb(&(0x7f0000000000)='/dev/bus/usb/00#/00#\x00', 0x7, 0x200) ioctl$SNDRV_TIMER_IOCTL_STATUS(r3, 0x80605414, &(0x7f0000000040)=""/165) 01:51:47 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726f04", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 721.825567] 342745 pages reserved [ 721.829012] 0 pages cma reserved [ 721.832973] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 721.844024] SELinux: failed to load policy [ 721.849002] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 721.858892] SELinux: failed to load policy [ 721.863469] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 721.873444] syz-executor3 cpuset=syz3 mems_allowed=0 [ 721.897968] CPU: 0 PID: 1479 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 721.905191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.914573] Call Trace: [ 721.917186] dump_stack+0x1c4/0x2b4 [ 721.920835] ? dump_stack_print_info.cold.2+0x52/0x52 [ 721.926053] ? kasan_check_read+0x11/0x20 [ 721.930232] warn_alloc.cold.119+0xb7/0x1bd [ 721.934581] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 721.939451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.945039] __vmalloc_node_range+0x472/0x750 [ 721.949570] ? graph_lock+0x170/0x170 [ 721.951102] 9pnet_virtio: no channels available for device /dev/zero [ 721.953390] ? __lock_is_held+0xb5/0x140 [ 721.953412] ? sel_write_load+0x1d1/0x460 [ 721.953432] vmalloc+0x6f/0x80 [ 721.953453] ? sel_write_load+0x1d1/0x460 [ 721.967733] 9pnet_virtio: no channels available for device /dev/zero [ 721.968262] sel_write_load+0x1d1/0x460 [ 721.968289] __vfs_write+0x119/0x9f0 [ 721.968309] ? check_preemption_disabled+0x48/0x200 [ 721.994914] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 721.999868] ? kernel_read+0x120/0x120 [ 722.003780] ? __lock_is_held+0xb5/0x140 [ 722.007874] ? rcu_read_lock_sched_held+0x108/0x120 [ 722.012910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.018457] ? __sb_start_write+0x1b2/0x370 [ 722.022805] vfs_write+0x1fc/0x560 [ 722.026378] ksys_write+0x101/0x260 [ 722.030026] ? __ia32_sys_read+0xb0/0xb0 [ 722.034102] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 722.039673] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 722.045145] ? ksys_ioctl+0x81/0xd0 [ 722.048799] __x64_sys_write+0x73/0xb0 [ 722.052707] do_syscall_64+0x1b9/0x820 [ 722.056615] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 722.062001] ? syscall_return_slowpath+0x5e0/0x5e0 [ 722.066955] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.071995] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 722.077034] ? recalc_sigpending_tsk+0x180/0x180 [ 722.081809] ? kasan_check_write+0x14/0x20 [ 722.086073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.090953] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 722.096150] RIP: 0033:0x457679 [ 722.099356] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 722.118292] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 722.125991] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 722.133260] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 722.140553] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 01:51:48 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) open(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) 01:51:48 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:48 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x400000006, &(0x7f0000000080)="153f6234488dd25d766070") r1 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x9, 0x4000) setsockopt$bt_hci_HCI_DATA_DIR(r1, 0x0, 0x1, &(0x7f0000000040)=0x8, 0x4) getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:48 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:48 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x40007a000000) [ 722.147833] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 722.155124] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 722.197385] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 722.236605] 9pnet_virtio: no channels available for device /dev/zero 01:51:48 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:48 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zerok', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 722.248280] 9pnet_virtio: no channels available for device /dev/zero [ 722.266934] 9pnet_virtio: no channels available for device /dev/zero [ 722.277744] 9pnet_virtio: no channels available for device /dev/zero [ 722.324238] SELinux: failed to load policy [ 722.335873] 9pnet_virtio: no channels available for device /dev/zero [ 722.352287] 9pnet_virtio: no channels available for device /dev/zero [ 722.384707] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 722.394711] syz-executor3 cpuset=syz3 mems_allowed=0 [ 722.401798] 9pnet_virtio: no channels available for device /dev/zerok [ 722.402177] CPU: 0 PID: 1518 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 722.412994] 9pnet_virtio: no channels available for device /dev/zerok [ 722.415606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.415614] Call Trace: [ 722.415635] dump_stack+0x1c4/0x2b4 [ 722.415656] ? dump_stack_print_info.cold.2+0x52/0x52 [ 722.442988] ? kasan_check_read+0x11/0x20 [ 722.447174] warn_alloc.cold.119+0xb7/0x1bd [ 722.451512] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 722.456369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.461930] __vmalloc_node_range+0x472/0x750 [ 722.466421] ? graph_lock+0x170/0x170 [ 722.470231] ? __lock_is_held+0xb5/0x140 [ 722.474285] ? sel_write_load+0x1d1/0x460 [ 722.478448] vmalloc+0x6f/0x80 [ 722.481644] ? sel_write_load+0x1d1/0x460 [ 722.485786] sel_write_load+0x1d1/0x460 [ 722.489776] __vfs_write+0x119/0x9f0 [ 722.493500] ? check_preemption_disabled+0x48/0x200 [ 722.498544] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 722.503485] ? kernel_read+0x120/0x120 [ 722.507384] ? __lock_is_held+0xb5/0x140 [ 722.511466] ? rcu_read_lock_sched_held+0x108/0x120 [ 722.516501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 722.522053] ? __sb_start_write+0x1b2/0x370 [ 722.526384] vfs_write+0x1fc/0x560 [ 722.529933] ksys_write+0x101/0x260 [ 722.533575] ? __ia32_sys_read+0xb0/0xb0 [ 722.537632] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 722.543099] __x64_sys_write+0x73/0xb0 [ 722.546996] do_syscall_64+0x1b9/0x820 [ 722.550883] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 722.556242] ? syscall_return_slowpath+0x5e0/0x5e0 [ 722.561166] ? trace_hardirqs_on_caller+0x310/0x310 [ 722.566174] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 722.571192] ? recalc_sigpending_tsk+0x180/0x180 [ 722.575964] ? kasan_check_write+0x14/0x20 [ 722.580207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 722.585070] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 722.590251] RIP: 0033:0x457679 [ 722.593452] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 722.612351] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 722.620075] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 722.627361] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 722.634631] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 722.641897] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 722.649176] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 722.657310] warn_alloc_show_mem: 1 callbacks suppressed [ 722.657316] Mem-Info: [ 722.665248] active_anon:1225543 inactive_anon:369 isolated_anon:0 [ 722.665248] active_file:1534 inactive_file:4988 isolated_file:0 [ 722.665248] unevictable:9387 dirty:92 writeback:0 unstable:0 [ 722.665248] slab_reclaimable:17091 slab_unreclaimable:125133 [ 722.665248] mapped:58183 shmem:385 pagetables:66062 bounce:0 [ 722.665248] free:38658 free_pcp:978 free_cma:0 [ 722.699346] Node 0 active_anon:4902172kB inactive_anon:1476kB active_file:6136kB inactive_file:19952kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232732kB dirty:368kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 722.728155] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 722.754468] lowmem_reserve[]: 0 2817 6321 6321 [ 722.759397] Node 0 DMA32 free:92088kB min:30048kB low:37560kB high:45072kB active_anon:2605844kB inactive_anon:12kB active_file:112kB inactive_file:112kB unevictable:0kB writepending:108kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:39552kB pagetables:39296kB bounce:0kB free_pcp:1400kB local_pcp:952kB free_cma:0kB [ 722.788945] lowmem_reserve[]: 0 0 3503 3503 [ 722.793383] Node 0 Normal free:46636kB min:37364kB low:46704kB high:56044kB active_anon:2296328kB inactive_anon:1464kB active_file:6024kB inactive_file:19840kB unevictable:37548kB writepending:260kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:97440kB pagetables:224952kB bounce:0kB free_pcp:2500kB local_pcp:1252kB free_cma:0kB [ 722.824323] lowmem_reserve[]: 0 0 0 0 [ 722.828169] 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 [ 722.841881] Node 0 DMA32: 280*4kB (UE) 607*8kB (UME) 1718*16kB (UME) 585*32kB (UME) 154*64kB (UME) 51*128kB (UME) 30*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 92120kB [ 722.860085] Node 0 Normal: 1039*4kB (UME) 2482*8kB (UME) 956*16kB (UME) 229*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46636kB [ 722.874913] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 722.883972] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 722.892804] 11784 total pagecache pages [ 722.896798] 0 pages in swap cache [ 722.900340] Swap cache stats: add 0, delete 0, find 0/0 [ 722.905727] Free swap = 0kB [ 722.908747] Total swap = 0kB [ 722.911821] 1965979 pages RAM [ 722.914933] 0 pages HighMem/MovableOnly [ 722.919418] 342745 pages reserved [ 722.919426] 0 pages cma reserved [ 722.923499] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:51:48 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) getsockopt$bt_BT_SECURITY(r1, 0x112, 0x4, &(0x7f0000000100), 0x2) 01:51:48 executing program 4: r0 = socket$inet6(0xa, 0xa, 0xff) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000000)=0x2, 0x4) 01:51:48 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:48 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x40004c000000) 01:51:48 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 722.936624] SELinux: failed to load policy [ 722.941608] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 722.953104] syz-executor3 cpuset=syz3 mems_allowed=0 [ 722.966329] CPU: 0 PID: 1529 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 722.973548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.982918] Call Trace: [ 722.985544] dump_stack+0x1c4/0x2b4 [ 722.989223] ? dump_stack_print_info.cold.2+0x52/0x52 [ 722.994439] ? kasan_check_read+0x11/0x20 [ 722.998621] warn_alloc.cold.119+0xb7/0x1bd [ 723.002967] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 723.007861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.013450] __vmalloc_node_range+0x472/0x750 [ 723.017975] ? graph_lock+0x170/0x170 [ 723.021793] ? __lock_is_held+0xb5/0x140 [ 723.025877] ? sel_write_load+0x1d1/0x460 [ 723.030047] vmalloc+0x6f/0x80 [ 723.033257] ? sel_write_load+0x1d1/0x460 [ 723.037426] sel_write_load+0x1d1/0x460 [ 723.041426] __vfs_write+0x119/0x9f0 [ 723.045160] ? check_preemption_disabled+0x48/0x200 [ 723.050195] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 723.055144] ? kernel_read+0x120/0x120 [ 723.059059] ? __lock_is_held+0xb5/0x140 [ 723.063156] ? rcu_read_lock_sched_held+0x108/0x120 [ 723.068199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.073755] ? __sb_start_write+0x1b2/0x370 [ 723.078102] vfs_write+0x1fc/0x560 [ 723.081671] ksys_write+0x101/0x260 [ 723.085329] ? __ia32_sys_read+0xb0/0xb0 [ 723.089414] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 723.094883] ? ksys_ioctl+0x81/0xd0 [ 723.098543] __x64_sys_write+0x73/0xb0 [ 723.102471] do_syscall_64+0x1b9/0x820 [ 723.106385] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 723.111769] ? syscall_return_slowpath+0x5e0/0x5e0 [ 723.116719] ? trace_hardirqs_on_caller+0x310/0x310 [ 723.121754] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 723.126792] ? recalc_sigpending_tsk+0x180/0x180 [ 723.131578] ? kasan_check_write+0x14/0x20 [ 723.135845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.140713] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 723.145916] RIP: 0033:0x457679 [ 723.149139] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 723.168053] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 723.175787] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 01:51:49 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x0, 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) fcntl$setlease(r0, 0x400, 0x1) lseek(r1, 0x100000000, 0x4000080000002) 01:51:49 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000000)=0x0) r2 = dup(r0) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000140)={0x0, @in={{0x2, 0x4e22, @local}}}, &(0x7f0000000200)=0x84) getsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000240)=@assoc_id=r3, &(0x7f00000002c0)=0x4) ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000040)=0x0) setpgid(r1, r4) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) socketpair$inet(0x2, 0x800, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000300)='/selinux/policy\x00', 0x0, 0x0) fgetxattr(r6, &(0x7f0000000340)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], &(0x7f0000000380)=""/76, 0x4c) dup(r0) getsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r5, 0x84, 0x7, &(0x7f00000000c0), &(0x7f0000000100)=0x4) 01:51:49 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000100000) [ 723.183069] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 723.190352] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 723.197634] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 723.204914] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 723.217595] 9pnet_virtio: no channels available for device /dev/zero [ 723.226112] 9pnet_virtio: no channels available for device /dev/zero 01:51:49 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 723.237069] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:51:49 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="39707f", 0x0, &(0x7f0000000380)=ANY=[]) [ 723.304958] SELinux: failed to load policy [ 723.310123] 9pnet_virtio: no channels available for device /dev/zero [ 723.311459] 9pnet_virtio: no channels available for device /dev/zero [ 723.332109] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 723.344078] 9pnet_virtio: no channels available for device /dev/zero 01:51:49 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400005000000) [ 723.362466] syz-executor3 cpuset=syz3 mems_allowed=0 [ 723.376059] CPU: 0 PID: 1580 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 723.383269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 723.392640] Call Trace: [ 723.395256] dump_stack+0x1c4/0x2b4 [ 723.398921] ? dump_stack_print_info.cold.2+0x52/0x52 [ 723.404142] ? kasan_check_read+0x11/0x20 [ 723.408323] warn_alloc.cold.119+0xb7/0x1bd [ 723.412673] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 723.417567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.423162] __vmalloc_node_range+0x472/0x750 [ 723.427690] ? graph_lock+0x170/0x170 [ 723.431525] ? __lock_is_held+0xb5/0x140 [ 723.435613] ? sel_write_load+0x1d1/0x460 [ 723.439782] vmalloc+0x6f/0x80 [ 723.442988] ? sel_write_load+0x1d1/0x460 [ 723.447176] sel_write_load+0x1d1/0x460 [ 723.451176] __vfs_write+0x119/0x9f0 [ 723.454909] ? check_preemption_disabled+0x48/0x200 [ 723.459943] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 723.464896] ? kernel_read+0x120/0x120 [ 723.468809] ? __lock_is_held+0xb5/0x140 [ 723.472905] ? rcu_read_lock_sched_held+0x108/0x120 [ 723.472922] 9pnet_virtio: no channels available for device /dev/zero [ 723.477935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.477952] ? __sb_start_write+0x1b2/0x370 [ 723.477978] vfs_write+0x1fc/0x560 [ 723.478003] ksys_write+0x101/0x260 [ 723.478025] ? __ia32_sys_read+0xb0/0xb0 [ 723.505600] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 723.511080] __x64_sys_write+0x73/0xb0 [ 723.514989] do_syscall_64+0x1b9/0x820 [ 723.518897] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 723.524289] ? syscall_return_slowpath+0x5e0/0x5e0 [ 723.529243] ? trace_hardirqs_on_caller+0x310/0x310 [ 723.534282] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 723.539325] ? recalc_sigpending_tsk+0x180/0x180 [ 723.544102] ? kasan_check_write+0x14/0x20 [ 723.548365] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.553246] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 723.558449] RIP: 0033:0x457679 01:51:49 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 723.559411] 9pnet_virtio: no channels available for device /dev/zero [ 723.561650] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 723.561661] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 723.561680] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 723.561691] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 723.561701] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 723.561718] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 723.573802] 9pnet_virtio: no channels available for device /dev/zero [ 723.587131] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 723.638497] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 723.660811] syz-executor3 cpuset=syz3 mems_allowed=0 [ 723.665985] CPU: 1 PID: 1584 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 723.673193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 723.682563] Call Trace: [ 723.685176] dump_stack+0x1c4/0x2b4 [ 723.688829] ? dump_stack_print_info.cold.2+0x52/0x52 [ 723.694079] ? kasan_check_read+0x11/0x20 [ 723.698252] warn_alloc.cold.119+0xb7/0x1bd [ 723.702580] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 723.707419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.712996] __vmalloc_node_range+0x472/0x750 [ 723.717539] ? graph_lock+0x170/0x170 [ 723.721353] ? __lock_is_held+0xb5/0x140 [ 723.725444] ? sel_write_load+0x1d1/0x460 [ 723.729605] vmalloc+0x6f/0x80 [ 723.732795] ? sel_write_load+0x1d1/0x460 [ 723.736946] sel_write_load+0x1d1/0x460 [ 723.740923] __vfs_write+0x119/0x9f0 [ 723.744644] ? check_preemption_disabled+0x48/0x200 [ 723.749657] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 723.754579] ? kernel_read+0x120/0x120 [ 723.758465] ? __lock_is_held+0xb5/0x140 [ 723.762534] ? rcu_read_lock_sched_held+0x108/0x120 [ 723.767558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 723.773097] ? __sb_start_write+0x1b2/0x370 [ 723.777412] vfs_write+0x1fc/0x560 [ 723.780947] ksys_write+0x101/0x260 [ 723.784583] ? __ia32_sys_read+0xb0/0xb0 [ 723.788652] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 723.794187] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 723.799652] ? ksys_ioctl+0x81/0xd0 [ 723.803275] __x64_sys_write+0x73/0xb0 [ 723.807157] do_syscall_64+0x1b9/0x820 [ 723.811040] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 723.816400] ? syscall_return_slowpath+0x5e0/0x5e0 [ 723.821334] ? trace_hardirqs_on_caller+0x310/0x310 [ 723.826367] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 723.831392] ? recalc_sigpending_tsk+0x180/0x180 [ 723.836170] ? kasan_check_write+0x14/0x20 [ 723.840400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 723.845242] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 723.850421] RIP: 0033:0x457679 [ 723.853624] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 723.872530] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 723.880232] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 723.887491] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 723.894764] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 723.902025] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 723.909297] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 723.918280] warn_alloc_show_mem: 2 callbacks suppressed [ 723.918286] Mem-Info: [ 723.927264] active_anon:1225837 inactive_anon:369 isolated_anon:0 [ 723.927264] active_file:1538 inactive_file:4997 isolated_file:0 [ 723.927264] unevictable:9387 dirty:185 writeback:0 unstable:0 [ 723.927264] slab_reclaimable:17039 slab_unreclaimable:125471 [ 723.927264] mapped:58183 shmem:385 pagetables:66264 bounce:0 [ 723.927264] free:37457 free_pcp:1262 free_cma:0 [ 723.962739] Node 0 active_anon:4903348kB inactive_anon:1476kB active_file:6152kB inactive_file:19988kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232732kB dirty:740kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 723.993742] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 724.020020] lowmem_reserve[]: 0 2817 6321 6321 [ 724.024660] Node 0 DMA32 free:87900kB min:30048kB low:37560kB high:45072kB active_anon:2606836kB inactive_anon:12kB active_file:128kB inactive_file:144kB unevictable:0kB writepending:216kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:39872kB pagetables:40020kB bounce:0kB free_pcp:2124kB local_pcp:1320kB free_cma:0kB [ 724.054306] lowmem_reserve[]: 0 0 3503 3503 [ 724.058679] Node 0 Normal free:46932kB min:37364kB low:46704kB high:56044kB active_anon:2296512kB inactive_anon:1464kB active_file:6024kB inactive_file:19844kB unevictable:37548kB writepending:524kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:97472kB pagetables:225036kB bounce:0kB free_pcp:2848kB local_pcp:1468kB free_cma:0kB [ 724.089902] lowmem_reserve[]: 0 0 0 0 [ 724.093774] 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 [ 724.107551] Node 0 DMA32: 293*4kB (UME) 191*8kB (UME) 1645*16kB (UME) 584*32kB (UME) 155*64kB (UME) 51*128kB (UME) 31*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 87964kB [ 724.124661] Node 0 Normal: 1093*4kB (UE) 2478*8kB (UME) 964*16kB (UME) 229*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46948kB [ 724.138710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 724.147622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 724.156267] 11792 total pagecache pages [ 724.160294] 0 pages in swap cache 01:51:50 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000100)='/dev/full\x00', 0x2, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:50 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000300) 01:51:50 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:50 executing program 4: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$EBT_SO_GET_INFO(r0, 0x0, 0x80, &(0x7f0000000300)={'nat\x00'}, &(0x7f00000000c0)=0x78) r1 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) socketpair(0x13, 0x80000, 0x5, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$BLKBSZSET(r3, 0x40081271, &(0x7f0000000040)=0x401) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f00000002c0)={0x0, @remote, @dev}, &(0x7f0000000240)=0xa) getsockopt$inet_mtu(r3, 0x0, 0xa, &(0x7f0000000180), &(0x7f00000001c0)=0x4) ioctl$FS_IOC_SETFLAGS(r2, 0x40086602, &(0x7f0000000140)=0x7) bind$xdp(r3, &(0x7f0000000100)={0x2c, 0x2, r4, 0x16, r2}, 0x10) 01:51:50 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:50 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) ioctl$EXT4_IOC_RESIZE_FS(r1, 0x40086610, &(0x7f0000000000)=0x5) lseek(r0, 0x0, 0x100000000000000) [ 724.163739] Swap cache stats: add 0, delete 0, find 0/0 [ 724.169131] Free swap = 0kB [ 724.172197] Total swap = 0kB [ 724.175232] 1965979 pages RAM [ 724.178331] 0 pages HighMem/MovableOnly [ 724.182421] 342745 pages reserved [ 724.185889] 0 pages cma reserved [ 724.190255] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 724.200319] SELinux: failed to load policy [ 724.236488] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 724.248043] 9pnet_virtio: no channels available for device /dev/zero [ 724.258021] syz-executor3 cpuset=syz3 mems_allowed=0 [ 724.264251] 9pnet_virtio: no channels available for device /dev/zero [ 724.268410] CPU: 0 PID: 1616 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 724.277950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 724.277962] Call Trace: [ 724.289913] dump_stack+0x1c4/0x2b4 [ 724.293573] ? dump_stack_print_info.cold.2+0x52/0x52 [ 724.298788] ? kasan_check_read+0x11/0x20 [ 724.302962] warn_alloc.cold.119+0xb7/0x1bd [ 724.307299] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 724.307331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.307381] __vmalloc_node_range+0x472/0x750 [ 724.322255] ? graph_lock+0x170/0x170 [ 724.326080] ? __lock_is_held+0xb5/0x140 [ 724.330165] ? sel_write_load+0x1d1/0x460 [ 724.334334] vmalloc+0x6f/0x80 [ 724.337575] ? sel_write_load+0x1d1/0x460 [ 724.341748] sel_write_load+0x1d1/0x460 [ 724.345751] __vfs_write+0x119/0x9f0 [ 724.349483] ? check_preemption_disabled+0x48/0x200 [ 724.354533] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 724.359512] ? kernel_read+0x120/0x120 [ 724.359539] ? __lock_is_held+0xb5/0x140 [ 724.359581] ? rcu_read_lock_sched_held+0x108/0x120 [ 724.372555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.378122] ? __sb_start_write+0x1b2/0x370 [ 724.382468] vfs_write+0x1fc/0x560 [ 724.386046] ksys_write+0x101/0x260 [ 724.389705] ? __ia32_sys_read+0xb0/0xb0 [ 724.393791] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 724.399323] __x64_sys_write+0x73/0xb0 [ 724.403234] do_syscall_64+0x1b9/0x820 [ 724.407138] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 724.412539] ? syscall_return_slowpath+0x5e0/0x5e0 [ 724.417503] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.422572] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 724.427610] ? recalc_sigpending_tsk+0x180/0x180 [ 724.432395] ? kasan_check_write+0x14/0x20 01:51:50 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x4000fffffff5) 01:51:50 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="397003", 0x0, &(0x7f0000000380)=ANY=[]) [ 724.436659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.441538] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 724.442788] 9pnet_virtio: no channels available for device /dev/zero [ 724.446772] RIP: 0033:0x457679 [ 724.446790] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 724.446800] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 01:51:50 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x40000000007a) 01:51:50 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="397005", 0x0, &(0x7f0000000380)=ANY=[]) [ 724.446820] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 724.446831] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 724.446841] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 724.446857] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 724.463575] 9pnet_virtio: no channels available for device /dev/zero [ 724.475471] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:51:50 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/ip_vs_stats\x00') setsockopt$XDP_UMEM_REG(r1, 0x11b, 0x4, &(0x7f0000000080)={&(0x7f0000000040)=""/60, 0x4000, 0x1000, 0x9fb}, 0x18) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:50 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400048000000) [ 724.661332] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 724.741108] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 724.755625] syz-executor3 cpuset=syz3 mems_allowed=0 [ 724.761539] CPU: 0 PID: 1639 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 724.768765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 724.778125] Call Trace: [ 724.780707] dump_stack+0x1c4/0x2b4 [ 724.784327] ? dump_stack_print_info.cold.2+0x52/0x52 [ 724.789521] ? kasan_check_read+0x11/0x20 [ 724.793669] warn_alloc.cold.119+0xb7/0x1bd [ 724.798001] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 724.802854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.808423] __vmalloc_node_range+0x472/0x750 [ 724.812925] ? graph_lock+0x170/0x170 [ 724.816719] ? __lock_is_held+0xb5/0x140 [ 724.820776] ? sel_write_load+0x1d1/0x460 [ 724.824918] vmalloc+0x6f/0x80 [ 724.828117] ? sel_write_load+0x1d1/0x460 [ 724.832278] sel_write_load+0x1d1/0x460 [ 724.836274] __vfs_write+0x119/0x9f0 [ 724.840009] ? check_preemption_disabled+0x48/0x200 [ 724.845043] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 724.850002] ? kernel_read+0x120/0x120 [ 724.853889] ? __lock_is_held+0xb5/0x140 [ 724.857951] ? rcu_read_lock_sched_held+0x108/0x120 [ 724.862959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 724.868487] ? __sb_start_write+0x1b2/0x370 [ 724.872829] vfs_write+0x1fc/0x560 [ 724.876384] ksys_write+0x101/0x260 [ 724.880011] ? __ia32_sys_read+0xb0/0xb0 [ 724.884099] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 724.889636] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 724.895109] ? ksys_ioctl+0x81/0xd0 [ 724.898747] __x64_sys_write+0x73/0xb0 [ 724.902629] do_syscall_64+0x1b9/0x820 [ 724.906517] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 724.911888] ? syscall_return_slowpath+0x5e0/0x5e0 [ 724.916824] ? trace_hardirqs_on_caller+0x310/0x310 [ 724.921833] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 724.926847] ? recalc_sigpending_tsk+0x180/0x180 [ 724.931605] ? kasan_check_write+0x14/0x20 [ 724.935852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 724.940709] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 724.945915] RIP: 0033:0x457679 [ 724.949117] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 724.968007] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 724.975706] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 724.982971] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 724.990260] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 724.997529] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 725.004802] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 725.012416] warn_alloc_show_mem: 1 callbacks suppressed [ 725.012426] Mem-Info: [ 725.020341] active_anon:1226058 inactive_anon:371 isolated_anon:0 [ 725.020341] active_file:1538 inactive_file:5011 isolated_file:0 [ 725.020341] unevictable:9387 dirty:199 writeback:0 unstable:0 [ 725.020341] slab_reclaimable:16969 slab_unreclaimable:125960 [ 725.020341] mapped:58187 shmem:385 pagetables:66387 bounce:0 [ 725.020341] free:36617 free_pcp:1172 free_cma:0 [ 725.055114] Node 0 active_anon:4904232kB inactive_anon:1484kB active_file:6152kB inactive_file:20044kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232748kB dirty:796kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 725.083953] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 725.110228] lowmem_reserve[]: 0 2817 6321 6321 [ 725.114857] Node 0 DMA32 free:83872kB min:30048kB low:37560kB high:45072kB active_anon:2607392kB inactive_anon:4kB active_file:128kB inactive_file:180kB unevictable:0kB writepending:252kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:40160kB pagetables:40328kB bounce:0kB free_pcp:1844kB local_pcp:1372kB free_cma:0kB [ 725.144413] lowmem_reserve[]: 0 0 3503 3503 [ 725.148787] Node 0 Normal free:46712kB min:37364kB low:46704kB high:56044kB active_anon:2296784kB inactive_anon:1472kB active_file:6024kB inactive_file:19868kB unevictable:37548kB writepending:560kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:97568kB pagetables:225292kB bounce:0kB free_pcp:2844kB local_pcp:1444kB free_cma:0kB [ 725.179748] lowmem_reserve[]: 0 0 0 0 [ 725.183596] 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 [ 725.197377] Node 0 DMA32: 290*4kB (UE) 102*8kB (UME) 1449*16kB (UME) 579*32kB (UME) 155*64kB (UME) 51*128kB (UME) 31*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 83944kB [ 725.214387] Node 0 Normal: 1148*4kB (UME) 2378*8kB (ME) 985*16kB (UME) 227*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46640kB [ 725.228460] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 725.237395] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 725.246055] 11809 total pagecache pages [ 725.250080] 0 pages in swap cache [ 725.253542] Swap cache stats: add 0, delete 0, find 0/0 [ 725.258917] Free swap = 0kB [ 725.262018] Total swap = 0kB [ 725.265049] 1965979 pages RAM [ 725.268158] 0 pages HighMem/MovableOnly [ 725.272226] 342745 pages reserved [ 725.275685] 0 pages cma reserved [ 725.279939] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:51:51 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='net/ip6_tables_names\x00') ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(r1, 0xc0605345, &(0x7f0000000040)={0x1, 0x3, {0x3, 0x3, 0x1bf2, 0x3, 0x3}}) 01:51:51 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:51 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:51 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000240)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:51 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000068) 01:51:51 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000080)='/dev/full\x00', 0xfffffffffffffffd, 0x0) getsockopt$EBT_SO_GET_INIT_INFO(r1, 0x0, 0x82, &(0x7f0000000100)={'filter\x00'}, &(0x7f0000000000)=0x78) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) ioctl$PPPOEIOCDFWD(r1, 0xb101, 0x0) write$UHID_GET_REPORT_REPLY(r1, &(0x7f00000001c0)={0xa, 0x1, 0xff, 0x5}, 0xa) [ 725.289647] sel_write_load: 1 callbacks suppressed [ 725.289652] SELinux: failed to load policy [ 725.333211] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 725.341313] 9pnet_virtio: no channels available for device /dev/zero [ 725.353530] syz-executor3 cpuset=syz3 mems_allowed=0 [ 725.362026] CPU: 0 PID: 1677 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 725.369239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 725.378610] Call Trace: [ 725.381223] dump_stack+0x1c4/0x2b4 [ 725.384880] ? dump_stack_print_info.cold.2+0x52/0x52 [ 725.390103] ? kasan_check_read+0x11/0x20 [ 725.394291] warn_alloc.cold.119+0xb7/0x1bd [ 725.395845] 9pnet_virtio: no channels available for device /dev/zero [ 725.398643] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 725.398672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.398731] __vmalloc_node_range+0x472/0x750 [ 725.409892] 9pnet_virtio: no channels available for device /dev/zero [ 725.410062] ? graph_lock+0x170/0x170 [ 725.430424] ? __lock_is_held+0xb5/0x140 [ 725.434516] ? sel_write_load+0x1d1/0x460 [ 725.438690] vmalloc+0x6f/0x80 [ 725.441902] ? sel_write_load+0x1d1/0x460 [ 725.444202] 9pnet_virtio: no channels available for device /dev/zero [ 725.446065] sel_write_load+0x1d1/0x460 [ 725.446093] __vfs_write+0x119/0x9f0 [ 725.446111] ? check_preemption_disabled+0x48/0x200 [ 725.446129] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 725.446152] ? kernel_read+0x120/0x120 [ 725.474139] ? __lock_is_held+0xb5/0x140 [ 725.478236] ? rcu_read_lock_sched_held+0x108/0x120 [ 725.483273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.488828] ? __sb_start_write+0x1b2/0x370 [ 725.493174] vfs_write+0x1fc/0x560 [ 725.496739] ksys_write+0x101/0x260 [ 725.500389] ? __ia32_sys_read+0xb0/0xb0 [ 725.504473] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 725.509964] __x64_sys_write+0x73/0xb0 [ 725.513873] do_syscall_64+0x1b9/0x820 [ 725.517777] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 725.522267] 9pnet_virtio: no channels available for device /dev/zero˙ [ 725.523160] ? syscall_return_slowpath+0x5e0/0x5e0 [ 725.523184] ? trace_hardirqs_on_caller+0x310/0x310 [ 725.523203] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 725.523220] ? recalc_sigpending_tsk+0x180/0x180 [ 725.523239] ? kasan_check_write+0x14/0x20 [ 725.544571] 9pnet_virtio: no channels available for device /dev/zero˙ [ 725.544783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.544811] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 725.570387] RIP: 0033:0x457679 01:51:51 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726fff", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:51 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 725.573599] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 725.592532] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 725.600280] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 725.607557] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 725.614847] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 725.622144] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff 01:51:51 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="3970c0", 0x0, &(0x7f0000000380)=ANY=[]) 01:51:51 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400007000000) [ 725.624772] 9pnet_virtio: no channels available for device /dev/zero [ 725.629453] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:51:51 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="3970ff", 0x0, &(0x7f0000000380)=ANY=[]) 01:51:51 executing program 4: r0 = socket$inet6(0xa, 0x808, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r1 = syz_open_dev$mice(&(0x7f0000000180)='/dev/input/mice\x00', 0x0, 0x208500) ioctl$KVM_SET_VCPU_EVENTS(r1, 0x4040aea0, &(0x7f00000001c0)={0x714, 0xb802, 0x400, 0x0, 0x3, 0x10001, 0x0, 0xde, 0x0, 0xe2, 0xffffffffffff670f, 0x60000000000000, 0x0, 0x5, 0x40000000, 0x0, 0x101, 0xfffffffffffff99f, 0x3}) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netfilter\x00') ioctl$DRM_IOCTL_MODE_GETRESOURCES(r2, 0xc04064a0, &(0x7f0000000140)={&(0x7f0000000040)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000080)=[0x0, 0x0], &(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000100)=[0x0], 0x9, 0x2, 0x7, 0x1}) getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:51 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:51 executing program 0: ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000100)) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000140)=0x0) r1 = syz_open_procfs(r0, &(0x7f0000000000)="6e65742f617270002f7df5a483dcb6d73d3f1c710bbae215bdaf223ef50780e04073945de3dccd6a60ccf498ec3a51543b2ca549f6bc3937c377a8c67bc023a64d5ec97f4571d729095750ed3f1c6421655b0bdb171b3297d2900a0babddf6ba99") sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:51:51 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 725.824037] 9pnet_virtio: no channels available for device /dev/zero [ 725.848726] 9pnet_virtio: no channels available for device /dev/zero [ 725.874812] 9pnet_virtio: no channels available for device /dev/zero [ 725.906403] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 725.908107] 9pnet_virtio: no channels available for device /dev/zero [ 725.936238] 9pnet_virtio: no channels available for device /dev/zero [ 726.009634] SELinux: failed to load policy [ 726.014437] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 726.024909] syz-executor3 cpuset=syz3 mems_allowed=0 [ 726.030559] CPU: 0 PID: 1703 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 726.037775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 726.047124] Call Trace: [ 726.049724] dump_stack+0x1c4/0x2b4 [ 726.053376] ? dump_stack_print_info.cold.2+0x52/0x52 [ 726.058598] ? kasan_check_read+0x11/0x20 [ 726.062744] warn_alloc.cold.119+0xb7/0x1bd [ 726.067073] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 726.071965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.077558] __vmalloc_node_range+0x472/0x750 [ 726.082073] ? graph_lock+0x170/0x170 [ 726.085865] ? __lock_is_held+0xb5/0x140 [ 726.089933] ? sel_write_load+0x1d1/0x460 [ 726.094073] vmalloc+0x6f/0x80 [ 726.097281] ? sel_write_load+0x1d1/0x460 [ 726.101443] sel_write_load+0x1d1/0x460 [ 726.105425] __vfs_write+0x119/0x9f0 [ 726.109163] ? check_preemption_disabled+0x48/0x200 [ 726.114213] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 726.119147] ? kernel_read+0x120/0x120 [ 726.123038] ? __lock_is_held+0xb5/0x140 [ 726.127100] ? rcu_read_lock_sched_held+0x108/0x120 [ 726.132122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.137646] ? __sb_start_write+0x1b2/0x370 [ 726.141972] vfs_write+0x1fc/0x560 [ 726.145530] ksys_write+0x101/0x260 [ 726.149149] ? __ia32_sys_read+0xb0/0xb0 [ 726.153217] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 726.158680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 726.164214] ? ksys_ioctl+0x81/0xd0 [ 726.167847] __x64_sys_write+0x73/0xb0 [ 726.171726] do_syscall_64+0x1b9/0x820 [ 726.175622] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 726.180983] ? syscall_return_slowpath+0x5e0/0x5e0 [ 726.185932] ? trace_hardirqs_on_caller+0x310/0x310 [ 726.190968] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 726.195990] ? recalc_sigpending_tsk+0x180/0x180 [ 726.200743] ? kasan_check_write+0x14/0x20 [ 726.205000] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.209849] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 726.215063] RIP: 0033:0x457679 [ 726.218250] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 726.237142] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 726.244863] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 726.252134] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 726.259409] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 726.266699] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 726.273986] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 726.281480] warn_alloc_show_mem: 1 callbacks suppressed [ 726.281490] Mem-Info: [ 726.289639] active_anon:1226423 inactive_anon:369 isolated_anon:0 [ 726.289639] active_file:1540 inactive_file:5021 isolated_file:0 [ 726.289639] unevictable:9387 dirty:209 writeback:0 unstable:0 [ 726.289639] slab_reclaimable:16939 slab_unreclaimable:126593 [ 726.289639] mapped:58185 shmem:385 pagetables:66629 bounce:0 [ 726.289639] free:35233 free_pcp:1051 free_cma:0 [ 726.323938] Node 0 active_anon:4905692kB inactive_anon:1476kB active_file:6160kB inactive_file:20084kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232740kB dirty:836kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 726.352810] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 726.379083] lowmem_reserve[]: 0 2817 6321 6321 [ 726.383771] Node 0 DMA32 free:78264kB min:30048kB low:37560kB high:45072kB active_anon:2608120kB inactive_anon:0kB active_file:136kB inactive_file:180kB unevictable:0kB writepending:268kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:40512kB pagetables:40948kB bounce:0kB free_pcp:1684kB local_pcp:792kB free_cma:0kB [ 726.413248] lowmem_reserve[]: 0 0 3503 3503 [ 726.417621] Node 0 Normal free:46744kB min:37364kB low:46704kB high:56044kB active_anon:2297592kB inactive_anon:1484kB active_file:6036kB inactive_file:19904kB unevictable:37548kB writepending:584kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:97856kB pagetables:225588kB bounce:0kB free_pcp:2520kB local_pcp:1228kB free_cma:0kB [ 726.448609] lowmem_reserve[]: 0 0 0 0 [ 726.452499] 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 [ 726.466203] Node 0 DMA32: 290*4kB (ME) 102*8kB (UE) 1111*16kB (UME) 571*32kB (UME) 155*64kB (UME) 51*128kB (UME) 31*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 78280kB [ 726.483086] Node 0 Normal: 1348*4kB (UME) 2225*8kB (UME) 1018*16kB (UME) 228*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46776kB [ 726.498140] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 726.507098] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 726.515746] 11825 total pagecache pages [ 726.519832] 0 pages in swap cache [ 726.523323] Swap cache stats: add 0, delete 0, find 0/0 [ 726.528681] Free swap = 0kB [ 726.531853] Total swap = 0kB [ 726.534905] 1965979 pages RAM [ 726.538008] 0 pages HighMem/MovableOnly [ 726.542077] 342745 pages reserved [ 726.545545] 0 pages cma reserved [ 726.549603] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:51:52 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000000)={0x4, 0x0, 0x8001, 0x1f, 0x200, 0xb9, 0x8001, 0x7, 0x0}, &(0x7f0000000040)=0x20) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f0000000100)={r1, @in6={{0xa, 0x4e20, 0x4, @loopback, 0x240000000000000}}}, 0x84) sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f00000001c0)=@nl, 0x71, &(0x7f00000006c0)=[{&(0x7f0000000240)="59cc7b3cbafb604a237587124e250cb76f6eac99a212f88cce7c"}, {&(0x7f0000000a00)="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"}, {&(0x7f0000000280)="846f"}, {&(0x7f00000002c0)="7e3c729d8bf02b6e851e810f7c2d1d8b7442fd3ddaeb3af108441e0ec0877d651e86975972fc4a68c26d384815e9bc967c2ee3cfae66eaa913787c97639d88a65cebae15cd09066bc205ccc7f10ac31ebef8e808f43f5a2d021a38185bf3b681be266ec07e27a4e6a90ca0cdf4b68d798c92763e025defce70593c11f181fe64fe3541c5cc39d96e3bedab93f648ebf302c9d084bbe5a75f464fe7340c1ccbe0810160114df000fb7ae617ee7d03ff613e074469e9b9a6"}, {&(0x7f0000000380)="76b4251cae64d5c09b87f9701a1e260d11f2f11f5a68c97d6fb284533551fed33cade2a477743a271aed4b702638051a919062b4c4f70700c7700dfc9fe354aa2f668bebfcf87c6638f2c83cc86a0a434a10e9d702639a4f176b60e356d761e3bf2da3351b9b3219f6dd3507383dd534970a850b927106e22cb6"}, {&(0x7f0000000400)="1475a976e1c71c3e26b20d6efc44d9c1637857e89fbe4b8dbd4367400f0606613a576dac6d33933e48159ee6ceb5da203bbd0cf09029b5c832a42f9f83a1bc3c572d49d442f9815bdf1eba923dde8945"}, {&(0x7f0000000480)="4bb95f80504ef2ddf9e54a72fe8413f0a5967e5193517d0c649d5695ffae72737350055c93404b7c815ea0f5142dd141d88c552f42487859792cd4ece039cde4e81bd43da55f14d4d0e0c7cda7f06d28ee9e76bad1acc3c3141b62655d482aa8d3df02a06c43dd0c3f7a76240447f390015b4770e6f1aa6cd8102013b12ed4114904226ae0268f72db699e1f6c4763479266171a87a006970c92e9d7aadeb601dfc32a17c56586c3e18c87a43c483fa62beef8db527b84f04f41de"}, {&(0x7f0000000540)="ba90182501492f1d1768485998d712c0ba7adb577a38030cf9b604cb003174e659d87d299a501fb38a12dbc0b9f0cb2880dc1ab017a61be6b83b881280eb25ffc46591ea2bb517d80e028a41a3c832592e4452af56e727ad39a0f3c7ee51dec08ae0b796a0416f5249661459ddb0c302c9ab8cce43bcdd5166b93cff8645dcbd39710ecc42e2a9cfdbee987b8ac4ba50930af5d99cd2a1a395559a9c19a03be3de18bce5e761add3769347d00109c4a39811dde0fbce80ee443d1d8c6a761f7f2e0a7f7e5f46d125f8eed5c1c9c67899a8"}, {&(0x7f0000000640)="21d1cfb5e72bfad5dab93d9354753a84867182511d764990e51f28a8b2f3afc268a28b008da0b02dfdaddc4163d1368da2bcd3597b4b605c3e7eb9e27ceaf6a410fe41ab844f5a119661421c04048bc52f7c9c9d5b112165af5608d5ca1806205fb6eb51cd80f011c8f12ea15c18e6"}], 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f0000001a00)=@filter={'filter\x00', 0xe, 0x4, 0x3d0, 0x300, 0x0, 0x210, 0x120, 0x210, 0x300, 0x300, 0x300, 0x300, 0x300, 0x4, &(0x7f0000000080), {[{{@ipv6={@remote, @local, [0xffffff00, 0x0, 0xffffffff, 0xffffffff], [0xa60ef1cd5caa3b27, 0xff, 0xff000000], 'ipddp0\x00', 'ip6_vti0\x00', {}, {0xff}, 0x84, 0x3ff, 0x4}, 0x0, 0xf8, 0x120, 0x0, {}, [@common=@ah={0x30, 'ah\x00', 0x0, {0x4d3, 0x4d6, 0x4, 0x1, 0x3}}]}, @common=@inet=@SET1={0x28, 'SET\x00', 0x1, {{0xfb, 0x7, 0x6}, {0x5, 0x1, 0x8568}}}}, {{@uncond, 0x0, 0xc8, 0xf0}, @REJECT={0x28, 'REJECT\x00', 0x0, {0x4}}}, {{@ipv6={@ipv4={[], [], @local}, @ipv4={[], [], @dev={0xac, 0x14, 0x14, 0xb}}, [0xff, 0xffffffff, 0x0, 0xffffffff], [0xffffffff, 0xffffffff, 0xff], 'ip6tnl0\x00', 'bond_slave_1\x00', {0xff}, {0xff}, 0x21, 0x4, 0x2, 0x53}, 0x0, 0xc8, 0xf0}, @REJECT={0x28, 'REJECT\x00', 0x0, {0x4}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x430) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:51:52 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/avc/hash_stats\x00', 0x0, 0x0) setsockopt$SO_RDS_MSG_RXPATH_LATENCY(r1, 0x114, 0xa, &(0x7f0000000140)={0x3, "caa26c"}, 0x4) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:52 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) fchmod(r0, 0x80) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:51:52 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000140), 0xffffffffffffff75, 0x2) connect(r0, &(0x7f0000000100)=@pppol2tpv3in6={0x18, 0x1, {0x0, r0, 0x3, 0x1, 0x3, 0x1, {0xa, 0x4e24, 0x80000001, @dev={0xfe, 0x80, [], 0x18}, 0x2}}}, 0x80) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x400, 0x0) getsockopt$inet6_mtu(r0, 0x29, 0x17, &(0x7f0000000080), &(0x7f00000000c0)=0xfffffffffffffec4) ioctl$IOC_PR_PREEMPT(r1, 0x401870cb, &(0x7f0000000040)={0x81, 0x1000, 0x5, 0x4}) 01:51:52 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:52 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 726.560184] SELinux: failed to load policy 01:51:52 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 726.593816] 9pnet_virtio: no channels available for device /dev/zero [ 726.601712] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 726.608199] 9pnet_virtio: no channels available for device /dev/zero [ 726.613792] syz-executor3 cpuset=syz3 mems_allowed=0 [ 726.639853] CPU: 0 PID: 1765 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 726.647077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 726.656901] Call Trace: [ 726.659532] dump_stack+0x1c4/0x2b4 [ 726.663188] ? dump_stack_print_info.cold.2+0x52/0x52 [ 726.668411] ? kasan_check_read+0x11/0x20 [ 726.672592] warn_alloc.cold.119+0xb7/0x1bd [ 726.676933] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 726.681803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.687408] __vmalloc_node_range+0x472/0x750 [ 726.691929] ? graph_lock+0x170/0x170 [ 726.695761] ? __lock_is_held+0xb5/0x140 [ 726.697494] 9pnet_virtio: no channels available for device /dev/zero [ 726.699840] ? sel_write_load+0x1d1/0x460 [ 726.699862] vmalloc+0x6f/0x80 [ 726.699880] ? sel_write_load+0x1d1/0x460 [ 726.699898] sel_write_load+0x1d1/0x460 [ 726.699923] __vfs_write+0x119/0x9f0 [ 726.699945] ? check_preemption_disabled+0x48/0x200 [ 726.711841] 9pnet_virtio: no channels available for device /dev/zero [ 726.713778] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 