sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:00 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000740)={r3, 0x20}, &(0x7f00000007c0)=0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r4 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) getpeername$ax25(r4, &(0x7f0000000c40), &(0x7f0000000c80)=0x10) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) umount2(&(0x7f0000000cc0)='./file0\x00', 0x8) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 517.850886] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 517.858162] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 517.865439] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000011 [ 517.994543] FAULT_INJECTION: forcing a failure. [ 517.994543] name failslab, interval 1, probability 0, space 0, times 0 [ 518.005941] CPU: 0 PID: 2314 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 518.013223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 518.022585] Call Trace: [ 518.025192] dump_stack+0x194/0x24d [ 518.028840] ? arch_local_irq_restore+0x53/0x53 [ 518.033525] should_fail+0x8c0/0xa40 [ 518.037250] ? is_bpf_text_address+0xa4/0x120 [ 518.041757] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 518.046866] ? __kernel_text_address+0xd/0x40 [ 518.051434] ? unwind_get_return_address+0x61/0xa0 [ 518.056381] ? find_held_lock+0x35/0x1d0 [ 518.060445] ? __lock_is_held+0xb6/0x140 [ 518.064521] ? check_same_owner+0x320/0x320 [ 518.068860] ? rcu_note_context_switch+0x710/0x710 [ 518.073804] should_failslab+0xec/0x120 [ 518.074112] IPVS: ftp: loaded support on port[0] = 21 [ 518.077773] kmem_cache_alloc_trace+0x4b/0x740 [ 518.087581] ? __kmalloc_node+0x33/0x70 [ 518.091535] ? __kmalloc_node+0x33/0x70 [ 518.095493] ? rcu_read_lock_sched_held+0x108/0x120 [ 518.100488] __memcg_init_list_lru_node+0x169/0x270 [ 518.105480] ? list_lru_add+0x7c0/0x7c0 [ 518.109430] ? __kmalloc_node+0x47/0x70 [ 518.113384] __list_lru_init+0x544/0x750 [ 518.117428] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 518.123294] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 518.128289] ? __lockdep_init_map+0xe4/0x650 [ 518.132674] ? lockdep_init_map+0x9/0x10 [ 518.136712] sget_userns+0x691/0xe40 [ 518.140400] ? set_anon_super+0x20/0x20 [ 518.144351] ? put_filp+0x90/0x90 [ 518.147783] ? destroy_unused_super.part.6+0xd0/0xd0 [ 518.152864] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 518.157860] ? save_stack+0xa3/0xd0 [ 518.161465] ? save_stack+0x43/0xd0 [ 518.165075] ? kasan_slab_alloc+0x12/0x20 [ 518.169201] ? kmem_cache_alloc+0x12e/0x760 [ 518.173499] ? alloc_pid+0xc1/0xa00 [ 518.177110] ? __radix_tree_replace+0x1af/0x310 [ 518.181756] ? radix_tree_delete+0x30/0x30 [ 518.185971] ? node_tag_clear+0xf2/0x180 [ 518.190022] ? proc_get_inode+0x620/0x620 [ 518.194150] mount_ns+0x6d/0x190 [ 518.197498] proc_mount+0x7a/0x90 [ 518.200930] mount_fs+0x66/0x2d0 [ 518.204276] vfs_kern_mount.part.26+0xc6/0x4a0 [ 518.208838] ? may_umount+0xa0/0xa0 [ 518.212440] ? idr_alloc_cyclic+0x1d6/0x320 [ 518.216738] ? do_raw_spin_trylock+0x190/0x190 [ 518.221296] ? idr_alloc+0x180/0x180 [ 518.224990] kern_mount_data+0x50/0xb0 [ 518.228859] pid_ns_prepare_proc+0x1e/0x80 [ 518.233074] alloc_pid+0x87e/0xa00 [ 518.236592] ? __change_pid+0x400/0x400 [ 518.240542] ? ns_capable_common+0xcf/0x160 [ 518.244848] ? memset+0x31/0x40 [ 518.248113] ? copy_thread_tls+0x268/0x8f0 [ 518.252334] copy_process.part.38+0x2516/0x4bd0 [ 518.256987] ? __cleanup_sighand+0x40/0x40 [ 518.261208] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 518.266380] ? __lock_acquire+0x664/0x3e00 [ 518.270596] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 