726.713799] ? kernel_read+0x120/0x120 [ 726.713824] ? __lock_is_held+0xb5/0x140 [ 726.713856] ? rcu_read_lock_sched_held+0x108/0x120 [ 726.713877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 726.760890] ? __sb_start_write+0x1b2/0x370 [ 726.765234] vfs_write+0x1fc/0x560 [ 726.768800] ksys_write+0x101/0x260 [ 726.772440] ? __ia32_sys_read+0xb0/0xb0 [ 726.776542] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 726.782021] ? fput+0x130/0x1a0 [ 726.785327] __x64_sys_write+0x73/0xb0 [ 726.789245] do_syscall_64+0x1b9/0x820 [ 726.793149] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 726.798531] ? syscall_return_slowpath+0x5e0/0x5e0 [ 726.803470] ? trace_hardirqs_on_caller+0x310/0x310 [ 726.808520] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 726.813577] ? recalc_sigpending_tsk+0x180/0x180 [ 726.818346] ? kasan_check_write+0x14/0x20 [ 726.822615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.827483] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 726.832708] RIP: 0033:0x457679 [ 726.835916] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 726.854826] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 726.862544] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 726.869815] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 726.877097] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 726.884416] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff 01:51:52 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726fff", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:52 executing program 0: r0 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0xe2c5, 0x0) ioctl$FIGETBSZ(r0, 0x2, &(0x7f0000000040)) r1 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') ioctl$ASHMEM_GET_NAME(r1, 0x81007702, &(0x7f0000000200)=""/186) sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) ioctl$SNDRV_CTL_IOCTL_CARD_INFO(r1, 0x81785501, &(0x7f0000000100)=""/228) [ 726.891696] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:51:52 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 726.915422] 9pnet_virtio: no channels available for device /dev/zero [ 726.954443] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 726.966116] SELinux: failed to load policy [ 726.976829] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 726.991942] 9pnet_virtio: no channels available for device /dev/zero [ 726.994835] syz-executor3 cpuset=syz3 mems_allowed=0 [ 727.006600] 9pnet_virtio: no channels available for device /dev/zero [ 727.008311] CPU: 1 PID: 1765 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 727.020326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 727.029691] Call Trace: [ 727.032319] dump_stack+0x1c4/0x2b4 [ 727.035982] ? dump_stack_print_info.cold.2+0x52/0x52 [ 727.041187] ? kasan_check_read+0x11/0x20 [ 727.045367] warn_alloc.cold.119+0xb7/0x1bd [ 727.049723] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 727.054596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.060188] __vmalloc_node_range+0x472/0x750 01:51:52 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="39708c", 0x0, &(0x7f0000000380)=ANY=[]) 01:51:53 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="397002", 0x0, &(0x7f0000000380)=ANY=[]) 01:51:53 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 727.064705] ? graph_lock+0x170/0x170 [ 727.068558] ? __lock_is_held+0xb5/0x140 [ 727.072748] ? sel_write_load+0x1d1/0x460 [ 727.076916] vmalloc+0x6f/0x80 [ 727.080126] ? sel_write_load+0x1d1/0x460 [ 727.084292] sel_write_load+0x1d1/0x460 [ 727.088305] __vfs_write+0x119/0x9f0 [ 727.092033] ? check_preemption_disabled+0x48/0x200 [ 727.097081] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 727.102032] ? kernel_read+0x120/0x120 [ 727.105944] ? __lock_is_held+0xb5/0x140 [ 727.110046] ? rcu_read_lock_sched_held+0x108/0x120 [ 727.111626] 9pnet_virtio: no channels available for device /dev/zero [ 727.115095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.115113] ? __sb_start_write+0x1b2/0x370 [ 727.115138] vfs_write+0x1fc/0x560 [ 727.115162] ksys_write+0x101/0x260 [ 727.115184] ? __ia32_sys_read+0xb0/0xb0 [ 727.128472] 9pnet_virtio: no channels available for device /dev/zero [ 727.131606] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 727.131620] ? fput+0x130/0x1a0 [ 727.131645] __x64_sys_write+0x73/0xb0 [ 727.131666] do_syscall_64+0x1b9/0x820 [ 727.131683] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 727.131702] ? syscall_return_slowpath+0x5e0/0x5e0 [ 727.131721] ? trace_hardirqs_on_caller+0x310/0x310 [ 727.131738] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 727.131754] ? recalc_sigpending_tsk+0x180/0x180 [ 727.131769] ? kasan_check_write+0x14/0x20 [ 727.131803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.131827] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 727.131839] RIP: 0033:0x457679 [ 727.131869] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 727.131877] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 727.131895] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 727.131904] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 727.131919] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 727.143134] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 727.143150] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 727.262877] 9pnet_virtio: no channels available for device /dev/zero˙ [ 727.297143] 9pnet_virtio: no channels available for device /dev/zero˙ [ 727.301972] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:51:53 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) r1 = socket$inet_sctp(0x2, 0x1, 0x84) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$rds(0x15, 0x5, 0x0) getsockopt$sock_int(r1, 0x1, 0x0, &(0x7f0000000140), &(0x7f00000001c0)=0x4) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a76a6c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r3 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f00000000c0)) ioctl$KVM_ARM_SET_DEVICE_ADDR(r3, 0x4010aeab, &(0x7f0000000100)={0x1, 0x5000}) lseek(r0, 0x0, 0x0) ioctl$KVM_ARM_SET_DEVICE_ADDR(r2, 0x4010aeab, &(0x7f0000000200)={0xdb, 0x1f000}) 01:51:53 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 727.317678] SELinux: failed to load policy [ 727.357979] 9pnet_virtio: no channels available for device /dev/zero [ 727.375254] 9pnet_virtio: no channels available for device /dev/zero 01:51:53 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0}) r3 = getgid() write$P9_RGETATTR(r1, &(0x7f0000000100)={0xa0, 0x19, 0x1, {0x1410, {0x80, 0x1, 0x7}, 0x1, r2, r3, 0x9, 0x7, 0xa2, 0x3, 0x5, 0xfffffffffffffffa, 0x0, 0x6, 0x6, 0x0, 0xffff, 0x4759, 0x5, 0x9, 0x2}}, 0xa0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:53 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) socket$rds(0x15, 0x5, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) ioctl$KVM_SET_MP_STATE(r1, 0x4004ae99, &(0x7f0000000000)=0x7) r2 = socket$inet6(0xa, 0x1, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r4 = dup2(r2, r3) setsockopt$packet_fanout_data(r1, 0x107, 0x16, &(0x7f0000000140)={0x7, &(0x7f0000000080)=[{0x1d, 0x0, 0xe8, 0x8}, {0x3, 0x6, 0x4, 0xfffffffffffffffe}, {0x1b, 0xffff, 0x9, 0x5009a0e0}, {0x6, 0x2, 0x80000001, 0x1}, {0x1, 0x6, 0x1000, 0x9f2}, {0x0, 0x3ff, 0x2, 0x200}, {0x6, 0x2, 0xd344, 0xffffffffffffff00}]}, 0x10) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) r5 = getpid() sched_setscheduler(r5, 0x5, &(0x7f0000000100)) ioctl$KDSETLED(r4, 0x890b, 0x705000) lseek(r0, 0x0, 0x100000000000000) 01:51:53 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:53 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000000)="6e18becae1c26170") sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000040), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) ioctl$TIOCSWINSZ(r0, 0x5414, &(0x7f0000000040)={0x8, 0x10000, 0x1, 0x94a}) 01:51:53 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:53 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef295b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b086ff7fbffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) [ 727.408248] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 727.420946] SELinux: failed to load policy [ 727.434765] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 727.444858] SELinux: failed to load policy 01:51:53 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:53 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) stat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000100)) openat$rtc(0xffffffffffffff9c, &(0x7f0000000200)='/dev/rtc0\x00', 0x80000, 0x0) r1 = semget(0x0, 0x1, 0xa0) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000040)=0x6) semctl$GETNCNT(r1, 0x1, 0xe, &(0x7f0000000240)=""/92) [ 727.501839] 9pnet_virtio: no channels available for device /dev/zero [ 727.502429] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 727.534531] 9pnet_virtio: no channels available for device /dev/zero [ 727.584123] 9pnet_virtio: no channels available for device /dev/zero [ 727.592483] syz-executor3 cpuset=syz3 mems_allowed=0 [ 727.607784] CPU: 1 PID: 1844 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 727.610657] 9pnet_virtio: no channels available for device /dev/zero [ 727.615005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 727.615013] Call Trace: 01:51:53 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x4000, 0x0) write$FUSE_NOTIFY_INVAL_ENTRY(r1, &(0x7f0000000080)={0x31, 0x3, 0x0, {0x0, 0x10, 0x0, '/selinux/status\x00'}}, 0x31) openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) write$FUSE_INIT(r1, &(0x7f00000000c0)={0x50, 0x0, 0x2, {0x7, 0x1b, 0x6, 0x100, 0x5, 0x6, 0x200, 0xafd}}, 0x50) [ 727.615035] dump_stack+0x1c4/0x2b4 [ 727.615060] ? dump_stack_print_info.cold.2+0x52/0x52 [ 727.642328] ? kasan_check_read+0x11/0x20 [ 727.646498] warn_alloc.cold.119+0xb7/0x1bd [ 727.648972] 9pnet_virtio: no channels available for device /dev/zero [ 727.651034] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 727.651059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.651117] __vmalloc_node_range+0x472/0x750 [ 727.651136] ? graph_lock+0x170/0x170 [ 727.651149] ? __lock_is_held+0xb5/0x140 [ 727.651169] ? sel_write_load+0x1d1/0x460 [ 727.651193] vmalloc+0x6f/0x80 [ 727.687759] ? sel_write_load+0x1d1/0x460 [ 727.691930] sel_write_load+0x1d1/0x460 [ 727.695927] __vfs_write+0x119/0x9f0 [ 727.699667] ? check_preemption_disabled+0x48/0x200 [ 727.704692] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 727.709634] ? kernel_read+0x120/0x120 [ 727.713544] ? __lock_is_held+0xb5/0x140 [ 727.717644] ? rcu_read_lock_sched_held+0x108/0x120 [ 727.722686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 727.728233] ? __sb_start_write+0x1b2/0x370 [ 727.732571] vfs_write+0x1fc/0x560 [ 727.736124] ksys_write+0x101/0x260 [ 727.739765] ? __ia32_sys_read+0xb0/0xb0 [ 727.743834] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 727.749346] __x64_sys_write+0x73/0xb0 [ 727.753243] do_syscall_64+0x1b9/0x820 [ 727.757146] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 727.762522] ? syscall_return_slowpath+0x5e0/0x5e0 [ 727.767459] ? trace_hardirqs_on_caller+0x310/0x310 [ 727.772483] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 727.777516] ? recalc_sigpending_tsk+0x180/0x180 [ 727.782315] ? kasan_check_write+0x14/0x20 [ 727.786563] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 727.791438] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 727.796641] RIP: 0033:0x457679 [ 727.799865] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 727.818771] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 727.826488] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 01:51:53 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 727.833766] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 727.841038] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 727.848317] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 727.855597] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 727.873233] warn_alloc_show_mem: 2 callbacks suppressed [ 727.873239] Mem-Info: 01:51:53 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x2, &(0x7f0000000000), 0x13f, 0xb}}, 0x20) getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:53 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) ioctl$RTC_EPOCH_SET(r0, 0x4008700e, 0x1) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 727.885013] active_anon:1227105 inactive_anon:370 isolated_anon:0 [ 727.885013] active_file:1560 inactive_file:5037 isolated_file:0 [ 727.885013] unevictable:9387 dirty:231 writeback:0 unstable:0 [ 727.885013] slab_reclaimable:16834 slab_unreclaimable:127576 [ 727.885013] mapped:58199 shmem:385 pagetables:67096 bounce:0 [ 727.885013] free:32840 free_pcp:1011 free_cma:0 [ 727.960725] Node 0 active_anon:4908520kB inactive_anon:1480kB active_file:6240kB inactive_file:20148kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232996kB dirty:1024kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no 01:51:53 executing program 0: r0 = fcntl$getown(0xffffffffffffffff, 0x9) r1 = syz_open_procfs(r0, &(0x7f0000000140)='net/ip_tables_matches\x00') r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r1, &(0x7f0000000240)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x94, r2, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x3f}, @IPVS_CMD_ATTR_DEST={0x5c, 0x2, [@IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@multicast1}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@rand_addr=0x1}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e24}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x8001}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x7}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e22}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}]}, @IPVS_CMD_ATTR_DEST={0x1c, 0x2, [@IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0xa93}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x3}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x5}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x8000}, 0x1) sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 728.011422] 9pnet_virtio: no channels available for device /dev/zero [ 728.022572] 9pnet_virtio: no channels available for device /dev/zero [ 728.034034] 9pnet_virtio: no channels available for device /dev/zero [ 728.057172] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 728.085188] lowmem_reserve[]: 0 2817 6321 6321 [ 728.090378] Node 0 DMA32 free:67952kB min:30048kB low:37560kB high:45072kB active_anon:2610092kB inactive_anon:8kB active_file:168kB inactive_file:228kB unevictable:0kB writepending:448kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:41344kB pagetables:42360kB bounce:0kB free_pcp:1864kB local_pcp:476kB free_cma:0kB [ 728.120317] lowmem_reserve[]: 0 0 3503 3503 [ 728.124696] Node 0 Normal free:46612kB min:37364kB low:46704kB high:56044kB active_anon:2298528kB inactive_anon:1472kB active_file:6072kB inactive_file:19920kB unevictable:37548kB writepending:772kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:98112kB pagetables:226172kB bounce:0kB free_pcp:2040kB local_pcp:1196kB free_cma:0kB [ 728.155930] lowmem_reserve[]: 0 0 0 0 [ 728.159822] 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 [ 728.173663] Node 0 DMA32: 290*4kB (UE) 66*8kB (UME) 507*16kB (UME) 547*32kB (UME) 154*64kB (UME) 52*128kB (UME) 32*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 67880kB [ 728.190501] Node 0 Normal: 1473*4kB (UME) 2067*8kB (UME) 1062*16kB (UME) 225*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46620kB [ 728.204780] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 728.213712] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 728.222355] 11852 total pagecache pages [ 728.226361] 0 pages in swap cache [ 728.229929] Swap cache stats: add 0, delete 0, find 0/0 [ 728.235304] Free swap = 0kB [ 728.238318] Total swap = 0kB [ 728.241402] 1965979 pages RAM [ 728.244529] 0 pages HighMem/MovableOnly [ 728.248532] 342745 pages reserved [ 728.252087] 0 pages cma reserved [ 728.255589] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 728.265586] syz-executor3 cpuset=syz3 mems_allowed=0 [ 728.270769] CPU: 0 PID: 1850 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 728.277944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 728.287294] Call Trace: [ 728.289895] dump_stack+0x1c4/0x2b4 [ 728.293542] ? dump_stack_print_info.cold.2+0x52/0x52 [ 728.298767] ? kasan_check_read+0x11/0x20 [ 728.302930] warn_alloc.cold.119+0xb7/0x1bd [ 728.307258] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 728.312108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.317685] __vmalloc_node_range+0x472/0x750 [ 728.322186] ? graph_lock+0x170/0x170 [ 728.326003] ? __lock_is_held+0xb5/0x140 [ 728.330062] ? sel_write_load+0x1d1/0x460 [ 728.334237] vmalloc+0x6f/0x80 [ 728.337434] ? sel_write_load+0x1d1/0x460 [ 728.341602] sel_write_load+0x1d1/0x460 [ 728.345599] __vfs_write+0x119/0x9f0 [ 728.349342] ? check_preemption_disabled+0x48/0x200 [ 728.354364] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 728.359313] ? kernel_read+0x120/0x120 [ 728.363193] ? __lock_is_held+0xb5/0x140 [ 728.367262] ? rcu_read_lock_sched_held+0x108/0x120 [ 728.372279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.377818] ? __sb_start_write+0x1b2/0x370 [ 728.382130] vfs_write+0x1fc/0x560 [ 728.385665] ksys_write+0x101/0x260 [ 728.389311] ? __ia32_sys_read+0xb0/0xb0 [ 728.393386] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 728.398851] __x64_sys_write+0x73/0xb0 [ 728.402730] do_syscall_64+0x1b9/0x820 [ 728.406611] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 728.411973] ? syscall_return_slowpath+0x5e0/0x5e0 [ 728.416909] ? trace_hardirqs_on_caller+0x310/0x310 [ 728.421939] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 728.426958] ? recalc_sigpending_tsk+0x180/0x180 [ 728.431706] ? kasan_check_write+0x14/0x20 [ 728.435947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.440797] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 728.446010] RIP: 0033:0x457679 01:51:54 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, &(0x7f00000001c0), 0xffffffffffffffff) r1 = open(&(0x7f0000000000)='./file0\x00', 0x200000, 0x13) ioctl$TIOCSWINSZ(r1, 0x5414, &(0x7f0000000080)={0x2, 0x8, 0x8, 0x10000}) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x4, 0x0) ioctl$UI_SET_FFBIT(r2, 0x4004556b, 0x4) ioctl$TIOCMBIC(r2, 0x5417, &(0x7f0000000240)=0x5302) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0xfffffffffffffffd, 0x100000000000000) r3 = gettid() lseek(r1, 0x0, 0x3) sched_getattr(r3, &(0x7f0000000100), 0x30, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000140)={&(0x7f0000000300)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xcc, 0xe4, 0x7f, {"4867e494f219444e05cb0a13cc28a28dae411f5ce509ce69c833b92b432ac4f10cc0765702a636680eb45ad75755e671942cb3bc4499a1b506585deadcdd877f1495a2d5e32f043dd17c4bcb4fd73a614887024a611b7df29d5dccfeeca3970079f72a79d0e72a1c3c4af8ac167dfb002b487987b0729515bdfaf8b48e3a4984ecc912b50fd22185d68517e821fb286851450146aaf01cff53d94fa60b576b08538a6e7536784709fd6ca2374009217c03d30e899fafeaf27e840fa556aa658a9329be81f753a0a556"}}, {0x0, "e223aa26"}}, &(0x7f0000000040)=""/29, 0xea, 0x1d, 0x1}, 0x20) ioctl$sock_ifreq(r1, 0x8919, &(0x7f0000000200)={'bridge_slave_0\x00', @ifru_mtu=0x4457}) openat(r1, &(0x7f0000000280)='./file0\x00', 0x0, 0x1e) 01:51:54 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) mq_notify(r1, &(0x7f0000000200)={0x0, 0x5, 0x1, @thr={&(0x7f00000000c0)="377399b0a111595f3ccf25bd69bce662a9bcae81b60b4469f020cf23bd3e98f791ff5a1b1d90a013e4cbcdeb6f81f04de7365877453b2cb9bcfc966f7113a07256200546cbaa164cd1c3cba4415e9c9ea3f2f658f2328d003b59ec5b04741a5e9e26bc336328", &(0x7f0000000140)="9b07d14597e9e3186e7c8992b6eee451de7e725a6ea9e10de617db057c498a651cb486666432ff9c97543822fd5b254c890daa7262063f579b89e09de4c0ca541d0f5a33025660363bdbf840e02a112ca2694d9e62587e39108e54695974d8feb07df31de50ad3776fab9929b998e18d8f9ce7e839a4fd6cc30f0c929226516a1d70a79d"}}) ioctl$TIOCMBIC(r1, 0x5417, &(0x7f0000000240)=0x100) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") prctl$intptr(0x21, 0x4) r2 = fcntl$dupfd(r0, 0x406, r0) ioctl$EVIOCSABS0(r2, 0x401845c0, &(0x7f0000000040)={0x4, 0x4, 0x3, 0x0, 0x405, 0x3}) ioctl$TIOCCONS(r2, 0x541d) setsockopt$inet6_dccp_int(r0, 0x21, 0x3, &(0x7f0000000000)=0x6, 0x4) getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:54 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:54 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 728.449210] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 728.468121] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 728.475843] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 728.483114] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000009 [ 728.490379] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 728.497648] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 728.504910] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 728.534558] 9pnet_virtio: no channels available for device /dev/zero [ 728.546978] 9pnet_virtio: no channels available for device /dev/zero [ 728.593773] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 728.600940] 9pnet_virtio: no channels available for device /dev/zero [ 728.618709] 9pnet_virtio: no channels available for device /dev/zero [ 728.618996] SELinux: failed to load policy [ 728.632496] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 728.643496] syz-executor3 cpuset=syz3 mems_allowed=0 [ 728.648711] CPU: 0 PID: 1903 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 728.655904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 728.665243] Call Trace: [ 728.667838] dump_stack+0x1c4/0x2b4 [ 728.671456] ? dump_stack_print_info.cold.2+0x52/0x52 [ 728.676638] ? kasan_check_read+0x11/0x20 [ 728.680780] warn_alloc.cold.119+0xb7/0x1bd [ 728.685094] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 728.689948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.695505] __vmalloc_node_range+0x472/0x750 [ 728.700034] ? graph_lock+0x170/0x170 [ 728.703849] ? __lock_is_held+0xb5/0x140 [ 728.707937] ? sel_write_load+0x1d1/0x460 [ 728.712081] vmalloc+0x6f/0x80 [ 728.715289] ? sel_write_load+0x1d1/0x460 [ 728.719439] sel_write_load+0x1d1/0x460 [ 728.723432] __vfs_write+0x119/0x9f0 [ 728.727173] ? check_preemption_disabled+0x48/0x200 [ 728.732193] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 728.737150] ? kernel_read+0x120/0x120 [ 728.741030] ? __lock_is_held+0xb5/0x140 [ 728.745101] ? rcu_read_lock_sched_held+0x108/0x120 [ 728.750110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.755819] ? __sb_start_write+0x1b2/0x370 [ 728.760133] vfs_write+0x1fc/0x560 [ 728.763677] ksys_write+0x101/0x260 [ 728.767309] ? __ia32_sys_read+0xb0/0xb0 [ 728.771372] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 728.776810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.782337] ? ksys_ioctl+0x81/0xd0 [ 728.785959] __x64_sys_write+0x73/0xb0 [ 728.789867] do_syscall_64+0x1b9/0x820 [ 728.793784] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 728.799140] ? syscall_return_slowpath+0x5e0/0x5e0 [ 728.804073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.808945] ? trace_hardirqs_on_caller+0x310/0x310 [ 728.813980] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 728.819003] ? prepare_exit_to_usermode+0x291/0x3b0 [ 728.824027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.828880] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 728.834078] RIP: 0033:0x457679 [ 728.837275] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 728.856191] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 728.863916] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 728.871183] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 728.878446] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 728.885719] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 728.892984] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 728.901174] warn_alloc_show_mem: 1 callbacks suppressed [ 728.901179] Mem-Info: [ 728.909002] active_anon:1227324 inactive_anon:370 isolated_anon:0 [ 728.909002] active_file:1575 inactive_file:5044 isolated_file:0 [ 728.909002] unevictable:9387 dirty:284 writeback:0 unstable:0 [ 728.909002] slab_reclaimable:16828 slab_unreclaimable:127589 [ 728.909002] mapped:58201 shmem:385 pagetables:67211 bounce:0 [ 728.909002] free:32423 free_pcp:959 free_cma:0 [ 728.943237] Node 0 active_anon:4909296kB inactive_anon:1480kB active_file:6300kB inactive_file:20176kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232804kB dirty:1136kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 728.972379] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 728.998708] lowmem_reserve[]: 0 2817 6321 6321 [ 729.003431] Node 0 DMA32 free:67152kB min:30048kB low:37560kB high:45072kB active_anon:2610436kB inactive_anon:8kB active_file:224kB inactive_file:248kB unevictable:0kB writepending:404kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:41568kB pagetables:42376kB bounce:0kB free_pcp:1332kB local_pcp:164kB free_cma:0kB [ 729.032891] lowmem_reserve[]: 0 0 3503 3503 [ 729.037256] Node 0 Normal free:46656kB min:37364kB low:46704kB high:56044kB active_anon:2298820kB inactive_anon:1468kB active_file:6076kB inactive_file:19928kB unevictable:37548kB writepending:732kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:98208kB pagetables:226388kB bounce:0kB free_pcp:2500kB local_pcp:1496kB free_cma:0kB [ 729.068593] lowmem_reserve[]: 0 0 0 0 [ 729.072552] 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 [ 729.086365] Node 0 DMA32: 290*4kB (UE) 66*8kB (UME) 473*16kB (UME) 542*32kB (UME) 154*64kB (UME) 52*128kB (UME) 32*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 67176kB [ 729.103138] Node 0 Normal: 1472*4kB (UME) 2038*8kB (UME) 1085*16kB (UME) 222*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46656kB [ 729.117373] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 729.126264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 729.134992] 11884 total pagecache pages [ 729.138990] 0 pages in swap cache [ 729.142523] Swap cache stats: add 0, delete 0, find 0/0 [ 729.147902] Free swap = 0kB [ 729.150982] Total swap = 0kB [ 729.154014] 1965979 pages RAM [ 729.157123] 0 pages HighMem/MovableOnly [ 729.161182] 342745 pages reserved [ 729.164645] 0 pages cma reserved [ 729.168344] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 729.178345] SELinux: failed to load policy [ 729.183793] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) 01:51:55 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:55 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(r0, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000140)={{{@in6=@local, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}}}, &(0x7f0000000240)=0xe8) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='9p\x00', 0x2020000, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r0}, 0x2c, {[{@access_uid={'access', 0x3d, r1}}, {@aname={'aname', 0x3d, 'systemsecurity'}}, {@cache_fscache='cache=fscache'}]}}) getsockopt$bt_BT_SNDMTU(r0, 0x112, 0xc, &(0x7f0000000300)=0xfff, &(0x7f0000000340)=0x2) openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) 01:51:55 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x2, &(0x7f0000000200)=':\x00', 0xffffffffffffffff}, 0x30) getpgrp(r1) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$KVM_SET_FPU(r2, 0x41a0ae8d, &(0x7f0000000040)={[], 0x101, 0x7, 0x2400, 0x0, 0x5, 0x0, 0x10f000, [], 0xfffffffffffff842}) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:55 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000440)=ANY=[@ANYBLOB="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"], 0xd6) r1 = syz_open_dev$vcsn(&(0x7f0000000100)='/dev/vcs#\x00', 0x3ff, 0x32400) ioctl$EVIOCGEFFECTS(r1, 0x80044584, &(0x7f00000001c0)=""/177) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) sendmsg$nl_netfilter(r1, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)=ANY=[@ANYBLOB="400000000c0d000021bd7000fedbdf2503ff0006080001005d5d2800b08270473ecd60c06d0c43ad4ab676a5d439395e3dd067b22be182000000000000000000"], 0x40}, 0x1, 0x0, 0x0, 0x24000000}, 0x4000) lseek(r0, 0x0, 0xfffffffffffffffc) ioctl$TUNSETOFFLOAD(r1, 0x400454d0, 0x2) ioctl$SG_GET_COMMAND_Q(r1, 0x2270, &(0x7f0000000140)) 01:51:55 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)="2f6465762f7a65726ff6", &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 729.194180] syz-executor3 cpuset=syz3 mems_allowed=0 [ 729.222989] CPU: 1 PID: 1918 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 729.230214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 729.239584] Call Trace: [ 729.242192] dump_stack+0x1c4/0x2b4 [ 729.245852] ? dump_stack_print_info.cold.2+0x52/0x52 [ 729.251076] ? kasan_check_read+0x11/0x20 [ 729.255255] warn_alloc.cold.119+0xb7/0x1bd [ 729.259604] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 729.264480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.270093] __vmalloc_node_range+0x472/0x750 [ 729.274616] ? graph_lock+0x170/0x170 [ 729.278431] ? __lock_is_held+0xb5/0x140 [ 729.282525] ? sel_write_load+0x1d1/0x460 [ 729.284997] 9pnet_virtio: no channels available for device /dev/zeroö [ 729.286697] vmalloc+0x6f/0x80 [ 729.286718] ? sel_write_load+0x1d1/0x460 [ 729.286735] sel_write_load+0x1d1/0x460 [ 729.286761] __vfs_write+0x119/0x9f0 [ 729.298971] 9pnet_virtio: no channels available for device /dev/zeroö [ 729.300704] ? check_preemption_disabled+0x48/0x200 01:51:55 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 729.300722] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 729.300743] ? kernel_read+0x120/0x120 [ 729.300769] ? __lock_is_held+0xb5/0x140 [ 729.300798] ? rcu_read_lock_sched_held+0x108/0x120 [ 729.300817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.300833] ? __sb_start_write+0x1b2/0x370 [ 729.300856] vfs_write+0x1fc/0x560 [ 729.320683] 9pnet_virtio: no channels available for device /dev/zero [ 729.325073] ksys_write+0x101/0x260 [ 729.325104] ? __ia32_sys_read+0xb0/0xb0 [ 729.335329] 9pnet_virtio: no channels available for device /dev/zero 01:51:55 executing program 4: socket$inet6(0xa, 0x401000000000002, 0x0) getrandom(&(0x7f0000000200), 0x0, 0x2) [ 729.338070] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 729.338089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 729.338114] __x64_sys_write+0x73/0xb0 [ 729.387012] do_syscall_64+0x1b9/0x820 [ 729.390917] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 729.396300] ? syscall_return_slowpath+0x5e0/0x5e0 [ 729.401249] ? trace_hardirqs_on_caller+0x310/0x310 [ 729.406289] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 729.411329] ? recalc_sigpending_tsk+0x180/0x180 [ 729.416136] ? kasan_check_write+0x14/0x20 01:51:55 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) recvmmsg(r0, &(0x7f0000004640)=[{{&(0x7f0000000000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}}}, 0x80, &(0x7f0000000380)=[{&(0x7f0000000080)=""/30, 0x1e}, {&(0x7f00000000c0)=""/13, 0xd}, {&(0x7f0000000100)=""/196, 0xc4}, {&(0x7f0000000200)=""/119, 0x77}, {&(0x7f00000002c0)=""/111, 0x6f}, {&(0x7f0000000340)=""/25, 0x19}], 0x6, &(0x7f0000000400)=""/67, 0x43, 0x9}}, {{&(0x7f0000000480), 0x80, &(0x7f0000000840)=[{&(0x7f0000000500)=""/167, 0xa7}, {&(0x7f00000005c0)=""/143, 0x8f}, {&(0x7f0000000680)=""/128, 0x80}, {&(0x7f0000000700)=""/59, 0x3b}, {&(0x7f0000000740)=""/253, 0xfd}], 0x5, &(0x7f00000008c0)=""/142, 0x8e, 0x3}, 0x8e94}, {{&(0x7f0000000980)=@nfc, 0x80, &(0x7f0000002cc0)=[{&(0x7f0000000a00)=""/4096, 0x1000}, {&(0x7f0000001a00)=""/116, 0x74}, {&(0x7f0000001a80)=""/169, 0xa9}, {&(0x7f0000001b40)=""/4096, 0x1000}, {&(0x7f0000002b40)=""/152, 0x98}, {&(0x7f0000002c00)=""/137, 0x89}], 0x6, &(0x7f0000002d40)=""/97, 0x61, 0xae}, 0x800}, {{&(0x7f0000002dc0)=@sco, 0x80, &(0x7f0000002ec0)=[{&(0x7f0000002e40)=""/89, 0x59}], 0x1, &(0x7f0000002f00)=""/21, 0x15, 0x7}, 0xffffffffffffc7b0}, {{&(0x7f0000002f40)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast1}}}, 0x80, &(0x7f00000031c0)=[{&(0x7f0000002fc0)=""/192, 0xc0}, {&(0x7f0000003080)=""/2, 0x2}, {&(0x7f00000030c0)=""/211, 0xd3}], 0x3, &(0x7f0000003200)=""/60, 0x3c, 0x6}, 0x3}, {{0x0, 0x0, &(0x7f0000004580)=[{&(0x7f0000003240)=""/4096, 0x1000}, {&(0x7f0000004240)=""/19, 0x13}, {&(0x7f0000004280)=""/93, 0x5d}, {&(0x7f0000004300)=""/65, 0x41}, {&(0x7f0000004380)=""/230, 0xe6}, {&(0x7f0000004480)=""/213, 0xd5}], 0x6, &(0x7f0000004600)=""/4, 0x4, 0xe977}, 0x20}], 0x6, 0x0, &(0x7f00000047c0)={0x0, 0x1c9c380}) [ 729.420395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 729.425264] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 729.430467] RIP: 0033:0x457679 [ 729.433686] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 729.452597] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 729.460328] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 729.467608] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 729.474890] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 729.478194] 9pnet_virtio: no channels available for device /dev/zero [ 729.482168] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 729.482179] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 729.501469] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:51:55 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) write$selinux_load(r0, &(0x7f0000000080)=ANY=[@ANYRESHEX=0x0], 0x12) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) ioctl$UI_DEV_SETUP(r1, 0x405c5503, &(0x7f0000000100)={{0x6, 0x9, 0x26e, 0x6}, 'syz1\x00', 0x49}) lseek(r0, 0x0, 0x100000000000000) 01:51:55 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:55 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='nep/iRp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:51:55 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 729.535137] 9pnet_virtio: no channels available for device /dev/zero [ 729.538356] SELinux: failed to load policy 01:51:55 executing program 0: fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000040)={0x0, 0x0}) r1 = syz_open_procfs(r0, &(0x7f00000001c0)="e4ba98b00da20093be1a57e70b8b234635d08d628a376188f65c5209642e08b987f07f0dc819979a65b1a633b34666000000000000000000000000000000002a9e91b1644689e71861aa9d405217365ec327c32e0543c2a900a4b0bd3d0336d6b766ec3b4021c30ffc4cdfe69dbf5144052db42bc9dc7f79503fc03340e1fb55182d3cb579e5ddca682c624575c7827a6e3fe1a9b276e9ac25911d83d452b7b4dce3d45ccfb18c9d8c3c3c6ce4f7c2e3e1ef38c90a683dcedd5297881da425540877b1199f8f38df059eaa4ddb4868935e30a450addd75225126a376181c19") sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) r2 = request_key(&(0x7f0000000000)='syzkaller\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f00000002c0)="e4ba98b00da20093be1a57e70b8b234635d08d628a376188f65c5209642e08b987f07f0dc819979a65b1a633b34666000000000000000000000000000000002a9e91b1644689e71861aa9d405217365ec327c32e0543c2a900a4b0bd3d0336d6b766ec3b4021c30ffc4cdfe69dbf5144052db42bc9dc7f79503fc03340e1fb55182d3cb579e5ddca682c624575c7827a6e3fe1a9b276e9ac25911d83d452b7b4dce3d45ccfb18c9d8c3c3c6ce4f7c2e3e1ef38c90a683dcedd5297881da425540877b1199f8f38df059eaa4ddb4868935e30a450addd75225126a376181c19", 0xfffffffffffffffb) keyctl$unlink(0x9, r2, r2) keyctl$update(0x2, r2, &(0x7f0000000140)="7140863dbbb6cce2a0233c2f4e470e9fcd7db2a349800604d62920b04c69d6956307b42d4b07d16d2ac161bf0a1717111ae0129e90cce43e2eb94b97b2f15169370d77505cd48c2ee53338bafdd0ce1702771e1cdc386bf23431", 0x5a) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:51:55 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="397004", 0x0, &(0x7f0000000380)=ANY=[]) [ 729.603731] 9pnet_virtio: no channels available for device /dev/zero [ 729.621535] 9pnet_virtio: no channels available for device /dev/zero 01:51:55 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 729.661902] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 729.721481] SELinux: policydb magic number 0x30307830 does not match expected magic number 0xf97cff8c [ 729.734406] SELinux: policydb magic number 0x30307830 does not match expected magic number 0xf97cff8c 01:51:55 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000001c0)) lseek(r0, 0x0, 0x0) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey\x00', 0x161000, 0x0) 01:51:55 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000000)={0x0, 0x7}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r0, 0x84, 0x79, &(0x7f0000000100)={r1, 0x6, 0x5}, 0x8) 01:51:55 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) ioctl$TIOCGSOFTCAR(r1, 0x5419, &(0x7f0000000000)) setsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000080)=0x8, 0x4) 01:51:55 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 729.771900] 9pnet_virtio: no channels available for device /dev/zero [ 729.784875] 9pnet_virtio: no channels available for device /dev/zero [ 729.820341] 9pnet_virtio: no channels available for device /dev/zero [ 729.828838] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 729.858864] 9pnet_virtio: no channels available for device /dev/zero [ 729.884955] syz-executor3 cpuset=syz3 mems_allowed=0 [ 729.909169] 9pnet_virtio: no channels available for device /dev/zero [ 729.920432] 9pnet_virtio: no channels available for device /dev/zero [ 729.920533] CPU: 1 PID: 1991 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 729.934165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 729.943548] Call Trace: [ 729.946159] dump_stack+0x1c4/0x2b4 [ 729.949814] ? dump_stack_print_info.cold.2+0x52/0x52 [ 729.955025] ? kasan_check_read+0x11/0x20 [ 729.959217] warn_alloc.cold.119+0xb7/0x1bd [ 729.963563] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 729.968446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 729.974009] __vmalloc_node_range+0x472/0x750 [ 729.978588] ? graph_lock+0x170/0x170 [ 729.982384] ? __lock_is_held+0xb5/0x140 [ 729.986450] ? sel_write_load+0x1d1/0x460 [ 729.990620] vmalloc+0x6f/0x80 [ 729.993808] ? sel_write_load+0x1d1/0x460 [ 729.997946] sel_write_load+0x1d1/0x460 [ 730.001938] __vfs_write+0x119/0x9f0 [ 730.005677] ? check_preemption_disabled+0x48/0x200 [ 730.010700] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 730.015636] ? kernel_read+0x120/0x120 [ 730.019544] ? __lock_is_held+0xb5/0x140 [ 730.023618] ? rcu_read_lock_sched_held+0x108/0x120 [ 730.028652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.034202] ? __sb_start_write+0x1b2/0x370 [ 730.038553] vfs_write+0x1fc/0x560 [ 730.042108] ksys_write+0x101/0x260 [ 730.045742] ? __ia32_sys_read+0xb0/0xb0 [ 730.049825] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 730.055303] __x64_sys_write+0x73/0xb0 [ 730.059202] do_syscall_64+0x1b9/0x820 [ 730.063096] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 730.068472] ? syscall_return_slowpath+0x5e0/0x5e0 [ 730.073395] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.078405] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 730.083433] ? recalc_sigpending_tsk+0x180/0x180 [ 730.088207] ? kasan_check_write+0x14/0x20 [ 730.092468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.097357] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 730.102565] RIP: 0033:0x457679 [ 730.105785] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 730.124724] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 730.132427] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 730.139689] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 730.146968] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 730.154261] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 730.161537] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 730.176982] warn_alloc_show_mem: 1 callbacks suppressed [ 730.176987] Mem-Info: [ 730.185442] active_anon:1227796 inactive_anon:369 isolated_anon:0 [ 730.185442] active_file:1593 inactive_file:5037 isolated_file:0 [ 730.185442] unevictable:9387 dirty:295 writeback:0 unstable:0 [ 730.185442] slab_reclaimable:16805 slab_unreclaimable:128179 [ 730.185442] mapped:58243 shmem:385 pagetables:67486 bounce:0 [ 730.185442] free:30880 free_pcp:945 free_cma:0 [ 730.220405] Node 0 active_anon:4911184kB inactive_anon:1476kB active_file:6372kB inactive_file:20148kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232972kB dirty:1180kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 730.249798] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 730.276836] lowmem_reserve[]: 0 2817 6321 6321 [ 730.281883] Node 0 DMA32 free:60800kB min:30048kB low:37560kB high:45072kB active_anon:2611700kB inactive_anon:8kB active_file:224kB inactive_file:292kB unevictable:0kB writepending:448kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:41984kB pagetables:43240kB bounce:0kB free_pcp:1496kB local_pcp:532kB free_cma:0kB 01:51:56 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000000), 0x0, 0x2) 01:51:56 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:56 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='%p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:56 executing program 0: r0 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x1f, 0x100) r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$EXT4_IOC_ALLOC_DA_BLKS(r1, 0x660c) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f0000000040)={r1}) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000140)={0x0, 0xfffffffffffffffb, 0x10}, &(0x7f0000000180)=0xc) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f00000001c0)={0x7, 0x3, 0x0, 0x7, 0x9, 0x1, 0x4, 0x9, r3}, &(0x7f0000000200)=0x20) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000240)={r4, @in6={{0xa, 0x4e23, 0x6, @remote, 0x200}}, 0xe23e, 0xff, 0x19a, 0x0, 0x1}, 0x98) r5 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) write$USERIO_CMD_REGISTER(r5, &(0x7f0000000300)={0x0, 0x8}, 0x2) socket$pppoe(0x18, 0x1, 0x0) preadv(r5, &(0x7f00000017c0), 0xee7fcdc4b653c7f, 0x400000000000) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000100)={0x3, 0x9, 0x1, 0x5f2, 0x7, 0x2, 0x9614, 0x7, 0xa0, 0x401, 0x7f, 0x241}) [ 730.312533] lowmem_reserve[]: 0 0 3503 3503 [ 730.316915] Node 0 Normal free:46708kB min:37364kB low:46704kB high:56044kB active_anon:2299584kB inactive_anon:1468kB active_file:6148kB inactive_file:19856kB unevictable:37548kB writepending:732kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:98496kB pagetables:226704kB bounce:0kB free_pcp:2368kB local_pcp:1160kB free_cma:0kB [ 730.351010] lowmem_reserve[]: 0 0 0 0 01:51:56 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 730.355444] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 730.372314] 9pnet_virtio: no channels available for device /dev/zero [ 730.379326] Node 0 DMA32: 290*4kB (UE) 64*8kB (E) 113*16kB (UME) 497*32kB (UME) 154*64kB (UME) 52*128kB (UME) 32*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 59960kB [ 730.398571] 9pnet_virtio: no channels available for device /dev/zero 01:51:56 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE(r0, 0x80045530, &(0x7f0000000100)=""/143) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 730.405361] Node 0 Normal: 1622*4kB (UE) 1946*8kB (UME) 1080*16kB (UME) 220*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46376kB [ 730.420038] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 730.440683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 01:51:56 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) getsockopt$sock_timeval(r0, 0x1, 0x12, &(0x7f00000002c0), &(0x7f0000000140)=0x10) getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x14, &(0x7f0000000080)=@assoc_value={0x0}, &(0x7f00000000c0)=0x8) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) setsockopt$EBT_SO_SET_COUNTERS(r2, 0x0, 0x81, &(0x7f00000001c0)={'filter\x00', 0x0, 0x0, 0x0, [], 0x2, &(0x7f0000000040)=[{}, {}], 0x0, [{}, {}]}, 0x98) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000100)={r1, 0x3f}, 0x8) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r3 = accept4$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @local}, &(0x7f0000000300)=0x1c, 0x80800) r4 = syz_open_dev$sndpcmp(&(0x7f0000000380)='/dev/snd/pcmC#D#p\x00', 0x10000, 0x101000) setsockopt$netlink_NETLINK_TX_RING(r4, 0x10e, 0x7, &(0x7f00000003c0)={0x3, 0x3, 0x6, 0x9}, 0x10) setsockopt$inet_sctp6_SCTP_AUTOCLOSE(r3, 0x84, 0x4, &(0x7f0000000340), 0x4) 01:51:56 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="397006", 0x0, &(0x7f0000000380)=ANY=[]) [ 730.485894] 9pnet_virtio: no channels available for device /dev/zero [ 730.496389] 9pnet_virtio: no channels available for device /dev/zero [ 730.498179] 11885 total pagecache pages [ 730.526914] 0 pages in swap cache [ 730.539104] Swap cache stats: add 0, delete 0, find 0/0 [ 730.550326] Free swap = 0kB [ 730.557399] Total swap = 0kB [ 730.561825] 1965979 pages RAM [ 730.568027] 0 pages HighMem/MovableOnly [ 730.576548] 342745 pages reserved [ 730.587755] 0 pages cma reserved [ 730.673996] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 730.686907] sel_write_load: 3 callbacks suppressed [ 730.686913] SELinux: failed to load policy [ 730.701243] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 730.711913] syz-executor3 cpuset=syz3 mems_allowed=0 [ 730.717104] CPU: 0 PID: 2002 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 730.724309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 730.733673] Call Trace: [ 730.736274] dump_stack+0x1c4/0x2b4 [ 730.739955] ? dump_stack_print_info.cold.2+0x52/0x52 [ 730.745148] ? kasan_check_read+0x11/0x20 [ 730.749307] warn_alloc.cold.119+0xb7/0x1bd [ 730.753637] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 730.758619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.764204] __vmalloc_node_range+0x472/0x750 [ 730.768699] ? graph_lock+0x170/0x170 [ 730.772521] ? __lock_is_held+0xb5/0x140 [ 730.776583] ? sel_write_load+0x1d1/0x460 [ 730.780724] vmalloc+0x6f/0x80 [ 730.783927] ? sel_write_load+0x1d1/0x460 [ 730.788091] sel_write_load+0x1d1/0x460 [ 730.792087] __vfs_write+0x119/0x9f0 [ 730.795842] ? check_preemption_disabled+0x48/0x200 [ 730.800863] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 730.805798] ? kernel_read+0x120/0x120 [ 730.809679] ? __lock_is_held+0xb5/0x140 [ 730.813739] ? rcu_read_lock_sched_held+0x108/0x120 [ 730.818756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 730.824308] ? __sb_start_write+0x1b2/0x370 [ 730.828641] vfs_write+0x1fc/0x560 [ 730.832185] ksys_write+0x101/0x260 [ 730.835804] ? __ia32_sys_read+0xb0/0xb0 [ 730.839854] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 730.845392] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 730.850850] __x64_sys_write+0x73/0xb0 [ 730.854759] do_syscall_64+0x1b9/0x820 [ 730.858650] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 730.864030] ? syscall_return_slowpath+0x5e0/0x5e0 [ 730.868962] ? trace_hardirqs_on_caller+0x310/0x310 [ 730.873970] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 730.878990] ? recalc_sigpending_tsk+0x180/0x180 [ 730.883756] ? kasan_check_write+0x14/0x20 [ 730.888020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 730.892867] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 730.898055] RIP: 0033:0x457679 [ 730.901253] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 730.920180] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 730.927878] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 730.935157] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 730.942427] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 730.949692] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 730.956961] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 730.965211] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:51:56 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) getrandom(&(0x7f0000000200), 0x0, 0x2) ioctl$sock_SIOCGSKNS(r0, 0x894c, &(0x7f0000000000)=0x10001) 01:51:56 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:56 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x2e, &(0x7f0000000280)=ANY=[@ANYBLOB="96c1a37bfe4922b0af5666285cd92ddf33e55dad1b0599ab3c23dd777a7f09cf469e601125af0463e37797a94ff421195018ff72229b695255e2ee2de3a75133de80895f96ec96cd4fd20adbd932ea8d0aa04b6eea884dc7d2924b472e385b948f48e23438b17b4cf4536946be23d4ff41f6e1ba9d7a08588ff1a8cfd8072431bf202b8cc77f072c0d2ad60da960ff3ca0987053d42fb87f2308de", @ANYRES32=r0, @ANYRESDEC, @ANYPTR64=&(0x7f0000000240)=ANY=[@ANYRES16=r0, @ANYPTR, @ANYPTR64=&(0x7f0000000100)=ANY=[@ANYRES64=r0, @ANYRESOCT, @ANYRESHEX=r0, @ANYRES64=0x0, @ANYRESDEC=r0, @ANYRES32=r0], @ANYPTR=&(0x7f0000000180)=ANY=[@ANYBLOB="6e0324048f600ecfb3109f9d43e94ae75880eed053f510cf6d279e0eaa28d788984a6ae164ade00b36dcc0e12aad021c8ae2dd533fbeb211e17121141f3c1759fe5ba68eda01fb2d5a868c58e16a73136899275c0242145c7786da", @ANYRES64=r0, @ANYPTR, @ANYRESHEX=0x0, @ANYRES64=r0, @ANYRES16=r0, @ANYPTR], @ANYRES16=r0], @ANYRES16]}, 0x80000000) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:51:56 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='Hp\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:56 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f00000001c0)=ANY=[@ANYBLOB="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"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:51:56 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x4000, 0x0) inotify_add_watch(r1, &(0x7f0000000080)='./file0\x00', 0x1000000) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$FS_IOC_GETFSLABEL(r2, 0x81009431, &(0x7f00000001c0)) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) timerfd_create(0x7, 0x800) lseek(r0, 0x0, 0x100000000000000) [ 730.977964] SELinux: failed to load policy 01:51:57 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p,', 0x0, &(0x7f0000000380)=ANY=[]) [ 731.011715] 9pnet_virtio: no channels available for device /dev/zero [ 731.023287] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 731.036442] 9pnet_virtio: no channels available for device /dev/zero [ 731.036630] syz-executor3 cpuset=syz3 mems_allowed=0 [ 731.051391] CPU: 1 PID: 2063 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 731.058600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 731.067976] Call Trace: [ 731.070577] dump_stack+0x1c4/0x2b4 [ 731.074219] ? dump_stack_print_info.cold.2+0x52/0x52 [ 731.079428] ? kasan_check_read+0x11/0x20 [ 731.083626] warn_alloc.cold.119+0xb7/0x1bd [ 731.087972] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 731.092834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.092896] __vmalloc_node_range+0x472/0x750 [ 731.102949] ? graph_lock+0x170/0x170 [ 731.106785] ? __lock_is_held+0xb5/0x140 [ 731.110874] ? sel_write_load+0x1d1/0x460 [ 731.115051] vmalloc+0x6f/0x80 [ 731.118266] ? sel_write_load+0x1d1/0x460 [ 731.122607] sel_write_load+0x1d1/0x460 [ 731.126602] __vfs_write+0x119/0x9f0 [ 731.130332] ? check_preemption_disabled+0x48/0x200 [ 731.135365] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 731.140314] ? kernel_read+0x120/0x120 [ 731.144237] ? __lock_is_held+0xb5/0x140 [ 731.148329] ? rcu_read_lock_sched_held+0x108/0x120 [ 731.153363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.158928] ? __sb_start_write+0x1b2/0x370 [ 731.163292] vfs_write+0x1fc/0x560 [ 731.166877] ksys_write+0x101/0x260 [ 731.170547] ? __ia32_sys_read+0xb0/0xb0 [ 731.174630] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 731.180109] __x64_sys_write+0x73/0xb0 [ 731.184020] do_syscall_64+0x1b9/0x820 [ 731.187935] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 731.193327] ? syscall_return_slowpath+0x5e0/0x5e0 [ 731.198276] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.203312] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 731.208345] ? recalc_sigpending_tsk+0x180/0x180 [ 731.213114] ? kasan_check_write+0x14/0x20 [ 731.217369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 731.222252] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 731.227450] RIP: 0033:0x457679 [ 731.230657] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 731.249589] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 01:51:57 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='\np\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:57 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:57 executing program 4: r0 = socket$inet6(0xa, 0x3, 0xa) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) [ 731.257313] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 731.264610] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 731.271889] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 731.279166] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 731.286449] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:51:57 executing program 0: r0 = memfd_create(&(0x7f0000000000)='net/arp\x00', 0x7) ioctl$TCFLSH(r0, 0x540b, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:51:57 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 731.343106] 9pnet_virtio: no channels available for device /dev/zero [ 731.364764] 9pnet_virtio: no channels available for device /dev/zero [ 731.386494] warn_alloc_show_mem: 1 callbacks suppressed [ 731.386499] Mem-Info: [ 731.410421] active_anon:1228154 inactive_anon:368 isolated_anon:0 [ 731.410421] active_file:1608 inactive_file:5050 isolated_file:0 [ 731.410421] unevictable:9387 dirty:309 writeback:0 unstable:0 [ 731.410421] slab_reclaimable:16773 slab_unreclaimable:129083 [ 731.410421] mapped:58201 shmem:385 pagetables:67804 bounce:0 01:51:57 executing program 4: clock_getres(0x1, &(0x7f0000000000)) r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000040), 0x0, 0xa) [ 731.410421] free:29014 free_pcp:930 free_cma:0 [ 731.448360] Node 0 active_anon:4912716kB inactive_anon:1472kB active_file:6432kB inactive_file:20200kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:232804kB dirty:1236kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 731.465335] 9pnet_virtio: no channels available for device /dev/zero 01:51:57 executing program 0: r0 = getpgrp(0x0) r1 = getpgrp(r0) r2 = syz_open_procfs(r1, &(0x7f0000000000)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r2, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:51:57 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="3970ff", 0x0, &(0x7f0000000380)=ANY=[]) [ 731.482577] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 731.514379] 9pnet_virtio: no channels available for device /dev/zero [ 731.521460] lowmem_reserve[]: 0 2817 6321 6321 01:51:57 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) [ 731.526287] Node 0 DMA32 free:53612kB min:30048kB low:37560kB high:45072kB active_anon:2612940kB inactive_anon:4kB active_file:260kB inactive_file:328kB unevictable:0kB writepending:484kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:42560kB pagetables:43916kB bounce:0kB free_pcp:1628kB local_pcp:912kB free_cma:0kB [ 731.556104] lowmem_reserve[]: 0 0 3503 3503 [ 731.560861] Node 0 Normal free:46512kB min:37364kB low:46704kB high:56044kB active_anon:2299776kB inactive_anon:1468kB active_file:6172kB inactive_file:19872kB unevictable:37548kB writepending:752kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:98464kB pagetables:227004kB bounce:0kB free_pcp:2684kB local_pcp:1464kB free_cma:0kB [ 731.613560] lowmem_reserve[]: 0 0 0 0 [ 731.617586] 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 [ 731.642923] Node 0 DMA32: 227*4kB (ME) 65*8kB (UE) 21*16kB (UME) 306*32kB (UME) 154*64kB (UME) 52*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 52388kB [ 731.671378] 9pnet_virtio: no channels available for device /dev/zero [ 731.682159] Node 0 Normal: 1769*4kB (UME) 1930*8kB (UME) 1070*16kB (UME) 222*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46740kB [ 731.697011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 731.708153] 9pnet_virtio: no channels available for device /dev/zero [ 731.715529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 731.726609] 11737 total pagecache pages [ 731.731056] 0 pages in swap cache [ 731.734948] Swap cache stats: add 0, delete 0, find 0/0 [ 731.740822] Free swap = 0kB [ 731.744233] Total swap = 0kB [ 731.747656] 1965979 pages RAM [ 731.751233] 0 pages HighMem/MovableOnly [ 731.755673] 342745 pages reserved [ 731.759720] 0 pages cma reserved [ 731.794087] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 731.807081] SELinux: failed to load policy [ 731.813707] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 731.831593] syz-executor3 cpuset=syz3 mems_allowed=0 [ 731.838661] CPU: 0 PID: 2128 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 731.845871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 731.855267] Call Trace: [ 731.857879] dump_stack+0x1c4/0x2b4 [ 731.861546] ? dump_stack_print_info.cold.2+0x52/0x52 [ 731.866768] ? kasan_check_read+0x11/0x20 [ 731.870939] warn_alloc.cold.119+0xb7/0x1bd [ 731.875277] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 731.880146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.885722] __vmalloc_node_range+0x472/0x750 [ 731.890230] ? graph_lock+0x170/0x170 [ 731.894043] ? __lock_is_held+0xb5/0x140 [ 731.898117] ? sel_write_load+0x1d1/0x460 [ 731.902276] vmalloc+0x6f/0x80 [ 731.905490] ? sel_write_load+0x1d1/0x460 [ 731.909673] sel_write_load+0x1d1/0x460 [ 731.913674] __vfs_write+0x119/0x9f0 [ 731.917408] ? check_preemption_disabled+0x48/0x200 [ 731.922441] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 731.927389] ? kernel_read+0x120/0x120 [ 731.931308] ? __lock_is_held+0xb5/0x140 [ 731.935404] ? rcu_read_lock_sched_held+0x108/0x120 [ 731.940441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.945994] ? __sb_start_write+0x1b2/0x370 [ 731.950353] vfs_write+0x1fc/0x560 [ 731.953932] ksys_write+0x101/0x260 [ 731.957612] ? __ia32_sys_read+0xb0/0xb0 [ 731.961696] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 731.967173] ? ksys_ioctl+0x81/0xd0 [ 731.970856] __x64_sys_write+0x73/0xb0 [ 731.974766] do_syscall_64+0x1b9/0x820 [ 731.978682] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 731.984072] ? syscall_return_slowpath+0x5e0/0x5e0 [ 731.989024] ? trace_hardirqs_on_caller+0x310/0x310 [ 731.994042] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 731.999074] ? recalc_sigpending_tsk+0x180/0x180 [ 732.003847] ? kasan_check_write+0x14/0x20 [ 732.008095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 732.012958] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 732.018151] RIP: 0033:0x457679 [ 732.021351] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 732.040256] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 732.047970] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 732.055243] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 732.062525] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 732.069800] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 732.077070] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 732.100129] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 732.110776] SELinux: failed to load policy 01:51:58 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:58 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) pwritev(r0, &(0x7f00000001c0)=[{&(0x7f0000000100)="a4c4bffb067a651dd294f134eacbe335e647893ee89d5b43302002c6953bc6385380fe14718507605983624124163ffe4afc6912711c7a40988ee07b9891c6b04784fb32114c4e6954c62f59b53882debb9fed2cce5ec503b28fee5c8720acf5e806108d6fb744fb920cf9e666e367c89097e4c9331843c915b4c521d51822566a4f830876990466b9a6e940404a8deba2a064f81fa6c575cb0b30ef891eaa7b208948bcfaea55c2cd", 0xa9}], 0x1, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") symlink(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='./file0\x00') r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) write$P9_RSYMLINK(r1, &(0x7f0000000040)={0x14, 0x11, 0x1, {0x0, 0x2}}, 0x14) getrandom(&(0x7f0000000200), 0x0, 0x2) 01:51:58 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9\n\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:58 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) 01:51:58 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') readv(r0, &(0x7f0000000480)=[{&(0x7f0000000100)=""/208, 0xd0}, {&(0x7f0000000a00)=""/4096, 0x1000}, {&(0x7f0000000200)=""/138, 0x8a}, {&(0x7f0000000000)=""/101, 0x65}, {&(0x7f00000002c0)=""/247, 0xf7}, {&(0x7f00000003c0)=""/184, 0xb8}], 0x6) sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) ioctl$SG_GET_LOW_DMA(r0, 0x227a, &(0x7f0000000500)) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 732.409123] 9pnet_virtio: no channels available for device /dev/zero 01:51:58 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fremovexattr(r0, &(0x7f0000000100)=@random={'btrfs.', '/selinux/load\x00'}) clone(0x4000, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) r1 = syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0x7c00, 0x202002) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/mls\x00', 0x0, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000200)={r1, r2, 0x3, 0x1}, 0x10) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r3 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) fcntl$setsig(r1, 0xa, 0x36) 01:51:58 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f00000001c0)={{{@in=@dev, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in=@rand_addr}}, &(0x7f0000000100)=0xe8) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000300)={{{@in=@multicast1, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@local}}, &(0x7f0000000140)=0xe8) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000400)={0x0, 0x0}, &(0x7f0000000440)=0xc) setresuid(r2, r3, r4) lseek(r0, 0xfffffffffffffffe, 0x100000000000000) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0206434, &(0x7f0000000000)={0x3, 0x0, 0x1, 0x100}) ioctl$DRM_IOCTL_SG_ALLOC(r1, 0xc0106438, &(0x7f0000000080)={0xfffffffffffffffa, r5}) 01:51:58 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f00000000c0), 0x0, 0x2) ioctl$FICLONERANGE(r0, 0x4020940d, &(0x7f0000000000)={r0, 0x0, 0x5, 0x0, 0x2}) r1 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x80000000, 0x8100) ioctl$UI_END_FF_ERASE(r1, 0x400c55cb, &(0x7f0000000080)={0x8, 0x6, 0xfff}) [ 732.460334] 9pnet_virtio: no channels available for device /dev/zero 01:51:58 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0xc0ed0000, &(0x7f0000000380)=ANY=[]) [ 732.511033] 9pnet_virtio: no channels available for device /dev/zero [ 732.520486] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) 01:51:58 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) ioctl$SG_SET_FORCE_PACK_ID(r0, 0x227b, &(0x7f0000000040)=0x1) [ 732.566183] syz-executor3 cpuset=syz3 mems_allowed=0 [ 732.591218] CPU: 1 PID: 2162 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 732.598458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 732.607820] Call Trace: [ 732.610442] dump_stack+0x1c4/0x2b4 [ 732.614100] ? dump_stack_print_info.cold.2+0x52/0x52 [ 732.619325] ? kasan_check_read+0x11/0x20 [ 732.623507] warn_alloc.cold.119+0xb7/0x1bd [ 732.627870] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 732.632730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.638314] __vmalloc_node_range+0x472/0x750 [ 732.642837] ? graph_lock+0x170/0x170 [ 732.644191] 9pnet_virtio: no channels available for device /dev/zero [ 732.646651] ? __lock_is_held+0xb5/0x140 [ 732.646673] ? sel_write_load+0x1d1/0x460 [ 732.646693] vmalloc+0x6f/0x80 [ 732.646713] ? sel_write_load+0x1d1/0x460 [ 732.668740] sel_write_load+0x1d1/0x460 [ 732.672745] __vfs_write+0x119/0x9f0 [ 732.676476] ? check_preemption_disabled+0x48/0x200 [ 732.681524] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 732.686476] ? kernel_read+0x120/0x120 [ 732.690407] ? __lock_is_held+0xb5/0x140 [ 732.694495] ? rcu_read_lock_sched_held+0x108/0x120 [ 732.699550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 732.705114] ? __sb_start_write+0x1b2/0x370 [ 732.709465] vfs_write+0x1fc/0x560 [ 732.713029] ksys_write+0x101/0x260 [ 732.716685] ? __ia32_sys_read+0xb0/0xb0 [ 732.720780] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 732.726270] __x64_sys_write+0x73/0xb0 [ 732.730185] do_syscall_64+0x1b9/0x820 [ 732.734091] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe 01:51:58 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9%\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:58 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') ioctl$sock_inet6_tcp_SIOCOUTQNSD(r0, 0x894b, &(0x7f0000000000)) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000200)={r0, 0x0, 0x1000, 0x2d, &(0x7f0000000a00)="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", &(0x7f00000001c0)=""/45, 0x40}, 0x28) sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) getsockopt$IP6T_SO_GET_ENTRIES(r0, 0x29, 0x41, &(0x7f0000000100)={'raw\x00', 0x53, "44873b49db9012de0b73ed274ad3ee4f5abb2e061718f79dfd165f0f3a36af74ee446c956fe21365ad0a486987da64778be29b288c9d8c85a2bc80588820bdeb7ebd8ddad3767374f0b0ae1f8064b1f97f0206"}, &(0x7f0000000180)=0x77) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) r1 = fcntl$getown(r0, 0x9) sched_setaffinity(r1, 0x8, &(0x7f0000000040)=0x6) [ 732.739473] ? syscall_return_slowpath+0x5e0/0x5e0 [ 732.744433] ? trace_hardirqs_on_caller+0x310/0x310 [ 732.749468] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 732.754517] ? recalc_sigpending_tsk+0x180/0x180 [ 732.759637] ? kasan_check_write+0x14/0x20 [ 732.763896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 732.768766] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 732.773969] RIP: 0033:0x457679 01:51:58 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="3970ff", 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:58 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000000), 0x16e, 0x1) [ 732.777192] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 732.796106] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 732.803845] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 732.811126] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 732.818404] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 732.825698] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 732.832984] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:51:58 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x8cffffff00000000, &(0x7f0000000380)=ANY=[]) [ 732.853404] 9pnet_virtio: no channels available for device /dev/zero [ 732.861785] warn_alloc_show_mem: 1 callbacks suppressed [ 732.861790] Mem-Info: [ 732.890624] active_anon:1228658 inactive_anon:367 isolated_anon:0 [ 732.890624] active_file:2139 inactive_file:2636 isolated_file:0 01:51:58 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0xedc0, &(0x7f0000000380)=ANY=[]) [ 732.890624] unevictable:9387 dirty:111 writeback:0 unstable:0 [ 732.890624] slab_reclaimable:16719 slab_unreclaimable:129915 [ 732.890624] mapped:57679 shmem:385 pagetables:68069 bounce:0 [ 732.890624] free:29224 free_pcp:769 free_cma:0 01:51:58 executing program 0: r0 = getpgid(0xffffffffffffffff) r1 = syz_open_procfs(r0, &(0x7f0000000040)='net/igmp6\x00') syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x101, 0x101041) sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 732.948315] Node 0 active_anon:4914832kB inactive_anon:1468kB active_file:8556kB inactive_file:10544kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:230716kB dirty:444kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 733.005172] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 733.038872] lowmem_reserve[]: 0 2817 6321 6321 [ 733.045349] Node 0 DMA32 free:52148kB min:30048kB low:37560kB high:45072kB active_anon:2613132kB inactive_anon:0kB active_file:96kB inactive_file:292kB unevictable:0kB writepending:12kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:42720kB pagetables:44272kB bounce:0kB free_pcp:1660kB local_pcp:1028kB free_cma:0kB [ 733.139094] lowmem_reserve[]: 0 0 3503 3503 [ 733.150391] Node 0 Normal free:47120kB min:37364kB low:46704kB high:56044kB active_anon:2301700kB inactive_anon:1468kB active_file:7460kB inactive_file:9728kB unevictable:37548kB writepending:280kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:99264kB pagetables:228152kB bounce:0kB free_pcp:2064kB local_pcp:1508kB free_cma:0kB [ 733.210561] lowmem_reserve[]: 0 0 0 0 [ 733.214881] 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 [ 733.229718] Node 0 DMA32: 226*4kB (E) 66*8kB (UME) 12*16kB (E) 286*32kB (UME) 154*64kB (UME) 52*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 51608kB [ 733.247423] Node 0 Normal: 3623*4kB (UME) 1939*8kB (ME) 872*16kB (UME) 208*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 50612kB [ 733.262860] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 733.272597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 733.281811] 8791 total pagecache pages [ 733.285819] 0 pages in swap cache [ 733.290294] Swap cache stats: add 0, delete 0, find 0/0 [ 733.295768] Free swap = 0kB [ 733.298869] Total swap = 0kB [ 733.302695] 1965979 pages RAM [ 733.306188] 0 pages HighMem/MovableOnly [ 733.313762] 342745 pages reserved [ 733.317265] 0 pages cma reserved [ 733.323210] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 733.342478] syz-executor3 cpuset=syz3 mems_allowed=0 [ 733.352965] CPU: 0 PID: 2218 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 733.360205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 733.369603] Call Trace: [ 733.372396] dump_stack+0x1c4/0x2b4 [ 733.376069] ? dump_stack_print_info.cold.2+0x52/0x52 [ 733.381296] ? kasan_check_read+0x11/0x20 [ 733.385519] warn_alloc.cold.119+0xb7/0x1bd [ 733.389860] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 733.394737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.400323] __vmalloc_node_range+0x472/0x750 [ 733.404837] ? graph_lock+0x170/0x170 [ 733.408657] ? __lock_is_held+0xb5/0x140 [ 733.412735] ? sel_write_load+0x1d1/0x460 [ 733.416902] vmalloc+0x6f/0x80 [ 733.420110] ? sel_write_load+0x1d1/0x460 [ 733.424263] sel_write_load+0x1d1/0x460 [ 733.428247] __vfs_write+0x119/0x9f0 [ 733.431973] ? check_preemption_disabled+0x48/0x200 [ 733.436996] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 733.441947] ? kernel_read+0x120/0x120 [ 733.445844] ? __lock_is_held+0xb5/0x140 [ 733.449936] ? rcu_read_lock_sched_held+0x108/0x120 [ 733.454973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 733.460527] ? __sb_start_write+0x1b2/0x370 [ 733.464860] vfs_write+0x1fc/0x560 [ 733.468414] ksys_write+0x101/0x260 [ 733.472053] ? __ia32_sys_read+0xb0/0xb0 [ 733.476136] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 733.481696] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 733.487151] ? ksys_ioctl+0x81/0xd0 [ 733.490790] __x64_sys_write+0x73/0xb0 [ 733.494688] do_syscall_64+0x1b9/0x820 [ 733.498598] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 733.503988] ? syscall_return_slowpath+0x5e0/0x5e0 [ 733.508948] ? trace_hardirqs_on_caller+0x310/0x310 [ 733.513980] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 733.519053] ? recalc_sigpending_tsk+0x180/0x180 [ 733.523815] ? kasan_check_write+0x14/0x20 [ 733.528074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 733.533108] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 733.538303] RIP: 0033:0x457679 [ 733.541501] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 733.560415] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 733.568142] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 733.575425] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 733.582703] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 733.589991] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 733.597279] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 733.613486] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 733.633381] SELinux: failed to load policy [ 733.807562] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 733.817866] SELinux: failed to load policy 01:51:59 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x40000, &(0x7f0000000380)=ANY=[]) 01:51:59 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) ioctl$GIO_FONTX(r1, 0x4b6b, &(0x7f00000001c0)=""/240) 01:51:59 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x3c, &(0x7f0000000540), 0x0, &(0x7f0000000000)=ANY=[]}, 0x0) preadv(r0, &(0x7f0000000640)=[{&(0x7f0000000000)=""/70}, {&(0x7f0000000100)=""/249}, {&(0x7f0000000a00)=""/4096}, {&(0x7f0000000200)=""/137}, {&(0x7f00000002c0)=""/238}, {&(0x7f00000003c0)=""/17}, {&(0x7f0000000400)=""/176}, {&(0x7f00000004c0)=""/89}, {&(0x7f0000000540)=""/178}, {&(0x7f0000000600)=""/8}], 0x500, 0x400000000000) 01:51:59 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p`', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:51:59 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYRES64=r0], 0x8) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) ioctl$KVM_ARM_SET_DEVICE_ADDR(r1, 0x4010aeab, &(0x7f0000000100)={0x7, 0x4}) lseek(r0, 0x0, 0x0) 01:51:59 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040)='/dev/zero\x00', 0x0, 0x0) bind$unix(r0, &(0x7f0000000080)=@abs={0x0, 0x0, 0x4e22}, 0x6e) r1 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") ioctl$SG_GET_SCSI_ID(r1, 0x2276, &(0x7f0000000000)) getrandom(&(0x7f0000000200), 0x0, 0x2) 01:52:00 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000000), 0xfffffffffffffdf4, 0xffffffffffffffff) [ 734.050594] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 734.062275] syz-executor3 cpuset=syz3 mems_allowed=0 [ 734.069471] CPU: 1 PID: 2242 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 734.076724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 734.086103] Call Trace: [ 734.088730] dump_stack+0x1c4/0x2b4 [ 734.092392] ? dump_stack_print_info.cold.2+0x52/0x52 01:52:00 executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000140)={0x0, 0xffffffffffffff9c, 0x0, 0x18, &(0x7f0000000100)='posix_acl_access/)nodev\x00', 0xffffffffffffffff}, 0x30) syz_open_procfs(r0, &(0x7f0000000180)='map_files\x00') r1 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') bind$nfc_llcp(r1, &(0x7f0000000000)={0x27, 0x1, 0x2, 0x0, 0x10001, 0x8, "43b896520c91aa403a3a517ed86bacf1e03078202aafbcbae6a2187017b56da1cc0584be77c9a2870cc5fa4c91b7dbe5c65367ef35c1035f74133eac6ad07b", 0x2e}, 0x60) sendmsg(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000400)=[{&(0x7f0000000a00)="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0x1000}, 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{&(0x7f0000004000)="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0xfffffffffffffe55}, {&(0x7f0000000300)="988323f5e111f797b79422ba27ed9e7c2581bef1f98ec59e2cf556fc3b4d6ef06c8dbf153343a53cdcb2f495bcc62ce5b5d89e603f5af70d4eee75f66293555b51ae83ecfc283f92c3d68d9455be3e508972eb97b521ba67913e1f45a11f8cec2cd0234ea20fb48b09af5529d2945f74ad93ef5f1571aa3a1dfbc0276b07546b5c5a8079767c8c831a228b31d754903863b2", 0x92}, {&(0x7f00000003c0), 0xffffffffffffffc2}], 0x9, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 734.097635] ? kasan_check_read+0x11/0x20 [ 734.101833] warn_alloc.cold.119+0xb7/0x1bd [ 734.106187] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 734.111094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.116688] __vmalloc_node_range+0x472/0x750 [ 734.121215] ? graph_lock+0x170/0x170 [ 734.125063] ? __lock_is_held+0xb5/0x140 [ 734.129171] ? sel_write_load+0x1d1/0x460 [ 734.133370] vmalloc+0x6f/0x80 [ 734.136580] ? sel_write_load+0x1d1/0x460 [ 734.140749] sel_write_load+0x1d1/0x460 [ 734.144757] __vfs_write+0x119/0x9f0 [ 734.148485] ? check_preemption_disabled+0x48/0x200 [ 734.153574] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 734.158551] ? kernel_read+0x120/0x120 [ 734.162464] ? __lock_is_held+0xb5/0x140 [ 734.166558] ? rcu_read_lock_sched_held+0x108/0x120 [ 734.171595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.177150] ? __sb_start_write+0x1b2/0x370 [ 734.181493] vfs_write+0x1fc/0x560 [ 734.185084] ksys_write+0x101/0x260 [ 734.188742] ? __ia32_sys_read+0xb0/0xb0 [ 734.192825] ? __bpf_trace_preemptirq_template+0x30/0x30 01:52:00 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) sendto(r0, &(0x7f0000000100)="b5b7610bfd0414a539717b62e129205b7a985d5c453d49ebb64fff3cf8d39899e13012dbbef248a1199c189096c077a7e01bade561ca9bea6940eb0bb3fa5f6befd8274de298b2f27a533c0efc662cd86082116c97e0ac1b28899e17bdaa42c77d2596f58f05e88b0d0146bf15707760c2aad1c3e6782305f905466d176b8d210e44f96055db59822d904c9bd426067c718e6be83b750936e902365d7b49f314145b81e844cbf336e7fb29bb0feb35375cae9a5d3ed1bc204d10f2a93f44daa4d2c1152b4a1673cbf26438c922eeb5", 0xcf, 0x1, &(0x7f0000000000)=@in={0x2, 0x4e21, @multicast1}, 0x80) preadv(r0, &(0x7f00000003c0)=[{&(0x7f0000000200)=""/245, 0xf5}, {&(0x7f0000000300)=""/59, 0x3b}, {&(0x7f0000000340)=""/9, 0x9}, {&(0x7f0000000380)=""/27, 0x1b}], 0x4, 0x400000000000) [ 734.198302] __x64_sys_write+0x73/0xb0 [ 734.202209] do_syscall_64+0x1b9/0x820 [ 734.206113] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 734.211503] ? syscall_return_slowpath+0x5e0/0x5e0 [ 734.216479] ? trace_hardirqs_on_caller+0x310/0x310 [ 734.221542] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 734.226578] ? recalc_sigpending_tsk+0x180/0x180 [ 734.231357] ? kasan_check_write+0x14/0x20 [ 734.235619] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 734.240483] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 734.245703] RIP: 0033:0x457679 [ 734.248909] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 734.267850] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 734.267868] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 734.267878] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 734.267887] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 01:52:00 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x6000000, &(0x7f0000000380)=ANY=[]) 01:52:00 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000000)) getrandom(&(0x7f0000000200), 0x0, 0x2) mremap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x3000, 0x2, &(0x7f0000ffd000/0x3000)=nil) [ 734.267897] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 734.267907] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 734.295473] warn_alloc_show_mem: 1 callbacks suppressed [ 734.295479] Mem-Info: [ 734.320880] active_anon:1228984 inactive_anon:369 isolated_anon:0 [ 734.320880] active_file:1381 inactive_file:1634 isolated_file:0 [ 734.320880] unevictable:9387 dirty:19 writeback:0 unstable:0 [ 734.320880] slab_reclaimable:16753 slab_unreclaimable:131098 [ 734.320880] mapped:56068 shmem:385 pagetables:68168 bounce:0 [ 734.320880] free:28991 free_pcp:936 free_cma:0 [ 734.355631] Node 0 active_anon:4916236kB inactive_anon:1476kB active_file:5524kB inactive_file:6536kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:224372kB dirty:76kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 734.358541] 9pnet_virtio: no channels available for device /dev/zero 01:52:00 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(r0, &(0x7f0000000500)={&(0x7f0000000000)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x4, 0x1, 0x2, 0x2, {0xa, 0x4e23, 0x5, @empty, 0x3}}}, 0x80, &(0x7f00000003c0)=[{&(0x7f0000000100)="ef2e43c1ec19771385762ad242ab00c4957cf72a6026672375cb1f667236518654095b5b448e7171470f93df24af99e71713f618dc18903d4b8212210abc881cfa277e0e0244b630fe204df3577f03eb81452a9ac53372c88ba736a96576c4a8176aa02086cf", 0xfffffffffffffdc8}, {&(0x7f0000000540)="3eaf71b0a90e855b691607f88426d2a5fcf1932c0ecfd0fceed27fd69d7b5f556ae98967fc3ddefceeebdc5646671d0063c58e05cded173a085798f95b36f8ea96ec48968a88e88f51d68f44fba8db9bb25f099044d050d28f72da02d6171716c9f1023eba56295a6f355163351bfdc0e97836338860348764957aea3fe28739a0b80304e5a6d9c0f86d6528af4293ee4659ef1d7d61989db000f4823faa20af84ee1395fe3906638308e191a1d0d81f837b3f787b1c7b2677a51786dabec47fbb096951288550c34cdcf4f425bf834c0501dc813e4cb277aed46ebfbd333d22ad4cad0b74fc7428ae22de7af21cdd7e", 0xf0}, {&(0x7f0000000640)="9270b61518851bc90625f9e27b5ae6e500143deb78845fd1ca14660fa1d3d2d2641362f9c5b33d70ab4d02afc8c92525cfe82b77c761bdde620a2fe63b9ec9e658bdda229f67d7a0490f247f31dcc1426f6ee0a794491d6f3daa4873da351b27c756b9f3ce966bbd5f9b9d4fc03593c14f0d846f944f7b8d7afadd01da50c383011eaacc43ed57bda4f9bddb0fd215273a279dd034e24952f54a0ef1bde608", 0xad30d76c1db47e9a}, {&(0x7f00000002c0)="3ffa7eab577226b583342288e2c58dff62c0d415e3e703f55dfe804397fcbdaa554571d98e67bb2ef7968c7414992613153e145a5fa1e4e175c0ab45430b948c8979d015f159c7d5d2053bd9cec5efd02374b5524aad0eb7b8e12f62e07e7d85b2a49f3c0bc7a0aa4238d9831c2ade55c2f911d34c7ed4972c4361e065cd301e8ff37d5eea7a61efdda2c20219522774c77c6bd3e7018d00a6df23c395f8fd14e13ea5014b12442489eca26c4164edd67a8dea2fbce80f249cbe218a45b70dfc676b9b4852db9b8de25a71ab3ff8247084ff", 0xd2}], 0x10000034, &(0x7f0000000400)=[{0xca, 0x114, 0x869, "99bfd03239c6f89ea6251f6e17ebc221c91fe3d0f6b3224e7500cdfb8baddaeca26b700ef7f106a154a8b3fbabe69667bcf2a90b7dd9492b4f5389fa191614536c1b30597258743c6d915f684796a5c1693c89b6a6f8f87a7aa8ad7fd121430e3cbd235da45715e0960d9f9dc20f800ecfa36bdb25cc8f61793be43f448a97e88e15d6d81a7516a7f790a012898d03e11cbba6358fee724f3e296db02af9af52b1cc91a9e9fa34ed962dea47610b0e1b7ede5ab431e17ef041675107e73f3eafcfd304cc433885ea3ccc6b5a1f81e5a433"}], 0xe8, 0x4000010}, 0x10) sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x0, 0x0) [ 734.384704] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 734.432888] 9pnet_virtio: no channels available for device /dev/zero 01:52:00 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000000)={0x0, @in6={{0xa, 0x4e21, 0x5, @empty, 0x101}}, [0x2, 0x1e3, 0x9, 0x6, 0xfffffffffffffffb, 0x9, 0x1, 0x7, 0x7d7800000, 0x8, 0x10000, 0x2, 0x1ff, 0x100000000, 0xfffffffffffff6aa]}, &(0x7f0000000100)=0x100) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000140)={r1, 0x1, 0x6, [0xffffffff, 0x1, 0x9, 0x5, 0x6, 0x1dd7]}, 0x14) [ 734.457294] lowmem_reserve[]: 0 2817 6321 6321 [ 734.462490] Node 0 DMA32 free:52380kB min:30048kB low:37560kB high:45072kB active_anon:2613228kB inactive_anon:0kB active_file:96kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:42656kB pagetables:44276kB bounce:0kB free_pcp:2452kB local_pcp:1292kB free_cma:0kB [ 734.510578] lowmem_reserve[]: 0 0 3503 3503 [ 734.515087] Node 0 Normal free:46732kB min:37364kB low:46704kB high:56044kB active_anon:2303008kB inactive_anon:1476kB active_file:5728kB inactive_file:6536kB unevictable:37548kB writepending:72kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:99552kB pagetables:228692kB bounce:0kB free_pcp:1316kB local_pcp:980kB free_cma:0kB [ 734.547412] lowmem_reserve[]: 0 0 0 0 [ 734.564296] 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 [ 734.583579] Node 0 DMA32: 240*4kB (UE) 110*8kB (UE) 12*16kB (E) 280*32kB (UME) 154*64kB (UME) 52*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 51824kB [ 734.600407] Node 0 Normal: 3236*4kB (UME) 1939*8kB (ME) 764*16kB (UME) 179*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46408kB [ 734.614735] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 734.623903] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 734.632950] 8321 total pagecache pages [ 734.636977] 0 pages in swap cache [ 734.640770] Swap cache stats: add 0, delete 0, find 0/0 [ 734.646237] Free swap = 0kB [ 734.649551] Total swap = 0kB [ 734.652673] 1965979 pages RAM [ 734.655869] 0 pages HighMem/MovableOnly [ 734.660075] 342745 pages reserved [ 734.663633] 0 pages cma reserved [ 734.670740] SELinux: policydb magic number 0x3 does not match expected magic number 0xf97cff8c [ 734.681438] SELinux: failed to load policy [ 734.685843] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 734.696821] syz-executor3 cpuset=syz3 mems_allowed=0 [ 734.702111] CPU: 0 PID: 2255 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 734.709311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 734.718655] Call Trace: [ 734.721266] dump_stack+0x1c4/0x2b4 [ 734.724910] ? dump_stack_print_info.cold.2+0x52/0x52 [ 734.730125] ? kasan_check_read+0x11/0x20 [ 734.734276] warn_alloc.cold.119+0xb7/0x1bd [ 734.738593] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 734.743445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.749007] __vmalloc_node_range+0x472/0x750 [ 734.753505] ? graph_lock+0x170/0x170 [ 734.757494] ? __lock_is_held+0xb5/0x140 [ 734.761573] ? sel_write_load+0x1d1/0x460 [ 734.765726] vmalloc+0x6f/0x80 [ 734.768925] ? sel_write_load+0x1d1/0x460 [ 734.773064] sel_write_load+0x1d1/0x460 [ 734.777037] __vfs_write+0x119/0x9f0 [ 734.780743] ? check_preemption_disabled+0x48/0x200 [ 734.785752] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 734.790684] ? kernel_read+0x120/0x120 [ 734.794596] ? __lock_is_held+0xb5/0x140 [ 734.798691] ? rcu_read_lock_sched_held+0x108/0x120 [ 734.803722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 734.809266] ? __sb_start_write+0x1b2/0x370 [ 734.813615] vfs_write+0x1fc/0x560 [ 734.817148] ksys_write+0x101/0x260 [ 734.820779] ? __ia32_sys_read+0xb0/0xb0 [ 734.824852] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 734.830393] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 734.835834] ? ksys_ioctl+0x81/0xd0 [ 734.839455] __x64_sys_write+0x73/0xb0 [ 734.843375] do_syscall_64+0x1b9/0x820 [ 734.847251] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 734.852612] ? syscall_return_slowpath+0x5e0/0x5e0 [ 734.857577] ? trace_hardirqs_on_caller+0x310/0x310 [ 734.862621] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 734.867674] ? recalc_sigpending_tsk+0x180/0x180 [ 734.872420] ? kasan_check_write+0x14/0x20 [ 734.876657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 734.881497] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 734.886697] RIP: 0033:0x457679 [ 734.889885] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 734.908784] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 734.916508] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 734.923790] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 734.931068] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 734.938348] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 734.945641] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 734.954398] SELinux: policydb magic number 0x6 does not match expected magic number 0xf97cff8c 01:52:00 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) fcntl$getown(r0, 0x9) 01:52:00 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x2000, &(0x7f0000000380)=ANY=[]) 01:52:00 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x3) 01:52:00 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:00 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') write$P9_RWSTAT(r0, &(0x7f0000000000)={0x7, 0x7f, 0x1}, 0x7) sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x3e8, 0x400000000000) 01:52:00 executing program 3: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x200, 0x0) ioctl$EXT4_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000200)=0x40) getsockopt$inet_tcp_buf(r0, 0x6, 0x1a, &(0x7f0000000080)=""/14, &(0x7f0000000100)=0xe) r1 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r1, &(0x7f0000000240)=ANY=[@ANYRESHEX=r1, @ANYPTR, @ANYRESOCT=r1, @ANYRESDEC, @ANYRES32=0x0], 0xfffffffffffffefa) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) connect$l2tp(r2, &(0x7f0000000140)=@pppol2tp={0x18, 0x1, {0x0, r0, {0x2, 0x4e21, @multicast1}, 0x3, 0x0, 0x4, 0x1}}, 0x26) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) lseek(r1, 0x0, 0x100000000000000) openat$rfkill(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/rfkill\x00', 0xdf5c42f062f972db, 0x0) [ 734.972843] SELinux: failed to load policy 01:52:01 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0xffffff7f00000000, &(0x7f0000000380)=ANY=[]) 01:52:01 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) ioctl$TUNSETSNDBUF(0xffffffffffffffff, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:01 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000000)={0x0, @in={{0x2, 0x4e22}}, 0x1, 0x8, 0x7, 0xfff, 0x8000}, &(0x7f00000000c0)=0x98) setsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000100)={r1, 0x200}, 0x8) 01:52:01 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x600, &(0x7f0000000380)=ANY=[]) 01:52:01 executing program 0: r0 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) epoll_pwait(r0, &(0x7f0000000040)=[{}, {}, {}, {}], 0x4, 0x0, &(0x7f0000000100)={0x6}, 0x8) r1 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) epoll_pwait(r0, &(0x7f0000000140)=[{}, {}, {}, {}, {}, {}], 0x6, 0x2, &(0x7f00000001c0)={0x2}, 0x8) [ 735.239312] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 735.279807] syz-executor3 cpuset=syz3 mems_allowed=0 [ 735.286575] CPU: 1 PID: 2321 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 735.293792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 735.300502] 9pnet_virtio: no channels available for device /dev/zero [ 735.303159] Call Trace: [ 735.303187] dump_stack+0x1c4/0x2b4 [ 735.303212] ? dump_stack_print_info.cold.2+0x52/0x52 [ 735.303236] ? kasan_check_read+0x11/0x20 [ 735.303266] warn_alloc.cold.119+0xb7/0x1bd 01:52:01 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) r1 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x5, 0x400) ioctl$DRM_IOCTL_IRQ_BUSID(r1, 0xc0106403, &(0x7f0000000040)={0x765, 0xde00, 0x4, 0x40000000000}) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) [ 735.329780] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 735.334667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.340252] __vmalloc_node_range+0x472/0x750 [ 735.344783] ? graph_lock+0x170/0x170 [ 735.348622] ? __lock_is_held+0xb5/0x140 [ 735.352708] ? sel_write_load+0x1d1/0x460 [ 735.356880] vmalloc+0x6f/0x80 [ 735.360110] ? sel_write_load+0x1d1/0x460 [ 735.364308] sel_write_load+0x1d1/0x460 [ 735.368322] __vfs_write+0x119/0x9f0 [ 735.372074] ? check_preemption_disabled+0x48/0x200 [ 735.377112] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 735.382062] ? kernel_read+0x120/0x120 [ 735.385992] ? __lock_is_held+0xb5/0x140 [ 735.388966] 9pnet_virtio: no channels available for device /dev/zero [ 735.390084] ? rcu_read_lock_sched_held+0x108/0x120 [ 735.390115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 735.390130] ? __sb_start_write+0x1b2/0x370 [ 735.390149] vfs_write+0x1fc/0x560 [ 735.390185] ksys_write+0x101/0x260 [ 735.390204] ? __ia32_sys_read+0xb0/0xb0 [ 735.422786] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 735.428268] __x64_sys_write+0x73/0xb0 [ 735.432177] do_syscall_64+0x1b9/0x820 [ 735.436091] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 735.441489] ? syscall_return_slowpath+0x5e0/0x5e0 [ 735.446447] ? trace_hardirqs_on_caller+0x310/0x310 [ 735.451489] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 735.456545] ? recalc_sigpending_tsk+0x180/0x180 [ 735.461334] ? kasan_check_write+0x14/0x20 [ 735.465591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 735.470463] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 735.475662] RIP: 0033:0x457679 [ 735.478860] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 735.497911] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 735.505648] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 735.512919] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 735.520192] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 735.527543] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 735.534828] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 735.696315] 9pnet_virtio: no channels available for device /dev/zero [ 735.762982] warn_alloc_show_mem: 1 callbacks suppressed [ 735.762987] Mem-Info: [ 735.770742] 9pnet_virtio: no channels available for device /dev/zero [ 735.771774] active_anon:1229327 inactive_anon:367 isolated_anon:0 [ 735.771774] active_file:532 inactive_file:1263 isolated_file:0 [ 735.771774] unevictable:9387 dirty:49 writeback:3 unstable:0 [ 735.771774] slab_reclaimable:16790 slab_unreclaimable:131738 [ 735.771774] mapped:55124 shmem:385 pagetables:68447 bounce:0 [ 735.771774] free:28605 free_pcp:1251 free_cma:0 [ 735.812565] Node 0 active_anon:4917308kB inactive_anon:1468kB active_file:2228kB inactive_file:5152kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:220496kB dirty:196kB writeback:12kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 735.842785] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 735.869224] lowmem_reserve[]: 0 2817 6321 6321 [ 735.873960] Node 0 DMA32 free:51644kB min:30048kB low:37560kB high:45072kB active_anon:2613288kB inactive_anon:0kB active_file:12kB inactive_file:512kB unevictable:0kB writepending:8kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:42784kB pagetables:44280kB bounce:0kB free_pcp:2180kB local_pcp:980kB free_cma:0kB [ 735.903160] lowmem_reserve[]: 0 0 3503 3503 [ 735.907534] Node 0 Normal free:46868kB min:37364kB low:46704kB high:56044kB active_anon:2304020kB inactive_anon:1468kB active_file:2172kB inactive_file:4352kB unevictable:37548kB writepending:200kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:99968kB pagetables:229508kB bounce:0kB free_pcp:2388kB local_pcp:1364kB free_cma:0kB [ 735.938428] lowmem_reserve[]: 0 0 0 0 [ 735.942362] 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 [ 735.956218] Node 0 DMA32: 244*4kB (E) 119*8kB (UE) 16*16kB (UE) 258*32kB (UME) 154*64kB (UME) 52*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 51272kB [ 735.973834] Node 0 Normal: 3792*4kB (UME) 1953*8kB (UME) 689*16kB (UME) 147*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 46520kB [ 735.987920] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 735.996844] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 736.005571] 7233 total pagecache pages [ 736.009811] 0 pages in swap cache [ 736.013284] Swap cache stats: add 0, delete 0, find 0/0 [ 736.018654] Free swap = 0kB [ 736.021960] Total swap = 0kB [ 736.025260] 1965979 pages RAM [ 736.028381] 0 pages HighMem/MovableOnly [ 736.032497] 342745 pages reserved [ 736.035993] 0 pages cma reserved [ 736.048813] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 736.062480] SELinux: failed to load policy [ 736.067577] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 736.077718] syz-executor3 cpuset=syz3 mems_allowed=0 [ 736.084282] CPU: 1 PID: 2348 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 736.091555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 736.100929] Call Trace: [ 736.103562] dump_stack+0x1c4/0x2b4 [ 736.107217] ? dump_stack_print_info.cold.2+0x52/0x52 [ 736.112458] ? kasan_check_read+0x11/0x20 [ 736.116636] warn_alloc.cold.119+0xb7/0x1bd [ 736.120970] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 736.125836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.131400] __vmalloc_node_range+0x472/0x750 [ 736.135916] ? graph_lock+0x170/0x170 [ 736.139705] ? __lock_is_held+0xb5/0x140 [ 736.143760] ? sel_write_load+0x1d1/0x460 [ 736.147902] vmalloc+0x6f/0x80 [ 736.151109] ? sel_write_load+0x1d1/0x460 [ 736.155299] sel_write_load+0x1d1/0x460 [ 736.159282] __vfs_write+0x119/0x9f0 [ 736.163002] ? check_preemption_disabled+0x48/0x200 [ 736.168022] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 736.172959] ? kernel_read+0x120/0x120 [ 736.176911] ? __lock_is_held+0xb5/0x140 [ 736.180982] ? rcu_read_lock_sched_held+0x108/0x120 [ 736.186103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.191661] ? __sb_start_write+0x1b2/0x370 [ 736.196013] vfs_write+0x1fc/0x560 [ 736.199586] ksys_write+0x101/0x260 [ 736.203241] ? __ia32_sys_read+0xb0/0xb0 [ 736.207332] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 736.213049] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 736.218552] ? ksys_ioctl+0x81/0xd0 [ 736.222220] __x64_sys_write+0x73/0xb0 [ 736.226153] do_syscall_64+0x1b9/0x820 [ 736.230076] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 736.235459] ? syscall_return_slowpath+0x5e0/0x5e0 [ 736.240417] ? trace_hardirqs_on_caller+0x310/0x310 [ 736.245607] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 736.250657] ? recalc_sigpending_tsk+0x180/0x180 [ 736.255424] ? kasan_check_write+0x14/0x20 [ 736.259687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.264577] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 736.269774] RIP: 0033:0x457679 [ 736.272970] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 736.291877] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 736.299618] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 736.306892] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 736.314163] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 736.321435] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 736.328704] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 736.359834] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 736.372546] SELinux: failed to load policy 01:52:02 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x2000000, &(0x7f0000000380)=ANY=[]) 01:52:02 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000280)=@nl, 0xfffffffffffffe8b, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000200)=0x5, 0x4) ioctl$TIOCGPTPEER(r0, 0x5441, 0x81) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000000)=ANY=[@ANYRES32=0x0, @ANYBLOB="00000500ff030491d6a7e5000800"], &(0x7f0000000040)=0x12) ioctl$EVIOCGPROP(r0, 0x80404509, &(0x7f0000000140)=""/131) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x25, 0x2}, 0x8) ioctl$RTC_IRQP_READ(r0, 0x8008700b, &(0x7f0000000240)) 01:52:02 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0xfffffffffffffffd, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:52:02 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="3970f6", 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:02 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000100)=ANY=[], 0xfffffffffffffd4f) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:02 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000200)={'veth0_to_team\x00', 0x8001}) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000000)={{{@in=@broadcast, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in=@local}}, &(0x7f0000000100)=0xe8) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000140)={@empty, @dev={0xfe, 0x80, [], 0x21}, @dev={0xfe, 0x80, [], 0x1f}, 0x499, 0x0, 0x7f, 0x500, 0x1, 0x10, r2}) 01:52:02 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) io_setup(0x7ff, &(0x7f0000000000)=0x0) r3 = syz_open_dev$mice(&(0x7f0000000680)='/dev/input/mice\x00', 0x0, 0x0) io_submit(r2, 0x8, &(0x7f0000000840)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x5, 0xcf, r0, &(0x7f0000000100)="ca134423df8118b9fa4383906b2a784b3660c62e1884fbbcd5c808ee524b47376326a6ab5c31a8a215fae32710f354e0be841d2e5a489f14f00174cee14ebb3d395fc47692ac349607d36c", 0x4b, 0x4, 0x0, 0x1, r1}, &(0x7f0000000200)={0x0, 0x0, 0x0, 0x0, 0x7, r0, &(0x7f00000001c0)="b1513d639a", 0x5, 0x100000001, 0x0, 