518.275762] ? environ_open+0x80/0x80 [ 518.279547] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 518.284716] ? __lock_acquire+0x664/0x3e00 [ 518.288929] ? mntput_no_expire+0x130/0xa90 [ 518.293237] ? print_irqtrace_events+0x270/0x270 [ 518.297986] ? trace_hardirqs_off+0x10/0x10 [ 518.302294] ? lock_acquire+0x1d5/0x580 [ 518.306258] ? trace_hardirqs_off+0x10/0x10 [ 518.310561] ? trace_hardirqs_off+0x10/0x10 [ 518.314863] ? __lock_acquire+0x664/0x3e00 [ 518.319081] ? check_same_owner+0x320/0x320 [ 518.323381] ? find_held_lock+0x35/0x1d0 [ 518.327427] ? _parse_integer+0xe9/0x140 [ 518.331467] ? trace_hardirqs_off+0x10/0x10 [ 518.335761] ? _parse_integer+0x140/0x140 [ 518.339888] ? trace_hardirqs_off+0x10/0x10 [ 518.344185] ? get_pid_task+0x93/0x140 [ 518.348051] ? lock_downgrade+0x980/0x980 [ 518.352204] ? find_held_lock+0x35/0x1d0 [ 518.356248] ? __f_unlock_pos+0x19/0x20 [ 518.360200] ? lock_downgrade+0x980/0x980 [ 518.364338] ? get_pid_task+0xbc/0x140 [ 518.368206] ? proc_fail_nth_write+0x9b/0x1d0 [ 518.372679] ? map_files_get_link+0x3a0/0x3a0 [ 518.377156] ? handle_mm_fault+0x35b/0xb10 [ 518.381369] _do_fork+0x1f7/0xf70 [ 518.384802] ? fork_idle+0x2d0/0x2d0 [ 518.388494] ? wait_for_completion+0x770/0x770 [ 518.393063] ? __lock_is_held+0xb6/0x140 [ 518.397110] ? __sb_end_write+0xa0/0xd0 [ 518.401068] ? fput+0xd2/0x140 [ 518.404243] ? SyS_write+0x184/0x220 [ 518.407937] ? SyS_read+0x220/0x220 [ 518.411556] SyS_clone+0x37/0x50 [ 518.414906] ? sys_vfork+0x30/0x30 [ 518.418428] do_syscall_64+0x281/0x940 [ 518.422297] ? vmalloc_sync_all+0x30/0x30 [ 518.426423] ? _raw_spin_unlock_irq+0x27/0x70 [ 518.430897] ? finish_task_switch+0x1c1/0x7e0 [ 518.435375] ? syscall_return_slowpath+0x550/0x550 [ 518.440279] ? syscall_return_slowpath+0x2ac/0x550 [ 518.445184] ? prepare_exit_to_usermode+0x350/0x350 [ 518.450183] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 518.455529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 518.460355] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 518.465525] RIP: 0033:0x454e79 [ 518.468690] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 518.476375] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 518.483625] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 2018/03/30 21:41:01 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:01 executing program 6: syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) r0 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r1 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r1, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r1, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000300)={r2, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r0, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r0, 0x80045301, &(0x7f0000000340)) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r2}, 0x20) [ 518.490875] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 518.498123] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 518.505370] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000012 2018/03/30 21:41:01 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") creat(&(0x7f0000000100)='./file0\x00', 0xc) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$sock_inet_udp_SIOCOUTQ(r4, 0x5411, &(0x7f00000007c0)) r5 = getpgrp(0xffffffffffffffff) fcntl$setownex(r1, 0xf, &(0x7f0000000740)={0x0, r5}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) r7 = add_key$user(&(0x7f0000000c40)='user\x00', &(0x7f0000000c80)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000cc0)="955d769fcb0200d7d947f0ba66fd355e8c12826176e9973a8810e872a3af692a61e48cccc6e5d983fa589fc464a0d0b74b7d12b7deb7e76091086d98212e902441f1d974aefcce33822bc6c82d725323adb3ac44cdc55d9bc02b8a9fc3999d0285ff2f60f4f6d841b95cd30a7c0d0f9e94fd5d9000a1fc416af602babdab2ba6537f958b3f8475b6691987a08dd72040c293d3", 