0x0, r1}, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x3, 0x5, r1, &(0x7f0000000300)="de90b41120ecf4de82d8809c68941b55af1ede7c74a1c447bf77d900a7edf4f1a8df81e9445154ac126062f06cda3e1a635721eb7c9a74cac2f59551790ad70dbd04bfd2830dbb8f711203ca422c5d253c0a7ee4abb25dfde2a3b56a2bc6568300febc04b8f71770d6c70496db0c1065c7f9b6a35d115899f885cdf78b875541968e2100c4d4e0a181a372532439bdf33645146df0c9eb0d03e2bf9398a98d2a28da547e28c7f1c36554dd707f30838e8a3cda374be32fa31544e901ec6fae277e58c30943338e12fee7ea97ca8fe5b7f0cbb855d272b1006709987e6ce7628f7ca1e23d9356e9835e", 0xe9, 0x10001, 0x0, 0x1}, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x4, r0, &(0x7f0000000400)="08fd9fd27b9afbf678d6b059252c5ca73075b2ade4433167741d20a2472d9d94ed07601114e9e21801891444a63e14d3680aae9612a3fe7e2517b2804776f6a92d336abc48a47114028d5ce2bddc0eac2077305c97718bd70c156c227f31133241429fd56d047f320d6d9b", 0x6b, 0x4, 0x0, 0x2, r1}, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x8, 0x1, r0, &(0x7f0000000480)="606c9bcb9c32a403adc8e427759c11d6a10d38e5c37a85a60da91cbe1f5e0015ca37fb6edde663458b4a0aeb33dcb1e8d8fc3d2f2b3e05741e6e9d4294a8f39654a3873be66dcbda44df4eba34f26a5c33b4aa0eb2c5390884b29956021c2bdf54cedf33167b13785db7059b443ccfa55897f3891497defd511998c569ea6f0f6fd1549d1aa008740c8706221b4c56b9dc", 0x91, 0x100, 0x0, 0x1, r1}, &(0x7f0000000640)={0x0, 0x0, 0x0, 0x1, 0x9, r0, &(0x7f0000000580)="7ce9dedc011c1510eaec1db3db52a8400b8ce8ae68140a39be3291d2707e12caa1fd96680753126f1c5af393416e03a9d1ec2ff9f8ccc42b8ce1872bf3e99620f65af2b81b9f7d5af870dbecee857ffa2b82ec1b13d5dd10356fb91e929ddafde688194da4e2d97672d9593763d531d5a0b6e7af15a0e439950aff84048ab85b7abc0101b67ff6fe51f2dee41f4a4441215b0aa4b67eb3094e94f238bb187b80f6db8d2ec18edf2bdd", 0xa9, 0x1ff, 0x0, 0x2, r1}, &(0x7f0000000700)={0x0, 0x0, 0x0, 0x0, 0x1, r3, &(0x7f00000006c0)="5568f6857ff65faa90ad16d8c777179ed3b9359cfcc7687e2e59105c4003c598f8cb7d50ba943419344050a79bc1166154dd6119d3aa9abd7b41ab16224c", 0x3e, 0x71, 0x0, 0x3, r1}, &(0x7f0000000800)={0x0, 0x0, 0x0, 0xd689d6b6f98ba4ec, 0x2, r1, &(0x7f0000000740)="f57f7e068969742c5f36a9fa363b82ed0d659531a3ed679b5f510261e1a6dc10f69201ffa7ce3a1634b4e36152ca30895f73fafaf03194c394ce948c9bb22679db8e5b876b9ed914d1a713bb840aed874b8b7567b61a20b13f82c12e170bac127011a21f6ba783bbcb8dbbffa1d7248376315f5f7a1fc8221a1cdc0cee15ec76085e1405a4961f8a38d64eea1e8e2d29abc71021", 0x94, 0x3f, 0x0, 0x0, r1}]) lseek(r0, 0x0, 0x100000000000000) ioctl$EXT4_IOC_GROUP_ADD(r3, 0x40286608, &(0x7f0000000880)={0x2, 0x9, 0x3, 0x0, 0xc69, 0x1}) 01:52:02 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x60000000, &(0x7f0000000380)=ANY=[]) [ 736.601258] 9pnet_virtio: no channels available for device /dev/zero [ 736.619098] 9pnet_virtio: no channels available for device /dev/zero 01:52:02 executing program 0: r0 = fcntl$getown(0xffffffffffffffff, 0x9) r1 = syz_open_procfs(r0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) fcntl$getownex(r1, 0x10, &(0x7f0000000580)={0x0, 0x0}) ioctl$TUNSETOFFLOAD(r1, 0x400454d0, 0x11) getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f00000005c0)={{{@in6=@mcast2, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in=@remote}}, &(0x7f00000006c0)=0xe8) getgroups(0x4, &(0x7f0000000700)=[0xee01, 0x0, 0xffffffffffffffff, 0xee00]) sendmsg$unix(r1, &(0x7f0000000840)={&(0x7f0000000000)=@abs={0x276f90756fe56739, 0x0, 0x4e22}, 0x6e, &(0x7f0000000500)=[{&(0x7f0000000100)="3110281a4d4baa8a68d089a4ab0502387933065dfd642b566ff5800c682dbf10597aa18ea1f2c83bfa3827f1a2e8f6b9b13778db875045eaa6aeeb59413b82067094d08a2ea7044b86363e3b19c298878e76fb07391b082eeabc488c6715a361d5d53a45edefa86888bfa51019784c0f0547ea99ce2ed7f71198f25dc64194354ec8ad6869fc120f33", 0x89}, {&(0x7f00000001c0)}, {&(0x7f0000000200)="1625a8d8a64d04bfc565861f368a77f83fb0d738a9df35f41bef7f52e8ae6b0aa74d9e480b993a07bc6a5ec5455eb583fa9fc8fe50c987dd51b91c41d069fb0f2f", 0x41}, {&(0x7f0000000280)="1a0a2be5252f1d5b597b8859249fc280ccc3db6d77666db35514ecf8d4e71ed728b937a383127d9cf3118fae15684a027d9265892f2520cb3c045f27084224debf860aab4628b891bf386d5510bce9c755d88adf263470d0d1cfeb2fddba26bd8ee65f96c1f9d548fa06ca221e57816b5a24da468ff8976cd1621dedc10d47d2df7895b3307d1501ad2fb29f097e6b64919024afd8e267c2fc109330d978cc8d9df85210c61b63ba", 0xa8}, {&(0x7f0000000340)="17fafaddec1e23129ef7f4f88aefb55f01fd0c29a4a4a024d95e543a4629080ceb56071fc676d1213a492d73fef4719a45e539", 0x33}, {&(0x7f0000000380)="7f43f170887aaf8e685216310f01c843ce5b0659f4a765ca8de707c573ca8af1621488654e2f517f615c58b8fac7b3d538e4e4e34ecd5a067d13586804f0a9cc2d73cdbf35ae9a36cd4b8481056d9c482950a81fccfdf5", 0x57}, {&(0x7f0000000400)="f18c9a35b4b890cfb897d021b7f3e72054eaeba9f19af85d3718d9b70ef44874e1a0c927f0c36145c1659eebbbd671e7f82a157b0855e8594c942c1025953aad51c68c8af761a7aab6f280fe80a43214a61fd136621f2b221f1c0107b9adb331ea183c84c862f5bb7b1ece63732a2acfa38a531a5a2f90c18e0aff42555c7e6dedc83172b8746e68fc44a6df52cb2a38667192dcb4d34ca46f609592765feca19479cd0327ff91d950240575ff650914fc1bba73fc024728ab79302e8ac906b5611b79f99a9771a65217f2e6042b0b211d558e2132f4ed7423bc804cccc124a3737e60d36d00d9f7aa496a6d03e47e7652083f3d9a890122", 0xf8}], 0x7, &(0x7f0000000740)=[@rights={0x18, 0x1, 0x1, [r1, r1]}, @rights={0x18, 0x1, 0x1, [r1]}, @cred={0x20, 0x1, 0x2, r2, r3, r4}, @rights={0x30, 0x1, 0x1, [r1, r1, r1, r1, r1, r1, r1]}, @rights={0x28, 0x1, 0x1, [r1, r1, r1, r1, r1, r1]}, @rights={0x20, 0x1, 0x1, [r1, r1, r1, r1]}], 0xc8}, 0x50) readv(r1, &(0x7f0000000880)=[{&(0x7f00000001c0)=""/17, 0x11}], 0x1) [ 736.712043] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 736.755256] syz-executor3 cpuset=syz3 mems_allowed=0 [ 736.775618] CPU: 1 PID: 2377 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 736.782835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 736.792200] Call Trace: [ 736.794810] dump_stack+0x1c4/0x2b4 [ 736.798472] ? dump_stack_print_info.cold.2+0x52/0x52 [ 736.803707] ? kasan_check_read+0x11/0x20 [ 736.807902] warn_alloc.cold.119+0xb7/0x1bd [ 736.812245] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 736.817117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.822703] __vmalloc_node_range+0x472/0x750 [ 736.827219] ? graph_lock+0x170/0x170 [ 736.831036] ? __lock_is_held+0xb5/0x140 [ 736.835126] ? sel_write_load+0x1d1/0x460 [ 736.836234] 9pnet_virtio: no channels available for device /dev/zero [ 736.839288] vmalloc+0x6f/0x80 [ 736.839307] ? sel_write_load+0x1d1/0x460 [ 736.839326] sel_write_load+0x1d1/0x460 [ 736.839351] __vfs_write+0x119/0x9f0 [ 736.839368] ? check_preemption_disabled+0x48/0x200 [ 736.839389] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 736.870861] ? kernel_read+0x120/0x120 [ 736.874790] ? __lock_is_held+0xb5/0x140 [ 736.878875] ? rcu_read_lock_sched_held+0x108/0x120 [ 736.883925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 736.889532] ? __sb_start_write+0x1b2/0x370 [ 736.893874] vfs_write+0x1fc/0x560 [ 736.897438] ksys_write+0x101/0x260 [ 736.901101] ? __ia32_sys_read+0xb0/0xb0 [ 736.905184] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 736.910712] __x64_sys_write+0x73/0xb0 [ 736.914625] do_syscall_64+0x1b9/0x820 [ 736.918537] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 736.923926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 736.928886] ? trace_hardirqs_on_caller+0x310/0x310 [ 736.933933] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 736.938964] ? preempt_schedule+0x4d/0x60 [ 736.943149] ? ___preempt_schedule+0x16/0x18 [ 736.947596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.952467] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 736.957673] RIP: 0033:0x457679 [ 736.960880] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 736.979800] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 736.987538] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 736.994827] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 01:52:02 executing program 4: r0 = socket$inet6(0xa, 0x401000000000002, 0x0) r1 = openat$vhci(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vhci\x00', 0x842, 0x0) ioctl$SG_GET_VERSION_NUM(r1, 0x2282, &(0x7f0000000200)) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getrandom(&(0x7f0000000200), 0x0, 0x2) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f00000002c0)='IPVS\x00') sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000400)={&(0x7f0000000300)={0xf0, r2, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x58, 0x1, [@IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e21}, @IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0x2}, @IPVS_SVC_ATTR_PROTOCOL={0x8, 0x2, 0x88}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x10, 0x10}}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x10, 0x1}}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e23}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x35, 0x2}}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e20}]}, @IPVS_CMD_ATTR_DAEMON={0x1c, 0x3, [@IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x80000001}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @rand_addr=0x6}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x200}]}, @IPVS_CMD_ATTR_DAEMON={0x18, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'erspan0\x00'}]}, @IPVS_CMD_ATTR_DAEMON={0x30, 0x3, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x953}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @remote}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'veth1_to_team\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xd7}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x7fff}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffffffffffffffff}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x20}]}, 0xf0}, 0x1, 0x0, 0x0, 0x95}, 0x804) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000000)={0x0, 0xffffffffffffffff, 0x101, 0x5, 0x8, 0x101}, &(0x7f0000000040)=0x14) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000080)={r3, 0xd3, "7a921084970af90194e87602f0a87e80761dd0239fb59f523ecb16f5bae114f8022648cd6ec9eb723c9c48c0dc78499a1404d78e822664226c324f43fffabe10cb2093dda9067bcfbf79d01c80589b365d4cd866390f70cf47248a34bf7413a4c5c790503949ea1fb9c554dbb7c5a08210f562895b9afc1505baac445b5ab39b1e0774d0b9ea2b09b69bdccdf85852650fad2bfc69c412bdd2e2f0f71026074e29bb4ea9220095e5fe57c373773ae135174083d5ac8d2d337a8affa8b5a7cdf98d2616f6cd73a7b48c44e9b30a7281a16fd684"}, &(0x7f0000000180)=0xdb) 01:52:02 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) sendfile(r0, r0, &(0x7f0000000100), 0x37) syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x2, 0x400) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r0, 0x111, 0x1, 0x8, 0x1d2) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) ftruncate(r0, 0x0) 01:52:02 executing program 4: socketpair(0x8, 0x3, 0x4f, &(0x7f0000000340)={0xffffffffffffffff, 0xffffffffffffffff}) accept4$packet(0xffffffffffffffff, &(0x7f0000000440)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @local}, &(0x7f0000000480)=0x14, 0x80800) ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f00000004c0)={@mcast1, 0x61, r1}) r2 = socket$inet6(0xa, 0x1, 0x2) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = dup2(r2, r2) r4 = getpgid(0x0) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/vcs\x00', 0x40000, 0x0) getsockopt$llc_int(r5, 0x10c, 0x6, &(0x7f00000002c0), &(0x7f0000000300)=0x4) getsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f00000000c0)={{{@in6=@ipv4, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@local}, 0x0, @in=@multicast2}}, &(0x7f00000001c0)=0xe8) ioctl$DRM_IOCTL_GET_CLIENT(r3, 0xc0286405, &(0x7f0000000200)={0x6, 0x0, r4, 0x8, r6, 0x7aeb, 0x1, 0x3}) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r3, 0xc0a85352, &(0x7f0000000000)={{0x28eb, 0x401}, 'port0\x00', 0x2, 0x4, 0x6, 0x9, 0x7f, 0x7, 0x7ff, 0x0, 0x4, 0x69f8}) getrandom(&(0x7f0000000200), 0x0, 0x2) ftruncate(r2, 0x0) [ 737.002110] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 737.009392] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 737.016684] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 737.277535] warn_alloc_show_mem: 1 callbacks suppressed [ 737.277541] Mem-Info: [ 737.301737] active_anon:1229703 inactive_anon:366 isolated_anon:0 [ 737.301737] active_file:722 inactive_file:832 isolated_file:23 [ 737.301737] unevictable:9387 dirty:51 writeback:0 unstable:0 [ 737.301737] slab_reclaimable:16778 slab_unreclaimable:132086 [ 737.301737] mapped:54843 shmem:385 pagetables:68561 bounce:0 [ 737.301737] free:27714 free_pcp:1165 free_cma:0 [ 737.347530] Node 0 active_anon:4918812kB inactive_anon:1464kB active_file:2564kB inactive_file:3728kB unevictable:37548kB isolated(anon):0kB isolated(file):92kB mapped:219172kB dirty:204kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 737.379792] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 737.409779] lowmem_reserve[]: 0 2817 6321 6321 [ 737.417106] Node 0 DMA32 free:51112kB min:30048kB low:37560kB high:45072kB active_anon:2613332kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:12kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:42784kB pagetables:44280kB bounce:0kB free_pcp:2392kB local_pcp:996kB free_cma:0kB [ 737.485500] lowmem_reserve[]: 0 0 3503 3503 [ 737.490832] Node 0 Normal free:45788kB min:37364kB low:46704kB high:56044kB active_anon:2305184kB inactive_anon:1464kB active_file:800kB inactive_file:3520kB unevictable:37548kB writepending:192kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:100256kB pagetables:229964kB bounce:0kB free_pcp:1796kB local_pcp:1432kB free_cma:0kB [ 737.534788] lowmem_reserve[]: 0 0 0 0 [ 737.542979] 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 [ 737.561353] Node 0 DMA32: 391*4kB (UME) 162*8kB (UME) 28*16kB (UME) 233*32kB (UME) 154*64kB (UME) 52*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 51596kB [ 737.582287] Node 0 Normal: 4097*4kB (UMEH) 2113*8kB (UME) 650*16kB (UMEH) 121*32kB (MH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 47564kB [ 737.598175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 737.611133] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 737.624733] 6533 total pagecache pages [ 737.629369] 0 pages in swap cache [ 737.633815] Swap cache stats: add 0, delete 0, find 0/0 [ 737.640210] Free swap = 0kB [ 737.657291] Total swap = 0kB [ 737.662213] 1965979 pages RAM [ 737.667139] 0 pages HighMem/MovableOnly [ 737.672043] 342745 pages reserved [ 737.679134] 0 pages cma reserved [ 737.684895] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 737.698088] syz-executor3 cpuset=syz3 mems_allowed=0 [ 737.705461] CPU: 0 PID: 2400 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 737.712687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.722065] Call Trace: [ 737.724692] dump_stack+0x1c4/0x2b4 [ 737.728340] ? dump_stack_print_info.cold.2+0x52/0x52 [ 737.733579] ? kasan_check_read+0x11/0x20 [ 737.737768] warn_alloc.cold.119+0xb7/0x1bd [ 737.742123] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 737.746989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.752575] __vmalloc_node_range+0x472/0x750 [ 737.757083] ? graph_lock+0x170/0x170 [ 737.760890] ? __lock_is_held+0xb5/0x140 [ 737.764974] ? sel_write_load+0x1d1/0x460 [ 737.769129] vmalloc+0x6f/0x80 [ 737.772341] ? sel_write_load+0x1d1/0x460 [ 737.776519] sel_write_load+0x1d1/0x460 [ 737.780510] __vfs_write+0x119/0x9f0 [ 737.784252] ? check_preemption_disabled+0x48/0x200 [ 737.789274] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 737.794208] ? kernel_read+0x120/0x120 [ 737.798115] ? __lock_is_held+0xb5/0x140 [ 737.802199] ? rcu_read_lock_sched_held+0x108/0x120 [ 737.807225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 737.812765] ? __sb_start_write+0x1b2/0x370 [ 737.817102] vfs_write+0x1fc/0x560 [ 737.820654] ksys_write+0x101/0x260 [ 737.824291] ? __ia32_sys_read+0xb0/0xb0 [ 737.828370] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 737.833835] __x64_sys_write+0x73/0xb0 [ 737.837734] do_syscall_64+0x1b9/0x820 [ 737.841627] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 737.847001] ? syscall_return_slowpath+0x5e0/0x5e0 [ 737.851938] ? trace_hardirqs_on_caller+0x310/0x310 [ 737.856957] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 737.861998] ? recalc_sigpending_tsk+0x180/0x180 [ 737.866761] ? kasan_check_write+0x14/0x20 [ 737.871016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 737.875875] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 737.881072] RIP: 0033:0x457679 [ 737.884318] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 737.903228] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 737.910951] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 737.918242] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 [ 737.925524] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 737.932803] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 737.940078] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 738.000825] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 738.013862] SELinux: failed to load policy 01:52:03 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:04 executing program 4: 01:52:03 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000000)={0xfff, 0x8, 0xfffffffffffffff7, 0x101, 0x0}, &(0x7f0000000040)=0x10) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000100)={r1, 0x200}, &(0x7f0000000140)=0x8) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:52:03 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x500, &(0x7f0000000380)=ANY=[]) [ 738.044429] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 738.137123] 9pnet_virtio: no channels available for device /dev/zero [ 738.155077] 9pnet_virtio: no channels available for device /dev/zero [ 738.204951] SELinux: failed to load policy [ 738.314913] 9pnet_virtio: no channels available for device /dev/zero [ 738.345446] 9pnet_virtio: no channels available for device /dev/zero 01:52:04 executing program 4: 01:52:04 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000000)=ANY=[], 0xffffff44) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) getsockopt$llc_int(r1, 0x10c, 0x0, &(0x7f0000000000), &(0x7f0000000080)=0x4) 01:52:04 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x7, &(0x7f0000000380)=ANY=[]) 01:52:04 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:04 executing program 4: 01:52:04 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)=0x5) ioctl$TIOCGETD(r1, 0x5424, 0x0) lseek(r0, 0x0, 0x0) [ 738.615984] 9pnet_virtio: no channels available for device /dev/zero [ 738.635740] 9pnet_virtio: no channels available for device /dev/zero 01:52:04 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x300000000000000, &(0x7f0000000380)=ANY=[]) 01:52:04 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000180)) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f00000001c0)) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000200)={0x0}, &(0x7f0000000240)=0xc) r2 = syz_open_procfs(r1, &(0x7f0000000000)='ngt/raw\x00') ioctl$DRM_IOCTL_MODE_SETCRTC(r2, 0xc06864a2, &(0x7f0000000100)={&(0x7f0000000040)=[0x3ff, 0x6, 0x101, 0x1000], 0x4, 0x3, 0x4, 0xaae6, 0x3, 0x20, {0x20000, 0x1, 0x4, 0x38ac29d7, 0x9, 0xc855, 0x8, 0x3, 0x8, 0x3f, 0x401, 0x3, 0x5, 0x5, "f39cdf9cc5418f4378a1b6e362ee093247446eeae6e2ceb1da8626a554442662"}}) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f0000000280)={'team0\x00', 0x0}) sendto$packet(r0, &(0x7f0000000a00)="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", 0x1000, 0x0, &(0x7f00000002c0)={0x11, 0x16, r3, 0x1, 0x7, 0x6, @random="1b547e91ebd5"}, 0x14) ioctl$sock_SIOCGPGRP(r2, 0x8904, &(0x7f0000000300)) 01:52:04 executing program 4: 01:52:04 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) statfs(&(0x7f00000001c0)='\x00', &(0x7f0000000200)=""/131) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) fremovexattr(r0, &(0x7f0000000000)=@known='security.capability\x00') ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)=0x400) ioctl$int_in(r0, 0x5421, &(0x7f0000000080)=0x31) sync_file_range(r0, 0x0, 0x1, 0x9851674c4648dc45) ioctl$KVM_GET_SREGS(r1, 0x8138ae83, &(0x7f0000000300)) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000100)='/dev/zero\x00', 0xc000, 0x0) fadvise64(r2, 0x0, 0x6, 0x0) getsockopt$kcm_KCM_RECV_DISABLE(r1, 0x119, 0x1, &(0x7f0000000140), 0x4) lseek(r0, 0x0, 0x100000000000000) 01:52:04 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x6b6b6b, &(0x7f0000000380)=ANY=[]) [ 738.867620] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 738.897853] syz-executor3 cpuset=syz3 mems_allowed=0 [ 738.908554] CPU: 0 PID: 2466 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 738.915819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 738.925187] Call Trace: [ 738.927814] dump_stack+0x1c4/0x2b4 [ 738.931482] ? dump_stack_print_info.cold.2+0x52/0x52 [ 738.936720] ? kasan_check_read+0x11/0x20 [ 738.940910] warn_alloc.cold.119+0xb7/0x1bd [ 738.945271] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 738.950161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 738.955756] __vmalloc_node_range+0x472/0x750 [ 738.960282] ? graph_lock+0x170/0x170 [ 738.964103] ? __lock_is_held+0xb5/0x140 [ 738.968191] ? sel_write_load+0x1d1/0x460 [ 738.972364] vmalloc+0x6f/0x80 [ 738.975596] ? sel_write_load+0x1d1/0x460 [ 738.979763] sel_write_load+0x1d1/0x460 [ 738.983767] __vfs_write+0x119/0x9f0 [ 738.987502] ? check_preemption_disabled+0x48/0x200 [ 738.992580] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 738.997534] ? kernel_read+0x120/0x120 [ 739.001441] ? __lock_is_held+0xb5/0x140 [ 739.005555] ? rcu_read_lock_sched_held+0x108/0x120 [ 739.010603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.016152] ? __sb_start_write+0x1b2/0x370 [ 739.020490] vfs_write+0x1fc/0x560 [ 739.024055] ksys_write+0x101/0x260 [ 739.027701] ? __ia32_sys_read+0xb0/0xb0 [ 739.031781] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 739.037256] __x64_sys_write+0x73/0xb0 [ 739.041157] do_syscall_64+0x1b9/0x820 [ 739.045054] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 739.050434] ? syscall_return_slowpath+0x5e0/0x5e0 [ 739.055388] ? trace_hardirqs_on_caller+0x310/0x310 [ 739.060412] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 739.065449] ? recalc_sigpending_tsk+0x180/0x180 [ 739.070219] ? kasan_check_write+0x14/0x20 [ 739.074476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.079340] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 739.084562] RIP: 0033:0x457679 [ 739.087779] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 739.106694] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 01:52:04 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0xffffff7f, &(0x7f0000000380)=ANY=[]) [ 739.114423] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 739.121708] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 739.128997] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 739.136298] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 739.143596] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 739.156406] warn_alloc_show_mem: 1 callbacks suppressed [ 739.156412] Mem-Info: [ 739.167191] active_anon:1229994 inactive_anon:367 isolated_anon:0 [ 739.167191] active_file:818 inactive_file:744 isolated_file:32 [ 739.167191] unevictable:9387 dirty:52 writeback:0 unstable:0 [ 739.167191] slab_reclaimable:16914 slab_unreclaimable:132208 [ 739.167191] mapped:54999 shmem:385 pagetables:68667 bounce:0 [ 739.167191] free:27155 free_pcp:977 free_cma:0 [ 739.203731] Node 0 active_anon:4919976kB inactive_anon:1468kB active_file:3280kB inactive_file:3636kB unevictable:37548kB isolated(anon):0kB isolated(file):128kB mapped:220396kB dirty:208kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 739.236600] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 739.265221] lowmem_reserve[]: 0 2817 6321 6321 [ 739.271772] Node 0 DMA32 free:49792kB min:30048kB low:37560kB high:45072kB active_anon:2613620kB inactive_anon:0kB active_file:200kB inactive_file:364kB unevictable:0kB writepending:32kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43072kB pagetables:44388kB bounce:0kB free_pcp:2460kB local_pcp:1412kB free_cma:0kB [ 739.305875] lowmem_reserve[]: 0 0 3503 3503 [ 739.312128] Node 0 Normal free:43308kB min:37364kB low:46704kB high:56044kB active_anon:2305656kB inactive_anon:1468kB active_file:2992kB inactive_file:2876kB unevictable:37548kB writepending:176kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:100608kB pagetables:230280kB bounce:0kB free_pcp:2024kB local_pcp:560kB free_cma:0kB [ 739.345435] lowmem_reserve[]: 0 0 0 0 [ 739.350913] 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 [ 739.366726] Node 0 DMA32: 333*4kB (UME) 83*8kB (ME) 34*16kB (UME) 189*32kB (UME) 154*64kB (UME) 52*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 49420kB [ 739.390651] Node 0 Normal: 2564*4kB (MEH) 2011*8kB (UME) 674*16kB (UMEH) 125*32kB (UMH) 17*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 42216kB 01:52:05 executing program 4: 01:52:05 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f0000000200), 0x100000000000019a, 0x3ffffffffffd) 01:52:05 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0xf6ffffff00000000, &(0x7f0000000380)=ANY=[]) [ 739.458290] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 739.486298] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 739.509731] 7758 total pagecache pages [ 739.520339] 0 pages in swap cache [ 739.530766] Swap cache stats: add 0, delete 0, find 0/0 [ 739.565996] Free swap = 0kB [ 739.575256] Total swap = 0kB [ 739.580349] 1965979 pages RAM [ 739.586027] 0 pages HighMem/MovableOnly [ 739.594104] 342745 pages reserved [ 739.597977] 0 pages cma reserved [ 739.605925] 9pnet_virtio: no channels available for device /dev/zero [ 739.620290] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 739.634634] syz-executor3 cpuset=syz3 mems_allowed=0 [ 739.642656] CPU: 1 PID: 2468 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 739.650286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 739.659665] Call Trace: [ 739.662276] dump_stack+0x1c4/0x2b4 [ 739.665936] ? dump_stack_print_info.cold.2+0x52/0x52 [ 739.671149] ? kasan_check_read+0x11/0x20 [ 739.675337] warn_alloc.cold.119+0xb7/0x1bd [ 739.679687] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 739.684572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.690177] __vmalloc_node_range+0x472/0x750 [ 739.694698] ? graph_lock+0x170/0x170 [ 739.698541] ? __lock_is_held+0xb5/0x140 [ 739.702638] ? sel_write_load+0x1d1/0x460 [ 739.706811] vmalloc+0x6f/0x80 [ 739.710022] ? sel_write_load+0x1d1/0x460 [ 739.714186] sel_write_load+0x1d1/0x460 [ 739.718214] __vfs_write+0x119/0x9f0 [ 739.721964] ? check_preemption_disabled+0x48/0x200 [ 739.727008] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 739.731963] ? kernel_read+0x120/0x120 [ 739.735889] ? __lock_is_held+0xb5/0x140 [ 739.740014] ? rcu_read_lock_sched_held+0x108/0x120 [ 739.745089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 739.750666] ? __sb_start_write+0x1b2/0x370 [ 739.755043] vfs_write+0x1fc/0x560 [ 739.758639] ksys_write+0x101/0x260 [ 739.762292] ? __ia32_sys_read+0xb0/0xb0 [ 739.766377] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 739.771859] __x64_sys_write+0x73/0xb0 [ 739.775770] do_syscall_64+0x1b9/0x820 [ 739.779679] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 739.785058] ? syscall_return_slowpath+0x5e0/0x5e0 [ 739.790015] ? trace_hardirqs_on_caller+0x310/0x310 [ 739.795052] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 739.800102] ? recalc_sigpending_tsk+0x180/0x180 [ 739.804880] ? kasan_check_write+0x14/0x20 [ 739.809140] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 739.814010] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 739.819211] RIP: 0033:0x457679 [ 739.822431] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 739.841345] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 739.849084] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 739.856373] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 739.863685] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 739.870966] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 739.878252] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 739.901357] 9pnet_virtio: no channels available for device /dev/zero [ 739.976574] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 739.993918] SELinux: failed to load policy [ 740.011291] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:52:05 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) connect$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x74, {0x4, 0x8, 0x7, 0x0, 0x4, 0xfff}, 0x7, 0xf6d7}, 0xe) 01:52:06 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x40000000, &(0x7f0000000380)=ANY=[]) 01:52:06 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:06 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f0000000000)=0x8) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 740.030626] SELinux: failed to load policy 01:52:06 executing program 4: 01:52:06 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x80000200) 01:52:06 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x1de, &(0x7f00000002c0)=ANY=[], 0xfcd4}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 740.151830] 9pnet_virtio: no channels available for device /dev/zero [ 740.153924] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 740.172092] syz-executor3 cpuset=syz3 mems_allowed=0 [ 740.178297] 9pnet_virtio: no channels available for device /dev/zero [ 740.185687] CPU: 1 PID: 2513 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 740.192910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 01:52:06 executing program 4: [ 740.202300] Call Trace: [ 740.204927] dump_stack+0x1c4/0x2b4 [ 740.208618] ? dump_stack_print_info.cold.2+0x52/0x52 [ 740.213847] ? kasan_check_read+0x11/0x20 [ 740.218036] warn_alloc.cold.119+0xb7/0x1bd [ 740.222403] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 740.227278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.233023] __vmalloc_node_range+0x472/0x750 [ 740.237555] ? graph_lock+0x170/0x170 [ 740.241484] ? __lock_is_held+0xb5/0x140 [ 740.245587] ? sel_write_load+0x1d1/0x460 [ 740.249790] vmalloc+0x6f/0x80 [ 740.253012] ? sel_write_load+0x1d1/0x460 [ 740.257186] sel_write_load+0x1d1/0x460 [ 740.261193] __vfs_write+0x119/0x9f0 [ 740.264927] ? check_preemption_disabled+0x48/0x200 [ 740.269971] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 740.274929] ? kernel_read+0x120/0x120 [ 740.278853] ? __lock_is_held+0xb5/0x140 [ 740.282956] ? rcu_read_lock_sched_held+0x108/0x120 [ 740.288005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 740.293563] ? __sb_start_write+0x1b2/0x370 [ 740.297908] vfs_write+0x1fc/0x560 [ 740.301472] ksys_write+0x101/0x260 [ 740.305126] ? __ia32_sys_read+0xb0/0xb0 [ 740.309205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 740.314689] __x64_sys_write+0x73/0xb0 [ 740.318600] do_syscall_64+0x1b9/0x820 [ 740.322510] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 740.327908] ? syscall_return_slowpath+0x5e0/0x5e0 [ 740.332863] ? trace_hardirqs_on_caller+0x310/0x310 [ 740.337904] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 740.342948] ? recalc_sigpending_tsk+0x180/0x180 [ 740.347723] ? kasan_check_write+0x14/0x20 [ 740.351997] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 740.356861] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 740.362104] RIP: 0033:0x457679 [ 740.365305] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 740.384218] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 740.391945] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 01:52:06 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0xffff1f00, &(0x7f0000000380)=ANY=[]) [ 740.399281] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 740.406590] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 740.413874] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 740.421156] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:52:06 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x4000, &(0x7f0000000380)=ANY=[]) 01:52:06 executing program 4: [ 740.558881] warn_alloc_show_mem: 1 callbacks suppressed [ 740.558887] Mem-Info: [ 740.580820] active_anon:1230277 inactive_anon:364 isolated_anon:0 [ 740.580820] active_file:1144 inactive_file:1519 isolated_file:0 [ 740.580820] unevictable:9387 dirty:36 writeback:0 unstable:0 [ 740.580820] slab_reclaimable:17061 slab_unreclaimable:131692 [ 740.580820] mapped:55607 shmem:385 pagetables:68941 bounce:0 [ 740.580820] free:25740 free_pcp:1040 free_cma:0 [ 740.654156] Node 0 active_anon:4921100kB inactive_anon:1464kB active_file:3440kB inactive_file:5512kB unevictable:37548kB isolated(anon):0kB isolated(file):96kB mapped:221936kB dirty:136kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 740.685365] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 01:52:06 executing program 4: [ 740.748124] lowmem_reserve[]: 0 2817 6321 6321 [ 740.760083] Node 0 DMA32 free:47796kB min:30048kB low:37560kB high:45072kB active_anon:2613596kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43200kB pagetables:44384kB bounce:0kB free_pcp:2572kB local_pcp:1160kB free_cma:0kB [ 740.794708] 9pnet_virtio: no channels available for device /dev/zero 01:52:06 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f0000000300)=[{&(0x7f0000000180)=""/46}, {&(0x7f00000001c0)=""/44}, {&(0x7f0000000200)=""/239}], 0x10000000000002d8, 0x400000000000) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000380)=0x0) r2 = getpgid(r1) r3 = syz_open_procfs(r2, &(0x7f0000000000)='net/ip_vs_stats\x00') read(r3, &(0x7f0000000100)=""/82, 0x52) ioctl$RNDZAPENTCNT(r3, 0x5204, &(0x7f0000000340)=0xef1e) ioctl$TCGETA(r0, 0x5405, &(0x7f0000000040)) 01:52:06 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x2, &(0x7f0000000380)=ANY=[]) [ 740.821723] 9pnet_virtio: no channels available for device /dev/zero [ 740.851031] lowmem_reserve[]: 0 0 3503 3503 [ 740.863448] Node 0 Normal free:40244kB min:37364kB low:46704kB high:56044kB active_anon:2307504kB inactive_anon:1464kB active_file:2492kB inactive_file:6604kB unevictable:37548kB writepending:132kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:100960kB pagetables:231376kB bounce:0kB free_pcp:1788kB local_pcp:760kB free_cma:0kB [ 740.899260] lowmem_reserve[]: 0 0 0 0 [ 740.904712] 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 [ 740.920558] Node 0 DMA32: 333*4kB (UME) 83*8kB (ME) 34*16kB (UME) 135*32kB (ME) 152*64kB (UME) 52*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 47564kB [ 740.938960] Node 0 Normal: 1918*4kB (MEH) 1968*8kB (UME) 627*16kB (UMEH) 125*32kB (MH) 17*64kB (U) 8*128kB (U) 4*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 41096kB [ 740.966213] 9pnet_virtio: no channels available for device /dev/zero [ 740.991475] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 741.015770] 9pnet_virtio: no channels available for device /dev/zero [ 741.030538] 9pnet_virtio: no channels available for device /dev/zero [ 741.058767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 741.090118] 6867 total pagecache pages [ 741.099738] 0 pages in swap cache [ 741.107795] Swap cache stats: add 0, delete 0, find 0/0 [ 741.119305] Free swap = 0kB [ 741.122361] Total swap = 0kB [ 741.131811] 1965979 pages RAM [ 741.135230] 0 pages HighMem/MovableOnly [ 741.149313] 342745 pages reserved [ 741.152946] 0 pages cma reserved [ 741.156393] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 741.173298] syz-executor3 cpuset=syz3 mems_allowed=0 [ 741.188767] CPU: 1 PID: 2542 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 01:52:07 executing program 4: [ 741.196126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 741.205632] Call Trace: [ 741.208253] dump_stack+0x1c4/0x2b4 [ 741.211914] ? dump_stack_print_info.cold.2+0x52/0x52 [ 741.217138] ? kasan_check_read+0x11/0x20 [ 741.221317] warn_alloc.cold.119+0xb7/0x1bd [ 741.225670] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 741.230569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.236172] __vmalloc_node_range+0x472/0x750 [ 741.240719] ? graph_lock+0x170/0x170 [ 741.244548] ? __lock_is_held+0xb5/0x140 [ 741.248645] ? sel_write_load+0x1d1/0x460 [ 741.252833] vmalloc+0x6f/0x80 [ 741.256066] ? sel_write_load+0x1d1/0x460 [ 741.260246] sel_write_load+0x1d1/0x460 [ 741.264250] __vfs_write+0x119/0x9f0 [ 741.267998] ? check_preemption_disabled+0x48/0x200 [ 741.273034] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 741.278007] ? kernel_read+0x120/0x120 [ 741.281919] ? __lock_is_held+0xb5/0x140 [ 741.286009] ? rcu_read_lock_sched_held+0x108/0x120 [ 741.291048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 741.296649] ? __sb_start_write+0x1b2/0x370 [ 741.301010] vfs_write+0x1fc/0x560 [ 741.304584] ksys_write+0x101/0x260 [ 741.308265] ? __ia32_sys_read+0xb0/0xb0 [ 741.312347] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 741.317913] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 741.323383] ? ksys_ioctl+0x81/0xd0 [ 741.327048] __x64_sys_write+0x73/0xb0 [ 741.330967] do_syscall_64+0x1b9/0x820 [ 741.334887] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 741.340282] ? syscall_return_slowpath+0x5e0/0x5e0 [ 741.345247] ? trace_hardirqs_on_caller+0x310/0x310 [ 741.350284] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 741.355326] ? recalc_sigpending_tsk+0x180/0x180 [ 741.360108] ? kasan_check_write+0x14/0x20 [ 741.364392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 741.369263] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 741.374478] RIP: 0033:0x457679 [ 741.377697] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 741.396626] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 741.404366] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 741.411662] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 741.418956] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 741.426251] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 741.433558] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 741.456195] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 741.483753] SELinux: failed to load policy 01:52:07 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:07 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000380)="6e02eed9ad5cc6763e9180acd4790afdb7") sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f00000003c0)=[{&(0x7f0000000100)="605ccbf9149bb96916b7515fc85f4a09334bc13d6b4159fed46fafcf17dc2e4e083d97b62cfb616a26c5efb742e4e9b551c9e42dc24a2f41cfd2d66dd0abf86f837d9316c993fd62a3498bcaec4e63988b4bb28539da88696e6361d3f18de55723a13adf0783a717ac7a5d1f3735a57de6b8b6e43cc8acc0ad8aabc761ac188d38c5a4c188ee4106ffdaab9f7456a82ef589d3550468d393d6ca86b22ee94eb35bad3278c279b7a1cdc0d529cd7c0fc917b23d9a18f59abf92e4195b00511757ebbe06124856625b1653f6722b028c43eb210ac87f99454527f6e1f30309fac2f8", 0xe1}, {&(0x7f0000000200)="50b9a41f46bbeacb5b71b2e1b91756e08e737bf029a181d1e5393e10b376a45e3ecc8b4f49fba530e18aa6c9926578cca99cc1114d876e531783c315b9c450b125865385365c9679381585d360600a7f266fb6576728de309682962ee5729868f088fc15aa2c8fe227fd91b18bd8fc25029ee56b8fe525eb1cc68b3aa4277b5cb66a69bca1f74bff499101f3804b96ec86100e8469f7058ab0d451aceeeff81be8ab6307574eeb5205f28da8a7ca807d4b", 0xb1}, {&(0x7f0000000000)="e8bee2bb5d33d8ab95cce6c06ba3b1bcb2fafea246a14fafa119134f6cd1d368cff3e58d501c0d272dfda86f4026eef846143db109029dfdef3b1ffbda795a28423939061d47fc4b201a268029a6a6cc0ffa045443cd512747913b3e54e4115f927e38d423f9928bcf15aa03e2f6d93943af0d7edd1a67bc1cfdd9dfa967", 0x7e}, {&(0x7f00000002c0)="80ac6527375d1888ec0d7ca8d88a473d02f55d2c4697da727c344f26dda07f60d8b39c59dec62da4ffcb2b2e79af0235ecced45c09810968b0fce7d92e891531a5ad1b5766def20d56d211c1bb07fc23e145ed4a66cfbf856664e69d0f693d2b51c662dc77e009311701c2e8e77a354a59ae486f9a8aa375d31dbb6617ed33d92ebbbcfefd6211263be049104906dcc77488ce09c1cc64f647511f9bf40c201f14ceef2f2bf97251dcf91ad313e980e22c131dc3f69af4e0e4e1e537", 0xbc}, {&(0x7f0000000380)}], 0x5, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 741.512500] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 741.678164] 9pnet_virtio: no channels available for device /dev/zero [ 741.721191] 9pnet_virtio: no channels available for device /dev/zero [ 741.748470] SELinux: failed to load policy 01:52:07 executing program 4: 01:52:07 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:07 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) write$selinux_load(r1, &(0x7f0000000100)={0xf97cff8c, 0x8, 'SE Linux', "983210cc057007c74b0668a5c7845f8522282a4733fd549425a0172aeaf9d0575096f9eb6536a9af84950b856f6967a7a261255f1206ca1e62b776"}, 0x4b) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:52:07 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x4000000000000000, &(0x7f0000000380)=ANY=[]) 01:52:07 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(r4, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:07 executing program 0: sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000180)='/dev/hwrng\x00', 0x5c1000, 0x0) ioctl$TIOCCONS(r0, 0x541d) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000000000)={0x0, 0x6}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1a, &(0x7f0000000100)={r1, 0xf, "21360cc33390b3f3d867b37b483992"}, &(0x7f0000000140)=0x17) preadv(0xffffffffffffffff, &(0x7f00000017c0), 0x1fe, 0x400000000000) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000240)={r0, 0x0, 0x0, 0x34, &(0x7f00000001c0), &(0x7f0000000200)=""/52, 0xa917}, 0x28) 01:52:08 executing program 4: 01:52:08 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x2c00000000000000, &(0x7f0000000380)=ANY=[]) [ 742.024900] 9pnet_virtio: no channels available for device /dev/zero [ 742.050232] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 742.088710] syz-executor3 cpuset=syz3 mems_allowed=0 [ 742.123708] CPU: 0 PID: 2578 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 742.130969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 742.139916] 9pnet_virtio: no channels available for device /dev/zero [ 742.140345] Call Trace: [ 742.149463] dump_stack+0x1c4/0x2b4 [ 742.153120] ? dump_stack_print_info.cold.2+0x52/0x52 [ 742.158345] ? kasan_check_read+0x11/0x20 [ 742.162534] warn_alloc.cold.119+0xb7/0x1bd [ 742.166891] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 742.171769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.177367] __vmalloc_node_range+0x472/0x750 [ 742.181893] ? graph_lock+0x170/0x170 [ 742.185719] ? __lock_is_held+0xb5/0x140 [ 742.189817] ? sel_write_load+0x1d1/0x460 [ 742.193989] vmalloc+0x6f/0x80 [ 742.197204] ? sel_write_load+0x1d1/0x460 [ 742.201373] sel_write_load+0x1d1/0x460 [ 742.205380] __vfs_write+0x119/0x9f0 [ 742.209119] ? check_preemption_disabled+0x48/0x200 [ 742.214171] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 742.219131] ? kernel_read+0x120/0x120 [ 742.223066] ? __lock_is_held+0xb5/0x140 [ 742.227163] ? rcu_read_lock_sched_held+0x108/0x120 [ 742.232204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 742.237761] ? __sb_start_write+0x1b2/0x370 [ 742.242110] vfs_write+0x1fc/0x560 [ 742.245675] ksys_write+0x101/0x260 [ 742.249327] ? __ia32_sys_read+0xb0/0xb0 [ 742.253407] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 742.258889] __x64_sys_write+0x73/0xb0 [ 742.262801] do_syscall_64+0x1b9/0x820 [ 742.266707] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 742.272091] ? syscall_return_slowpath+0x5e0/0x5e0 [ 742.277049] ? trace_hardirqs_on_caller+0x310/0x310 [ 742.282088] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 742.287131] ? recalc_sigpending_tsk+0x180/0x180 [ 742.291906] ? kasan_check_write+0x14/0x20 [ 742.296174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 742.301067] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 742.306276] RIP: 0033:0x457679 [ 742.309483] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 742.328459] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 742.336191] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 742.343484] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 742.350776] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 742.358063] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 742.365349] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:52:08 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x500000000000000, &(0x7f0000000380)=ANY=[]) [ 742.404139] warn_alloc_show_mem: 1 callbacks suppressed [ 742.404145] Mem-Info: [ 742.414498] active_anon:1230720 inactive_anon:369 isolated_anon:0 [ 742.414498] active_file:1034 inactive_file:1024 isolated_file:32 [ 742.414498] unevictable:9387 dirty:18 writeback:0 unstable:0 [ 742.414498] slab_reclaimable:17209 slab_unreclaimable:131519 [ 742.414498] mapped:55537 shmem:385 pagetables:69047 bounce:0 [ 742.414498] free:25197 free_pcp:1112 free_cma:0 [ 742.450105] Node 0 active_anon:4922880kB inactive_anon:1476kB active_file:4636kB inactive_file:4596kB unevictable:37548kB isolated(anon):0kB isolated(file):128kB mapped:222648kB dirty:72kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no 01:52:08 executing program 4: [ 742.492687] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 742.527557] lowmem_reserve[]: 0 2817 6321 6321 01:52:08 executing program 0: sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000200)=[{&(0x7f00000002c0)=""/204, 0xcc}, {&(0x7f0000000a00)=""/4096, 0x1000}, {&(0x7f0000000240)=""/113, 0xffffffffffffff00}], 0x3, 0x400000000000) r0 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x30, 0x40) sendmsg$nl_netfilter(r0, &(0x7f0000000180)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000200}, 0xc, &(0x7f0000000140)={&(0x7f00000003c0)={0xe4, 0x0, 0x5, 0x502, 0x70bd2c, 0x25dfdbff, {0x7, 0x0, 0x8}, [@generic="8a7455d205f5f8225e5af0a7e67cefe9e775fc815a0e14106df2628f9b1fea9b9034056dcaba101f63ff9c636013de33bcba2eac427439c6b84e5021344082691a2a8f66721fc7089f978f95eefdc35078e2ad88b0349bce7557373159ecb8a2d2a13b53bd3cfdc60317b85d6503cc5438c90a5779ef60a308e8ee05b8253e670d70f5774e5e24de3e8fef403567c4a2e1a074ce2cfde64e4b0f312112f5153ccd775e3d0d8468499782bc44bb34229eeef2d87608daaa0b645481d7ef584117f342dcffdecdf08f613b5192bfabb1"]}, 0xe4}, 0x1, 0x0, 0x0, 0x1}, 0x48040) ioctl$EVIOCSABS20(0xffffffffffffffff, 0x401845e0, &(0x7f0000000000)={0x3f, 0x0, 0xe05, 0x15, 0x5, 0x88}) 01:52:08 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x6000, &(0x7f0000000380)=ANY=[]) [ 742.533118] Node 0 DMA32 free:44164kB min:30048kB low:37560kB high:45072kB active_anon:2613600kB inactive_anon:8kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43520kB pagetables:44384kB bounce:0kB free_pcp:2344kB local_pcp:1384kB free_cma:0kB [ 742.627397] lowmem_reserve[]: 0 0 3503 3503 [ 742.637310] Node 0 Normal free:38372kB min:37364kB low:46704kB high:56044kB active_anon:2309256kB inactive_anon:1476kB active_file:5080kB inactive_file:5200kB unevictable:37548kB writepending:116kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:101120kB pagetables:232260kB bounce:0kB free_pcp:1712kB local_pcp:348kB free_cma:0kB [ 742.680228] lowmem_reserve[]: 0 0 0 0 [ 742.684278] 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 [ 742.699949] Node 0 DMA32: 471*4kB (UME) 111*8kB (ME) 30*16kB (ME) 134*32kB (ME) 100*64kB (UME) 52*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 44916kB [ 742.718595] Node 0 Normal: 627*4kB (UMEH) 1974*8kB (ME) 631*16kB (UMEH) 126*32kB (MH) 1*64kB (U) 7*128kB (U) 7*256kB (U) 4*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 38252kB [ 742.738495] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 742.748193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 742.758340] 8025 total pagecache pages [ 742.762856] 0 pages in swap cache [ 742.766814] Swap cache stats: add 0, delete 0, find 0/0 [ 742.772842] Free swap = 0kB [ 742.775882] Total swap = 0kB 01:52:08 executing program 4: 01:52:08 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') preadv(r0, &(0x7f0000000040), 0x1000000000000132, 0x0) 01:52:08 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="397004", 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 742.778910] 1965979 pages RAM [ 742.782892] 0 pages HighMem/MovableOnly [ 742.787455] 342745 pages reserved [ 742.797345] 0 pages cma reserved [ 742.805247] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 742.960942] SELinux: failed to load policy [ 742.965596] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 742.980213] syz-executor3 cpuset=syz3 mems_allowed=0 [ 742.988654] CPU: 1 PID: 2610 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 742.995869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 743.005242] Call Trace: [ 743.007854] dump_stack+0x1c4/0x2b4 [ 743.011509] ? dump_stack_print_info.cold.2+0x52/0x52 [ 743.016744] ? kasan_check_read+0x11/0x20 [ 743.020917] warn_alloc.cold.119+0xb7/0x1bd [ 743.025289] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 743.030156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.035761] __vmalloc_node_range+0x472/0x750 [ 743.040275] ? graph_lock+0x170/0x170 [ 743.044113] ? __lock_is_held+0xb5/0x140 [ 743.048204] ? sel_write_load+0x1d1/0x460 [ 743.052373] vmalloc+0x6f/0x80 [ 743.055588] ? sel_write_load+0x1d1/0x460 [ 743.059761] sel_write_load+0x1d1/0x460 [ 743.063763] __vfs_write+0x119/0x9f0 [ 743.067531] ? check_preemption_disabled+0x48/0x200 [ 743.072567] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 743.077535] ? kernel_read+0x120/0x120 [ 743.081450] ? __lock_is_held+0xb5/0x140 [ 743.085649] ? rcu_read_lock_sched_held+0x108/0x120 [ 743.090695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 743.096246] ? __sb_start_write+0x1b2/0x370 [ 743.100586] vfs_write+0x1fc/0x560 [ 743.104150] ksys_write+0x101/0x260 [ 743.107902] ? __ia32_sys_read+0xb0/0xb0 [ 743.111992] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 743.117559] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 743.123055] ? ksys_ioctl+0x81/0xd0 [ 743.126717] __x64_sys_write+0x73/0xb0 [ 743.130632] do_syscall_64+0x1b9/0x820 [ 743.134578] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 743.139987] ? syscall_return_slowpath+0x5e0/0x5e0 [ 743.144967] ? trace_hardirqs_on_caller+0x310/0x310 [ 743.150030] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 743.155084] ? recalc_sigpending_tsk+0x180/0x180 [ 743.159861] ? kasan_check_write+0x14/0x20 [ 743.164129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 743.169013] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 743.174248] RIP: 0033:0x457679 [ 743.177456] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 743.196394] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 743.204133] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 743.211414] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000008 [ 743.218695] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 743.225976] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 743.233261] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 743.323024] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 743.353565] SELinux: failed to load policy 01:52:09 executing program 4: 01:52:09 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x22, &(0x7f0000000380)=ANY=[]) 01:52:09 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:09 executing program 4: 01:52:09 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='9p\x00', 0x4008, &(0x7f0000000100)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB="2c000b93b70490", @ANYRESHEX=r0, @ANYBLOB=',debug=0x0000000000000009,\x00']) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:52:09 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x4000000000000, &(0x7f0000000380)=ANY=[]) 01:52:09 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:09 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000200)='/selinux/load\x00', 0x2, 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000480)='/dev/full\x00', 0x24004, 0x0) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BLKGETSIZE64(r1, 0x80081272, &(0x7f00000001c0)) creat(&(0x7f0000000180)='./file0\x00', 0x44) clone(0x4000001, 0x0, 0xfffffffffffffffe, &(0x7f0000000240), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f00000004c0)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e3024154496f513b0867350bffd7387850000000000000099909007d2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) ioctl$KVM_X86_GET_MCE_CAP_SUPPORTED(r0, 0x8008ae9d, &(0x7f0000000100)=""/24) ioctl$SG_GET_RESERVED_SIZE(r1, 0x2272, &(0x7f0000000140)) ioctl$TUNSETSNDBUF(0xffffffffffffffff, 0x400454d4, &(0x7f00000000c0)=0x4) lseek(r2, 0x40000000, 0x4000000000) 01:52:09 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x2c00, &(0x7f0000000380)=ANY=[]) 01:52:09 executing program 4: [ 743.921841] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 743.932625] syz-executor3 cpuset=syz3 mems_allowed=0 [ 743.974393] CPU: 0 PID: 2646 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 743.981641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 743.991016] Call Trace: [ 743.993643] dump_stack+0x1c4/0x2b4 [ 743.997340] ? dump_stack_print_info.cold.2+0x52/0x52 [ 744.002605] ? kasan_check_read+0x11/0x20 [ 744.006775] warn_alloc.cold.119+0xb7/0x1bd [ 744.011115] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 744.015980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.021598] __vmalloc_node_range+0x472/0x750 [ 744.026114] ? graph_lock+0x170/0x170 [ 744.029936] ? __lock_is_held+0xb5/0x140 [ 744.034015] ? sel_write_load+0x1d1/0x460 [ 744.038183] vmalloc+0x6f/0x80 [ 744.041386] ? sel_write_load+0x1d1/0x460 [ 744.045591] sel_write_load+0x1d1/0x460 [ 744.049606] __vfs_write+0x119/0x9f0 [ 744.053332] ? check_preemption_disabled+0x48/0x200 [ 744.058361] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 744.063298] ? kernel_read+0x120/0x120 [ 744.067196] ? __lock_is_held+0xb5/0x140 [ 744.071296] ? rcu_read_lock_sched_held+0x108/0x120 [ 744.076321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.081872] ? __sb_start_write+0x1b2/0x370 [ 744.086206] vfs_write+0x1fc/0x560 [ 744.089765] ksys_write+0x101/0x260 [ 744.093415] ? __ia32_sys_read+0xb0/0xb0 [ 744.097483] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 744.102944] ? trace_hardirqs_off+0xb8/0x310 [ 744.107365] __x64_sys_write+0x73/0xb0 [ 744.111262] do_syscall_64+0x1b9/0x820 [ 744.115151] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 744.120533] ? syscall_return_slowpath+0x5e0/0x5e0 [ 744.125476] ? trace_hardirqs_on_caller+0x310/0x310 [ 744.130523] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 744.135562] ? recalc_sigpending_tsk+0x180/0x180 [ 744.140329] ? kasan_check_write+0x14/0x20 [ 744.144583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 744.149444] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 744.154635] RIP: 0033:0x457679 01:52:10 executing program 4: [ 744.157833] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 744.176739] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 744.184456] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 744.191728] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 744.199017] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 744.206302] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 744.213595] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:52:10 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x6000000000000000, &(0x7f0000000380)=ANY=[]) [ 744.333110] warn_alloc_show_mem: 1 callbacks suppressed [ 744.333117] Mem-Info: [ 744.355456] active_anon:1231060 inactive_anon:367 isolated_anon:0 [ 744.355456] active_file:736 inactive_file:1367 isolated_file:32 [ 744.355456] unevictable:9387 dirty:27 writeback:0 unstable:0 [ 744.355456] slab_reclaimable:17461 slab_unreclaimable:131249 [ 744.355456] mapped:55580 shmem:385 pagetables:69288 bounce:0 [ 744.355456] free:25025 free_pcp:565 free_cma:0 [ 744.408765] Node 0 active_anon:4924240kB inactive_anon:1468kB active_file:3844kB inactive_file:5204kB unevictable:37548kB isolated(anon):0kB isolated(file):128kB mapped:222020kB dirty:108kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 744.414536] 9pnet_virtio: no channels available for device /dev/zero [ 744.440351] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 01:52:10 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(r4, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 744.476081] lowmem_reserve[]: 0 2817 6321 6321 [ 744.494849] Node 0 DMA32 free:44588kB min:30048kB low:37560kB high:45072kB active_anon:2613832kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43648kB pagetables:44468kB bounce:0kB free_pcp:264kB local_pcp:0kB free_cma:0kB [ 744.530069] lowmem_reserve[]: 0 0 3503 3503 [ 744.542214] Node 0 Normal free:40376kB min:37364kB low:46704kB high:56044kB active_anon:2309908kB inactive_anon:1468kB active_file:1544kB inactive_file:5388kB unevictable:37548kB writepending:108kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:101632kB pagetables:232684kB bounce:0kB free_pcp:1616kB local_pcp:276kB free_cma:0kB [ 744.583428] lowmem_reserve[]: 0 0 0 0 [ 744.589767] 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 [ 744.616031] Node 0 DMA32: 493*4kB (UME) 127*8kB (UME) 43*16kB (UME) 148*32kB (UME) 86*64kB (UME) 52*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 44892kB [ 744.707115] Node 0 Normal: 606*4kB (MEH) 1994*8kB (UME) 642*16kB (UMEH) 128*32kB (UMH) 0*64kB 1*128kB (U) 5*256kB (U) 7*512kB (U) 2*1024kB (U) 0*2048kB 0*4096kB = 39784kB [ 744.725088] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 744.736327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 744.745777] 6679 total pagecache pages [ 744.751632] 0 pages in swap cache [ 744.760787] Swap cache stats: add 0, delete 0, find 0/0 [ 744.769783] Free swap = 0kB [ 744.774119] Total swap = 0kB [ 744.778435] 1965979 pages RAM [ 744.783139] 0 pages HighMem/MovableOnly [ 744.788551] 342745 pages reserved [ 744.793303] 0 pages cma reserved [ 744.799152] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 744.820535] syz-executor4 cpuset=syz4 mems_allowed=0 [ 744.833991] CPU: 1 PID: 2664 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 744.841210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 744.850595] Call Trace: [ 744.853209] dump_stack+0x1c4/0x2b4 [ 744.856894] ? dump_stack_print_info.cold.2+0x52/0x52 [ 744.862137] ? kasan_check_read+0x11/0x20 [ 744.866324] warn_alloc.cold.119+0xb7/0x1bd [ 744.870683] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 744.875571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.881372] __vmalloc_node_range+0x472/0x750 [ 744.885893] ? graph_lock+0x170/0x170 [ 744.889714] ? __lock_is_held+0xb5/0x140 [ 744.893798] ? sel_write_load+0x1d1/0x460 [ 744.897969] vmalloc+0x6f/0x80 [ 744.901225] ? sel_write_load+0x1d1/0x460 [ 744.905396] sel_write_load+0x1d1/0x460 [ 744.909404] __vfs_write+0x119/0x9f0 [ 744.913137] ? check_preemption_disabled+0x48/0x200 [ 744.918174] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 744.923125] ? kernel_read+0x120/0x120 [ 744.927037] ? __lock_is_held+0xb5/0x140 [ 744.931136] ? rcu_read_lock_sched_held+0x108/0x120 [ 744.936209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 744.941762] ? __sb_start_write+0x1b2/0x370 [ 744.946111] vfs_write+0x1fc/0x560 [ 744.949674] ksys_write+0x101/0x260 [ 744.953323] ? __ia32_sys_read+0xb0/0xb0 [ 744.957408] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 744.962893] __x64_sys_write+0x73/0xb0 [ 744.966800] do_syscall_64+0x1b9/0x820 [ 744.970707] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 744.976113] ? syscall_return_slowpath+0x5e0/0x5e0 [ 744.981065] ? trace_hardirqs_on_caller+0x310/0x310 [ 744.986132] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 744.991185] ? recalc_sigpending_tsk+0x180/0x180 [ 744.995956] ? kasan_check_write+0x14/0x20 [ 745.000213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 745.005107] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 745.010327] RIP: 0033:0x457679 [ 745.013538] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 745.032453] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 745.040192] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 745.047468] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 745.054746] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 745.062016] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 745.069303] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 745.079792] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 745.110901] syz-executor3 cpuset=syz3 mems_allowed=0 [ 745.112608] 9pnet_virtio: no channels available for device /dev/zero [ 745.124498] CPU: 0 PID: 2667 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 745.131725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 745.141100] Call Trace: [ 745.143719] dump_stack+0x1c4/0x2b4 [ 745.147378] ? dump_stack_print_info.cold.2+0x52/0x52 [ 745.152602] ? kasan_check_read+0x11/0x20 [ 745.156779] warn_alloc.cold.119+0xb7/0x1bd [ 745.161130] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 745.165989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.171595] __vmalloc_node_range+0x472/0x750 [ 745.176116] ? graph_lock+0x170/0x170 [ 745.179915] ? __lock_is_held+0xb5/0x140 [ 745.183981] ? sel_write_load+0x1d1/0x460 [ 745.188120] vmalloc+0x6f/0x80 [ 745.191318] ? sel_write_load+0x1d1/0x460 [ 745.195481] sel_write_load+0x1d1/0x460 [ 745.199486] __vfs_write+0x119/0x9f0 [ 745.203215] ? check_preemption_disabled+0x48/0x200 [ 745.208219] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 745.213144] ? kernel_read+0x120/0x120 [ 745.217029] ? __lock_is_held+0xb5/0x140 [ 745.221101] ? rcu_read_lock_sched_held+0x108/0x120 [ 745.226140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 745.231685] ? __sb_start_write+0x1b2/0x370 [ 745.236027] vfs_write+0x1fc/0x560 [ 745.239611] ksys_write+0x101/0x260 [ 745.243252] ? __ia32_sys_read+0xb0/0xb0 [ 745.247351] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 745.252895] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 745.258385] ? ksys_ioctl+0x81/0xd0 [ 745.262061] __x64_sys_write+0x73/0xb0 [ 745.265971] do_syscall_64+0x1b9/0x820 [ 745.269876] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 745.275265] ? syscall_return_slowpath+0x5e0/0x5e0 [ 745.280205] ? trace_hardirqs_on_caller+0x310/0x310 [ 745.285233] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 745.290258] ? recalc_sigpending_tsk+0x180/0x180 [ 745.295023] ? kasan_check_write+0x14/0x20 [ 745.299296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 745.304179] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 745.309381] RIP: 0033:0x457679 [ 745.312592] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 745.331495] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 745.339209] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 745.346492] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 745.353779] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 745.361038] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 745.368315] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 745.383615] warn_alloc_show_mem: 1 callbacks suppressed [ 745.383622] Mem-Info: [ 745.392991] active_anon:1231273 inactive_anon:367 isolated_anon:0 [ 745.392991] active_file:253 inactive_file:691 isolated_file:0 [ 745.392991] unevictable:9387 dirty:9 writeback:0 unstable:0 [ 745.392991] slab_reclaimable:17501 slab_unreclaimable:130953 [ 745.392991] mapped:54539 shmem:385 pagetables:69409 bounce:0 [ 745.392991] free:26159 free_pcp:672 free_cma:0 [ 745.428425] Node 0 active_anon:4925092kB inactive_anon:1468kB active_file:1012kB inactive_file:1980kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:217656kB dirty:36kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 745.458688] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 745.488113] lowmem_reserve[]: 0 2817 6321 6321 [ 745.494196] Node 0 DMA32 free:44884kB min:30048kB low:37560kB high:45072kB active_anon:2613900kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43584kB pagetables:44468kB bounce:0kB free_pcp:264kB local_pcp:0kB free_cma:0kB [ 745.524592] lowmem_reserve[]: 0 0 3503 3503 [ 745.531073] Node 0 Normal free:44852kB min:37364kB low:46704kB high:56044kB active_anon:2310796kB inactive_anon:1468kB active_file:616kB inactive_file:2320kB unevictable:37548kB writepending:0kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:101664kB pagetables:233168kB bounce:0kB free_pcp:1932kB local_pcp:352kB free_cma:0kB [ 745.565938] lowmem_reserve[]: 0 0 0 0 [ 745.571144] 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 [ 745.588392] Node 0 DMA32: 493*4kB (UME) 126*8kB (ME) 43*16kB (UME) 148*32kB (UME) 86*64kB (UME) 52*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 44884kB [ 745.608433] Node 0 Normal: 1612*4kB (UMEH) 1999*8kB (UME) 635*16kB (MEH) 130*32kB (UMH) 2*64kB (U) 1*128kB (U) 6*256kB (U) 8*512kB (U) 2*1024kB (U) 0*2048kB 0*4096kB = 44696kB [ 745.630272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 745.641694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 745.652922] 6072 total pagecache pages [ 745.657956] 0 pages in swap cache [ 745.662656] Swap cache stats: add 0, delete 0, find 0/0 [ 745.671108] Free swap = 0kB [ 745.677623] Total swap = 0kB [ 745.689477] 1965979 pages RAM [ 745.705354] 0 pages HighMem/MovableOnly [ 745.713060] 342745 pages reserved [ 745.723448] 0 pages cma reserved [ 745.730091] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 745.743501] SELinux: failed to load policy 01:52:11 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0xffff1f0000000000, &(0x7f0000000380)=ANY=[]) [ 745.899481] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:52:11 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="397005", 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:11 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(r4, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:12 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x82, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:12 executing program 0: ioctl$sock_FIOGETOWN(0xffffffffffffff9c, 0x8903, &(0x7f0000000040)=0x0) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000002c0)='/proc/sys/net/ipv4/vs/schedule_icmp\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000300)={0x0, 0xe8, "c34e3c454848f21e24daf61864548089d343145c059a3e48bd7bc83f2f7f210a813f39a914cd92453613d4535d4ed00e6c6631408a5702d6e1f806d68e2da183021c9e7d584c49a1138e44ae5a98945ab0e6fc4c493f0b692b0c93a201820243cc4fed079bcf54bcf0bb19359adeb603665b19a8cf7182a3586d7a2c16b3f96b73fba956b506b1deaeb15ef026d674a1974a9e86380fd6fdba1631b5a74934f45b1e60e3660bc82e54c2e7e4e07f51bb42f45e27af80d9a0b2e92ae8ef7c1bf5f3467111622d7d31664046348c1a6f759bf0590c0954a275f3917d2ee1d3a4a30a2afeefbc83e1ca"}, &(0x7f0000000400)=0xf0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f0000000440)={r2, 0x4}, &(0x7f0000000480)=0x8) r3 = syz_open_dev$midi(&(0x7f0000000100)='/dev/midi#\x00', 0x7, 0x1) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r3, 0x6, 0x16, &(0x7f0000000140)=[{0x4, 0x101}, {0x2, 0xafdc}], 0x2) r4 = syz_open_procfs(r0, &(0x7f0000000000)='net/arp\x00') fcntl$setownex(r1, 0xf, &(0x7f00000004c0)={0x2, r0}) ioctl$DRM_IOCTL_GET_UNIQUE(r3, 0xc0106401, &(0x7f0000000200)={0x42, &(0x7f0000000180)=""/66}) getsockopt$inet6_mreq(r3, 0x29, 0x15, &(0x7f0000000240)={@mcast2, 0x0}, &(0x7f0000000280)=0x14) sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@ll={0x11, 0x1b, r5, 0x1, 0xfffffffffffffffe, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r4, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:52:12 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x1fffff, &(0x7f0000000380)=ANY=[]) [ 746.352185] SELinux: failed to load policy [ 746.541785] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 746.554486] syz-executor3 cpuset=syz3 mems_allowed=0 [ 746.561456] CPU: 0 PID: 2687 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 746.568675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 746.578065] Call Trace: [ 746.580677] dump_stack+0x1c4/0x2b4 [ 746.584328] ? dump_stack_print_info.cold.2+0x52/0x52 [ 746.589563] ? kasan_check_read+0x11/0x20 [ 746.593749] warn_alloc.cold.119+0xb7/0x1bd [ 746.598112] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 746.602997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.608613] __vmalloc_node_range+0x472/0x750 [ 746.613164] ? graph_lock+0x170/0x170 [ 746.616986] ? __lock_is_held+0xb5/0x140 [ 746.621098] ? sel_write_load+0x1d1/0x460 [ 746.625280] vmalloc+0x6f/0x80 [ 746.628506] ? sel_write_load+0x1d1/0x460 [ 746.632685] sel_write_load+0x1d1/0x460 [ 746.636680] __vfs_write+0x119/0x9f0 [ 746.640403] ? check_preemption_disabled+0x48/0x200 [ 746.645441] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 746.650391] ? kernel_read+0x120/0x120 [ 746.654300] ? __lock_is_held+0xb5/0x140 [ 746.658411] ? rcu_read_lock_sched_held+0x108/0x120 [ 746.663452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 746.669037] ? __sb_start_write+0x1b2/0x370 [ 746.673427] vfs_write+0x1fc/0x560 [ 746.676992] ksys_write+0x101/0x260 [ 746.680641] ? __ia32_sys_read+0xb0/0xb0 [ 746.684722] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 746.690198] __x64_sys_write+0x73/0xb0 [ 746.694105] do_syscall_64+0x1b9/0x820 [ 746.698027] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 746.703412] ? syscall_return_slowpath+0x5e0/0x5e0 [ 746.708364] ? trace_hardirqs_on_caller+0x310/0x310 [ 746.713401] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 746.718435] ? recalc_sigpending_tsk+0x180/0x180 [ 746.723205] ? kasan_check_write+0x14/0x20 [ 746.727474] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 746.732337] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 746.737565] RIP: 0033:0x457679 [ 746.740778] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 746.759903] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 746.767636] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 746.774917] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 746.782212] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 746.789492] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 746.796780] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 746.830965] Mem-Info: [ 746.838049] active_anon:1231639 inactive_anon:369 isolated_anon:0 [ 746.838049] active_file:308 inactive_file:886 isolated_file:0 [ 746.838049] unevictable:9387 dirty:5 writeback:12 unstable:0 [ 746.838049] slab_reclaimable:17611 slab_unreclaimable:130928 [ 746.838049] mapped:54771 shmem:385 pagetables:69623 bounce:0 [ 746.838049] free:25155 free_pcp:639 free_cma:0 [ 746.884671] Node 0 active_anon:4926556kB inactive_anon:1476kB active_file:1248kB inactive_file:2028kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:217884kB dirty:20kB writeback:48kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 746.935943] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 746.963717] lowmem_reserve[]: 0 2817 6321 6321 [ 746.969649] Node 0 DMA32 free:43460kB min:30048kB low:37560kB high:45072kB active_anon:2613924kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43744kB pagetables:44468kB bounce:0kB free_pcp:552kB local_pcp:20kB free_cma:0kB [ 747.007255] lowmem_reserve[]: 0 0 3503 3503 [ 747.013027] Node 0 Normal free:43224kB min:37364kB low:46704kB high:56044kB active_anon:2312632kB inactive_anon:1476kB active_file:1816kB inactive_file:1604kB unevictable:37548kB writepending:68kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:102048kB pagetables:234024kB bounce:0kB free_pcp:2084kB local_pcp:740kB free_cma:0kB [ 747.046728] lowmem_reserve[]: 0 0 0 0 [ 747.051832] 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 [ 747.067144] Node 0 DMA32: 393*4kB (UME) 124*8kB (UME) 46*16kB (UME) 148*32kB (UME) 78*64kB (ME) 48*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 43492kB [ 747.087132] Node 0 Normal: 1155*4kB (MEH) 1997*8kB (UME) 640*16kB (UMEH) 130*32kB (MH) 5*64kB (U) 3*128kB (U) 3*256kB (U) 8*512kB (U) 3*1024kB (U) 0*2048kB 0*4096kB = 43636kB [ 747.108367] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 747.120469] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 747.130374] 6149 total pagecache pages [ 747.135190] 0 pages in swap cache [ 747.139670] Swap cache stats: add 0, delete 0, find 0/0 [ 747.146229] Free swap = 0kB [ 747.150299] Total swap = 0kB [ 747.154140] 1965979 pages RAM [ 747.158811] 0 pages HighMem/MovableOnly [ 747.163548] 342745 pages reserved [ 747.167728] 0 pages cma reserved [ 747.171937] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 747.192201] syz-executor4 cpuset=syz4 mems_allowed=0 [ 747.197403] CPU: 1 PID: 2695 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 747.204621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 747.213991] Call Trace: [ 747.216608] dump_stack+0x1c4/0x2b4 [ 747.220281] ? dump_stack_print_info.cold.2+0x52/0x52 [ 747.225543] ? kasan_check_read+0x11/0x20 [ 747.229730] warn_alloc.cold.119+0xb7/0x1bd [ 747.234084] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 747.238963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.244567] __vmalloc_node_range+0x472/0x750 [ 747.249111] ? graph_lock+0x170/0x170 [ 747.252930] ? __lock_is_held+0xb5/0x140 [ 747.257014] ? sel_write_load+0x1d1/0x460 [ 747.261202] vmalloc+0x6f/0x80 [ 747.264417] ? sel_write_load+0x1d1/0x460 [ 747.268587] sel_write_load+0x1d1/0x460 [ 747.272590] __vfs_write+0x119/0x9f0 [ 747.276322] ? check_preemption_disabled+0x48/0x200 [ 747.281356] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 747.286320] ? kernel_read+0x120/0x120 [ 747.290237] ? __lock_is_held+0xb5/0x140 [ 747.294349] ? rcu_read_lock_sched_held+0x108/0x120 [ 747.299388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.304945] ? __sb_start_write+0x1b2/0x370 [ 747.309295] vfs_write+0x1fc/0x560 [ 747.312862] ksys_write+0x101/0x260 [ 747.316516] ? __ia32_sys_read+0xb0/0xb0 [ 747.320613] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 747.326102] __x64_sys_write+0x73/0xb0 [ 747.330045] do_syscall_64+0x1b9/0x820 [ 747.333997] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 747.339385] ? syscall_return_slowpath+0x5e0/0x5e0 [ 747.344336] ? trace_hardirqs_on_caller+0x310/0x310 [ 747.349382] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 747.354418] ? recalc_sigpending_tsk+0x180/0x180 [ 747.359191] ? kasan_check_write+0x14/0x20 [ 747.363456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 747.368327] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 747.373542] RIP: 0033:0x457679 [ 747.376755] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 747.395673] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 747.403403] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 747.410690] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 747.417973] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 747.425297] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 747.432726] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 747.444138] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 747.454920] syz-executor3 cpuset=syz3 mems_allowed=0 [ 747.460857] CPU: 1 PID: 2708 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 747.468099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 747.477484] Call Trace: [ 747.480124] dump_stack+0x1c4/0x2b4 [ 747.483784] ? dump_stack_print_info.cold.2+0x52/0x52 [ 747.489009] ? kasan_check_read+0x11/0x20 [ 747.493194] warn_alloc.cold.119+0xb7/0x1bd [ 747.497685] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 747.502569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.508168] __vmalloc_node_range+0x472/0x750 [ 747.512692] ? graph_lock+0x170/0x170 [ 747.516511] ? __lock_is_held+0xb5/0x140 [ 747.520608] ? sel_write_load+0x1d1/0x460 [ 747.524777] vmalloc+0x6f/0x80 [ 747.527987] ? sel_write_load+0x1d1/0x460 [ 747.532155] sel_write_load+0x1d1/0x460 [ 747.536156] __vfs_write+0x119/0x9f0 [ 747.540051] ? check_preemption_disabled+0x48/0x200 [ 747.545098] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 747.550051] ? kernel_read+0x120/0x120 [ 747.553980] ? __lock_is_held+0xb5/0x140 [ 747.558089] ? rcu_read_lock_sched_held+0x108/0x120 [ 747.563151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.568716] ? __sb_start_write+0x1b2/0x370 [ 747.573083] vfs_write+0x1fc/0x560 [ 747.576657] ksys_write+0x101/0x260 [ 747.580356] ? __ia32_sys_read+0xb0/0xb0 [ 747.584445] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 747.590011] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 747.595484] ? ksys_ioctl+0x81/0xd0 [ 747.599147] __x64_sys_write+0x73/0xb0 [ 747.603071] do_syscall_64+0x1b9/0x820 [ 747.606978] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 747.612364] ? syscall_return_slowpath+0x5e0/0x5e0 [ 747.617345] ? trace_hardirqs_on_caller+0x310/0x310 [ 747.622391] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 747.627430] ? recalc_sigpending_tsk+0x180/0x180 [ 747.632206] ? kasan_check_write+0x14/0x20 [ 747.636468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 747.641366] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 747.646577] RIP: 0033:0x457679 [ 747.650100] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 747.669046] RSP: 002b:00007fb249ad6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 747.676789] RAX: ffffffffffffffda RBX: 00007fb249ad76d4 RCX: 0000000000457679 [ 747.684100] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 01:52:13 executing program 0: r0 = fcntl$getown(0xffffffffffffff9c, 0x9) r1 = syz_open_procfs(r0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000080)=@nl, 0xfffffffffffffefd, &(0x7f0000000540), 0x0, &(0x7f0000000000)=ANY=[], 0xfffffffffffffe2b, 0x20000011}, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000400), 0x2000000000000097, 0x2000000) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000280)=ANY=[], &(0x7f0000000040)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, &(0x7f0000001380)=[{&(0x7f0000000180)=""/148, 0x13d}], 0x1, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='net/ip_vs\x00') preadv(r2, &(0x7f0000000480), 0x10000000000001ed, 0x0) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:52:13 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(r4, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:13 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9a842b4abd40bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698b3b90ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) 01:52:13 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:13 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x6b6b6b00, &(0x7f0000000380)=ANY=[]) [ 747.691392] RBP: 000000000072c0e0 R08: 0000000000000000 R09: 0000000000000000 [ 747.698680] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 747.705970] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000003 [ 747.761956] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 747.783318] syz-executor4 cpuset=syz4 mems_allowed=0 [ 747.810511] CPU: 0 PID: 2714 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 747.817804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 747.827183] Call Trace: [ 747.829801] dump_stack+0x1c4/0x2b4 [ 747.833463] ? dump_stack_print_info.cold.2+0x52/0x52 [ 747.838701] ? kasan_check_read+0x11/0x20 [ 747.842882] warn_alloc.cold.119+0xb7/0x1bd [ 747.847234] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 747.852108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.857705] __vmalloc_node_range+0x472/0x750 [ 747.862239] ? graph_lock+0x170/0x170 [ 747.866064] ? __lock_is_held+0xb5/0x140 [ 747.870148] ? sel_write_load+0x1d1/0x460 [ 747.874321] vmalloc+0x6f/0x80 [ 747.877546] ? sel_write_load+0x1d1/0x460 [ 747.881732] sel_write_load+0x1d1/0x460 [ 747.885741] __vfs_write+0x119/0x9f0 [ 747.889479] ? check_preemption_disabled+0x48/0x200 [ 747.894541] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 747.899508] ? kernel_read+0x120/0x120 [ 747.903442] ? __lock_is_held+0xb5/0x140 [ 747.907557] ? rcu_read_lock_sched_held+0x108/0x120 [ 747.912619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 747.918183] ? __sb_start_write+0x1b2/0x370 [ 747.922552] vfs_write+0x1fc/0x560 [ 747.926130] ksys_write+0x101/0x260 [ 747.929797] ? __ia32_sys_read+0xb0/0xb0 [ 747.933887] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 747.939378] __x64_sys_write+0x73/0xb0 [ 747.943294] do_syscall_64+0x1b9/0x820 [ 747.947206] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 747.952607] ? syscall_return_slowpath+0x5e0/0x5e0 [ 747.957587] ? trace_hardirqs_on_caller+0x310/0x310 [ 747.962640] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 747.967686] ? recalc_sigpending_tsk+0x180/0x180 [ 747.972468] ? kasan_check_write+0x14/0x20 [ 747.976742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 747.981631] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 747.986844] RIP: 0033:0x457679 [ 747.990055] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 748.009002] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 748.016741] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 748.024030] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 748.031314] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 748.038608] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 748.045893] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:52:14 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x3f00000000000000, &(0x7f0000000380)=ANY=[]) [ 748.065069] warn_alloc_show_mem: 2 callbacks suppressed [ 748.065084] Mem-Info: [ 748.074142] active_anon:1231794 inactive_anon:369 isolated_anon:0 [ 748.074142] active_file:367 inactive_file:1045 isolated_file:64 [ 748.074142] unevictable:9387 dirty:26 writeback:0 unstable:0 [ 748.074142] slab_reclaimable:17625 slab_unreclaimable:130860 [ 748.074142] mapped:54993 shmem:385 pagetables:69592 bounce:0 [ 748.074142] free:24902 free_pcp:423 free_cma:0 01:52:14 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f0000000200)=[{&(0x7f0000000240)=""/107}, {&(0x7f0000000100)=""/158, 0x11c}, {&(0x7f00000001c0)=""/15}], 0x1e5, 0x400000000000) ioctl$NBD_SET_SIZE(r0, 0xab02, 0xffffffff94dd7530) ioctl$sock_inet_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) 01:52:14 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x200000000000000, &(0x7f0000000380)=ANY=[]) [ 748.235746] Node 0 active_anon:4927276kB inactive_anon:1476kB active_file:2792kB inactive_file:4080kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:220372kB dirty:104kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no 01:52:14 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) r2 = msgget$private(0x0, 0x8) msgrcv(r2, &(0x7f00000001c0)={0x0, ""/168}, 0xb0, 0x2, 0x2800) ioctl$FS_IOC_FSGETXATTR(r0, 0x801c581f, &(0x7f0000000080)={0x7f, 0x3, 0x400000004000, 0x5, 0x9}) getsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000280), &(0x7f0000000300)=0x4) getsockopt$IP_VS_SO_GET_SERVICE(r1, 0x0, 0x483, &(0x7f0000000100), &(0x7f0000000000)=0x68) lseek(r0, 0x0, 0x100000000000000) [ 748.270755] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 748.344996] lowmem_reserve[]: 0 2817 6321 6321 [ 748.350998] Node 0 DMA32 free:43612kB min:30048kB low:37560kB high:45072kB active_anon:2613924kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43744kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 748.461692] lowmem_reserve[]: 0 0 3503 3503 [ 748.467731] Node 0 Normal free:41356kB min:37364kB low:46704kB high:56044kB active_anon:2313056kB inactive_anon:1476kB active_file:2096kB inactive_file:2520kB unevictable:37548kB writepending:104kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:102144kB pagetables:234652kB bounce:0kB free_pcp:1488kB local_pcp:548kB free_cma:0kB [ 748.538630] lowmem_reserve[]: 0 0 0 0 [ 748.555144] 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 [ 748.576958] Node 0 DMA32: 487*4kB (UME) 120*8kB (UME) 47*16kB (UME) 157*32kB (UME) 78*64kB (ME) 43*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 43500kB [ 748.597549] Node 0 Normal: 501*4kB (UMH) 1876*8kB (UME) 646*16kB (UMEH) 136*32kB (UMH) 2*64kB (U) 2*128kB (U) 1*256kB (U) 9*512kB (U) 3*1024kB (U) 0*2048kB 0*4096kB = 40020kB [ 748.617067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 748.639093] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 01:52:14 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x5, &(0x7f0000000380)=ANY=[]) [ 748.699342] 7084 total pagecache pages [ 748.732877] 0 pages in swap cache [ 748.750239] Swap cache stats: add 0, delete 0, find 0/0 [ 748.765886] Free swap = 0kB [ 748.774302] Total swap = 0kB [ 748.780971] 1965979 pages RAM [ 748.801300] 0 pages HighMem/MovableOnly [ 748.814486] 342745 pages reserved [ 748.821701] 9pnet_virtio: no channels available for device /dev/zero [ 748.829429] 0 pages cma reserved [ 748.835046] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 748.844175] 9pnet_virtio: no channels available for device /dev/zero [ 748.848604] syz-executor3 cpuset=syz3 mems_allowed=0 [ 748.898158] CPU: 0 PID: 2746 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 748.905406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 748.914781] Call Trace: [ 748.917389] dump_stack+0x1c4/0x2b4 [ 748.921040] ? dump_stack_print_info.cold.2+0x52/0x52 [ 748.926255] ? kasan_check_read+0x11/0x20 [ 748.930440] warn_alloc.cold.119+0xb7/0x1bd [ 748.934786] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 748.939660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 748.945247] __vmalloc_node_range+0x472/0x750 [ 748.949766] ? graph_lock+0x170/0x170 [ 748.953591] ? __lock_is_held+0xb5/0x140 [ 748.957671] ? sel_write_load+0x1d1/0x460 [ 748.961835] vmalloc+0x6f/0x80 [ 748.965044] ? sel_write_load+0x1d1/0x460 [ 748.969208] sel_write_load+0x1d1/0x460 [ 748.973204] __vfs_write+0x119/0x9f0 [ 748.976936] ? check_preemption_disabled+0x48/0x200 [ 748.981965] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 748.986921] ? kernel_read+0x120/0x120 [ 748.990824] ? __lock_is_held+0xb5/0x140 [ 748.994921] ? rcu_read_lock_sched_held+0x108/0x120 [ 748.999960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.005530] ? __sb_start_write+0x1b2/0x370 [ 749.009877] vfs_write+0x1fc/0x560 [ 749.013438] ksys_write+0x101/0x260 [ 749.017083] ? __ia32_sys_read+0xb0/0xb0 [ 749.021166] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 749.026647] __x64_sys_write+0x73/0xb0 [ 749.030561] do_syscall_64+0x1b9/0x820 [ 749.034470] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 749.039852] ? syscall_return_slowpath+0x5e0/0x5e0 [ 749.044807] ? trace_hardirqs_on_caller+0x310/0x310 [ 749.049853] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 749.054890] ? recalc_sigpending_tsk+0x180/0x180 [ 749.059672] ? kasan_check_write+0x14/0x20 [ 749.063927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 749.068813] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 749.074015] RIP: 0033:0x457679 [ 749.077229] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 749.096157] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 749.103893] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 749.111181] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 749.118481] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 749.125766] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 749.133049] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 749.143971] Mem-Info: [ 749.146557] active_anon:1231928 inactive_anon:367 isolated_anon:0 [ 749.146557] active_file:351 inactive_file:1100 isolated_file:32 [ 749.146557] unevictable:9387 dirty:15 writeback:0 unstable:0 [ 749.146557] slab_reclaimable:17715 slab_unreclaimable:130644 [ 749.146557] mapped:54926 shmem:385 pagetables:69724 bounce:0 [ 749.146557] free:24627 free_pcp:434 free_cma:0 [ 749.193612] Node 0 active_anon:4927712kB inactive_anon:1468kB active_file:1704kB inactive_file:4716kB unevictable:37548kB isolated(anon):0kB isolated(file):128kB mapped:220404kB dirty:60kB writeback:100kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no 01:52:15 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1d3, 0x400000000000) 01:52:15 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x60, &(0x7f0000000380)=ANY=[]) [ 749.238229] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 749.299285] lowmem_reserve[]: 0 2817 6321 6321 [ 749.303970] Node 0 DMA32 free:43524kB min:30048kB low:37560kB high:45072kB active_anon:2613924kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43744kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 749.334922] lowmem_reserve[]: 0 0 3503 3503 01:52:15 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(r4, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) lseek(r0, 0x0, 0x100000000000000) [ 749.341207] Node 0 Normal free:40276kB min:37364kB low:46704kB high:56044kB active_anon:2313788kB inactive_anon:1468kB active_file:3012kB inactive_file:2844kB unevictable:37548kB writepending:60kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:102208kB pagetables:234428kB bounce:0kB free_pcp:420kB local_pcp:128kB free_cma:0kB [ 749.373605] lowmem_reserve[]: 0 0 0 0 [ 749.381824] 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 [ 749.441855] Node 0 DMA32: 487*4kB (UME) 120*8kB (UME) 47*16kB (UME) 159*32kB (UME) 78*64kB (ME) 43*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 43564kB [ 749.502323] Node 0 Normal: 905*4kB (UMH) 1886*8kB (UME) 641*16kB (UMEH) 132*32kB (MH) 0*64kB 1*128kB (U) 0*256kB 7*512kB (U) 3*1024kB (U) 0*2048kB 0*4096kB = 39972kB [ 749.564336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 749.638358] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 749.669585] 6715 total pagecache pages [ 749.676736] 0 pages in swap cache [ 749.689301] Swap cache stats: add 0, delete 0, find 0/0 [ 749.700477] Free swap = 0kB [ 749.703578] Total swap = 0kB [ 749.716840] 1965979 pages RAM [ 749.726964] 0 pages HighMem/MovableOnly [ 749.737269] 342745 pages reserved [ 749.744124] 0 pages cma reserved [ 749.760435] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 749.788455] syz-executor3 cpuset=syz3 mems_allowed=0 [ 749.808202] CPU: 1 PID: 2768 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 749.815455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 749.824833] Call Trace: [ 749.827460] dump_stack+0x1c4/0x2b4 [ 749.831128] ? dump_stack_print_info.cold.2+0x52/0x52 [ 749.836370] ? kasan_check_read+0x11/0x20 [ 749.840564] warn_alloc.cold.119+0xb7/0x1bd [ 749.844910] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 749.849781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.855361] __vmalloc_node_range+0x472/0x750 [ 749.859887] ? graph_lock+0x170/0x170 [ 749.863708] ? __lock_is_held+0xb5/0x140 [ 749.867807] ? sel_write_load+0x1d1/0x460 [ 749.871992] vmalloc+0x6f/0x80 [ 749.875200] ? sel_write_load+0x1d1/0x460 [ 749.879381] sel_write_load+0x1d1/0x460 [ 749.883378] __vfs_write+0x119/0x9f0 [ 749.887117] ? check_preemption_disabled+0x48/0x200 [ 749.892176] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 749.897136] ? kernel_read+0x120/0x120 [ 749.901060] ? __lock_is_held+0xb5/0x140 [ 749.905185] ? rcu_read_lock_sched_held+0x108/0x120 [ 749.910239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 749.915809] ? __sb_start_write+0x1b2/0x370 [ 749.920169] vfs_write+0x1fc/0x560 [ 749.923740] ksys_write+0x101/0x260 [ 749.927391] ? __ia32_sys_read+0xb0/0xb0 [ 749.931503] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 749.937122] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 749.942602] ? ksys_ioctl+0x81/0xd0 [ 749.946265] __x64_sys_write+0x73/0xb0 [ 749.950188] do_syscall_64+0x1b9/0x820 [ 749.954106] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 749.959498] ? syscall_return_slowpath+0x5e0/0x5e0 [ 749.964476] ? trace_hardirqs_on_caller+0x310/0x310 [ 749.969512] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 749.974571] ? recalc_sigpending_tsk+0x180/0x180 [ 749.979346] ? kasan_check_write+0x14/0x20 [ 749.983614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 749.988494] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 749.993712] RIP: 0033:0x457679 [ 749.996927] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 750.015852] RSP: 002b:00007fb249ad6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 750.023612] RAX: ffffffffffffffda RBX: 00007fb249ad76d4 RCX: 0000000000457679 [ 750.030912] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 750.038200] RBP: 000000000072c0e0 R08: 0000000000000000 R09: 0000000000000000 [ 750.045492] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 750.052926] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000003 [ 750.293468] Mem-Info: [ 750.298502] active_anon:1232147 inactive_anon:367 isolated_anon:0 [ 750.298502] active_file:297 inactive_file:546 isolated_file:32 [ 750.298502] unevictable:9387 dirty:15 writeback:0 unstable:0 [ 750.298502] slab_reclaimable:17766 slab_unreclaimable:130309 [ 750.298502] mapped:54566 shmem:385 pagetables:69821 bounce:0 [ 750.298502] free:25254 free_pcp:412 free_cma:0 [ 750.321681] 9pnet_virtio: no channels available for device /dev/zero [ 750.347467] Node 0 active_anon:4928588kB inactive_anon:1468kB active_file:1020kB inactive_file:3260kB unevictable:37548kB isolated(anon):0kB isolated(file):128kB mapped:218664kB dirty:60kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 750.390211] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 750.424315] lowmem_reserve[]: 0 2817 6321 6321 [ 750.432341] Node 0 DMA32 free:43564kB min:30048kB low:37560kB high:45072kB active_anon:2613924kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43712kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 750.465332] lowmem_reserve[]: 0 0 3503 3503 [ 750.474119] Node 0 Normal free:40952kB min:37364kB low:46704kB high:56044kB active_anon:2314768kB inactive_anon:1468kB active_file:1264kB inactive_file:2112kB unevictable:37548kB writepending:60kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:102496kB pagetables:234816kB bounce:0kB free_pcp:1636kB local_pcp:508kB free_cma:0kB [ 750.481818] 9pnet_virtio: no channels available for device /dev/zero [ 750.509765] lowmem_reserve[]: 0 0 0 0 [ 750.520141] 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 [ 750.536556] Node 0 DMA32: 487*4kB (UME) 120*8kB (UME) 47*16kB (UME) 159*32kB (UME) 78*64kB (ME) 43*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 43564kB [ 750.556723] Node 0 Normal: 614*4kB (MH) 1925*8kB (UME) 647*16kB (UMEH) 136*32kB (UMH) 3*64kB (U) 1*128kB (U) 3*256kB (U) 8*512kB (U) 3*1024kB (U) 0*2048kB 0*4096kB = 40816kB [ 750.579783] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 750.591881] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 750.618949] 6434 total pagecache pages [ 750.634196] 0 pages in swap cache [ 750.652258] Swap cache stats: add 0, delete 0, find 0/0 [ 750.667922] Free swap = 0kB [ 750.682252] Total swap = 0kB [ 750.696848] 1965979 pages RAM [ 750.712066] 0 pages HighMem/MovableOnly [ 750.723760] 342745 pages reserved [ 750.734730] 0 pages cma reserved [ 750.742948] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 750.763129] syz-executor4 cpuset=syz4 mems_allowed=0 [ 750.775645] CPU: 1 PID: 2775 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 750.782865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 750.792248] Call Trace: [ 750.794861] dump_stack+0x1c4/0x2b4 [ 750.798519] ? dump_stack_print_info.cold.2+0x52/0x52 [ 750.803752] ? kasan_check_read+0x11/0x20 [ 750.808042] warn_alloc.cold.119+0xb7/0x1bd [ 750.812485] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 750.817373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.822955] __vmalloc_node_range+0x472/0x750 [ 750.827491] ? graph_lock+0x170/0x170 [ 750.831321] ? __lock_is_held+0xb5/0x140 [ 750.835406] ? sel_write_load+0x1d1/0x460 [ 750.839584] vmalloc+0x6f/0x80 [ 750.842798] ? sel_write_load+0x1d1/0x460 [ 750.846979] sel_write_load+0x1d1/0x460 [ 750.850979] __vfs_write+0x119/0x9f0 [ 750.854710] ? check_preemption_disabled+0x48/0x200 [ 750.859758] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 750.864735] ? kernel_read+0x120/0x120 [ 750.868661] ? __lock_is_held+0xb5/0x140 [ 750.872776] ? rcu_read_lock_sched_held+0x108/0x120 [ 750.877845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 750.883400] ? __sb_start_write+0x1b2/0x370 [ 750.887750] vfs_write+0x1fc/0x560 [ 750.891321] ksys_write+0x101/0x260 [ 750.895093] ? __ia32_sys_read+0xb0/0xb0 [ 750.899316] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 750.904801] __x64_sys_write+0x73/0xb0 [ 750.908713] do_syscall_64+0x1b9/0x820 [ 750.912639] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 750.918033] ? syscall_return_slowpath+0x5e0/0x5e0 [ 750.923016] ? trace_hardirqs_on_caller+0x310/0x310 [ 750.928060] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 750.933105] ? recalc_sigpending_tsk+0x180/0x180 [ 750.937875] ? kasan_check_write+0x14/0x20 [ 750.942131] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 750.946997] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 750.952200] RIP: 0033:0x457679 [ 750.955410] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 750.974331] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 750.982083] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 750.989370] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 750.996657] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 751.003945] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 751.011230] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 01:52:17 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:17 executing program 3: r0 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0xffffffff, 0x8000) write$selinux_load(r0, &(0x7f0000000300)={0xf97cff8c, 0x8, 'SE Linux', "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"}, 0x1010) r1 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) write$selinux_load(r1, &(0x7f0000000300)=ANY=[], 0x0) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x2, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) lseek(r1, 0x0, 0x100000000000000) accept4$inet(r2, &(0x7f0000000000)={0x2, 0x0, @dev}, &(0x7f0000000080)=0x10, 0x800) 01:52:17 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x5000000, &(0x7f0000000380)=ANY=[]) [ 751.567326] 9pnet_virtio: no channels available for device /dev/zero [ 751.589544] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 751.601393] syz-executor4 cpuset=syz4 mems_allowed=0 [ 751.607063] CPU: 0 PID: 2788 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 751.614289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 751.623678] Call Trace: [ 751.626286] dump_stack+0x1c4/0x2b4 [ 751.629935] ? dump_stack_print_info.cold.2+0x52/0x52 [ 751.635133] ? kasan_check_read+0x11/0x20 [ 751.639303] warn_alloc.cold.119+0xb7/0x1bd [ 