0x93, 0xfffffffffffffffd) r8 = request_key(&(0x7f0000000d80)='dns_resolver\x00', &(0x7f0000000dc0)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000e00)="73656c667b706f7369785f61636c5f616363657373b500", 0xfffffffffffffffc) keyctl$unlink(0x9, r7, r8) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000e80)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 518.588542] IPVS: ftp: loaded support on port[0] = 21 2018/03/30 21:41:01 executing program 6: syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) r0 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r1 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r1, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r1, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000300)={r2, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r0, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r0, 0x80045301, &(0x7f0000000340)) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r2}, 0x20) 2018/03/30 21:41:01 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:01 executing program 6: syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) r0 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r1 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r1, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r1, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000300)={r2, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r0, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r0, 0x80045301, &(0x7f0000000340)) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r2}, 0x20) [ 518.796269] IPVS: ftp: loaded support on port[0] = 21 2018/03/30 21:41:01 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) getsockopt$inet_sctp_SCTP_ASSOCINFO(r4, 0x84, 0x1, &(0x7f0000000740)={r3, 0x7, 0x8, 0x100000001, 0x9}, &(0x7f00000007c0)=0x14) fchdir(r1) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r4, 0x40a85321, &(0x7f0000000c40)={{0x8eec, 0x7}, 'port0\x00', 0x0, 0x10000, 0xfff, 0xd6df971, 0x6, 0x1, 0x0, 0x0, 0x4, 0xf1b}) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x202, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:01 executing program 4 (fault-call:10 fault-nth:19): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 518.971738] FAULT_INJECTION: forcing a failure. [ 518.971738] name failslab, interval 1, probability 0, space 0, times 0 [ 518.983109] CPU: 0 PID: 2371 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 518.990395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 518.999758] Call Trace: [ 519.002365] dump_stack+0x194/0x24d [ 519.006056] ? arch_local_irq_restore+0x53/0x53 [ 519.010743] ? __save_stack_trace+0x7e/0xd0 [ 519.015092] should_fail+0x8c0/0xa40 [ 519.018826] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 519.023946] ? kasan_kmalloc+0xad/0xe0 [ 519.027855] ? kmem_cache_alloc_trace+0x136/0x740 [ 519.032718] ? __memcg_init_list_lru_node+0x169/0x270 [ 519.037920] ? __list_lru_init+0x544/0x750 [ 519.042175] ? sget_userns+0x691/0xe40 [ 519.046089] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 519.050867] ? kern_mount_data+0x50/0xb0 [ 519.054945] ? pid_ns_prepare_proc+0x1e/0x80 [ 519.059370] ? alloc_pid+0x87e/0xa00 [ 519.063105] ? copy_process.part.38+0x2516/0x4bd0 [ 519.067964] ? _do_fork+0x1f7/0xf70 [ 519.071609] ? SyS_clone+0x37/0x50 [ 519.075169] ? find_held_lock+0x35/0x1d0 [ 519.079252] ? __lock_is_held+0xb6/0x140 [ 519.083342] ? check_same_owner+0x320/0x320 [ 519.087694] ? rcu_note_context_switch+0x710/0x710 [ 519.092651] should_failslab+0xec/0x120 [ 519.096658] kmem_cache_alloc_trace+0x4b/0x740 [ 519.101261] ? __kmalloc_node+0x33/0x70 [ 519.105251] ? __kmalloc_node+0x33/0x70 [ 519.109243] ? rcu_read_lock_sched_held+0x108/0x120 [ 519.114274] __memcg_init_list_lru_node+0x169/0x270 [ 519.119312] ? list_lru_add+0x7c0/0x7c0 [ 519.123306] ? __kmalloc_node+0x47/0x70 [ 519.127305] __list_lru_init+0x544/0x750 [ 519.131395] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 519.137399] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 519.142440] ? __lockdep_init_map+0xe4/0x650 [ 519.146870] ? lockdep_init_map+0x9/0x10 [ 519.150950] sget_userns+0x691/0xe40 [ 519.154675] ? set_anon_super+0x20/0x20 [ 519.158661] ? put_filp+0x90/0x90 [ 519.162132] ? destroy_unused_super.part.6+0xd0/0xd0 [ 519.167256] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 519.172293] ? save_stack+0xa3/0xd0 [ 519.175941] ? save_stack+0x43/0xd0 [ 519.179586] ? kasan_slab_alloc+0x12/0x20 [ 519.183750] ? kmem_cache_alloc+0x12e/0x760 [ 519.188087] ? alloc_pid+0xc1/0xa00 [ 519.191733] ? __radix_tree_replace+0x1af/0x310 [ 519.196418] ? radix_tree_delete+0x30/0x30 [ 519.200667] ? node_tag_clear+0xf2/0x180 [ 519.204746] ? proc_get_inode+0x620/0x620 [ 519.208906] mount_ns+0x6d/0x190 [ 519.212291] proc_mount+0x7a/0x90 [ 519.215759] mount_fs+0x66/0x2d0 [ 519.219144] vfs_kern_mount.part.26+0xc6/0x4a0 [ 519.223743] ? may_umount+0xa0/0xa0 [ 519.227378] ? idr_alloc_cyclic+0x1d6/0x320 [ 519.231716] ? do_raw_spin_trylock+0x190/0x190 [ 519.236305] ? idr_alloc+0x180/0x180 [ 519.240043] kern_mount_data+0x50/0xb0 [ 519.243946] pid_ns_prepare_proc+0x1e/0x80 [ 519.248190] alloc_pid+0x87e/0xa00 [ 519.251749] ? __change_pid+0x400/0x400 [ 519.255731] ? ns_capable_common+0xcf/0x160 [ 519.260072] ? memset+0x31/0x40 [ 519.263365] ? copy_thread_tls+0x268/0x8f0 [ 519.267616] copy_process.part.38+0x2516/0x4bd0 [ 519.272311] ? __cleanup_sighand+0x40/0x40 [ 519.276568] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 519.281772] ? __lock_acquire+0x664/0x3e00 [ 519.286028] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 519.291228] ? environ_open+0x80/0x80 [ 519.295052] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 519.300255] ? __lock_acquire+0x664/0x3e00 [ 519.304502] ? mntput_no_expire+0x130/0xa90 [ 519.308840] ? print_irqtrace_events+0x270/0x270 [ 519.313612] ? trace_hardirqs_off+0x10/0x10 [ 519.317954] ? lock_acquire+0x1d5/0x580 [ 519.321944] ? trace_hardirqs_off+0x10/0x10 [ 519.326284] ? trace_hardirqs_off+0x10/0x10 [ 519.330620] ? __lock_acquire+0x664/0x3e00 [ 519.334866] ? check_same_owner+0x320/0x320 [ 519.339205] ? find_held_lock+0x35/0x1d0 [ 519.343284] ? _parse_integer+0xe9/0x140 [ 519.347362] ? trace_hardirqs_off+0x10/0x10 [ 519.351691] ? _parse_integer+0x140/0x140 [ 519.355854] ? trace_hardirqs_off+0x10/0x10 [ 519.360186] ? get_pid_task+0x93/0x140 [ 519.364088] ? lock_downgrade+0x980/0x980 [ 519.368250] ? find_held_lock+0x35/0x1d0 [ 519.372323] ? __f_unlock_pos+0x19/0x20 [ 519.376314] ? lock_downgrade+0x980/0x980 [ 519.380473] ? get_pid_task+0xbc/0x140 [ 519.384373] ? proc_fail_nth_write+0x9b/0x1d0 [ 519.388885] ? map_files_get_link+0x3a0/0x3a0 [ 519.393396] ? handle_mm_fault+0x35b/0xb10 [ 519.397647] _do_fork+0x1f7/0xf70 [ 519.401119] ? fork_idle+0x2d0/0x2d0 [ 519.404846] ? wait_for_completion+0x770/0x770 [ 519.409531] ? __lock_is_held+0xb6/0x140 [ 519.413610] ? __sb_end_write+0xa0/0xd0 [ 519.417588] ? fput+0xd2/0x140 [ 519.420782] ? SyS_write+0x184/0x220 [ 519.424499] ? SyS_read+0x220/0x220 [ 519.428129] SyS_clone+0x37/0x50 [ 519.431498] ? sys_vfork+0x30/0x30 [ 519.435045] do_syscall_64+0x281/0x940 [ 519.438940] ? vmalloc_sync_all+0x30/0x30 [ 519.443093] ? _raw_spin_unlock_irq+0x27/0x70 [ 519.447596] ? finish_task_switch+0x1c1/0x7e0 [ 519.452097] ? syscall_return_slowpath+0x550/0x550 [ 519.457039] ? syscall_return_slowpath+0x2ac/0x550 [ 519.461976] ? prepare_exit_to_usermode+0x350/0x350 [ 519.467003] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 519.472821] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 519.477654] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 519.482819] RIP: 0033:0x454e79 [ 519.485985] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 519.493676] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 519.500928] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 519.508181] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 519.515435] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 519.522690] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000013 2018/03/30 21:41:02 executing program 6: pwritev(0xffffffffffffffff, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r0 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r1 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r1, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r1, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000300)={r2, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r0, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r0, 0x80045301, &(0x7f0000000340)) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r2}, 0x20) 2018/03/30 21:41:02 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000d80)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r4, 0x80045301, &(0x7f0000000500)) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) r6 = getpid() ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r4, 0xc1105517, &(0x7f0000000c40)={{0x335d, 0x5, 0x2, 0x4, "b8a552d42ff2f6df9a743c2c00f884dccbee365e7487427dc65dd55c53e272cd9807b3dfe6560464be37c507", 0x8}, 0x0, 0x0, 0x4, r6, 0x5, 0x400, "96a013ca4b053180963517ae140abbb0a75aa9c457a2a968a68e635656de2dc429eb394c9cf18cc3675489cb11ad5d78da652c7aaf041e47dc73d557f68003e0", &(0x7f0000000740)='/dev/sg#\x00', 0x9, [], [0x20, 0x5, 0x7ff, 0x10000]}) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:02 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) r5 = request_key(&(0x7f0000000700)='ceph\x00', &(0x7f0000000740)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00000007c0)='/dev/sequencer2\x00', 0xfffffffffffffffa) keyctl$revoke(0x3, r5) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:02 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:02 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x0, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:02 executing program 4 (fault-call:10 fault-nth:20): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:02 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r2, 0x84, 0x6d, &(0x7f0000000740)={0x0, 0x8, "f9cce7a0880d82dd"}, &(0x7f00000007c0)=0x10) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r2, 0x84, 0x19, &(0x7f0000000c40)={r3, 0x1}, 0x8) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r4, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r4}, 0x20) 2018/03/30 21:41:02 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 520.076500] FAULT_INJECTION: forcing a failure. [ 520.076500] name failslab, interval 1, probability 0, space 0, times 0 [ 520.087877] CPU: 0 PID: 2402 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 520.095167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 520.104535] Call Trace: [ 520.107148] dump_stack+0x194/0x24d [ 