751.643642] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 751.648910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 751.654495] __vmalloc_node_range+0x472/0x750 [ 751.659008] ? graph_lock+0x170/0x170 [ 751.662837] ? __lock_is_held+0xb5/0x140 [ 751.666909] ? sel_write_load+0x1d1/0x460 [ 751.671063] vmalloc+0x6f/0x80 [ 751.674278] ? sel_write_load+0x1d1/0x460 [ 751.678435] sel_write_load+0x1d1/0x460 [ 751.682428] __vfs_write+0x119/0x9f0 [ 751.686144] ? check_preemption_disabled+0x48/0x200 [ 751.691165] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 751.696116] ? kernel_read+0x120/0x120 [ 751.700019] ? __lock_is_held+0xb5/0x140 [ 751.704097] ? rcu_read_lock_sched_held+0x108/0x120 [ 751.709123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 751.714690] ? __sb_start_write+0x1b2/0x370 [ 751.719030] vfs_write+0x1fc/0x560 [ 751.722586] ksys_write+0x101/0x260 [ 751.726222] ? __ia32_sys_read+0xb0/0xb0 [ 751.730296] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 751.735763] __x64_sys_write+0x73/0xb0 [ 751.739675] do_syscall_64+0x1b9/0x820 [ 751.743585] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 751.748956] ? syscall_return_slowpath+0x5e0/0x5e0 [ 751.753908] ? trace_hardirqs_on_caller+0x310/0x310 [ 751.758931] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 751.763947] ? recalc_sigpending_tsk+0x180/0x180 [ 751.768710] ? kasan_check_write+0x14/0x20 [ 751.772982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 751.777874] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 751.783062] RIP: 0033:0x457679 [ 751.786258] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 751.805167] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 751.812885] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 751.820173] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 751.827446] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 751.834715] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 751.841991] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 751.867866] 9pnet_virtio: no channels available for device /dev/zero [ 751.993506] warn_alloc_show_mem: 1 callbacks suppressed [ 751.993513] Mem-Info: [ 752.023566] active_anon:1232302 inactive_anon:369 isolated_anon:0 [ 752.023566] active_file:231 inactive_file:541 isolated_file:32 [ 752.023566] unevictable:9387 dirty:22 writeback:0 unstable:0 [ 752.023566] slab_reclaimable:17840 slab_unreclaimable:130401 [ 752.023566] mapped:54458 shmem:385 pagetables:69914 bounce:0 [ 752.023566] free:24946 free_pcp:114 free_cma:0 [ 752.081827] Node 0 active_anon:4929308kB inactive_anon:1476kB active_file:1080kB inactive_file:2120kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:217732kB dirty:88kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 752.117712] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 752.186159] lowmem_reserve[]: 0 2817 6321 6321 [ 752.195543] Node 0 DMA32 free:43564kB min:30048kB low:37560kB high:45072kB active_anon:2613924kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43712kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 752.257453] lowmem_reserve[]: 0 0 3503 3503 [ 752.263550] Node 0 Normal free:38904kB min:37364kB low:46704kB high:56044kB active_anon:2315284kB inactive_anon:1476kB active_file:272kB inactive_file:1928kB unevictable:37548kB writepending:88kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:102720kB pagetables:235188kB bounce:0kB free_pcp:1256kB local_pcp:820kB free_cma:0kB [ 752.295775] lowmem_reserve[]: 0 0 0 0 [ 752.300103] 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 [ 752.314387] Node 0 DMA32: 487*4kB (UME) 120*8kB (UME) 47*16kB (UME) 159*32kB (UME) 78*64kB (ME) 43*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 43564kB [ 752.331501] Node 0 Normal: 785*4kB (MEH) 1833*8kB (ME) 642*16kB (UMEH) 135*32kB (MH) 1*64kB (U) 0*128kB 0*256kB 8*512kB (U) 3*1024kB (U) 0*2048kB 0*4096kB = 39628kB [ 752.348992] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 752.358747] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 752.368146] 6201 total pagecache pages [ 752.372348] 0 pages in swap cache [ 752.376050] Swap cache stats: add 0, delete 0, find 0/0 [ 752.381794] Free swap = 0kB [ 752.385054] Total swap = 0kB [ 752.388923] 1965979 pages RAM [ 752.400433] 0 pages HighMem/MovableOnly [ 752.405278] 342745 pages reserved [ 752.417257] 0 pages cma reserved [ 752.421632] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 752.434965] syz-executor3 cpuset=syz3 mems_allowed=0 [ 752.443721] CPU: 0 PID: 2794 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 752.450952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 752.460357] Call Trace: [ 752.462989] dump_stack+0x1c4/0x2b4 [ 752.466648] ? dump_stack_print_info.cold.2+0x52/0x52 [ 752.471863] ? kasan_check_read+0x11/0x20 [ 752.476037] warn_alloc.cold.119+0xb7/0x1bd [ 752.480385] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 752.485255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.490839] __vmalloc_node_range+0x472/0x750 [ 752.495353] ? graph_lock+0x170/0x170 [ 752.499174] ? __lock_is_held+0xb5/0x140 [ 752.503255] ? sel_write_load+0x1d1/0x460 [ 752.507433] vmalloc+0x6f/0x80 [ 752.510638] ? sel_write_load+0x1d1/0x460 [ 752.514801] sel_write_load+0x1d1/0x460 [ 752.518792] __vfs_write+0x119/0x9f0 [ 752.522517] ? check_preemption_disabled+0x48/0x200 [ 752.527563] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 752.532537] ? kernel_read+0x120/0x120 [ 752.536454] ? __lock_is_held+0xb5/0x140 [ 752.540529] ? rcu_read_lock_sched_held+0x108/0x120 [ 752.545570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.551109] ? __sb_start_write+0x1b2/0x370 [ 752.555426] vfs_write+0x1fc/0x560 [ 752.558976] ksys_write+0x101/0x260 [ 752.562608] ? __ia32_sys_read+0xb0/0xb0 [ 752.566662] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 752.572125] __x64_sys_write+0x73/0xb0 [ 752.576027] do_syscall_64+0x1b9/0x820 [ 752.579915] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 752.585286] ? syscall_return_slowpath+0x5e0/0x5e0 [ 752.590223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 752.595074] ? trace_hardirqs_on_caller+0x310/0x310 [ 752.600097] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 752.605118] ? prepare_exit_to_usermode+0x291/0x3b0 [ 752.610129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 752.614975] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 752.620176] RIP: 0033:0x457679 [ 752.623368] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 752.642283] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 752.650004] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 752.657284] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 752.664570] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 752.671833] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 752.679100] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 752.704054] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 752.775364] SELinux: failed to load policy [ 752.794760] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 752.811827] syz-executor3 cpuset=syz3 mems_allowed=0 [ 752.822338] CPU: 0 PID: 2794 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 752.829567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 752.838935] Call Trace: [ 752.841545] dump_stack+0x1c4/0x2b4 [ 752.845187] ? dump_stack_print_info.cold.2+0x52/0x52 [ 752.850405] ? kasan_check_read+0x11/0x20 [ 752.854581] warn_alloc.cold.119+0xb7/0x1bd [ 752.858919] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 752.863777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.869349] __vmalloc_node_range+0x472/0x750 [ 752.873854] ? graph_lock+0x170/0x170 [ 752.877658] ? __lock_is_held+0xb5/0x140 [ 752.881730] ? sel_write_load+0x1d1/0x460 [ 752.885915] vmalloc+0x6f/0x80 [ 752.889127] ? sel_write_load+0x1d1/0x460 [ 752.893322] sel_write_load+0x1d1/0x460 [ 752.897326] __vfs_write+0x119/0x9f0 [ 752.901045] ? check_preemption_disabled+0x48/0x200 [ 752.906067] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 752.911010] ? kernel_read+0x120/0x120 [ 752.914921] ? __lock_is_held+0xb5/0x140 [ 752.919017] ? rcu_read_lock_sched_held+0x108/0x120 [ 752.924056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 752.929640] ? __sb_start_write+0x1b2/0x370 [ 752.933971] vfs_write+0x1fc/0x560 [ 752.937528] ksys_write+0x101/0x260 [ 752.941164] ? __ia32_sys_read+0xb0/0xb0 [ 752.945233] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 752.950695] __x64_sys_write+0x73/0xb0 [ 752.954598] do_syscall_64+0x1b9/0x820 [ 752.958502] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 752.963889] ? syscall_return_slowpath+0x5e0/0x5e0 [ 752.968839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 752.973698] ? trace_hardirqs_on_caller+0x310/0x310 [ 752.978724] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 752.983752] ? prepare_exit_to_usermode+0x291/0x3b0 [ 752.988784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 752.993646] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 752.998837] RIP: 0033:0x457679 [ 753.002039] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 753.020947] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 753.028666] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 753.035943] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 753.043216] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 753.050491] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 753.057773] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 753.067657] warn_alloc_show_mem: 1 callbacks suppressed [ 753.067663] Mem-Info: [ 753.076046] active_anon:1232375 inactive_anon:368 isolated_anon:0 [ 753.076046] active_file:274 inactive_file:1029 isolated_file:32 [ 753.076046] unevictable:9387 dirty:9 writeback:13 unstable:0 [ 753.076046] slab_reclaimable:17846 slab_unreclaimable:129998 [ 753.076046] mapped:54810 shmem:385 pagetables:69930 bounce:0 [ 753.076046] free:24525 free_pcp:484 free_cma:0 [ 753.110563] Node 0 active_anon:4929500kB inactive_anon:1472kB active_file:1296kB inactive_file:4416kB unevictable:37548kB isolated(anon):0kB isolated(file):128kB mapped:219540kB dirty:36kB writeback:52kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 753.139952] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 753.166658] lowmem_reserve[]: 0 2817 6321 6321 [ 753.171747] Node 0 DMA32 free:43564kB min:30048kB low:37560kB high:45072kB active_anon:2613924kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43712kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 753.202213] lowmem_reserve[]: 0 0 3503 3503 [ 753.206909] Node 0 Normal free:41148kB min:37364kB low:46704kB high:56044kB active_anon:2315496kB inactive_anon:1472kB active_file:2112kB inactive_file:2324kB unevictable:37548kB writepending:0kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:102688kB pagetables:235252kB bounce:0kB free_pcp:624kB local_pcp:0kB free_cma:0kB [ 753.238843] lowmem_reserve[]: 0 0 0 0 [ 753.243718] 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 [ 753.269547] Node 0 DMA32: 487*4kB (UME) 120*8kB (UME) 47*16kB (UME) 159*32kB (UME) 78*64kB (ME) 43*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 43564kB [ 753.288570] Node 0 Normal: 315*4kB (UMEH) 1781*8kB (UME) 643*16kB (MEH) 146*32kB (UMH) 6*64kB (U) 4*128kB (U) 0*256kB 10*512kB (U) 3*1024kB (U) 0*2048kB 0*4096kB = 39556kB [ 753.305815] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 753.318085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 753.328093] 6068 total pagecache pages [ 753.336885] 0 pages in swap cache [ 753.341716] Swap cache stats: add 0, delete 0, find 0/0 [ 753.348485] Free swap = 0kB [ 753.353315] Total swap = 0kB [ 753.357778] 1965979 pages RAM [ 753.362496] 0 pages HighMem/MovableOnly [ 753.367386] 342745 pages reserved [ 753.372086] 0 pages cma reserved [ 753.475607] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 753.487397] SELinux: failed to load policy 01:52:19 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x2200, &(0x7f0000000380)=ANY=[]) 01:52:19 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)="3970ff", 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:19 executing program 0: r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f00000001c0)="8065742f74637000") sync_file_range(r1, 0x4, 0x2, 0x2) sendmsg(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x10000000000001f6, &(0x7f00000002c0)=ANY=[], 0x0, 0x4}, 0x0) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) ioctl$LOOP_SET_CAPACITY(r1, 0x4c07) prctl$seccomp(0x16, 0x2, &(0x7f0000000600)={0x6, &(0x7f00000005c0)=[{0x4, 0x20, 0xc45e, 0x4}, {0x3f, 0x4, 0x8}, {0x43b5, 0x7fffffff, 0x3, 0x8}, {0x20, 0x101, 0x6, 0x2}, {0x6, 0xc6a, 0x4, 0x1}, {0xff, 0x5, 0x1, 0x2dac6f99}]}) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f00000006c0)={'team0\x00', 0x0}) bind$xdp(r1, &(0x7f0000000680)={0x2c, 0x3, r2, 0x0, r1}, 0x10) syz_mount_image$f2fs(&(0x7f0000000200)='f2fs\x00', &(0x7f0000000240)='./file0\x00', 0x6, 0x4, &(0x7f0000000500)=[{&(0x7f0000000280)="9a75cbe58ef96cddea73fc538f5557c6087c1c036403c94d5e0d10ec126a8e2f7d54d13846800345f24ad5f9997445ad5f3b071cc4f83eb2c9f1519de9189a68240b8cea3bcce9ffbe27b06f5370ffaa60fd19312a3eaf4dc40e99ff5b8773889d58a166cde41ce27acd142305dedde14695319fbc3fb2d3b5a14cfe38cb0c77ed6f13b33097f45feec0ac623e088f5de9a0065a8849ac47da0fced87033a131ee4658e5ce0ebcdbe9cbaddf7e83d43a94a019751f7b00a6c0f6488d90921b74842880db695a3663a09dc13d6e9cc06ab3a79a98dc76f56b", 0xd8, 0xffff}, {&(0x7f0000000380)="96769be74b7bad51bb2aa40a339477c278b6c0261e4342fa3a0f15793a13ca7ce96ed3c367460ae34170e5173bca434d8d0648146fcd1080f59dfb434cd93990ea5811f0eec2ba68b4b01a08cbb0cc878b35ede6912743b4478590df6aef99f886de5011c65a48d328bd7b843ac537dc1a1fc0236b247f5d47d9c1743fd6d5393a7940aad11446527b", 0x89, 0x1}, {&(0x7f0000000440)="3f904aa103c03980f5dea596245d31d48ff6b6c62520e0d615451c51aed1f328e1937b48afcc49cd49b716c8a920cffb528b15", 0x33, 0x80000001}, {&(0x7f0000000480)="668bc2c080c0dfb3e0791d89da9001655df288732d86c9f952ad9ed620b1bc4dbfde77f9f3aabd3635ee4629068f808dbf1c34647a8de2c2200d39ea258d0516e821cb865530ea7a0b32dfff1891de07c224dd23bd6c1b0dd373c68fde74eb2a3cdf8d99f962a133b1664c818229d395abf2b8c7b4b4d5f54bb59660651c", 0x7e, 0x7}], 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB="6e0502000000eeffff6d6c696e65bd2f96c9612c772d626173650e7a33bcd86c057e45b163b6652c000000"]) mount$bpf(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='bpf\x00', 0x8008, &(0x7f0000000140)) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r1, 0x40405515, &(0x7f0000000000)={0x4, 0x7, 0x5, 0x9, 'syz1\x00', 0x1f}) setsockopt$packet_fanout_data(r1, 0x107, 0x16, &(0x7f0000000700)={0x6, &(0x7f0000000640)=[{0x627, 0x247, 0x4, 0xee0}, {0x1f, 0x7fff, 0x8, 0x7fff}, {0xffffffffffffffff, 0x8, 0x1, 0x45bceb8f}, {0x20, 0x80000001, 0x10000, 0x100000001}, {0x3, 0x8, 0xc8, 0x32}, {0x6, 0x8, 0x6, 0x1}]}, 0x10) 01:52:19 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 754.874341] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 754.909738] syz-executor4 cpuset=syz4 mems_allowed=0 [ 754.957429] CPU: 1 PID: 2816 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 754.964664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 754.974054] Call Trace: [ 754.976669] dump_stack+0x1c4/0x2b4 [ 754.980321] ? dump_stack_print_info.cold.2+0x52/0x52 [ 754.985557] ? kasan_check_read+0x11/0x20 [ 754.989743] warn_alloc.cold.119+0xb7/0x1bd [ 754.994092] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 754.998972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 755.004585] __vmalloc_node_range+0x472/0x750 [ 755.009104] ? graph_lock+0x170/0x170 [ 755.012914] ? __lock_is_held+0xb5/0x140 [ 755.016988] ? sel_write_load+0x1d1/0x460 [ 755.021144] vmalloc+0x6f/0x80 [ 755.024356] ? sel_write_load+0x1d1/0x460 [ 755.028519] sel_write_load+0x1d1/0x460 [ 755.032519] __vfs_write+0x119/0x9f0 [ 755.036247] ? check_preemption_disabled+0x48/0x200 [ 755.041264] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 755.046201] ? kernel_read+0x120/0x120 [ 755.050103] ? __lock_is_held+0xb5/0x140 [ 755.054196] ? rcu_read_lock_sched_held+0x108/0x120 [ 755.059239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 755.064784] ? __sb_start_write+0x1b2/0x370 [ 755.069121] vfs_write+0x1fc/0x560 [ 755.072677] ksys_write+0x101/0x260 [ 755.076338] ? __ia32_sys_read+0xb0/0xb0 [ 755.080405] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 755.085960] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 755.091414] ? ksys_ioctl+0x81/0xd0 [ 755.095084] __x64_sys_write+0x73/0xb0 [ 755.098990] do_syscall_64+0x1b9/0x820 [ 755.102899] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 755.108292] ? syscall_return_slowpath+0x5e0/0x5e0 [ 755.113232] ? trace_hardirqs_on_caller+0x310/0x310 [ 755.118252] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 755.123273] ? recalc_sigpending_tsk+0x180/0x180 [ 755.128042] ? kasan_check_write+0x14/0x20 [ 755.132300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 755.137171] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 755.142365] RIP: 0033:0x457679 [ 755.145589] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 755.164496] RSP: 002b:00007f8e2b98cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 755.172239] RAX: ffffffffffffffda RBX: 00007f8e2b98d6d4 RCX: 0000000000457679 [ 755.179512] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 755.186798] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 755.194070] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 755.201350] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 755.320650] Mem-Info: [ 755.345136] active_anon:1232448 inactive_anon:367 isolated_anon:0 [ 755.345136] active_file:258 inactive_file:1069 isolated_file:81 [ 755.345136] unevictable:9387 dirty:16 writeback:2 unstable:0 [ 755.345136] slab_reclaimable:17915 slab_unreclaimable:129822 [ 755.345136] mapped:54832 shmem:385 pagetables:69995 bounce:0 [ 755.345136] free:24647 free_pcp:426 free_cma:0 [ 755.397770] Node 0 active_anon:4929792kB inactive_anon:1468kB active_file:964kB inactive_file:3972kB unevictable:37548kB isolated(anon):0kB isolated(file):316kB mapped:219228kB dirty:64kB writeback:8kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 755.428627] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 755.457972] lowmem_reserve[]: 0 2817 6321 6321 [ 755.465325] Node 0 DMA32 free:43564kB min:30048kB low:37560kB high:45072kB active_anon:2613924kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43712kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 755.497655] lowmem_reserve[]: 0 0 3503 3503 [ 755.503601] Node 0 Normal free:37648kB min:37364kB low:46704kB high:56044kB active_anon:2315868kB inactive_anon:1468kB active_file:1120kB inactive_file:5252kB unevictable:37548kB writepending:72kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:102624kB pagetables:235512kB bounce:0kB free_pcp:1096kB local_pcp:408kB free_cma:0kB 01:52:21 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x8cffffff, &(0x7f0000000380)=ANY=[]) [ 755.621971] lowmem_reserve[]: 0 0 0 0 [ 755.639264] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 755.669297] Node 0 DMA32: 487*4kB (UME) 120*8kB (UME) 47*16kB (UME) 159*32kB (UME) 78*64kB (ME) 43*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 43564kB [ 755.718950] Node 0 Normal: 550*4kB (MH) 1682*8kB (UM) 640*16kB (UMEH) 139*32kB (UMH) 1*64kB (E) 2*128kB (UE) 2*256kB (UE) 10*512kB (UE) 3*1024kB (U) 0*2048kB 0*4096kB = 39368kB [ 755.740835] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 755.795016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 755.839659] 6946 total pagecache pages [ 755.863362] 0 pages in swap cache [ 755.883883] Swap cache stats: add 0, delete 0, find 0/0 [ 755.918789] Free swap = 0kB [ 755.942616] Total swap = 0kB [ 755.951712] 1965979 pages RAM [ 755.967037] 0 pages HighMem/MovableOnly [ 755.989769] 342745 pages reserved [ 756.012606] 0 pages cma reserved [ 756.648378] blkid (2820) used greatest stack depth: 2136 bytes left 01:52:22 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) recvmsg(r4, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:22 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x3f00, &(0x7f0000000380)=ANY=[]) 01:52:23 executing program 5: r0 = accept4$inet(0xffffffffffffff9c, &(0x7f00000002c0)={0x2, 0x0, @local}, &(0x7f0000000300)=0x10, 0x80000) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000340)={0x0, 0xa69}, &(0x7f0000000380)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000500)={r1, @in6={{0xa, 0x4e21, 0x4, @empty, 0xd6e3}}, 0x80000001, 0x0, 0xfffffffffffff785, 0x1, 0x8}, &(0x7f00000003c0)=0x98) r2 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r2, &(0x7f0000000400)=ANY=[@ANYBLOB="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"], 0xd6) ioctl$EXT4_IOC_MOVE_EXT(r2, 0xc028660f, &(0x7f00000005c0)={0x0, r2, 0x5, 0xffff, 0x6, 0x100000001}) r3 = syz_open_dev$sndpcmc(&(0x7f0000000240)='/dev/snd/pcmC#D#c\x00', 0x401, 0x400000) ioctl$KVM_SET_MP_STATE(r3, 0x4004ae99, &(0x7f0000000280)=0x3) r4 = dup3(r2, r2, 0x80000) getsockopt$inet6_opts(r4, 0x29, 0x39, &(0x7f00000001c0)=""/92, &(0x7f0000000140)=0x5c) r5 = openat$full(0xffffffffffffff9c, &(0x7f0000000100)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r5, 0x400454d4, &(0x7f00000000c0)) ioctl$sock_inet6_tcp_SIOCOUTQ(r3, 0x5411, &(0x7f0000000600)) lseek(r2, 0x0, 0x0) 01:52:23 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$sock_ifreq(r1, 0x8917, &(0x7f0000000100)={'syzkaller0\x00', @ifru_settings={0x6, 0x7, @sync=&(0x7f0000000080)={0x8000, 0x5, 0x1}}}) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f00000001c0)='IPVS\x00') sendmsg$IPVS_CMD_GET_INFO(r1, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20008000}, 0xc, &(0x7f0000000240)={&(0x7f00000003c0)={0xac, r2, 0x410, 0x70bd28, 0x25dfdbfb, {}, [@IPVS_CMD_ATTR_SERVICE={0x18, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x20, 0x4}}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x10000}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9}, @IPVS_CMD_ATTR_DAEMON={0x14, 0x3, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x8, 0x7, 0x4e20}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x101}]}, @IPVS_CMD_ATTR_DEST={0x54, 0x2, [@IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0xfffffffffffffffa}, @IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0xfffffffffffffff7}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x90ae}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@ipv4={[], [], @remote}}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x101}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@local}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x4}]}]}, 0xac}}, 0x40044) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f0000000200)) lseek(r0, 0x0, 0x100000000000000) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r1, 0x408c5333, &(0x7f0000000300)={0xb1, 0x1, 0x6, 'queue1\x00', 0x7fffffff}) ioctl$TUNGETVNETHDRSZ(r1, 0x800454d7, &(0x7f0000000140)) ioctl$BINDER_SET_CONTEXT_MGR(r1, 0x40046207, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x2, 0x0) [ 757.671289] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 757.690521] syz-executor4 cpuset=syz4 mems_allowed=0 [ 757.697151] CPU: 0 PID: 2835 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 757.704369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 757.713725] Call Trace: [ 757.716334] dump_stack+0x1c4/0x2b4 [ 757.720009] ? dump_stack_print_info.cold.2+0x52/0x52 [ 757.725231] ? kasan_check_read+0x11/0x20 [ 757.729403] warn_alloc.cold.119+0xb7/0x1bd [ 757.733767] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 757.738634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.744207] __vmalloc_node_range+0x472/0x750 [ 757.748712] ? graph_lock+0x170/0x170 [ 757.752514] ? __lock_is_held+0xb5/0x140 [ 757.756604] ? sel_write_load+0x1d1/0x460 [ 757.760762] vmalloc+0x6f/0x80 [ 757.763963] ? sel_write_load+0x1d1/0x460 [ 757.768129] sel_write_load+0x1d1/0x460 [ 757.772119] __vfs_write+0x119/0x9f0 [ 757.775835] ? check_preemption_disabled+0x48/0x200 [ 757.780856] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 757.785792] ? kernel_read+0x120/0x120 [ 757.789697] ? __lock_is_held+0xb5/0x140 [ 757.793781] ? rcu_read_lock_sched_held+0x108/0x120 [ 757.798803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.804355] ? __sb_start_write+0x1b2/0x370 [ 757.808692] vfs_write+0x1fc/0x560 [ 757.812245] ksys_write+0x101/0x260 [ 757.815899] ? __ia32_sys_read+0xb0/0xb0 [ 757.819982] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 757.825444] __x64_sys_write+0x73/0xb0 [ 757.829337] do_syscall_64+0x1b9/0x820 [ 757.833262] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 757.838632] ? syscall_return_slowpath+0x5e0/0x5e0 [ 757.843585] ? trace_hardirqs_on_caller+0x310/0x310 [ 757.848621] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 757.853640] ? recalc_sigpending_tsk+0x180/0x180 [ 757.858418] ? kasan_check_write+0x14/0x20 [ 757.862679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 757.867556] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 757.872754] RIP: 0033:0x457679 [ 757.875961] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 757.894863] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 757.902578] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 757.909853] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 757.917121] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 757.924426] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 757.931700] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 758.078792] Mem-Info: [ 758.082462] active_anon:1232643 inactive_anon:369 isolated_anon:0 [ 758.082462] active_file:358 inactive_file:905 isolated_file:26 [ 758.082462] unevictable:9387 dirty:14 writeback:0 unstable:0 [ 758.082462] slab_reclaimable:17993 slab_unreclaimable:129418 [ 758.082462] mapped:54763 shmem:385 pagetables:70053 bounce:0 [ 758.082462] free:24785 free_pcp:302 free_cma:0 [ 758.130933] Node 0 active_anon:4930772kB inactive_anon:1476kB active_file:1636kB inactive_file:3576kB unevictable:37548kB isolated(anon):0kB isolated(file):128kB mapped:218952kB dirty:56kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 758.169098] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 758.214809] lowmem_reserve[]: 0 2817 6321 6321 [ 758.251790] Node 0 DMA32 free:43684kB min:30048kB low:37560kB high:45072kB active_anon:2613924kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43712kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 758.288818] lowmem_reserve[]: 0 0 3503 3503 [ 758.301743] Node 0 Normal free:37776kB min:37364kB low:46704kB high:56044kB active_anon:2316548kB inactive_anon:1476kB active_file:1396kB inactive_file:4696kB unevictable:37548kB writepending:56kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:102944kB pagetables:235744kB bounce:0kB free_pcp:1236kB local_pcp:716kB free_cma:0kB [ 758.486899] lowmem_reserve[]: 0 0 0 0 [ 758.503560] 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 [ 758.557815] Node 0 DMA32: 487*4kB (UME) 145*8kB (UME) 47*16kB (UME) 159*32kB (UME) 78*64kB (ME) 43*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 43764kB [ 758.595360] Node 0 Normal: 367*4kB (UMH) 1723*8kB (UM) 641*16kB (UMH) 146*32kB (UMEH) 3*64kB (UE) 1*128kB (E) 2*256kB (U) 10*512kB (UE) 3*1024kB (U) 0*2048kB 0*4096kB = 39204kB [ 758.695234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 758.741061] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 758.752508] 6630 total pagecache pages [ 758.762116] 0 pages in swap cache [ 758.767676] Swap cache stats: add 0, delete 0, find 0/0 [ 758.785753] Free swap = 0kB [ 758.793400] Total swap = 0kB [ 758.818159] 1965979 pages RAM [ 758.838568] 0 pages HighMem/MovableOnly [ 758.860308] 342745 pages reserved [ 758.876380] 0 pages cma reserved 01:52:25 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:25 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x700000000000000, &(0x7f0000000380)=ANY=[]) [ 759.689016] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c 01:52:25 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(r4, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 759.974143] SELinux: failed to load policy 01:52:26 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x2200000000000000, &(0x7f0000000380)=ANY=[]) [ 760.355500] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 760.367757] syz-executor4 cpuset=syz4 mems_allowed=0 [ 760.373511] CPU: 1 PID: 2858 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 760.380735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 760.390114] Call Trace: [ 760.392723] dump_stack+0x1c4/0x2b4 [ 760.396376] ? dump_stack_print_info.cold.2+0x52/0x52 [ 760.401596] ? kasan_check_read+0x11/0x20 [ 760.405776] warn_alloc.cold.119+0xb7/0x1bd [ 760.410222] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 760.415091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.420668] __vmalloc_node_range+0x472/0x750 [ 760.425209] ? graph_lock+0x170/0x170 [ 760.429015] ? __lock_is_held+0xb5/0x140 [ 760.433110] ? sel_write_load+0x1d1/0x460 [ 760.437275] vmalloc+0x6f/0x80 [ 760.440477] ? sel_write_load+0x1d1/0x460 [ 760.444633] sel_write_load+0x1d1/0x460 [ 760.448644] __vfs_write+0x119/0x9f0 [ 760.452363] ? check_preemption_disabled+0x48/0x200 [ 760.457393] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 760.462339] ? kernel_read+0x120/0x120 [ 760.466236] ? __lock_is_held+0xb5/0x140 [ 760.470339] ? rcu_read_lock_sched_held+0x108/0x120 [ 760.475365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.480910] ? __sb_start_write+0x1b2/0x370 [ 760.485242] vfs_write+0x1fc/0x560 [ 760.488794] ksys_write+0x101/0x260 [ 760.492435] ? __ia32_sys_read+0xb0/0xb0 [ 760.496515] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 760.502072] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 760.507541] ? ksys_ioctl+0x81/0xd0 [ 760.511203] __x64_sys_write+0x73/0xb0 [ 760.515107] do_syscall_64+0x1b9/0x820 [ 760.519000] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 760.524369] ? syscall_return_slowpath+0x5e0/0x5e0 [ 760.529302] ? trace_hardirqs_on_caller+0x310/0x310 [ 760.534322] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 760.539341] ? recalc_sigpending_tsk+0x180/0x180 [ 760.544116] ? kasan_check_write+0x14/0x20 [ 760.548363] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 760.553223] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 760.558412] RIP: 0033:0x457679 [ 760.561613] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 760.580513] RSP: 002b:00007f8e2b98cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 760.588235] RAX: ffffffffffffffda RBX: 00007f8e2b98d6d4 RCX: 0000000000457679 [ 760.595517] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 760.602802] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 760.610088] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 760.617361] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 760.660350] Mem-Info: [ 760.668189] active_anon:1232968 inactive_anon:367 isolated_anon:0 [ 760.668189] active_file:368 inactive_file:1248 isolated_file:54 [ 760.668189] unevictable:9387 dirty:11 writeback:0 unstable:0 [ 760.668189] slab_reclaimable:18049 slab_unreclaimable:128923 [ 760.668189] mapped:54820 shmem:385 pagetables:70157 bounce:0 [ 760.668189] free:24519 free_pcp:166 free_cma:0 [ 760.705334] Node 0 active_anon:4931872kB inactive_anon:1468kB active_file:2272kB inactive_file:3116kB unevictable:37548kB isolated(anon):0kB isolated(file):128kB mapped:219280kB dirty:44kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 760.761872] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 760.845429] lowmem_reserve[]: 0 2817 6321 6321 [ 760.852561] Node 0 DMA32 free:43572kB min:30048kB low:37560kB high:45072kB active_anon:2613928kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43808kB pagetables:44468kB bounce:0kB free_pcp:500kB local_pcp:148kB free_cma:0kB [ 760.930388] lowmem_reserve[]: 0 0 3503 3503 [ 760.959062] Node 0 Normal free:38496kB min:37364kB low:46704kB high:56044kB active_anon:2317944kB inactive_anon:1468kB active_file:916kB inactive_file:3232kB unevictable:37548kB writepending:44kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:103072kB pagetables:236160kB bounce:0kB free_pcp:1984kB local_pcp:644kB free_cma:0kB [ 760.995660] lowmem_reserve[]: 0 0 0 0 [ 761.001481] 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 [ 761.025464] Node 0 DMA32: 484*4kB (UME) 192*8kB (UME) 48*16kB (UME) 155*32kB (UME) 78*64kB (ME) 43*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 44016kB [ 761.046701] Node 0 Normal: 152*4kB (UMEH) 1819*8kB (UM) 647*16kB (UMEH) 149*32kB (UMEH) 2*64kB (U) 2*128kB (UE) 1*256kB (U) 10*512kB (UE) 3*1024kB (U) 0*2048kB 0*4096kB = 39112kB [ 761.069482] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 761.090825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 761.101860] 6390 total pagecache pages [ 761.107056] 0 pages in swap cache [ 761.134362] Swap cache stats: add 0, delete 0, find 0/0 [ 761.168630] Free swap = 0kB [ 761.175192] Total swap = 0kB [ 761.196763] 1965979 pages RAM [ 761.205082] 0 pages HighMem/MovableOnly [ 761.213045] 342745 pages reserved [ 761.218522] 0 pages cma reserved [ 761.225258] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 761.251378] syz-executor3 cpuset=syz3 mems_allowed=0 [ 761.299042] CPU: 0 PID: 2860 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 761.306262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 761.315642] Call Trace: [ 761.318245] dump_stack+0x1c4/0x2b4 [ 761.321895] ? dump_stack_print_info.cold.2+0x52/0x52 [ 761.327112] ? kasan_check_read+0x11/0x20 [ 761.331298] warn_alloc.cold.119+0xb7/0x1bd [ 761.335635] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 761.340498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.346094] __vmalloc_node_range+0x472/0x750 [ 761.350618] ? graph_lock+0x170/0x170 [ 761.354434] ? __lock_is_held+0xb5/0x140 [ 761.358538] ? sel_write_load+0x1d1/0x460 [ 761.362726] vmalloc+0x6f/0x80 [ 761.365944] ? sel_write_load+0x1d1/0x460 [ 761.370107] sel_write_load+0x1d1/0x460 [ 761.374108] __vfs_write+0x119/0x9f0 [ 761.377834] ? check_preemption_disabled+0x48/0x200 [ 761.382869] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 761.387816] ? kernel_read+0x120/0x120 [ 761.391737] ? __lock_is_held+0xb5/0x140 [ 761.395835] ? rcu_read_lock_sched_held+0x108/0x120 [ 761.400868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.406418] ? __sb_start_write+0x1b2/0x370 [ 761.410762] vfs_write+0x1fc/0x560 [ 761.414328] ksys_write+0x101/0x260 [ 761.417980] ? __ia32_sys_read+0xb0/0xb0 [ 761.422057] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 761.427544] __x64_sys_write+0x73/0xb0 [ 761.431457] do_syscall_64+0x1b9/0x820 [ 761.435358] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 761.435430] 9pnet_virtio: no channels available for device /dev/zero [ 761.440738] ? syscall_return_slowpath+0x5e0/0x5e0 [ 761.440759] ? trace_hardirqs_on_caller+0x310/0x310 [ 761.440778] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 761.440795] ? recalc_sigpending_tsk+0x180/0x180 [ 761.440810] ? kasan_check_write+0x14/0x20 [ 761.440839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 761.476154] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 761.481378] RIP: 0033:0x457679 [ 761.484601] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 761.503517] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 761.507703] 9pnet_virtio: no channels available for device /dev/zero [ 761.511282] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 761.511293] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 761.511316] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 761.511338] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 761.511348] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 761.535422] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 761.621748] syz-executor3 cpuset=syz3 mems_allowed=0 [ 761.632760] CPU: 0 PID: 2864 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 761.639986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 761.649766] Call Trace: [ 761.652369] dump_stack+0x1c4/0x2b4 [ 761.656013] ? dump_stack_print_info.cold.2+0x52/0x52 [ 761.661227] ? kasan_check_read+0x11/0x20 [ 761.665390] warn_alloc.cold.119+0xb7/0x1bd [ 761.669720] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 761.674576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.680151] __vmalloc_node_range+0x472/0x750 [ 761.684670] ? graph_lock+0x170/0x170 [ 761.688474] ? __lock_is_held+0xb5/0x140 [ 761.692553] ? sel_write_load+0x1d1/0x460 [ 761.696727] vmalloc+0x6f/0x80 [ 761.699928] ? sel_write_load+0x1d1/0x460 [ 761.704082] sel_write_load+0x1d1/0x460 [ 761.708067] __vfs_write+0x119/0x9f0 [ 761.711786] ? check_preemption_disabled+0x48/0x200 [ 761.716834] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 761.721771] ? kernel_read+0x120/0x120 [ 761.725669] ? __lock_is_held+0xb5/0x140 [ 761.729749] ? rcu_read_lock_sched_held+0x108/0x120 [ 761.734773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.740327] ? __sb_start_write+0x1b2/0x370 [ 761.744654] vfs_write+0x1fc/0x560 [ 761.748216] ksys_write+0x101/0x260 [ 761.751852] ? __ia32_sys_read+0xb0/0xb0 [ 761.755937] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 761.761411] __x64_sys_write+0x73/0xb0 [ 761.765308] do_syscall_64+0x1b9/0x820 [ 761.769217] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 761.774612] ? syscall_return_slowpath+0x5e0/0x5e0 [ 761.779560] ? trace_hardirqs_on_caller+0x310/0x310 [ 761.784605] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 761.789625] ? recalc_sigpending_tsk+0x180/0x180 [ 761.794384] ? kasan_check_write+0x14/0x20 [ 761.798631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 761.803489] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 761.808683] RIP: 0033:0x457679 [ 761.811886] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 761.830794] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 761.838509] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 761.845785] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 761.853064] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 761.860332] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 761.867606] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 761.885459] warn_alloc_show_mem: 1 callbacks suppressed [ 761.885464] Mem-Info: [ 761.894395] active_anon:1233019 inactive_anon:367 isolated_anon:0 [ 761.894395] active_file:489 inactive_file:559 isolated_file:32 [ 761.894395] unevictable:9387 dirty:18 writeback:0 unstable:0 [ 761.894395] slab_reclaimable:18053 slab_unreclaimable:129113 [ 761.894395] mapped:54671 shmem:385 pagetables:70174 bounce:0 [ 761.894395] free:24529 free_pcp:240 free_cma:0 [ 761.929851] Node 0 active_anon:4932076kB inactive_anon:1468kB active_file:1328kB inactive_file:3644kB unevictable:37548kB isolated(anon):0kB isolated(file):224kB mapped:219184kB dirty:72kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 761.959802] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 761.986850] lowmem_reserve[]: 0 2817 6321 6321 [ 761.992934] Node 0 DMA32 free:44048kB min:30048kB low:37560kB high:45072kB active_anon:2613928kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43808kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 762.061241] lowmem_reserve[]: 0 0 3503 3503 [ 762.093474] Node 0 Normal free:38276kB min:37364kB low:46704kB high:56044kB active_anon:2318148kB inactive_anon:1468kB active_file:352kB inactive_file:3204kB unevictable:37548kB writepending:72kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:103072kB pagetables:236228kB bounce:0kB free_pcp:1688kB local_pcp:284kB free_cma:0kB [ 762.149125] lowmem_reserve[]: 0 0 0 0 [ 762.154133] 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 [ 762.171057] Node 0 DMA32: 484*4kB (UME) 200*8kB (UME) 48*16kB (UME) 156*32kB (UME) 78*64kB (ME) 43*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 44112kB [ 762.191099] Node 0 Normal: 408*4kB (UMH) 1902*8kB (UME) 645*16kB (MH) 144*32kB (UMEH) 2*64kB (U) 1*128kB (U) 1*256kB (U) 10*512kB (UE) 3*1024kB (U) 0*2048kB 0*4096kB = 40480kB [ 762.211997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 762.234310] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 762.246249] 6509 total pagecache pages [ 762.263254] 0 pages in swap cache [ 762.268394] Swap cache stats: add 0, delete 0, find 0/0 [ 762.279368] Free swap = 0kB [ 762.283906] Total swap = 0kB [ 762.288558] 1965979 pages RAM [ 762.294209] 0 pages HighMem/MovableOnly [ 762.302807] 342745 pages reserved [ 762.308385] 0 pages cma reserved 01:52:28 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x3f000000, &(0x7f0000000380)=ANY=[]) 01:52:28 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(r4, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 762.894753] 9pnet_virtio: no channels available for device /dev/zero [ 763.285666] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 763.298660] SELinux: failed to load policy 01:52:29 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:29 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x4000000, &(0x7f0000000380)=ANY=[]) [ 764.406681] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 764.420193] syz-executor4 cpuset=syz4 mems_allowed=0 [ 764.441521] CPU: 1 PID: 2889 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 764.448772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 764.458149] Call Trace: [ 764.460747] dump_stack+0x1c4/0x2b4 [ 764.464385] ? dump_stack_print_info.cold.2+0x52/0x52 [ 764.469591] ? kasan_check_read+0x11/0x20 [ 764.473756] warn_alloc.cold.119+0xb7/0x1bd [ 764.478107] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 764.482967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 764.488549] __vmalloc_node_range+0x472/0x750 [ 764.493055] ? graph_lock+0x170/0x170 [ 764.496864] ? __lock_is_held+0xb5/0x140 [ 764.500950] ? sel_write_load+0x1d1/0x460 [ 764.505107] vmalloc+0x6f/0x80 [ 764.508320] ? sel_write_load+0x1d1/0x460 [ 764.512489] sel_write_load+0x1d1/0x460 [ 764.516483] __vfs_write+0x119/0x9f0 [ 764.520203] ? check_preemption_disabled+0x48/0x200 [ 764.525225] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 764.530175] ? kernel_read+0x120/0x120 [ 764.534071] ? __lock_is_held+0xb5/0x140 [ 764.538153] ? rcu_read_lock_sched_held+0x108/0x120 [ 764.543182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 764.548739] ? __sb_start_write+0x1b2/0x370 [ 764.553076] vfs_write+0x1fc/0x560 [ 764.556638] ksys_write+0x101/0x260 [ 764.560274] ? __ia32_sys_read+0xb0/0xb0 [ 764.564347] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 764.569813] __x64_sys_write+0x73/0xb0 [ 764.573716] do_syscall_64+0x1b9/0x820 [ 764.577638] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 764.583034] ? syscall_return_slowpath+0x5e0/0x5e0 [ 764.587983] ? trace_hardirqs_on_caller+0x310/0x310 [ 764.593004] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 764.598030] ? recalc_sigpending_tsk+0x180/0x180 [ 764.602796] ? kasan_check_write+0x14/0x20 [ 764.607047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 764.611909] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 764.617108] RIP: 0033:0x457679 [ 764.620320] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 764.639225] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 764.646948] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 764.654224] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 764.661495] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 764.668778] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 764.676057] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 764.729632] Mem-Info: [ 764.743261] active_anon:1233325 inactive_anon:367 isolated_anon:0 [ 764.743261] active_file:469 inactive_file:674 isolated_file:39 [ 764.743261] unevictable:9387 dirty:8 writeback:0 unstable:0 [ 764.743261] slab_reclaimable:18097 slab_unreclaimable:128750 [ 764.743261] mapped:54782 shmem:385 pagetables:70285 bounce:0 [ 764.743261] free:24420 free_pcp:191 free_cma:0 [ 764.785847] Node 0 active_anon:4933300kB inactive_anon:1468kB active_file:1568kB inactive_file:3164kB unevictable:37548kB isolated(anon):0kB isolated(file):412kB mapped:219328kB dirty:32kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 764.829909] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 764.873877] lowmem_reserve[]: 0 2817 6321 6321 [ 764.879311] Node 0 DMA32 free:44304kB min:30048kB low:37560kB high:45072kB active_anon:2613928kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43744kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 764.919915] lowmem_reserve[]: 0 0 3503 3503 [ 764.922600] 9pnet_virtio: no channels available for device /dev/zero [ 764.924792] Node 0 [ 764.932253] 9pnet_virtio: no channels available for device /dev/zero [ 764.942961] Normal free:37772kB min:37364kB low:46704kB high:56044kB active_anon:2319376kB inactive_anon:1468kB active_file:532kB inactive_file:4116kB unevictable:37548kB writepending:32kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:103360kB pagetables:236672kB bounce:0kB free_pcp:1112kB local_pcp:548kB free_cma:0kB [ 764.978278] lowmem_reserve[]: 0 0 0 0 [ 765.008300] 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 [ 765.059428] Node 0 DMA32: 471*4kB (UME) 256*8kB (UME) 48*16kB (UME) 153*32kB (UME) 79*64kB (UME) 42*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 44348kB [ 765.118574] Node 0 Normal: 424*4kB (UMEH) 1887*8kB (UM) 648*16kB (MH) 155*32kB (UMEH) 3*64kB (UE) 1*128kB (E) 2*256kB (UE) 8*512kB (U) 3*1024kB (U) 0*2048kB 0*4096kB = 40120kB [ 765.135264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 765.145260] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 765.154567] 6142 total pagecache pages [ 765.159034] 0 pages in swap cache [ 765.163522] Swap cache stats: add 0, delete 0, find 0/0 [ 765.170000] Free swap = 0kB [ 765.173396] Total swap = 0kB [ 765.178689] 1965979 pages RAM [ 765.183985] 0 pages HighMem/MovableOnly [ 765.189406] 342745 pages reserved [ 765.194624] 0 pages cma reserved 01:52:30 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x1, 0x0) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 765.505469] 9pnet_virtio: no channels available for device /dev/zero 01:52:32 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0xfffffff6, &(0x7f0000000380)=ANY=[]) [ 766.325837] 9pnet_virtio: no channels available for device /dev/zero [ 766.335460] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 766.403733] syz-executor3 cpuset=syz3 mems_allowed=0 [ 766.425646] CPU: 1 PID: 2903 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 766.432897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 766.442268] Call Trace: [ 766.444887] dump_stack+0x1c4/0x2b4 [ 766.448554] ? dump_stack_print_info.cold.2+0x52/0x52 [ 766.453782] ? kasan_check_read+0x11/0x20 [ 766.457964] warn_alloc.cold.119+0xb7/0x1bd [ 766.462309] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 766.467196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 766.472800] __vmalloc_node_range+0x472/0x750 [ 766.477322] ? graph_lock+0x170/0x170 [ 766.481139] ? __lock_is_held+0xb5/0x140 [ 766.485220] ? sel_write_load+0x1d1/0x460 [ 766.489390] vmalloc+0x6f/0x80 [ 766.492615] ? sel_write_load+0x1d1/0x460 [ 766.496782] sel_write_load+0x1d1/0x460 [ 766.500795] __vfs_write+0x119/0x9f0 [ 766.504550] ? check_preemption_disabled+0x48/0x200 [ 766.509612] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 766.514574] ? kernel_read+0x120/0x120 [ 766.518495] ? __lock_is_held+0xb5/0x140 [ 766.522597] ? rcu_read_lock_sched_held+0x108/0x120 [ 766.527636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 766.533201] ? __sb_start_write+0x1b2/0x370 [ 766.537549] vfs_write+0x1fc/0x560 [ 766.541113] ksys_write+0x101/0x260 [ 766.544756] ? __ia32_sys_read+0xb0/0xb0 [ 766.548823] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 766.554375] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 766.559834] ? ksys_ioctl+0x81/0xd0 [ 766.563476] __x64_sys_write+0x73/0xb0 [ 766.567377] do_syscall_64+0x1b9/0x820 [ 766.571271] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 766.576666] ? syscall_return_slowpath+0x5e0/0x5e0 [ 766.581627] ? trace_hardirqs_on_caller+0x310/0x310 [ 766.586658] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 766.591687] ? recalc_sigpending_tsk+0x180/0x180 [ 766.596453] ? kasan_check_write+0x14/0x20 [ 766.600720] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 766.605595] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 766.610789] RIP: 0033:0x457679 [ 766.613995] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 766.632905] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 766.640634] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 766.647912] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 766.655190] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 766.662466] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 766.669744] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 766.739111] Mem-Info: [ 766.744491] active_anon:1233404 inactive_anon:366 isolated_anon:0 [ 766.744491] active_file:364 inactive_file:635 isolated_file:52 [ 766.744491] unevictable:9387 dirty:8 writeback:0 unstable:0 [ 766.744491] slab_reclaimable:18139 slab_unreclaimable:128407 [ 766.744491] mapped:54629 shmem:385 pagetables:70302 bounce:0 [ 766.744491] free:24493 free_pcp:548 free_cma:0 [ 766.779955] Node 0 active_anon:4933616kB inactive_anon:1464kB active_file:1456kB inactive_file:1700kB unevictable:37548kB isolated(anon):0kB isolated(file):208kB mapped:218116kB dirty:32kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 766.813758] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 766.886141] lowmem_reserve[]: 0 2817 6321 6321 [ 766.892367] Node 0 DMA32 free:44000kB min:30048kB low:37560kB high:45072kB active_anon:2613928kB inactive_anon:0kB active_file:12kB inactive_file:12kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43808kB pagetables:44472kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 766.922614] lowmem_reserve[]: 0 0 3503 3503 [ 766.928079] Node 0 Normal free:38352kB min:37364kB low:46704kB high:56044kB active_anon:2319688kB inactive_anon:1464kB active_file:732kB inactive_file:3156kB unevictable:37548kB writepending:32kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:103296kB pagetables:236736kB bounce:0kB free_pcp:876kB local_pcp:140kB free_cma:0kB [ 766.965446] lowmem_reserve[]: 0 0 0 0 [ 766.982286] 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 [ 767.005411] Node 0 DMA32: 467*4kB (UME) 273*8kB (UME) 47*16kB (ME) 153*32kB (UME) 79*64kB (UME) 42*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 44452kB [ 767.031522] Node 0 Normal: 164*4kB (UMH) 1973*8kB (UME) 651*16kB (UMEH) 151*32kB (UMEH) 3*64kB (UE) 1*128kB (E) 0*256kB 8*512kB (U) 3*1024kB (UE) 0*2048kB 0*4096kB = 39176kB [ 767.052641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 767.063856] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 767.075802] 6024 total pagecache pages [ 767.081864] 0 pages in swap cache 01:52:32 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(r4, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 767.086948] Swap cache stats: add 0, delete 0, find 0/0 [ 767.095807] Free swap = 0kB [ 767.099701] Total swap = 0kB [ 767.103369] 1965979 pages RAM [ 767.106766] 0 pages HighMem/MovableOnly [ 767.111219] 342745 pages reserved [ 767.114950] 0 pages cma reserved [ 767.131027] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 767.146973] syz-executor3 cpuset=syz3 mems_allowed=0 [ 767.160397] CPU: 1 PID: 2903 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 767.167673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 767.177042] Call Trace: [ 767.179656] dump_stack+0x1c4/0x2b4 [ 767.183294] ? dump_stack_print_info.cold.2+0x52/0x52 [ 767.188508] ? kasan_check_read+0x11/0x20 [ 767.192684] warn_alloc.cold.119+0xb7/0x1bd [ 767.197015] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 767.201891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.207498] __vmalloc_node_range+0x472/0x750 [ 767.212014] ? graph_lock+0x170/0x170 [ 767.215821] ? __lock_is_held+0xb5/0x140 [ 767.219895] ? sel_write_load+0x1d1/0x460 [ 767.224062] vmalloc+0x6f/0x80 [ 767.227270] ? sel_write_load+0x1d1/0x460 [ 767.231427] sel_write_load+0x1d1/0x460 [ 767.235421] __vfs_write+0x119/0x9f0 [ 767.239139] ? check_preemption_disabled+0x48/0x200 [ 767.244169] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 767.249118] ? kernel_read+0x120/0x120 [ 767.253029] ? __lock_is_held+0xb5/0x140 [ 767.257121] ? rcu_read_lock_sched_held+0x108/0x120 [ 767.262142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 767.267689] ? __sb_start_write+0x1b2/0x370 [ 767.272041] vfs_write+0x1fc/0x560 [ 767.275595] ksys_write+0x101/0x260 [ 767.279232] ? __ia32_sys_read+0xb0/0xb0 [ 767.283317] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 767.288879] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 767.294341] ? ksys_ioctl+0x81/0xd0 [ 767.297996] __x64_sys_write+0x73/0xb0 [ 767.301899] do_syscall_64+0x1b9/0x820 [ 767.305815] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 767.311193] ? syscall_return_slowpath+0x5e0/0x5e0 [ 767.316135] ? trace_hardirqs_on_caller+0x310/0x310 [ 767.321168] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 767.326191] ? recalc_sigpending_tsk+0x180/0x180 [ 767.330959] ? kasan_check_write+0x14/0x20 [ 767.335213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 767.340073] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 767.345284] RIP: 0033:0x457679 [ 767.348483] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 767.367413] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 767.375143] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 767.382421] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 767.389700] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 767.397002] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 767.404298] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 01:52:33 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f0000000940)=[{&(0x7f0000000a00)=""/132, 0x84}, {&(0x7f0000000580)=""/146, 0x92}, {&(0x7f0000000640)=""/130, 0xfffffffffffffe55}, {&(0x7f0000000700)=""/136, 0x88}, {&(0x7f00000007c0)=""/70, 0x46}, {&(0x7f0000000840)=""/248, 0xf8}], 0x100000000000033d, 0x400000000000) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r0, 0x84, 0x1a, &(0x7f0000000100)=ANY=[@ANYRES32=0x0, @ANYBLOB="a1fdffff0af97c64c467da90d2beeedf725370f63caf5c6c546570e704062cde44ac50536e94bac45cbdaa5760d70b02eaaf3f0e79c34e588c8b7b20ec4310b15a24a11448d4c10f36a8d285e34f5be04267faef87f85a658da0416d5a6cecc3f5bede701d0697657718902bbfd78c89860e38996b0dd9f51d743015a288e560d31e022f21b6bb415d0cf3"], &(0x7f0000000000)=0xfffffe91) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f00000004c0)=@assoc_id=r1, &(0x7f0000000500)=0x4) bind$rds(r0, &(0x7f0000000480)={0x2, 0x4e20, @rand_addr=0x1}, 0x10) sendmsg(r0, &(0x7f0000000400)={&(0x7f0000000200)=@pppol2tp={0x18, 0x1, {0x0, r0, {0x2, 0x4e22, @loopback}, 0x0, 0x2, 0x0, 0x4}}, 0x80, &(0x7f00000003c0)=[{&(0x7f0000000280)="378e99d9415e708dfbe2f073cf0a9840135d242ab3755caf504c147949d02139ace5e0dec972f9cb2ab82edc16d599caf6f0442827c16f54ee963c786081bea2663e0ef4d1909fab8e8215b4470fd804a7ec7473581c15fb28a4b6fe3b2c3698c7b71477464d6c759260e6f4016f7f1a416c5912460d792846bab1c0e24891c75e13a7e6965a3762471f7ea0e603fa3d297bb6dc2285dd16dbceaaff8cd3f69f8ef87b5a047d2f0cc2d3916332d5d017c2d8d1d948cc978d8ebf57bc8b7ffc7628373a8962a170363188a618da6a9dba91090ec2d2fee9f1c9d872", 0xdb}, {&(0x7f0000000380)="6b21cc4c4e4d8ea850c6de48828c26ebb7214e8134bb4b6948fee6079a4c27f0a0d22f02d9", 0x25}], 0x2, &(0x7f0000000ac0)=ANY=[@ANYBLOB="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0x1500, 0x4000}, 0x80) connect$vsock_stream(r0, &(0x7f0000000540)={0x28, 0x0, 0x2710, @host}, 0x10) ioctl$FIGETBSZ(r0, 0x2, &(0x7f0000000440)) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000040)={r1, 0xfffffffffffffffa, 0x0, 0x3, 0xd, 0x5}, &(0x7f00000001c0)=0x14) 01:52:33 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:33 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x600000000000000, &(0x7f0000000380)=ANY=[]) 01:52:34 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 768.818611] 9pnet_virtio: no channels available for device /dev/zero [ 768.835726] 9pnet_virtio: no channels available for device /dev/zero 01:52:35 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0xffffffff00000000, &(0x7f0000000380)=ANY=[]) [ 769.743689] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 769.754547] syz-executor4 cpuset=syz4 mems_allowed=0 [ 769.760296] CPU: 1 PID: 2929 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 769.767634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 769.777016] Call Trace: [ 769.779637] dump_stack+0x1c4/0x2b4 [ 769.783297] ? dump_stack_print_info.cold.2+0x52/0x52 [ 769.788543] ? kasan_check_read+0x11/0x20 [ 769.792733] warn_alloc.cold.119+0xb7/0x1bd [ 769.797083] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 769.801966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.807562] __vmalloc_node_range+0x472/0x750 [ 769.812095] ? graph_lock+0x170/0x170 [ 769.815913] ? __lock_is_held+0xb5/0x140 [ 769.819996] ? sel_write_load+0x1d1/0x460 [ 769.824161] vmalloc+0x6f/0x80 [ 769.827367] ? sel_write_load+0x1d1/0x460 [ 769.831541] sel_write_load+0x1d1/0x460 [ 769.835563] __vfs_write+0x119/0x9f0 [ 769.839306] ? check_preemption_disabled+0x48/0x200 [ 769.844335] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 769.849304] ? kernel_read+0x120/0x120 [ 769.853208] ? __lock_is_held+0xb5/0x140 [ 769.857303] ? rcu_read_lock_sched_held+0x108/0x120 [ 769.862332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 769.867887] ? __sb_start_write+0x1b2/0x370 [ 769.872230] vfs_write+0x1fc/0x560 [ 769.875798] ksys_write+0x101/0x260 [ 769.879443] ? __ia32_sys_read+0xb0/0xb0 [ 769.883519] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 769.889083] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 769.894571] ? ksys_ioctl+0x81/0xd0 [ 769.898217] __x64_sys_write+0x73/0xb0 [ 769.902155] do_syscall_64+0x1b9/0x820 [ 769.906054] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 769.911441] ? syscall_return_slowpath+0x5e0/0x5e0 [ 769.916392] ? trace_hardirqs_on_caller+0x310/0x310 [ 769.921456] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 769.926489] ? recalc_sigpending_tsk+0x180/0x180 [ 769.931265] ? kasan_check_write+0x14/0x20 [ 769.935538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 769.940417] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 769.945630] RIP: 0033:0x457679 [ 769.948839] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 769.967769] RSP: 002b:00007f8e2b98cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 769.975506] RAX: ffffffffffffffda RBX: 00007f8e2b98d6d4 RCX: 0000000000457679 [ 769.982806] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 769.990091] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 769.997372] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 770.004657] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 770.034178] warn_alloc_show_mem: 1 callbacks suppressed [ 770.034184] Mem-Info: [ 770.044694] active_anon:1233520 inactive_anon:366 isolated_anon:0 [ 770.044694] active_file:264 inactive_file:600 isolated_file:32 [ 770.044694] unevictable:9387 dirty:9 writeback:0 unstable:0 [ 770.044694] slab_reclaimable:18191 slab_unreclaimable:128093 [ 770.044694] mapped:54553 shmem:385 pagetables:70398 bounce:0 [ 770.044694] free:24827 free_pcp:53 free_cma:0 [ 770.080258] Node 0 active_anon:4934080kB inactive_anon:1464kB active_file:1256kB inactive_file:1884kB unevictable:37548kB isolated(anon):0kB isolated(file):128kB mapped:217912kB dirty:36kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 770.110483] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 770.137292] lowmem_reserve[]: 0 2817 6321 6321 [ 770.160786] Node 0 DMA32 free:43756kB min:30048kB low:37560kB high:45072kB active_anon:2613936kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43936kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 770.230978] lowmem_reserve[]: 0 0 3503 3503 [ 770.236892] Node 0 Normal free:37772kB min:37364kB low:46704kB high:56044kB active_anon:2320144kB inactive_anon:1464kB active_file:1060kB inactive_file:2404kB unevictable:37548kB writepending:36kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:103328kB pagetables:237124kB bounce:0kB free_pcp:1232kB local_pcp:552kB free_cma:0kB [ 770.387293] lowmem_reserve[]: 0 0 0 0 [ 770.400961] 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 [ 770.445624] Node 0 DMA32: 478*4kB (UME) 259*8kB (UME) 47*16kB (ME) 155*32kB (UME) 78*64kB (ME) 40*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 44128kB [ 770.518726] Node 0 Normal: 6*4kB (UMH) 1816*8kB (UME) 677*16kB (UMH) 144*32kB (UMH) 1*64kB (E) 1*128kB (U) 1*256kB (U) 7*512kB (U) 3*1024kB (UE) 0*2048kB 0*4096kB = 37096kB [ 770.535950] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 770.564477] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 770.574012] 5929 total pagecache pages [ 770.578495] 0 pages in swap cache [ 770.582868] Swap cache stats: add 0, delete 0, find 0/0 [ 770.588896] Free swap = 0kB [ 770.592662] Total swap = 0kB [ 770.596224] 1965979 pages RAM [ 770.611809] 0 pages HighMem/MovableOnly [ 770.625929] 342745 pages reserved [ 770.635464] 0 pages cma reserved [ 770.643786] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 770.661622] syz-executor3 cpuset=syz3 mems_allowed=0 [ 770.668702] CPU: 1 PID: 2928 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 770.675952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 770.685329] Call Trace: [ 770.687954] dump_stack+0x1c4/0x2b4 [ 770.691626] ? dump_stack_print_info.cold.2+0x52/0x52 [ 770.696854] ? kasan_check_read+0x11/0x20 [ 770.701038] warn_alloc.cold.119+0xb7/0x1bd [ 770.705425] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 770.710319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.715923] __vmalloc_node_range+0x472/0x750 [ 770.720472] ? graph_lock+0x170/0x170 [ 770.724296] ? __lock_is_held+0xb5/0x140 [ 770.728385] ? sel_write_load+0x1d1/0x460 [ 770.732591] vmalloc+0x6f/0x80 [ 770.735814] ? sel_write_load+0x1d1/0x460 [ 770.739987] sel_write_load+0x1d1/0x460 [ 770.743988] __vfs_write+0x119/0x9f0 [ 770.747759] ? check_preemption_disabled+0x48/0x200 [ 770.752910] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 770.758394] ? kernel_read+0x120/0x120 [ 770.762310] ? __lock_is_held+0xb5/0x140 [ 770.766401] ? rcu_read_lock_sched_held+0x108/0x120 [ 770.771446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 770.777010] ? __sb_start_write+0x1b2/0x370 [ 770.781393] vfs_write+0x1fc/0x560 [ 770.784961] ksys_write+0x101/0x260 [ 770.788612] ? __ia32_sys_read+0xb0/0xb0 [ 770.792695] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 770.798176] __x64_sys_write+0x73/0xb0 [ 770.802084] do_syscall_64+0x1b9/0x820 [ 770.806113] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 770.811547] ? syscall_return_slowpath+0x5e0/0x5e0 [ 770.816526] ? trace_hardirqs_on_caller+0x310/0x310 [ 770.821596] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 770.826637] ? recalc_sigpending_tsk+0x180/0x180 [ 770.831420] ? kasan_check_write+0x14/0x20 [ 770.835688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 770.840598] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 770.845810] RIP: 0033:0x457679 [ 770.849021] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 770.867964] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 770.875700] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 770.882982] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 770.890262] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 770.897555] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 770.904843] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 771.142932] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 771.153137] syz-executor3 cpuset=syz3 mems_allowed=0 [ 771.158455] CPU: 0 PID: 2935 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 771.165679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 771.175067] Call Trace: [ 771.177681] dump_stack+0x1c4/0x2b4 [ 771.181344] ? dump_stack_print_info.cold.2+0x52/0x52 [ 771.186573] ? kasan_check_read+0x11/0x20 [ 771.190760] warn_alloc.cold.119+0xb7/0x1bd [ 771.195101] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 771.199975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.205575] __vmalloc_node_range+0x472/0x750 [ 771.210100] ? graph_lock+0x170/0x170 [ 771.213922] ? __lock_is_held+0xb5/0x140 [ 771.218011] ? sel_write_load+0x1d1/0x460 [ 771.222179] vmalloc+0x6f/0x80 [ 771.225406] ? sel_write_load+0x1d1/0x460 [ 771.229597] sel_write_load+0x1d1/0x460 [ 771.233612] __vfs_write+0x119/0x9f0 [ 771.237357] ? check_preemption_disabled+0x48/0x200 [ 771.242402] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 771.247364] ? kernel_read+0x120/0x120 [ 771.251274] ? __lock_is_held+0xb5/0x140 [ 771.255372] ? rcu_read_lock_sched_held+0x108/0x120 [ 771.260410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 771.265970] ? __sb_start_write+0x1b2/0x370 [ 771.270315] vfs_write+0x1fc/0x560 [ 771.273875] ksys_write+0x101/0x260 [ 771.277524] ? __ia32_sys_read+0xb0/0xb0 [ 771.281615] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 771.287095] __x64_sys_write+0x73/0xb0 [ 771.291006] do_syscall_64+0x1b9/0x820 [ 771.294913] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 771.300292] ? syscall_return_slowpath+0x5e0/0x5e0 [ 771.305243] ? trace_hardirqs_on_caller+0x310/0x310 [ 771.310282] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 771.315333] ? recalc_sigpending_tsk+0x180/0x180 [ 771.320109] ? kasan_check_write+0x14/0x20 [ 771.324383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 771.329254] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 771.334452] RIP: 0033:0x457679 [ 771.337661] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 771.356598] RSP: 002b:00007fb249af7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 771.364340] RAX: ffffffffffffffda RBX: 00007fb249af86d4 RCX: 0000000000457679 [ 771.371630] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 771.378915] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 771.386203] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 771.393493] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000002 [ 771.424423] warn_alloc_show_mem: 1 callbacks suppressed [ 771.424430] Mem-Info: [ 771.453032] active_anon:1233687 inactive_anon:366 isolated_anon:0 [ 771.453032] active_file:228 inactive_file:858 isolated_file:64 [ 771.453032] unevictable:9387 dirty:19 writeback:1 unstable:0 [ 771.453032] slab_reclaimable:18199 slab_unreclaimable:128061 [ 771.453032] mapped:54635 shmem:384 pagetables:70428 bounce:0 [ 771.453032] free:24409 free_pcp:52 free_cma:0 [ 771.551561] Node 0 active_anon:4934748kB inactive_anon:1464kB active_file:88kB inactive_file:2364kB unevictable:37548kB isolated(anon):0kB isolated(file):0kB mapped:217140kB dirty:76kB writeback:4kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no 01:52:36 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 771.637751] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 771.669837] lowmem_reserve[]: 0 2817 6321 6321 [ 771.676450] Node 0 DMA32 free:43744kB min:30048kB low:37560kB high:45072kB active_anon:2613936kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:44064kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 771.720403] lowmem_reserve[]: 0 0 3503 3503 [ 771.727140] Node 0 Normal free:37896kB min:37364kB low:46704kB high:56044kB active_anon:2320984kB inactive_anon:1476kB active_file:1608kB inactive_file:2512kB unevictable:37548kB writepending:96kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:103488kB pagetables:237316kB bounce:0kB free_pcp:576kB local_pcp:272kB free_cma:0kB [ 771.790141] lowmem_reserve[]: 0 0 0 0 [ 771.809250] 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 [ 771.823152] Node 0 DMA32: 478*4kB (UME) 229*8kB (UME) 48*16kB (UME) 155*32kB (UME) 78*64kB (ME) 39*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 43776kB [ 771.841009] Node 0 Normal: 318*4kB (UMH) 1827*8kB (UM) 698*16kB (UMH) 147*32kB (UMEH) 3*64kB (UE) 1*128kB (U) 1*256kB (U) 7*512kB (U) 3*1024kB (UE) 0*2048kB 0*4096kB = 38992kB [ 771.857143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 771.866079] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 771.874758] 6112 total pagecache pages [ 771.878685] 0 pages in swap cache [ 771.882241] Swap cache stats: add 0, delete 0, find 0/0 [ 771.887616] Free swap = 0kB [ 771.892800] Total swap = 0kB [ 771.896164] 1965979 pages RAM [ 771.899394] 0 pages HighMem/MovableOnly [ 771.903377] 342745 pages reserved [ 771.906836] 0 pages cma reserved 01:52:38 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x3000000, &(0x7f0000000380)=ANY=[]) [ 773.586136] 9pnet_virtio: no channels available for device /dev/zero [ 774.402931] 9pnet_virtio: no channels available for device /dev/zero [ 774.583225] 9pnet_virtio: no channels available for device /dev/zero 01:52:41 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) sendmsg$alg(0xffffffffffffffff, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(0xffffffffffffffff, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:41 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x102000, 0x0, 0xfffffffffffffffe, &(0x7f00000001c0), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:41 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x3, &(0x7f0000000380)=ANY=[]) 01:52:41 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) socket$nl_netfilter(0x10, 0x3, 0xc) [ 776.935040] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 776.945619] syz-executor3 cpuset=syz3 mems_allowed=0 [ 776.951241] CPU: 1 PID: 2964 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 776.958584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 776.967956] Call Trace: [ 776.970585] dump_stack+0x1c4/0x2b4 [ 776.974344] ? dump_stack_print_info.cold.2+0x52/0x52 [ 776.979580] ? kasan_check_read+0x11/0x20 [ 776.983774] warn_alloc.cold.119+0xb7/0x1bd [ 776.988136] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 776.993006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 776.998611] __vmalloc_node_range+0x472/0x750 [ 777.003140] ? graph_lock+0x170/0x170 [ 777.006967] ? __lock_is_held+0xb5/0x140 [ 777.011053] ? sel_write_load+0x1d1/0x460 [ 777.015365] vmalloc+0x6f/0x80 [ 777.018582] ? sel_write_load+0x1d1/0x460 [ 777.022759] sel_write_load+0x1d1/0x460 [ 777.026765] __vfs_write+0x119/0x9f0 [ 777.030505] ? check_preemption_disabled+0x48/0x200 [ 777.035560] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 777.040502] ? kernel_read+0x120/0x120 [ 777.044426] ? __lock_is_held+0xb5/0x140 [ 777.048508] ? rcu_read_lock_sched_held+0x108/0x120 [ 777.053563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 777.059120] ? __sb_start_write+0x1b2/0x370 [ 777.063460] vfs_write+0x1fc/0x560 [ 777.067019] ksys_write+0x101/0x260 [ 777.070668] ? __ia32_sys_read+0xb0/0xb0 [ 777.074742] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 777.080291] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 777.085752] ? ksys_ioctl+0x81/0xd0 [ 777.089396] __x64_sys_write+0x73/0xb0 [ 777.093299] do_syscall_64+0x1b9/0x820 [ 777.097215] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 777.102595] ? syscall_return_slowpath+0x5e0/0x5e0 [ 777.107545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 777.112401] ? trace_hardirqs_on_caller+0x310/0x310 [ 777.117462] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 777.122505] ? prepare_exit_to_usermode+0x291/0x3b0 [ 777.127562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 777.132429] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 777.137635] RIP: 0033:0x457679 [ 777.140840] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 777.159755] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 777.167497] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 777.174800] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 777.182089] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 777.189376] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 777.196659] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 777.329366] Mem-Info: [ 777.339109] active_anon:1233839 inactive_anon:368 isolated_anon:0 [ 777.339109] active_file:381 inactive_file:429 isolated_file:29 [ 777.339109] unevictable:9387 dirty:1 writeback:1 unstable:0 [ 777.339109] slab_reclaimable:18260 slab_unreclaimable:127629 [ 777.339109] mapped:54607 shmem:385 pagetables:70520 bounce:0 [ 777.339109] free:24829 free_pcp:125 free_cma:0 [ 777.394555] Node 0 active_anon:4935356kB inactive_anon:1472kB active_file:760kB inactive_file:3364kB unevictable:37548kB isolated(anon):0kB isolated(file):252kB mapped:218928kB dirty:4kB writeback:4kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 777.443152] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 777.532631] lowmem_reserve[]: 0 2817 6321 6321 [ 777.538960] Node 0 DMA32 free:44164kB min:30048kB low:37560kB high:45072kB active_anon:2613940kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43968kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 777.586978] lowmem_reserve[]: 0 0 3503 3503 [ 777.610394] Node 0 Normal free:37492kB min:37364kB low:46704kB high:56044kB active_anon:2321556kB inactive_anon:1468kB active_file:1436kB inactive_file:1880kB unevictable:37548kB writepending:12kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:103520kB pagetables:237760kB bounce:0kB free_pcp:1776kB local_pcp:460kB free_cma:0kB [ 777.650509] lowmem_reserve[]: 0 0 0 0 [ 777.654409] 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 [ 777.689628] Node 0 DMA32: 479*4kB (UME) 217*8kB (UME) 63*16kB (UME) 154*32kB (UME) 79*64kB (UME) 39*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 43956kB [ 777.706840] Node 0 Normal: 395*4kB (UMEH) 1616*8kB (UME) 867*16kB (UMEH) 154*32kB (UMEH) 5*64kB (UE) 2*128kB (UE) 2*256kB (UE) 8*512kB (UE) 2*1024kB (U) 0*2048kB 0*4096kB = 40540kB [ 777.733485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 777.751890] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 777.783285] 6178 total pagecache pages [ 777.787416] 0 pages in swap cache [ 777.806272] Swap cache stats: add 0, delete 0, find 0/0 [ 777.819270] Free swap = 0kB [ 777.822391] Total swap = 0kB [ 777.825634] 1965979 pages RAM [ 777.828872] 0 pages HighMem/MovableOnly [ 777.848365] 342745 pages reserved [ 777.856703] 0 pages cma reserved [ 777.959014] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 777.981780] syz-executor3 cpuset=syz3 mems_allowed=0 [ 777.996197] CPU: 0 PID: 2964 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 778.003410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 778.012765] Call Trace: [ 778.015361] dump_stack+0x1c4/0x2b4 [ 778.019002] ? dump_stack_print_info.cold.2+0x52/0x52 [ 778.024203] ? kasan_check_read+0x11/0x20 [ 778.028373] warn_alloc.cold.119+0xb7/0x1bd [ 778.032702] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 778.037568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 778.043144] __vmalloc_node_range+0x472/0x750 [ 778.047649] ? graph_lock+0x170/0x170 [ 778.051453] ? __lock_is_held+0xb5/0x140 [ 778.055522] ? sel_write_load+0x1d1/0x460 [ 778.059690] vmalloc+0x6f/0x80 [ 778.062887] ? sel_write_load+0x1d1/0x460 [ 778.067036] sel_write_load+0x1d1/0x460 [ 778.071021] __vfs_write+0x119/0x9f0 [ 778.074740] ? check_preemption_disabled+0x48/0x200 [ 778.079785] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 778.084725] ? kernel_read+0x120/0x120 [ 778.088641] ? __lock_is_held+0xb5/0x140 [ 778.092722] ? rcu_read_lock_sched_held+0x108/0x120 [ 778.097742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 778.103348] ? __sb_start_write+0x1b2/0x370 [ 778.107700] vfs_write+0x1fc/0x560 [ 778.111257] ksys_write+0x101/0x260 [ 778.114893] ? __ia32_sys_read+0xb0/0xb0 [ 778.118960] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 778.124499] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 778.129951] ? ksys_ioctl+0x81/0xd0 [ 778.133639] __x64_sys_write+0x73/0xb0 [ 778.137561] do_syscall_64+0x1b9/0x820 [ 778.141460] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 778.146837] ? syscall_return_slowpath+0x5e0/0x5e0 [ 778.151767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 778.156630] ? trace_hardirqs_on_caller+0x310/0x310 [ 778.161654] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 778.166674] ? prepare_exit_to_usermode+0x291/0x3b0 [ 778.171705] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 778.176589] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 778.181809] RIP: 0033:0x457679 [ 778.185001] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 778.203905] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 778.211632] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 778.218898] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 778.226163] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 778.233428] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 778.240699] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 779.007954] 9pnet_virtio: no channels available for device /dev/zero 01:52:45 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 780.525329] 9pnet_virtio: no channels available for device /dev/zero [ 780.893378] 9pnet_virtio: no channels available for device /dev/zero 01:52:47 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:47 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x2000000000000000, &(0x7f0000000380)=ANY=[]) [ 781.874477] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 781.905017] syz-executor4 cpuset=syz4 mems_allowed=0 [ 781.924718] CPU: 0 PID: 2986 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 781.931953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 781.941332] Call Trace: [ 781.943974] dump_stack+0x1c4/0x2b4 [ 781.947659] ? dump_stack_print_info.cold.2+0x52/0x52 [ 781.952872] ? kasan_check_read+0x11/0x20 [ 781.957045] warn_alloc.cold.119+0xb7/0x1bd [ 781.961401] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 781.966268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 781.971854] __vmalloc_node_range+0x472/0x750 [ 781.976375] ? graph_lock+0x170/0x170 [ 781.980189] ? __lock_is_held+0xb5/0x140 [ 781.984270] ? sel_write_load+0x1d1/0x460 [ 781.988433] vmalloc+0x6f/0x80 [ 781.991666] ? sel_write_load+0x1d1/0x460 [ 781.995844] sel_write_load+0x1d1/0x460 [ 781.999841] __vfs_write+0x119/0x9f0 [ 782.003602] ? check_preemption_disabled+0x48/0x200 [ 782.008641] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 782.013591] ? kernel_read+0x120/0x120 [ 782.017507] ? __lock_is_held+0xb5/0x140 [ 782.021623] ? rcu_read_lock_sched_held+0x108/0x120 [ 782.026662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 782.032238] ? __sb_start_write+0x1b2/0x370 [ 782.036601] vfs_write+0x1fc/0x560 [ 782.040162] ksys_write+0x101/0x260 [ 782.043817] ? __ia32_sys_read+0xb0/0xb0 [ 782.047900] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 782.053389] __x64_sys_write+0x73/0xb0 [ 782.057296] do_syscall_64+0x1b9/0x820 [ 782.061197] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 782.066591] ? syscall_return_slowpath+0x5e0/0x5e0 [ 782.071554] ? trace_hardirqs_on_caller+0x310/0x310 [ 782.076603] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 782.081638] ? recalc_sigpending_tsk+0x180/0x180 [ 782.086417] ? kasan_check_write+0x14/0x20 [ 782.090678] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 782.095558] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 782.100764] RIP: 0033:0x457679 [ 782.103976] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 782.122888] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 782.130627] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 782.137907] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 782.145185] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 782.152468] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 782.159757] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 782.177244] warn_alloc_show_mem: 1 callbacks suppressed [ 782.177249] Mem-Info: [ 782.186295] active_anon:1233957 inactive_anon:369 isolated_anon:0 [ 782.186295] active_file:0 inactive_file:563 isolated_file:79 [ 782.186295] unevictable:9387 dirty:4 writeback:0 unstable:0 [ 782.186295] slab_reclaimable:18322 slab_unreclaimable:127410 [ 782.186295] mapped:54309 shmem:385 pagetables:70569 bounce:0 [ 782.186295] free:24695 free_pcp:169 free_cma:0 [ 782.220578] Node 0 active_anon:4935828kB inactive_anon:1476kB active_file:0kB inactive_file:2112kB unevictable:37548kB isolated(anon):0kB isolated(file):316kB mapped:217136kB dirty:16kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 782.249434] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 782.276078] lowmem_reserve[]: 0 2817 6321 6321 [ 782.280971] Node 0 DMA32 free:43544kB min:30048kB low:37560kB high:45072kB active_anon:2613936kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43968kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 782.382945] lowmem_reserve[]: 0 0 3503 3503 [ 782.394522] Node 0 Normal free:37700kB min:37364kB low:46704kB high:56044kB active_anon:2321892kB inactive_anon:1476kB active_file:568kB inactive_file:2820kB unevictable:37548kB writepending:12kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:103456kB pagetables:237808kB bounce:0kB free_pcp:1956kB local_pcp:1336kB free_cma:0kB [ 782.471687] lowmem_reserve[]: 0 0 0 0 [ 782.481412] 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 [ 782.513973] Node 0 DMA32: 467*4kB (UME) 247*8kB (UME) 66*16kB (UME) 153*32kB (UME) 79*64kB (UME) 39*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 44164kB [ 782.565058] 9pnet_virtio: no channels available for device /dev/zero [ 782.568529] Node 0 Normal: 274*4kB (UMH) 1364*8kB (UM) 976*16kB (UMEH) 163*32kB (UMEH) 4*64kB (UE) 2*128kB (U) 2*256kB (UE) 8*512kB (UE) 2*1024kB (U) 0*2048kB 0*4096kB = 40008kB [ 782.579037] 9pnet_virtio: no channels available for device /dev/zero [ 782.604728] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 782.615137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 782.624069] 5856 total pagecache pages [ 782.628488] 0 pages in swap cache [ 782.644989] Swap cache stats: add 0, delete 0, find 0/0 [ 782.679092] Free swap = 0kB [ 782.685391] Total swap = 0kB [ 782.691153] 1965979 pages RAM [ 782.696698] 0 pages HighMem/MovableOnly [ 782.702796] 342745 pages reserved [ 782.708352] 0 pages cma reserved 01:52:48 executing program 5: r0 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000200)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$TIOCSWINSZ(r0, 0x5414, &(0x7f0000000240)={0xff, 0x800, 0x39, 0x7}) umount2(&(0x7f0000000100)='.\x00', 0x4) r1 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x88000400, 0x0, 0xfffffffffffffffe, &(0x7f00000001c0), 0xffffffffffffffff) write$selinux_load(r1, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180bbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fbb82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf1969692252ab4901c5e795d41eb9e5c698bcb72eb090000000000000026554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2000000000000000000000000000000"], 0xd6) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r2, 0x400454d4, &(0x7f00000000c0)) ioctl$sock_inet_SIOCGIFDSTADDR(r2, 0x8917, &(0x7f0000000140)={'bcsh0\x00', {0x2, 0x4e21, @broadcast}}) lseek(r1, 0x0, 0x0) sysfs$3(0x3) setsockopt$inet_opts(r2, 0x0, 0x6, &(0x7f0000000540)="e3e92c118c190193e33deb1d09b7ddc82f2789b9751050e512ca9fc934082799e5daf64232d8f2286ad0fb2a07d2c6ab6b42a6c157c469479c5511cd715ff979a835c8e1765d87dd715adf42033600faac8b55e7dc1ffd17a9b7def858a5cbbb8add436a8800427348e26605e63c9b7e00000000000000d14c57c01963ef725ddc9ba1a4de4794ca9ff2e1541dd6b11e7857cd35633903ce87", 0x99) 01:52:49 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f0000000100)={0x8, 0x1, 0xd12}) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:52:52 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:52:52 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0xedc000000000, &(0x7f0000000380)=ANY=[]) [ 786.902375] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 786.914725] syz-executor3 cpuset=syz3 mems_allowed=0 [ 786.920308] CPU: 1 PID: 2999 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 786.927677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 786.937061] Call Trace: [ 786.939683] dump_stack+0x1c4/0x2b4 [ 786.943335] ? dump_stack_print_info.cold.2+0x52/0x52 [ 786.948569] ? kasan_check_read+0x11/0x20 [ 786.952741] warn_alloc.cold.119+0xb7/0x1bd [ 786.957075] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 786.961946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 786.967516] __vmalloc_node_range+0x472/0x750 [ 786.972032] ? graph_lock+0x170/0x170 [ 786.975838] ? __lock_is_held+0xb5/0x140 [ 786.979913] ? sel_write_load+0x1d1/0x460 [ 786.984073] vmalloc+0x6f/0x80 [ 786.987292] ? sel_write_load+0x1d1/0x460 [ 786.991449] sel_write_load+0x1d1/0x460 [ 786.995435] __vfs_write+0x119/0x9f0 [ 786.999151] ? check_preemption_disabled+0x48/0x200 [ 787.004174] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 787.009114] ? kernel_read+0x120/0x120 [ 787.013014] ? __lock_is_held+0xb5/0x140 [ 787.017102] ? rcu_read_lock_sched_held+0x108/0x120 [ 787.022141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 787.027685] ? __sb_start_write+0x1b2/0x370 [ 787.032025] vfs_write+0x1fc/0x560 [ 787.035586] ksys_write+0x101/0x260 [ 787.039226] ? __ia32_sys_read+0xb0/0xb0 [ 787.043318] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 787.048807] __x64_sys_write+0x73/0xb0 [ 787.052708] do_syscall_64+0x1b9/0x820 [ 787.056625] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 787.062015] ? syscall_return_slowpath+0x5e0/0x5e0 [ 787.066991] ? trace_hardirqs_on_caller+0x310/0x310 [ 787.072032] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 787.077052] ? recalc_sigpending_tsk+0x180/0x180 [ 787.081812] ? kasan_check_write+0x14/0x20 [ 787.086056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 787.090914] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 787.096111] RIP: 0033:0x457679 [ 787.099311] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 787.118217] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 787.125935] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 787.133207] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 787.140485] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 787.147758] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 787.155061] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 787.163580] Mem-Info: [ 787.187137] active_anon:1234075 inactive_anon:369 isolated_anon:0 [ 787.187137] active_file:282 inactive_file:745 isolated_file:22 [ 787.187137] unevictable:9387 dirty:5 writeback:1 unstable:0 [ 787.187137] slab_reclaimable:18370 slab_unreclaimable:127103 [ 787.187137] mapped:54639 shmem:385 pagetables:70648 bounce:0 [ 787.187137] free:24517 free_pcp:48 free_cma:0 [ 787.222084] Node 0 active_anon:4936300kB inactive_anon:1476kB active_file:1460kB inactive_file:2120kB unevictable:37548kB isolated(anon):0kB isolated(file):64kB mapped:218168kB dirty:24kB writeback:4kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 787.251959] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 787.279875] lowmem_reserve[]: 0 2817 6321 6321 [ 787.294400] Node 0 DMA32 free:43852kB min:30048kB low:37560kB high:45072kB active_anon:2613972kB inactive_anon:0kB active_file:0kB inactive_file:408kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:43968kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 787.330781] lowmem_reserve[]: 0 0 3503 3503 [ 787.335493] Node 0 Normal free:39736kB min:37364kB low:46704kB high:56044kB active_anon:2322328kB inactive_anon:1476kB active_file:0kB inactive_file:3008kB unevictable:37548kB writepending:28kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:103680kB pagetables:238124kB bounce:0kB free_pcp:308kB local_pcp:124kB free_cma:0kB [ 787.366371] lowmem_reserve[]: 0 0 0 0 [ 787.370652] 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 [ 787.384736] Node 0 DMA32: 468*4kB (UME) 245*8kB (UME) 80*16kB (UME) 156*32kB (UME) 79*64kB (UME) 39*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 44472kB [ 787.405433] Node 0 Normal: 6*4kB (MEH) 1301*8kB (UM) 1031*16kB (UMH) 165*32kB (UMEH) 6*64kB (UE) 2*128kB (U) 1*256kB (U) 8*512kB (UE) 2*1024kB (U) 0*2048kB 0*4096kB = 39248kB [ 787.424706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 787.438826] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 787.454302] 6409 total pagecache pages [ 787.458399] 0 pages in swap cache [ 787.462538] Swap cache stats: add 0, delete 0, find 0/0 [ 787.468178] Free swap = 0kB [ 787.471946] Total swap = 0kB [ 787.475179] 1965979 pages RAM [ 787.478523] 0 pages HighMem/MovableOnly [ 787.483368] 342745 pages reserved [ 787.486976] 0 pages cma reserved [ 787.496216] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 787.519242] syz-executor3 cpuset=syz3 mems_allowed=0 [ 787.524424] CPU: 0 PID: 3001 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 787.531637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 787.541021] Call Trace: [ 787.543628] dump_stack+0x1c4/0x2b4 [ 787.547270] ? dump_stack_print_info.cold.2+0x52/0x52 [ 787.552474] ? kasan_check_read+0x11/0x20 [ 787.556648] warn_alloc.cold.119+0xb7/0x1bd [ 787.560978] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 787.565838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 787.571414] __vmalloc_node_range+0x472/0x750 [ 787.575933] ? graph_lock+0x170/0x170 [ 787.579740] ? __lock_is_held+0xb5/0x140 [ 787.583812] ? sel_write_load+0x1d1/0x460 [ 787.587972] vmalloc+0x6f/0x80 [ 787.591183] ? sel_write_load+0x1d1/0x460 [ 787.595351] sel_write_load+0x1d1/0x460 [ 787.599340] __vfs_write+0x119/0x9f0 [ 787.603063] ? check_preemption_disabled+0x48/0x200 [ 787.608085] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 787.613028] ? kernel_read+0x120/0x120 [ 787.616929] ? __lock_is_held+0xb5/0x140 [ 787.621010] ? rcu_read_lock_sched_held+0x108/0x120 [ 787.626035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 787.631579] ? __sb_start_write+0x1b2/0x370 [ 787.635952] vfs_write+0x1fc/0x560 [ 787.639505] ksys_write+0x101/0x260 [ 787.643141] ? __ia32_sys_read+0xb0/0xb0 [ 787.647617] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 787.653081] __x64_sys_write+0x73/0xb0 [ 787.656980] do_syscall_64+0x1b9/0x820 [ 787.660892] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 787.666281] ? syscall_return_slowpath+0x5e0/0x5e0 [ 787.671217] ? trace_hardirqs_on_caller+0x310/0x310 [ 787.676258] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 787.681285] ? recalc_sigpending_tsk+0x180/0x180 [ 787.686049] ? kasan_check_write+0x14/0x20 [ 787.690300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 787.695173] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 787.700363] RIP: 0033:0x457679 [ 787.703570] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 787.722483] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 787.730200] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 787.737478] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 [ 787.744756] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 787.752030] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 787.759316] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 01:52:53 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) sendmsg$alg(0xffffffffffffffff, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(0xffffffffffffffff, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 788.533503] 9pnet_virtio: no channels available for device /dev/zero [ 788.588242] 9pnet_virtio: no channels available for device /dev/zero [ 789.268829] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 789.303781] SELinux: failed to load policy [ 790.027341] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 790.041727] SELinux: failed to load policy 01:52:56 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x20000000, &(0x7f0000000380)=ANY=[]) 01:52:56 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) [ 792.676311] 9pnet_virtio: no channels available for device /dev/zero [ 793.677591] 9pnet_virtio: no channels available for device /dev/zero [ 793.798219] syz-executor1 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 [ 793.811899] syz-executor1 cpuset=syz1 mems_allowed=0 [ 793.817161] CPU: 1 PID: 3041 Comm: syz-executor1 Not tainted 4.19.0-rc4+ #28 [ 793.824342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 793.833684] Call Trace: [ 793.836261] dump_stack+0x1c4/0x2b4 [ 793.840000] ? dump_stack_print_info.cold.2+0x52/0x52 [ 793.845305] dump_header+0x27b/0xf72 [ 793.849018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 793.854611] ? pagefault_out_of_memory+0x197/0x197 [ 793.859533] ? debug_smp_processor_id+0x1c/0x20 [ 793.864193] ? perf_trace_lock_acquire+0x15b/0x800 [ 793.869169] ? mark_held_locks+0x130/0x130 [ 793.873457] ? debug_smp_processor_id+0x1c/0x20 [ 793.878132] ? perf_trace_lock_acquire+0x15b/0x800 [ 793.883127] ? __switch_to_asm+0x34/0x70 [ 793.887196] ? perf_trace_lock+0x7a0/0x7a0 [ 793.891437] ? perf_trace_lock+0x7a0/0x7a0 [ 793.895663] ? debug_smp_processor_id+0x1c/0x20 [ 793.900422] ? graph_lock+0x170/0x170 [ 793.904211] ? print_usage_bug+0xc0/0xc0 [ 793.908260] ? perf_trace_lock+0x7a0/0x7a0 [ 793.912486] ? find_held_lock+0x36/0x1c0 [ 793.916552] ? mark_held_locks+0xc7/0x130 [ 793.920706] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 793.925801] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 793.930891] ? lockdep_hardirqs_on+0x421/0x5c0 [ 793.935478] ? trace_hardirqs_on+0xbd/0x310 [ 793.939793] ? kasan_check_read+0x11/0x20 [ 793.943934] ? ___ratelimit+0x36f/0x655 [ 793.947898] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 793.953341] ? trace_hardirqs_on+0x310/0x310 [ 793.957738] ? lock_downgrade+0x900/0x900 [ 793.961877] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 793.966966] ? ___ratelimit+0xaa/0x655 [ 793.970848] ? idr_get_free+0xec0/0xec0 [ 793.974816] ? kasan_check_write+0x14/0x20 [ 793.979041] ? do_raw_spin_lock+0xc1/0x200 [ 793.983333] oom_kill_process.cold.27+0x10/0x903 [ 793.988088] ? graph_lock+0x170/0x170 [ 793.991881] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 793.997085] ? rcu_read_unlock_special.part.39+0x8a4/0x11f0 [ 794.002929] ? oom_evaluate_task+0x540/0x540 [ 794.007336] ? find_held_lock+0x36/0x1c0 [ 794.011401] ? out_of_memory+0x974/0x1430 [ 794.015540] ? lock_downgrade+0x900/0x900 [ 794.019699] ? __rcu_read_unlock+0x2e5/0x2f0 [ 794.024102] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 794.029911] ? kasan_check_read+0x11/0x20 [ 794.034056] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 794.039329] ? rcu_bh_qs+0xc0/0xc0 [ 794.042864] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 794.047875] ? oom_evaluate_task+0x302/0x540 [ 794.052278] out_of_memory+0xa84/0x1430 [ 794.056247] ? oom_killer_disable+0x3a0/0x3a0 [ 794.060852] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 794.065802] ? __mutex_add_waiter+0x2a0/0x2a0 [ 794.070347] __alloc_pages_slowpath+0x2318/0x2d80 [ 794.075248] ? warn_alloc+0x120/0x120 [ 794.079107] ? find_held_lock+0x36/0x1c0 [ 794.083208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 794.088762] ? check_preemption_disabled+0x48/0x200 [ 794.093805] ? debug_smp_processor_id+0x1c/0x20 [ 794.098495] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 794.104323] ? kasan_check_read+0x11/0x20 [ 794.108537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 794.114120] ? should_fail+0x22d/0xd01 [ 794.118035] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 794.123165] ? kernel_text_address+0x79/0xf0 [ 794.127610] ? find_held_lock+0x36/0x1c0 [ 794.131708] ? ___might_sleep+0x1ed/0x300 [ 794.135872] ? lock_release+0x970/0x970 [ 794.139867] ? arch_local_save_flags+0x40/0x40 [ 794.144475] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 794.149858] ? graph_lock+0x170/0x170 [ 794.153673] ? __account_cfs_rq_runtime+0x790/0x790 [ 794.158805] ? __might_sleep+0x95/0x190 [ 794.162819] __alloc_pages_nodemask+0xa80/0xde0 [ 794.167512] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 794.172565] ? check_preemption_disabled+0x48/0x200 [ 794.177606] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 794.183166] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 794.188464] ? rcu_pm_notify+0xc0/0xc0 [ 794.192379] ? copy_process+0x1ff4/0x8780 [ 794.196559] ? rcu_read_lock_sched_held+0x108/0x120 [ 794.201599] ? kmem_cache_alloc_node+0x349/0x730 [ 794.206371] ? kasan_check_write+0x14/0x20 [ 794.210624] ? do_raw_spin_lock+0xc1/0x200 [ 794.214884] copy_process+0xa09/0x8780 [ 794.218795] ? find_held_lock+0x36/0x1c0 [ 794.222895] ? finish_task_switch+0x1f5/0x900 [ 794.227423] ? _raw_spin_unlock_irq+0x27/0x80 [ 794.231934] ? _raw_spin_unlock_irq+0x27/0x80 [ 794.236452] ? __cleanup_sighand+0x70/0x70 [ 794.240698] ? compat_start_thread+0x80/0x80 [ 794.245128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 794.250683] ? _raw_spin_unlock_irq+0x60/0x80 [ 794.255191] ? finish_task_switch+0x1f5/0x900 [ 794.259703] ? finish_task_switch+0x1b5/0x900 [ 794.264220] ? __switch_to_asm+0x34/0x70 [ 794.268313] ? preempt_notifier_register+0x200/0x200 [ 794.273448] ? __switch_to_asm+0x34/0x70 [ 794.277526] ? __switch_to_asm+0x34/0x70 [ 794.281611] ? __switch_to_asm+0x40/0x70 [ 794.285682] ? __switch_to_asm+0x34/0x70 [ 794.289750] ? __switch_to_asm+0x40/0x70 [ 794.293846] ? __switch_to_asm+0x34/0x70 [ 794.297915] ? __switch_to_asm+0x40/0x70 [ 794.301982] ? __switch_to_asm+0x34/0x70 [ 794.306067] ? __switch_to_asm+0x34/0x70 [ 794.310140] ? __switch_to_asm+0x40/0x70 [ 794.314210] ? __switch_to_asm+0x34/0x70 [ 794.318278] ? __switch_to_asm+0x40/0x70 [ 794.322361] ? __switch_to_asm+0x34/0x70 [ 794.326443] ? __switch_to_asm+0x40/0x70 [ 794.330521] ? __schedule+0x874/0x1ed0 [ 794.334439] ? __sched_text_start+0x8/0x8 [ 794.338607] ? graph_lock+0x170/0x170 [ 794.342432] ? plist_check_list+0xa0/0xa0 [ 794.346594] ? __schedule+0x874/0x1ed0 [ 794.350513] ? find_held_lock+0x36/0x1c0 [ 794.354625] ? ___might_sleep+0x1ed/0x300 [ 794.358789] ? arch_local_save_flags+0x40/0x40 [ 794.363383] ? do_raw_spin_unlock+0xa7/0x2f0 [ 794.367823] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 794.372417] ? lock_acquire+0x1ed/0x520 [ 794.376407] ? __might_sleep+0x95/0x190 [ 794.380406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 794.385965] ? futex_wait_queue_me+0x55d/0x840 [ 794.390575] ? refill_pi_state_cache.part.9+0x320/0x320 [ 794.395977] ? kasan_check_write+0x14/0x20 [ 794.400239] ? do_raw_spin_lock+0xc1/0x200 [ 794.404493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 794.410068] ? get_futex_value_locked+0xcb/0xf0 [ 794.414762] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 794.419800] ? futex_wait_setup+0x266/0x3e0 [ 794.424156] ? futex_wake+0x760/0x760 [ 794.427983] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 794.433204] ? drop_futex_key_refs.isra.15+0x6d/0xe0 [ 794.438324] ? futex_wait+0x5ec/0xa50 [ 794.442157] ? futex_wait_setup+0x3e0/0x3e0 [ 794.446497] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 794.451730] ? drop_futex_key_refs.isra.15+0x6d/0xe0 [ 794.456857] ? futex_wake+0x304/0x760 [ 794.460704] ? check_preemption_disabled+0x48/0x200 [ 794.465754] ? do_futex+0x249/0x26d0 [ 794.469484] ? find_held_lock+0x36/0x1c0 [ 794.473618] ? wake_up_new_task+0x6fb/0xd20 [ 794.477963] ? exit_robust_list+0x280/0x280 [ 794.482313] ? lockdep_hardirqs_on+0x421/0x5c0 [ 794.486917] ? trace_hardirqs_on+0xbd/0x310 [ 794.491250] ? kasan_check_read+0x11/0x20 [ 794.495413] ? wake_up_new_task+0x6fb/0xd20 [ 794.499754] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 794.505219] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 794.509823] ? lock_repin_lock+0x430/0x430 [ 794.514099] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 794.519232] ? wake_up_new_task+0x6fb/0xd20 [ 794.523587] ? kasan_check_read+0x11/0x20 [ 794.527763] ? to_ratio+0x20/0x20 [ 794.531245] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 794.536800] ? put_pid.part.2+0x1c5/0x240 [ 794.540967] ? pid_task+0x200/0x200 [ 794.544627] _do_fork+0x1cb/0x11d0 [ 794.548192] ? fork_idle+0x1d0/0x1d0 [ 794.551934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 794.557487] ? do_vfs_ioctl+0x201/0x1720 [ 794.561609] ? ioctl_preallocate+0x300/0x300 [ 794.566041] ? selinux_file_mprotect+0x620/0x620 [ 794.570821] ? graph_lock+0x170/0x170 [ 794.574652] ? __x64_sys_futex+0x47f/0x6a0 [ 794.578907] ? do_syscall_64+0x9a/0x820 [ 794.582899] ? do_syscall_64+0x9a/0x820 [ 794.586897] ? lockdep_hardirqs_on+0x421/0x5c0 [ 794.591498] ? trace_hardirqs_on+0xbd/0x310 [ 794.595838] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 794.601389] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 794.606773] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 794.612252] __x64_sys_clone+0xbf/0x150 [ 794.616257] do_syscall_64+0x1b9/0x820 [ 794.620158] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 794.625543] ? syscall_return_slowpath+0x5e0/0x5e0 [ 794.630515] ? trace_hardirqs_on_caller+0x310/0x310 [ 794.635569] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 794.640603] ? recalc_sigpending_tsk+0x180/0x180 [ 794.645372] ? kasan_check_write+0x14/0x20 [ 794.649626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 794.654734] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 794.659937] RIP: 0033:0x457679 [ 794.663148] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 794.682061] RSP: 002b:00007f63b87bec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 794.689798] RAX: ffffffffffffffda RBX: 00007f63b87bf6d4 RCX: 0000000000457679 [ 794.697106] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802102001ffc [ 794.704397] RBP: 000000000072bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 794.711688] R10: 0000000020000040 R11: 0000000000000246 R12: 00000000ffffffff [ 794.718965] R13: 00000000004cc448 R14: 00000000004bdb93 R15: 0000000000000001 [ 794.759297] Mem-Info: [ 794.769345] active_anon:1234315 inactive_anon:367 isolated_anon:0 [ 794.769345] active_file:32 inactive_file:551 isolated_file:96 [ 794.769345] unevictable:9387 dirty:7 writeback:0 unstable:0 [ 794.769345] slab_reclaimable:18439 slab_unreclaimable:126954 [ 794.769345] mapped:54337 shmem:385 pagetables:70829 bounce:0 [ 794.769345] free:24333 free_pcp:358 free_cma:0 [ 794.803346] Node 0 active_anon:4937260kB inactive_anon:1468kB active_file:376kB inactive_file:1624kB unevictable:37548kB isolated(anon):0kB isolated(file):256kB mapped:217116kB dirty:28kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4341760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 794.832321] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 794.868390] lowmem_reserve[]: 0 2817 6321 6321 [ 794.890310] Node 0 DMA32 free:43936kB min:30048kB low:37560kB high:45072kB active_anon:2613976kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:44064kB pagetables:44468kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 794.962811] lowmem_reserve[]: 0 0 3503 3503 [ 794.967280] Node 0 Normal free:37828kB min:37364kB low:46704kB high:56044kB active_anon:2323284kB inactive_anon:1468kB active_file:384kB inactive_file:2000kB unevictable:37548kB writepending:28kB present:4718592kB managed:3587728kB mlocked:37548kB kernel_stack:104000kB pagetables:238848kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 794.997577] lowmem_reserve[]: 0 0 0 0 [ 795.001785] 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 [ 795.017320] Node 0 DMA32: 470*4kB (UME) 187*8kB (UME) 82*16kB (UME) 153*32kB (UME) 79*64kB (UME) 39*128kB (UME) 33*256kB (UME) 23*512kB (UME) 4*1024kB (UE) 0*2048kB 0*4096kB = 43952kB [ 795.034090] Node 0 Normal: 63*4kB (MEH) 1280*8kB (UME) 987*16kB (UMH) 155*32kB (UMH) 3*64kB (U) 2*128kB (U) 2*256kB (UE) 7*512kB (U) 2*1024kB (U) 0*2048kB 0*4096kB = 37836kB [ 795.054013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 795.063009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 795.072951] 6011 total pagecache pages [ 795.076996] 0 pages in swap cache [ 795.081026] Swap cache stats: add 0, delete 0, find 0/0 [ 795.086407] Free swap = 0kB [ 795.089522] Total swap = 0kB [ 795.093535] 1965979 pages RAM [ 795.097815] 0 pages HighMem/MovableOnly [ 795.111886] 342745 pages reserved [ 795.115361] 0 pages cma reserved [ 795.118740] Out of memory: Kill process 5538 (syz-fuzzer) score 50 or sacrifice child [ 795.126939] Killed process 5557 (syz-executor2) total-vm:70212kB, anon-rss:60kB, file-rss:836kB, shmem-rss:0kB [ 795.142624] oom_reaper: reaped process 5557 (syz-executor2), now anon-rss:0kB, file-rss:32768kB, shmem-rss:0kB 01:53:04 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x4, &(0x7f0000000380)=ANY=[]) 01:53:04 executing program 3: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x4000, 0x0) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DAEMON(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x94, r1, 0x20, 0x70bd2c, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_DEST={0xc, 0x2, [@IPVS_DEST_ATTR_WEIGHT={0x8, 0x4, 0x1}]}, @IPVS_CMD_ATTR_SERVICE={0x6c, 0x1, [@IPVS_SVC_ATTR_AF={0x8, 0x1, 0xa}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e23}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@remote}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x3}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@broadcast}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e22}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'dh\x00'}, @IPVS_SVC_ATTR_AF={0x8, 0x1, 0x2}, @IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x4e}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x40000}, 0x50) r2 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x200100, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r2, &(0x7f0000000300)=ANY=[], 0x0) r3 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f00000000c0)) lseek(r2, 0x0, 0x100000000000000) 01:53:05 executing program 0: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000200)='/proc/sys/net/ipv4/vs/sync_retries\x00', 0x2, 0x0) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000280)=0x0) r2 = socket$inet6_dccp(0xa, 0x6, 0x0) fsetxattr$trusted_overlay_opaque(r2, &(0x7f0000000100)='trusted.overlay.opaque\x00', &(0x7f0000000140)='y\x00', 0x2, 0x3) r3 = syz_open_procfs(r1, &(0x7f0000000000)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r3, &(0x7f00000017c0), 0x1fe, 0x400000000000) syz_genetlink_get_family_id$team(&(0x7f0000000180)='team\x00') getsockopt$inet_mreqn(r0, 0x0, 0x23, &(0x7f00000002c0)={@broadcast, @broadcast}, &(0x7f0000000300)=0xc) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000380)={'vcan0\x00'}) getpeername$packet(r3, &(0x7f00000003c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000400)=0x14) getsockopt$inet_IP_XFRM_POLICY(r3, 0x0, 0x11, &(0x7f0000000440)={{{@in=@remote, @in6=@loopback}}, {{@in=@dev}, 0x0, @in=@local}}, &(0x7f0000000540)=0xe8) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000000580)={'team0\x00'}) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000ac0)={{{@in=@multicast2, @in6=@loopback}}, {{}, 0x0, @in=@multicast2}}, &(0x7f0000000bc0)=0xe8) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000000c00)={'team0\x00'}) getsockopt$inet_mreqn(r3, 0x0, 0x0, &(0x7f0000000c40)={@empty, @broadcast}, &(0x7f0000000c80)=0xc) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000d40)={'team0\x00'}) accept$packet(r3, &(0x7f0000000dc0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000e00)=0x14) getsockname$packet(r0, &(0x7f0000002380)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f00000023c0)=0x14) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000002400)={'team0\x00'}) getsockname$packet(r0, &(0x7f0000002440)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000002480)=0x14) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r5, 0x0, 0x2a, &(0x7f0000008000)={0x1, {{0x2, 0x0, @multicast2}}}, 0x90) mprotect(&(0x7f0000008000/0x2000)=nil, 0x2000, 0x3) getsockopt$inet_buf(r5, 0x0, 0x30, &(0x7f0000008000)=""/144, &(0x7f000000effc)=0x90) clock_gettime(0x0, &(0x7f0000005f00)={0x0, 0x0}) recvmmsg(r0, &(0x7f0000005d40)=[{{&(0x7f00000024c0)=@in={0x2, 0x0, @multicast2}, 0x80, &(0x7f00000028c0)=[{&(0x7f0000002540)=""/227, 0xe3}, {&(0x7f0000002640)=""/18, 0x12}, {&(0x7f0000002680)=""/152, 0x98}, {&(0x7f0000002740)=""/82, 0x52}, {&(0x7f00000027c0)=""/35, 0x23}, {&(0x7f0000002800)=""/190, 0xbe}], 0x6, &(0x7f0000002940)=""/138, 0x8a, 0x3}, 0x7f}, {{&(0x7f0000002a00)=@alg, 0x80, &(0x7f0000002d40)=[{&(0x7f0000002a80)=""/197, 0xc5}, {&(0x7f0000002b80)=""/169, 0xa9}, {&(0x7f0000002c40)=""/15, 0xf}, {&(0x7f0000002c80)=""/159, 0x9f}], 0x4, &(0x7f0000002d80)=""/146, 0x92, 0x3f}, 0x1}, {{0x0, 0x0, &(0x7f0000002f80)=[{&(0x7f0000002e40)=""/101, 0x65}, {&(0x7f0000002ec0)=""/159, 0x9f}, {&(0x7f0000003000)=""/126, 0x7e}], 0x3, 0x0, 0x0, 0xbd8}, 0x7fff}, {{0x0, 0x0, &(0x7f0000004240)=[{&(0x7f0000003080)=""/192, 0xc0}, {&(0x7f0000003140)=""/24, 0x18}, {&(0x7f0000003180)=""/4096, 0x1000}, {&(0x7f0000004180)=""/191, 0xbf}], 0x4, &(0x7f0000004280)=""/106, 0x6a}, 0x5}, {{&(0x7f0000004300)=@pptp={0x18, 0x2, {0x0, @loopback}}, 0x80, &(0x7f00000044c0)=[{&(0x7f0000004380)=""/148, 0x94}, {&(0x7f0000004440)=""/75, 0x4b}], 0x2, &(0x7f0000004500)=""/216, 0xd8, 0x1}, 0x1}, {{&(0x7f0000004600)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}}}, 0x80, &(0x7f0000004880)=[{&(0x7f0000004680)=""/224, 0xe0}, {&(0x7f0000004780)=""/168, 0xa8}, {&(0x7f0000004840)=""/59, 0x3b}], 0x3, 0x0, 0x0, 0x2}, 0xfffffffffffeffff}, {{&(0x7f00000048c0)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x80, &(0x7f0000005c00)=[{&(0x7f0000004940)=""/85, 0x55}, {&(0x7f00000049c0)=""/181, 0xb5}, {&(0x7f0000004a80)=""/23, 0x17}, {&(0x7f0000004ac0)=""/196, 0xc4}, {&(0x7f0000004bc0)=""/4096, 0x1000}, {&(0x7f0000005bc0)}], 0x6, &(0x7f0000005c80)=""/138, 0x8a, 0xffffffff}, 0x2}], 0x7, 0x10040, &(0x7f0000005f40)={r6, r7+10000000}) accept(r3, &(0x7f0000005f80)=@xdp, &(0x7f0000006000)=0x80) 01:53:05 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) sendmsg$alg(0xffffffffffffffff, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(0xffffffffffffffff, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:53:07 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) accept4$packet(r1, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000001c0)=0x14, 0x800) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000200)={'vcan0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000440)={'vcan0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f0000000480)={'team0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000000640)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000600)={&(0x7f00000004c0)=@bridge_getlink={0x134, 0x12, 0x10, 0x70bd25, 0x25dfdbfc, {0x7, 0x0, 0x0, r2, 0x60, 0x32}, [@IFLA_LINKINFO={0xb0, 0x12, @sit={{0x8, 0x1, 'sit\x00'}, {0xa4, 0x2, [@IFLA_IPTUN_FLAGS={0x8, 0x8, 0x17}, @IFLA_IPTUN_REMOTE={0x14, 0x3, @dev={0xfe, 0x80, [], 0xa}}, @IFLA_IPTUN_LOCAL={0x14, 0x2, @ipv4={[], [], @broadcast}}, @IFLA_IPTUN_REMOTE={0x14, 0x3, @mcast1}, @IFLA_IPTUN_PROTO={0x8}, @IFLA_IPTUN_REMOTE={0x14, 0x3, @ipv4={[], [], @local}}, @tunl_policy=[@IFLA_IPTUN_LINK={0x8, 0x2, r3}, @IFLA_IPTUN_TOS={0x8, 0x5, 0x1}, @IFLA_IPTUN_LINK={0x8, 0x2, r4}, @IFLA_IPTUN_COLLECT_METADATA={0x4}, @IFLA_IPTUN_LINK={0x8, 0x2, r5}, @IFLA_IPTUN_ENCAP_TYPE={0x8, 0xf, 0x3}, @IFLA_IPTUN_ENCAP_FLAGS={0x8, 0x10, 0x5}, @IFLA_IPTUN_COLLECT_METADATA={0x4}, @IFLA_IPTUN_ENCAP_SPORT={0x8, 0x11, 0x4e23}]]}}}, @IFLA_LINK={0x8, 0x5, 0x20}, @IFLA_XDP={0x40, 0x2b, [@generic="a58ff86195c06de2a9b73214cbf98348af76a5f94f9783a1ccd0a358f80434090493653c1f", @generic="17c8b5c218a10f0b6ac71fb0a3ab1c9146203948bd9c"]}, @IFLA_IFNAME={0x14, 0x3, 'bridge_slave_1\x00'}, @IFLA_OPERSTATE={0x8, 0x10, 0x4}]}, 0x134}, 0x1, 0x0, 0x0, 0x20008081}, 0x4000000) [ 801.447521] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 801.464168] syz-executor4 cpuset=syz4 mems_allowed=0 [ 801.474678] CPU: 0 PID: 3065 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 801.481892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 801.491256] Call Trace: [ 801.493877] dump_stack+0x1c4/0x2b4 [ 801.497534] ? dump_stack_print_info.cold.2+0x52/0x52 [ 801.501342] 9pnet_virtio: no channels available for device /dev/zero [ 801.502759] ? kasan_check_read+0x11/0x20 [ 801.502790] warn_alloc.cold.119+0xb7/0x1bd [ 801.502818] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 801.522623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.528206] __vmalloc_node_range+0x472/0x750 [ 801.532736] ? graph_lock+0x170/0x170 [ 801.536562] ? __lock_is_held+0xb5/0x140 [ 801.540763] ? sel_write_load+0x1d1/0x460 [ 801.544920] vmalloc+0x6f/0x80 [ 801.548150] ? sel_write_load+0x1d1/0x460 [ 801.552327] sel_write_load+0x1d1/0x460 [ 801.556334] __vfs_write+0x119/0x9f0 [ 801.560060] ? check_preemption_disabled+0x48/0x200 [ 801.565088] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 801.570047] ? kernel_read+0x120/0x120 [ 801.573970] ? __lock_is_held+0xb5/0x140 [ 801.578079] ? rcu_read_lock_sched_held+0x108/0x120 [ 801.583129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 801.588687] ? __sb_start_write+0x1b2/0x370 [ 801.593031] vfs_write+0x1fc/0x560 [ 801.596616] ksys_write+0x101/0x260 [ 801.600276] ? __ia32_sys_read+0xb0/0xb0 [ 801.604352] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 801.609826] __x64_sys_write+0x73/0xb0 [ 801.614171] do_syscall_64+0x1b9/0x820 [ 801.618071] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 801.623463] ? syscall_return_slowpath+0x5e0/0x5e0 [ 801.628414] ? trace_hardirqs_on_caller+0x310/0x310 [ 801.633448] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 801.638497] ? recalc_sigpending_tsk+0x180/0x180 [ 801.643268] ? kasan_check_write+0x14/0x20 [ 801.647526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 801.652816] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 801.658028] RIP: 0033:0x457679 [ 801.661245] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 801.680575] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 801.688327] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 801.695613] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 801.702924] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 801.710201] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 801.717477] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 801.730007] 9pnet_virtio: no channels available for device /dev/zero [ 801.733100] warn_alloc_show_mem: 1 callbacks suppressed [ 801.733105] Mem-Info: 01:53:07 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0xffffff8c, &(0x7f0000000380)=ANY=[]) 01:53:07 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) r1 = getpid() ptrace$peek(0x1, r1, &(0x7f0000000000)) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) [ 801.744812] active_anon:1017406 inactive_anon:369 isolated_anon:0 [ 801.744812] active_file:1867 inactive_file:2315 isolated_file:0 [ 801.744812] unevictable:9372 dirty:141 writeback:0 unstable:0 [ 801.744812] slab_reclaimable:18472 slab_unreclaimable:122120 [ 801.744812] mapped:56615 shmem:385 pagetables:56473 bounce:0 [ 801.744812] free:264468 free_pcp:1371 free_cma:0 [ 801.796705] Node 0 active_anon:4069576kB inactive_anon:1476kB active_file:7524kB inactive_file:9608kB unevictable:37428kB isolated(anon):0kB isolated(file):0kB mapped:227104kB dirty:584kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 3534848kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 801.836025] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 801.863715] lowmem_reserve[]: 0 2817 6321 6321 [ 801.870928] Node 0 DMA32 free:771388kB min:30048kB low:37560kB high:45072kB active_anon:1900848kB inactive_anon:4kB active_file:3920kB inactive_file:5156kB unevictable:0kB writepending:92kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:34752kB pagetables:32692kB bounce:0kB free_pcp:2804kB local_pcp:1436kB free_cma:0kB [ 801.902373] lowmem_reserve[]: 0 0 3503 3503 [ 801.907271] Node 0 Normal free:275860kB min:37364kB low:46704kB high:56044kB active_anon:2168628kB inactive_anon:1472kB active_file:4104kB inactive_file:4052kB unevictable:37428kB writepending:492kB present:4718592kB managed:3587728kB mlocked:37428kB kernel_stack:93280kB pagetables:192892kB bounce:0kB free_pcp:2512kB local_pcp:1256kB free_cma:0kB [ 801.941464] lowmem_reserve[]: 0 0 0 0 [ 801.945746] 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 [ 801.961158] Node 0 DMA32: 2901*4kB (UME) 1481*8kB (UME) 464*16kB (UME) 358*32kB (UME) 66*64kB (UME) 43*128kB (UME) 26*256kB (UME) 17*512kB (UME) 4*1024kB (UE) 276*2048kB (M) 33*4096kB (M) = 771932kB 01:53:07 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x100000000000000, &(0x7f0000000380)=ANY=[]) [ 801.982500] Node 0 Normal: 10185*4kB (UMEH) 6383*8kB (UMEH) 2305*16kB (UMEH) 973*32kB (UMEH) 95*64kB (UME) 13*128kB (UE) 1*256kB (U) 2*512kB (U) 2*1024kB (U) 45*2048kB (ME) 3*4096kB (M) = 275340kB [ 802.007484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 802.017354] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 802.037515] 9547 total pagecache pages [ 802.041969] 0 pages in swap cache [ 802.046519] Swap cache stats: add 0, delete 0, find 0/0 [ 802.056452] Free swap = 0kB [ 802.082306] Total swap = 0kB 01:53:08 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x7000000, &(0x7f0000000380)=ANY=[]) [ 802.098758] 1965979 pages RAM [ 802.112715] 0 pages HighMem/MovableOnly [ 802.116910] 342745 pages reserved [ 802.120585] 0 pages cma reserved [ 802.124157] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) 01:53:08 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000009c0)='net/arp\x00') sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r0, &(0x7f00000017c0), 0x1fe, 0x400000000000) prctl$void(0x3f) [ 802.152180] syz-executor3 cpuset=syz3 mems_allowed=0 [ 802.157733] CPU: 0 PID: 3064 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 802.164942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 802.174309] Call Trace: [ 802.176940] dump_stack+0x1c4/0x2b4 [ 802.180612] ? dump_stack_print_info.cold.2+0x52/0x52 [ 802.185865] ? kasan_check_read+0x11/0x20 [ 802.190057] warn_alloc.cold.119+0xb7/0x1bd [ 802.194397] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 802.199265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.204854] __vmalloc_node_range+0x472/0x750 [ 802.209382] ? graph_lock+0x170/0x170 [ 802.213215] ? __lock_is_held+0xb5/0x140 [ 802.217308] ? sel_write_load+0x1d1/0x460 [ 802.221482] vmalloc+0x6f/0x80 [ 802.224703] ? sel_write_load+0x1d1/0x460 [ 802.228865] sel_write_load+0x1d1/0x460 [ 802.232862] __vfs_write+0x119/0x9f0 [ 802.236617] ? check_preemption_disabled+0x48/0x200 [ 802.241644] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 802.246586] ? kernel_read+0x120/0x120 [ 802.250502] ? __lock_is_held+0xb5/0x140 [ 802.254589] ? rcu_read_lock_sched_held+0x108/0x120 [ 802.259626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.265165] ? __sb_start_write+0x1b2/0x370 [ 802.269499] vfs_write+0x1fc/0x560 [ 802.273062] ksys_write+0x101/0x260 [ 802.276710] ? __ia32_sys_read+0xb0/0xb0 [ 802.280785] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 802.286247] __x64_sys_write+0x73/0xb0 [ 802.290145] do_syscall_64+0x1b9/0x820 [ 802.294037] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 802.299407] ? syscall_return_slowpath+0x5e0/0x5e0 [ 802.304349] ? trace_hardirqs_on_caller+0x310/0x310 [ 802.309374] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 802.314394] ? recalc_sigpending_tsk+0x180/0x180 [ 802.319153] ? kasan_check_write+0x14/0x20 [ 802.323404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 802.328286] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 802.333498] RIP: 0033:0x457679 01:53:08 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) bind$alg(r3, &(0x7f00000002c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(blowfish)\x00'}, 0x58) r4 = accept$alg(r3, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(r4, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) [ 802.336702] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 802.355614] RSP: 002b:00007fb249b39c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 802.363329] RAX: ffffffffffffffda RBX: 00007fb249b3a6d4 RCX: 0000000000457679 [ 802.370619] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 802.377891] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 802.385177] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 802.392464] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 802.444385] 9pnet_virtio: no channels available for device /dev/zero [ 802.471767] 9pnet_virtio: no channels available for device /dev/zero [ 802.488112] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 802.525402] SELinux: failed to load policy [ 802.530725] syz-executor3: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 802.544509] syz-executor3 cpuset= [ 802.553132] syz3 mems_allowed=0 [ 802.566916] CPU: 1 PID: 3097 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #28 [ 802.574144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 802.583500] Call Trace: [ 802.586111] dump_stack+0x1c4/0x2b4 [ 802.589763] ? dump_stack_print_info.cold.2+0x52/0x52 [ 802.594982] ? kasan_check_read+0x11/0x20 [ 802.599149] warn_alloc.cold.119+0xb7/0x1bd [ 802.603485] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 802.608387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.613976] __vmalloc_node_range+0x472/0x750 [ 802.618489] ? graph_lock+0x170/0x170 [ 802.622303] ? __lock_is_held+0xb5/0x140 [ 802.626388] ? sel_write_load+0x1d1/0x460 [ 802.630563] vmalloc+0x6f/0x80 [ 802.633796] ? sel_write_load+0x1d1/0x460 [ 802.637976] sel_write_load+0x1d1/0x460 [ 802.641995] __vfs_write+0x119/0x9f0 [ 802.645720] ? check_preemption_disabled+0x48/0x200 [ 802.650963] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 802.655906] ? kernel_read+0x120/0x120 [ 802.659815] ? __lock_is_held+0xb5/0x140 [ 802.663903] ? rcu_read_lock_sched_held+0x108/0x120 [ 802.668933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 802.674487] ? __sb_start_write+0x1b2/0x370 [ 802.678821] vfs_write+0x1fc/0x560 [ 802.682376] ksys_write+0x101/0x260 [ 802.686025] ? __ia32_sys_read+0xb0/0xb0 [ 802.690108] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 802.695588] __x64_sys_write+0x73/0xb0 [ 802.699490] do_syscall_64+0x1b9/0x820 [ 802.703414] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 802.708789] ? syscall_return_slowpath+0x5e0/0x5e0 [ 802.713746] ? trace_hardirqs_on_caller+0x310/0x310 [ 802.718777] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 802.723806] ? recalc_sigpending_tsk+0x180/0x180 [ 802.728576] ? kasan_check_write+0x14/0x20 [ 802.732829] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 802.737699] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 802.742896] RIP: 0033:0x457679 [ 802.746107] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 802.765541] RSP: 002b:00007fb249b18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 802.773270] RAX: ffffffffffffffda RBX: 00007fb249b196d4 RCX: 0000000000457679 [ 802.780547] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 [ 802.787831] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 802.795111] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 802.802390] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000001 [ 802.818748] warn_alloc_show_mem: 1 callbacks suppressed [ 802.818753] Mem-Info: [ 802.832146] active_anon:1020097 inactive_anon:369 isolated_anon:0 [ 802.832146] active_file:2168 inactive_file:2294 isolated_file:0 [ 802.832146] unevictable:9222 dirty:174 writeback:0 unstable:0 [ 802.832146] slab_reclaimable:18421 slab_unreclaimable:119893 [ 802.832146] mapped:56810 shmem:385 pagetables:56535 bounce:0 [ 802.832146] free:266313 free_pcp:1196 free_cma:0 [ 802.867235] Node 0 active_anon:4080388kB inactive_anon:1476kB active_file:8672kB inactive_file:9276kB unevictable:36888kB isolated(anon):0kB isolated(file):0kB mapped:227240kB dirty:696kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 3545088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 802.896642] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 802.923505] lowmem_reserve[]: 0 2817 6321 6321 [ 802.928152] Node 0 DMA32 free:776728kB min:30048kB low:37560kB high:45072kB active_anon:1900848kB inactive_anon:4kB active_file:4152kB inactive_file:4924kB unevictable:0kB writepending:96kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:30976kB pagetables:32692kB bounce:0kB free_pcp:2652kB local_pcp:1392kB free_cma:0kB [ 802.928211] lowmem_reserve[]: 0 0 3503 3503 [ 802.963780] Node 0 Normal free:272616kB min:37364kB low:46704kB high:56044kB active_anon:2179540kB inactive_anon:1472kB active_file:4520kB inactive_file:4352kB unevictable:36888kB writepending:600kB present:4718592kB managed:3587728kB mlocked:36828kB kernel_stack:89408kB pagetables:193448kB bounce:0kB free_pcp:2124kB local_pcp:804kB free_cma:0kB [ 802.994921] lowmem_reserve[]: 0 0 0 0 [ 802.998881] 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 [ 803.012891] Node 0 DMA32: 2920*4kB (UME) 1564*8kB (UME) 492*16kB (UME) 465*32kB (UME) 71*64kB (UME) 43*128kB (UME) 26*256kB (UME) 17*512kB (UME) 4*1024kB (UE) 276*2048kB (M) 33*4096kB (M) = 776864kB [ 803.032345] Node 0 Normal: 9996*4kB (UMEH) 6350*8kB (UMEH) 2398*16kB (UMEH) 1110*32kB (UMEH) 110*64kB (UME) 13*128kB (UE) 0*256kB 2*512kB (U) 2*1024kB (U) 41*2048kB (ME) 3*4096kB (M) = 272704kB [ 803.050582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 803.060170] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 803.069144] 9593 total pagecache pages [ 803.073647] 0 pages in swap cache [ 803.077460] Swap cache stats: add 0, delete 0, find 0/0 [ 803.083375] Free swap = 0kB [ 803.086777] Total swap = 0kB [ 803.091484] 1965979 pages RAM [ 803.094958] 0 pages HighMem/MovableOnly [ 803.099375] 342745 pages reserved [ 803.103204] 0 pages cma reserved [ 803.107099] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 803.118322] syz-executor4 cpuset=syz4 mems_allowed=0 [ 803.133436] CPU: 0 PID: 3108 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 803.140652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 803.150023] Call Trace: [ 803.152633] dump_stack+0x1c4/0x2b4 [ 803.156295] ? dump_stack_print_info.cold.2+0x52/0x52 [ 803.161510] ? kasan_check_read+0x11/0x20 [ 803.165683] warn_alloc.cold.119+0xb7/0x1bd [ 803.170024] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 803.174880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.180444] __vmalloc_node_range+0x472/0x750 [ 803.184967] ? graph_lock+0x170/0x170 [ 803.188775] ? __lock_is_held+0xb5/0x140 [ 803.192851] ? sel_write_load+0x1d1/0x460 [ 803.197011] vmalloc+0x6f/0x80 [ 803.200215] ? sel_write_load+0x1d1/0x460 [ 803.204391] sel_write_load+0x1d1/0x460 [ 803.208405] __vfs_write+0x119/0x9f0 [ 803.212147] ? check_preemption_disabled+0x48/0x200 [ 803.217171] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 803.222109] ? kernel_read+0x120/0x120 [ 803.226012] ? __lock_is_held+0xb5/0x140 [ 803.230092] ? rcu_read_lock_sched_held+0x108/0x120 [ 803.235119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.240666] ? __sb_start_write+0x1b2/0x370 [ 803.245003] vfs_write+0x1fc/0x560 [ 803.248567] ksys_write+0x101/0x260 [ 803.252223] ? __ia32_sys_read+0xb0/0xb0 [ 803.256323] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 803.261804] __x64_sys_write+0x73/0xb0 [ 803.265713] do_syscall_64+0x1b9/0x820 [ 803.269612] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 803.274987] ? syscall_return_slowpath+0x5e0/0x5e0 [ 803.279946] ? trace_hardirqs_on_caller+0x310/0x310 [ 803.284999] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 803.290021] ? recalc_sigpending_tsk+0x180/0x180 [ 803.294789] ? kasan_check_write+0x14/0x20 [ 803.299050] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 803.303915] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 803.309110] RIP: 0033:0x457679 [ 803.312313] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 803.331220] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 803.338939] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 803.346215] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 803.353488] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 803.360761] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 803.368035] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 803.378652] SELinux: policydb magic number 0x28bc22e1 does not match expected magic number 0xf97cff8c [ 803.393418] SELinux: failed to load policy [ 805.655166] IPVS: ftp: loaded support on port[0] = 21 [ 807.122802] device bridge_slave_1 left promiscuous mode [ 807.128351] bridge0: port 2(bridge_slave_1) entered disabled state [ 807.170140] device bridge_slave_0 left promiscuous mode [ 807.175670] bridge0: port 1(bridge_slave_0) entered disabled state [ 809.290041] team0 (unregistering): Port device team_slave_1 removed [ 809.300591] team0 (unregistering): Port device team_slave_0 removed [ 809.311492] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 809.353446] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 809.411328] bond0 (unregistering): Released all slaves [ 809.492146] bridge0: port 1(bridge_slave_0) entered blocking state [ 809.498635] bridge0: port 1(bridge_slave_0) entered disabled state [ 809.505749] device bridge_slave_0 entered promiscuous mode [ 809.538211] bridge0: port 2(bridge_slave_1) entered blocking state [ 809.544775] bridge0: port 2(bridge_slave_1) entered disabled state [ 809.552838] device bridge_slave_1 entered promiscuous mode [ 809.596241] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 809.642763] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 809.786686] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 809.836810] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 810.062718] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 810.070620] team0: Port device team_slave_0 added [ 810.118588] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 810.126198] team0: Port device team_slave_1 added [ 810.171630] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 810.221994] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 810.273257] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 810.280893] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 810.298968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 810.340400] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 810.347594] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 810.365640] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 810.838318] bridge0: port 2(bridge_slave_1) entered blocking state [ 810.844807] bridge0: port 2(bridge_slave_1) entered forwarding state [ 810.851553] bridge0: port 1(bridge_slave_0) entered blocking state [ 810.857959] bridge0: port 1(bridge_slave_0) entered forwarding state [ 810.866405] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 811.479815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 811.941835] 8021q: adding VLAN 0 to HW filter on device bond0 [ 812.037712] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 812.133141] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 812.139721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 812.146765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 812.243657] 8021q: adding VLAN 0 to HW filter on device team0 01:53:18 executing program 2: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000380)=ANY=[]) rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) lseek(0xffffffffffffffff, 0x0, 0x0) 01:53:18 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x2c000000, &(0x7f0000000380)=ANY=[]) 01:53:18 executing program 0: getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040), &(0x7f0000000100)=0xc) clone(0x4800000, &(0x7f0000000240)="97f226da6124b745a39654ef8315cce04beea3b5f8c1e3c2b22cb3195af73ee76589d8a1ed8e2d0c36d2d7ee4ea1831a896ce0a713c2df25a62f14cb60c942ab109ce5255e98b18c7cefa3dfa9ec71527a32e9fdfefb7f63fe431e348b65cb42a9028080ec547f74ef1d095b6e5d13755b99525898340e5f31c3e79e1a1b5cb7c94cb5c22cec71645d8f3d5dd1b8a660d4ea699fa1ac1bd8860d0b694e1c688c134134426b6452ad7ffd12fe60f88d636c71", &(0x7f0000000000), &(0x7f0000000140), &(0x7f0000000300)="be4276f4435e761f6fb38a9578ae75516591c9c92de3801333d1a2d56c6b41d06c56d64e2c9e0f2b02571cde13bb36de964b6f888f87ffd13a157c668f4ee1034f1f85775823a39d74b11ac2f82b7ffddfe24250e1239dab30c4d799c7fec0f0cb6533515491fbb8513bc775b4709b1b9e112ddec59e7ebdf83fbb651a040d5ee44162ce3939b21d02aeb4adb5d54ceb") fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000180)={0x0, 0x0}) r1 = syz_open_procfs(r0, &(0x7f00000001c0)="6e65742f607270004ca17a205e905b7a74d0e7cdda767638914c03c9659340ed77e2b3a54912aa841895c5127ab3b93795871f24ddcdd01765176781bb4de6fb0d721f3311e6c68208") sendmsg(0xffffffffffffffff, &(0x7f0000002fc8)={&(0x7f0000000080)=@nl, 0x80, &(0x7f0000000540), 0x0, &(0x7f00000002c0)=ANY=[]}, 0x0) preadv(r1, &(0x7f00000017c0), 0x1fe, 0x400000000000) 01:53:18 executing program 3: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f00000001c0)=[@in={0x2, 0x4e24, @broadcast}, @in={0x2, 0x4e23, @local}, @in6={0xa, 0x4e24, 0x9, @mcast2, 0x6}, @in={0x2, 0x4e22, @broadcast}, @in={0x2, 0x4e24, @rand_addr=0x20}, @in={0x2, 0x4e23, @multicast1}, @in={0x2, 0x4e21, @multicast1}, @in={0x2, 0x4e21, @loopback}, @in6={0xa, 0x4e23, 0x8, @remote, 0x5}], 0xa8) lseek(r0, 0x0, 0x100000000000000) ioctl$TUNGETFEATURES(r1, 0x800454cf, &(0x7f0000000000)) 01:53:18 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/load\x00', 0x2, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[], 0x0) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r3 = socket$alg(0x26, 0x5, 0x0) ioctl$BLKTRACESTOP(r1, 0x1275, 0x0) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f0000000080)="ab553fec", 0x4) r4 = accept$alg(r3, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) write$binfmt_script(r4, &(0x7f00000000c0)=ANY=[@ANYPTR64=&(0x7f0000002400)=ANY=[]], 0x8) recvmsg(r4, &(0x7f00000009c0)={&(0x7f0000000100)=@nfc, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000180)=""/119, 0x7ffff000}, {&(0x7f00000003c0)=""/202, 0xca}], 0x2, &(0x7f0000000980)=""/55, 0x37}, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x100000000000000) 01:53:18 executing program 5: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000000240)='/selinux/load\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) write$selinux_load(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="e122bc288a8462225e71b9c180dbb98ea092dba20c45e32ab4ff83b57bf8f52d03004a66d0160db1756352c554e4fb456d9aaef299b440bd038a2262bfb7b82d8d99af197e08929e31af2cc074261a6f4308f4707197b33c6cf192252ab4901c5e795d41eb9e5c698bcb72ebe9ab41b17fad9f6826554e83a06e4b9de91c30173dcdff18115e30241513b0867350bffd738785000000000000000000c1fbd2a51e929f674d6680a7886c8f651a6d7134dc2b18157ca08931e1eaab89b5346511a7f62afac6cd5d1dbd58e0198efb37a0f3915ad2bbe4"], 0xd6) r1 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x0, 0x0) ioctl$TUNSETSNDBUF(r1, 0x400454d4, &(0x7f00000000c0)) lseek(r0, 0x0, 0x0) [ 812.839756] 9pnet_virtio: no channels available for device /dev/zero [ 812.848414] 9pnet_virtio: no channels available for device /dev/zero 01:53:18 executing program 1: creat(&(0x7f0000000400)='./file0\x00', 0x0) clone(0x802102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000040), 0xffffffffffffffff) stat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)) mount$9p_virtio(&(0x7f00000000c0)='/dev/zero\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x700, &(0x7f0000000380)=ANY=[]) [ 812.880044] 9pnet_virtio: no channels available for device /dev/zero [ 812.892981] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) [ 812.905659] 9pnet_virtio: no channels available for device /dev/zero [ 812.933376] syz-executor4 cpuset=syz4 mems_allowed=0 [ 812.961403] CPU: 0 PID: 3384 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #28 [ 812.968649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 812.978027] Call Trace: [ 812.980741] dump_stack+0x1c4/0x2b4 [ 812.982194] 9pnet_virtio: no channels available for device /dev/zero [ 812.984387] ? dump_stack_print_info.cold.2+0x52/0x52 [ 812.984411] ? kasan_check_read+0x11/0x20 [ 812.984450] warn_alloc.cold.119+0xb7/0x1bd [ 813.004617] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 813.009472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 813.015071] __vmalloc_node_range+0x472/0x750 [ 813.019595] ? graph_lock+0x170/0x170 [ 813.023434] ? __lock_is_held+0xb5/0x140 [ 813.027510] ? sel_write_load+0x1d1/0x460 [ 813.031683] vmalloc+0x6f/0x80 [ 813.031688] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 813.031701] BUG: unable to handle kernel paging request at ffff8801daf2cc30 [ 813.034890] ? sel_write_load+0x1d1/0x460 [ 813.042515] PGD be6f067 [ 813.049633] sel_write_load+0x1d1/0x460 [ 813.053756] P4D be6f067 [ 813.056430] __vfs_write+0x119/0x9f0 [ 813.060376] PUD 1d9420063 [ 813.063056] ? check_preemption_disabled+0x48/0x200 [ 813.066770] PMD 80000001dae001e3 [ 813.069632] ? sel_make_policy_nodes+0x1f20/0x1f20 [ 813.078086] ? kernel_read+0x120/0x120 [ 813.083017] Oops: 0011 [#1] PREEMPT SMP KASAN [ 813.086902] ? __lock_is_held+0xb5/0x140 [ 813.091378] CPU: 1 PID: 3391 Comm: blkid Not tainted 4.19.0-rc4+ #28 [ 813.095440] ? rcu_read_lock_sched_held+0x108/0x120 [ 813.101914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 813.106930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 813.116275] RIP: 0010:0xffff8801daf2cc30 [ 813.121805] ? __sb_start_write+0x1b2/0x370 [ 813.125854] Code: 00 00 00 00 00 00 00 00 00 00 00 0c 20 00 00 00 00 00 03 00 00 00 03 00 00 00 00 00 00 00 00 00 00 00 2e 30 67 9a 2c 07 00 00 <98> a6 16 9d 01 88 ff ff 98 a6 16 9d 01 88 ff ff 80 e5 bc 0f 01 88 [ 813.130168] vfs_write+0x1fc/0x560 [ 813.149055] RSP: 0018:ffff8801c0e8ee28 EFLAGS: 00010046 [ 813.152629] ksys_write+0x101/0x260 [ 813.157978] RAX: ffff8801daf2cc30 RBX: 0000000000000000 RCX: 0000000000000000 [ 813.161614] ? __ia32_sys_read+0xb0/0xb0 [ 813.168873] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d9517db8 [ 813.172979] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 813.180229] RBP: ffff8801c0e8ef40 R08: ffff8801d9517db8 R09: ffff8801c0e8ef90 [ 813.185690] __x64_sys_write+0x73/0xb0 [ 813.192960] R10: fffffbfff12b9fec R11: ffffffff895cff63 R12: ffffffff895cff98 [ 813.196843] do_syscall_64+0x1b9/0x820 [ 813.204107] R13: 1ffff1003b2a2fa5 R14: dffffc0000000000 R15: 0000000000000000 [ 813.208001] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 813.215253] FS: 00007f5b07f1c7a0(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 813.220641] ? syscall_return_slowpath+0x5e0/0x5e0 [ 813.228856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 813.233794] ? trace_hardirqs_on_caller+0x310/0x310 [ 813.239660] CR2: ffff8801daf2cc30 CR3: 000000010c7b2000 CR4: 00000000001406e0 [ 813.244675] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 813.251928] Call Trace: [ 813.256965] ? recalc_sigpending_tsk+0x180/0x180 [ 813.259547] ? __wake_up_common+0x1d7/0x7d0 [ 813.264315] ? kasan_check_write+0x14/0x20 [ 813.268628] ? wait_woken+0x270/0x270 [ 813.272855] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 813.276652] ? __wake_up_common_lock+0x19e/0x330 [ 813.281490] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 813.286230] ? trace_hardirqs_on+0x310/0x310 [ 813.291402] RIP: 0033:0x457679 [ 813.295801] ? kasan_check_write+0x14/0x20 [ 813.298993] Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 813.303218] ? do_raw_spin_lock+0xc1/0x200 [ 813.322119] RSP: 002b:00007f8e2b9adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 813.326380] __wake_up_common_lock+0x1c2/0x330 [ 813.326398] ? __wake_up_common+0x7d0/0x7d0 [ 813.334102] RAX: ffffffffffffffda RBX: 00007f8e2b9ae6d4 RCX: 0000000000457679 [ 813.338684] ? kasan_check_write+0x14/0x20 [ 813.342984] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 813.350265] ? do_raw_spin_lock+0xc1/0x200 [ 813.354506] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 813.361780] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 813.365991] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 813.373262] ? securityfs_remove+0x1e0/0x1e0 [ 813.378348] R13: 00000000004d8d00 R14: 00000000004c5602 R15: 0000000000000000 [ 813.385630] __wake_up+0xe/0x10 [ 813.400582] audit_log_end+0x116/0x2b0 [ 813.404486] common_lsm_audit+0x692/0x2200 [ 813.408738] ? rcu_read_unlock_special.part.39+0x8a4/0x11f0 [ 813.414478] ? ipv6_skb_to_auditdata+0xee0/0xee0 [ 813.419240] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 813.424354] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 813.429467] ? lockdep_hardirqs_on+0x421/0x5c0 [ 813.434065] ? trace_hardirqs_on+0xbd/0x310 [ 813.438396] ? kasan_check_read+0x11/0x20 [ 813.441517] 9pnet_virtio: no channels available for device /dev/zero [ 813.442554] ? rcu_read_unlock_special.part.39+0x8a4/0x11f0 [ 813.442582] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 813.442605] ? sync_rcu_preempt_exp_done+0xfe/0x180 [ 813.465273] ? rcu_sched_force_quiescent_state+0x20/0x20 [ 813.467611] 9pnet_virtio: no channels available for device /dev/zero [ 813.470727] ? kasan_check_write+0x14/0x20 [ 813.470745] ? graph_lock+0x170/0x170 [ 813.470759] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 813.470774] ? rcu_read_unlock_special.part.39+0x8a4/0x11f0 [ 813.470794] ? find_held_lock+0x36/0x1c0 [ 813.470812] slow_avc_audit+0x2c8/0x3d0 [ 813.478551] warn_alloc_show_mem: 1 callbacks suppressed [ 813.478556] Mem-Info: [ 813.481532] ? avc_get_hash_stats+0x600/0x600 [ 813.481550] ? __rcu_read_unlock+0x2e5/0x2f0 [ 813.481575] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 813.481586] ? kasan_check_read+0x11/0x20 [ 813.481600] ? rcu_bh_qs+0xc0/0xc0 [ 813.481613] ? avc_denied+0x16d/0x1c0 [ 813.481631] avc_has_perm+0x658/0x7e0 [ 813.486443] active_anon:1021660 inactive_anon:369 isolated_anon:0 [ 813.486443] active_file:7315 inactive_file:3654 isolated_file:0 [ 813.486443] unevictable:0 dirty:449 writeback:0 unstable:0 [ 813.486443] slab_reclaimable:17871 slab_unreclaimable:118357 [ 813.486443] mapped:53577 shmem:385 pagetables:56718 bounce:0 [ 813.486443] free:269320 free_pcp:1107 free_cma:0 [ 813.490552] ? __lock_is_held+0xb5/0x140 [ 813.490578] ? avc_has_perm_noaudit+0x630/0x630 [ 813.490595] ? find_held_lock+0x36/0x1c0 [ 813.490617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 813.490634] inode_has_perm.isra.58+0x173/0x210 [ 813.490663] selinux_mmap_file+0x14f/0x240 [ 813.490683] ? selinux_file_ioctl+0x730/0x730 [ 813.497482] Node 0 active_anon:4086640kB inactive_anon:1476kB active_file:29260kB inactive_file:14616kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:214308kB dirty:1796kB writeback:0kB shmem:1540kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 3526656kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 813.500491] ? setup_arg_pages+0x614/0x830 [ 813.500507] ? lock_downgrade+0x900/0x900 [ 813.500526] ? selinux_file_ioctl+0x730/0x730 [ 813.500539] security_mmap_file+0x12b/0x1b0 [ 813.500556] vm_mmap_pgoff+0x135/0x2c0 [ 813.500584] ? vma_is_stack_for_current+0xd0/0xd0 [ 813.505549] Node 0 [ 813.509923] ? down_read_killable+0x1f0/0x1f0 [ 813.509944] ? setup_arg_pages+0x619/0x830 [ 813.509958] vm_mmap+0x90/0xc0 [ 813.509974] elf_map+0x10b/0x2b0 [ 813.509990] load_elf_binary+0xeed/0x5620 [ 813.510018] ? notesize.isra.6+0x80/0x80 [ 813.513421] DMA free:15908kB min:164kB low:204kB high:244kB 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 [ 813.516912] ? preempt_schedule_common+0x1f/0xd0 [ 813.516929] ? preempt_schedule+0x4d/0x60 [ 813.516944] ? ___preempt_schedule+0x16/0x18 [ 813.516962] ? kasan_check_write+0x14/0x20 [ 813.534489] lowmem_reserve[]: [ 813.534820] search_binary_handler+0x17d/0x570 [ 813.541969] 0 [ 813.542451] __do_execve_file.isra.33+0x162f/0x2540 [ 813.577723] 2817 [ 813.580449] ? prepare_bprm_creds+0x120/0x120 [ 813.580463] ? usercopy_warn+0x110/0x110 [ 813.580479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 813.580493] ? check_preemption_disabled+0x48/0x200 [ 813.580518] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 813.586133] 6321 [ 813.589242] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 813.589270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 813.589283] ? strncpy_from_user+0x3be/0x510 [ 813.589298] ? digsig_verify+0x1530/0x1530 [ 813.589312] ? kmem_cache_alloc+0x33a/0x730 [ 813.589325] ? do_syscall_64+0x9a/0x820 [ 813.589342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 813.589354] ? getname_flags+0x26e/0x5a0 [ 813.589374] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 813.597665] 9pnet_virtio: no channels available for device /dev/zero [ 813.599612] __x64_sys_execve+0x8f/0xc0 [ 813.599630] do_syscall_64+0x1b9/0x820 [ 813.599644] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 813.599659] ? syscall_return_slowpath+0x5e0/0x5e0 [ 813.599673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 813.599687] ? trace_hardirqs_on_caller+0x310/0x310 [ 813.599702] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 813.599716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 813.599728] ? prepare_exit_to_usermode+0x291/0x3b0 [ 813.599743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 813.599760] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 813.599770] RIP: 0033:0x7f5b07600207 [ 813.599783] Code: Bad RIP value. [ 813.599798] RSP: 002b:00007ffe728bf5f8 EFLAGS: 00000202 [ 813.606390] 6321 [ 813.608522] ORIG_RAX: 000000000000003b [ 813.608531] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f5b07600207 [ 813.608540] RDX: 0000000000903710 RSI: 00007ffe728bf6f0 RDI: 00007ffe728c0700 [ 813.608548] RBP: 0000000000625500 R08: 00000000000033c4 R09: 00000000000033c4 [ 813.608556] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000903710 [ 813.608574] R13: 0000000000000007 R14: 00000000008cd030 R15: 0000000000000005 [ 813.608588] Modules linked in: [ 813.658204] CR2: ffff8801daf2cc30 [ 813.658219] ---[ end trace e00ab6d86d00381a ]--- [ 813.658233] RIP: 0010:0xffff8801daf2cc30 [ 813.658252] Code: 00 00 00 00 00 00 00 00 00 00 00 00 20 00 00 00 00 00 02 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 84 f9 6f 9a 2c 07 00 00 <98> 21 e6 cb 01 88 ff ff 98 21 e6 cb 01 88 ff ff 80 e5 bc 0f 01 88 [ 813.663645] Node 0 [ 813.665339] RSP: 0018:ffff8801c0e8ee28 EFLAGS: 00010046 [ 813.665352] RAX: ffff8801daf2cc30 RBX: 0000000000000000 RCX: 0000000000000000 [ 813.665361] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d9517db8 [ 813.665369] RBP: ffff8801c0e8ef40 R08: ffff8801d9517db8 R09: ffff8801c0e8ef90 [ 813.665384] R10: fffffbfff12b9fec R11: ffffffff895cff63 R12: ffffffff895cff98 [ 813.670771] DMA32 free:820780kB min:30048kB low:37560kB high:45072kB active_anon:1897412kB inactive_anon:0kB active_file:4184kB inactive_file:4892kB unevictable:0kB writepending:132kB present:3129332kB managed:2889300kB mlocked:0kB kernel_stack:30944kB pagetables:32692kB bounce:0kB free_pcp:2904kB local_pcp:1456kB free_cma:0kB [ 813.674135] R13: 1ffff1003b2a2fa5 R14: dffffc0000000000 R15: 0000000000000000 [ 813.674148] FS: 00007f5b07f1c7a0(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 813.674157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 813.674165] CR2: 00007f5b076001dd CR3: 000000010c7b2000 CR4: 00000000001406e0 [ 813.674177] Kernel panic - not syncing: Fatal exception [ 813.677912] lowmem_reserve[]: [ 813.681740] Kernel Offset: disabled [ 814.073615] Rebooting in 86400 seconds..