520.110796] ? arch_local_irq_restore+0x53/0x53 [ 520.115484] ? __save_stack_trace+0x7e/0xd0 [ 520.119829] should_fail+0x8c0/0xa40 2018/03/30 21:41:02 executing program 6: pwritev(0xffffffffffffffff, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r0 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r1 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r1, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r1, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000300)={r2, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r0, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r0, 0x80045301, &(0x7f0000000340)) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r2}, 0x20) [ 520.123561] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 520.128684] ? kasan_kmalloc+0xad/0xe0 [ 520.132592] ? kmem_cache_alloc_trace+0x136/0x740 [ 520.137455] ? __memcg_init_list_lru_node+0x169/0x270 [ 520.142661] ? __list_lru_init+0x544/0x750 [ 520.146916] ? sget_userns+0x691/0xe40 [ 520.150820] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 520.155597] ? kern_mount_data+0x50/0xb0 [ 520.159688] ? pid_ns_prepare_proc+0x1e/0x80 [ 520.164141] ? alloc_pid+0x87e/0xa00 [ 520.167882] ? copy_process.part.38+0x2516/0x4bd0 [ 520.172743] ? _do_fork+0x1f7/0xf70 2018/03/30 21:41:03 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000c40)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 520.176378] ? SyS_clone+0x37/0x50 [ 520.179938] ? find_held_lock+0x35/0x1d0 [ 520.184017] ? __lock_is_held+0xb6/0x140 [ 520.188097] ? check_same_owner+0x320/0x320 [ 520.192431] ? rcu_note_context_switch+0x710/0x710 [ 520.197385] should_failslab+0xec/0x120 [ 520.201371] kmem_cache_alloc_trace+0x4b/0x740 [ 520.205962] ? __kmalloc_node+0x33/0x70 [ 520.209959] ? __kmalloc_node+0x33/0x70 [ 520.213957] ? rcu_read_lock_sched_held+0x108/0x120 [ 520.219011] __memcg_init_list_lru_node+0x169/0x270 [ 520.224049] ? list_lru_add+0x7c0/0x7c0 [ 520.228040] ? __kmalloc_node+0x47/0x70 [ 520.232040] __list_lru_init+0x544/0x750 [ 520.236124] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 520.242030] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 520.247060] ? __lockdep_init_map+0xe4/0x650 [ 520.251489] ? lockdep_init_map+0x9/0x10 [ 520.255560] sget_userns+0x691/0xe40 [ 520.259284] ? set_anon_super+0x20/0x20 [ 520.263307] ? put_filp+0x90/0x90 [ 520.266783] ? destroy_unused_super.part.6+0xd0/0xd0 [ 520.271908] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 520.276948] ? save_stack+0xa3/0xd0 [ 520.280596] ? save_stack+0x43/0xd0 [ 520.284240] ? kasan_slab_alloc+0x12/0x20 [ 520.288398] ? kmem_cache_alloc+0x12e/0x760 [ 520.292728] ? alloc_pid+0xc1/0xa00 [ 520.296381] ? __radix_tree_replace+0x1af/0x310 [ 520.301066] ? radix_tree_delete+0x30/0x30 [ 520.305310] ? node_tag_clear+0xf2/0x180 [ 520.309387] ? proc_get_inode+0x620/0x620 [ 520.313548] mount_ns+0x6d/0x190 [ 520.316921] proc_mount+0x7a/0x90 [ 520.320385] mount_fs+0x66/0x2d0 [ 520.323767] vfs_kern_mount.part.26+0xc6/0x4a0 [ 520.328364] ? may_umount+0xa0/0xa0 [ 520.332010] ? idr_alloc_cyclic+0x1d6/0x320 [ 520.336348] ? do_raw_spin_trylock+0x190/0x190 [ 520.340937] ? idr_alloc+0x180/0x180 [ 520.344663] kern_mount_data+0x50/0xb0 [ 520.348566] pid_ns_prepare_proc+0x1e/0x80 [ 520.352811] alloc_pid+0x87e/0xa00 [ 520.356363] ? __change_pid+0x400/0x400 [ 520.360348] ? ns_capable_common+0xcf/0x160 [ 520.364687] ? memset+0x31/0x40 [ 520.367980] ? copy_thread_tls+0x268/0x8f0 [ 520.372244] copy_process.part.38+0x2516/0x4bd0 [ 520.376939] ? __cleanup_sighand+0x40/0x40 [ 520.381206] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 520.386422] ? __lock_acquire+0x664/0x3e00 [ 520.390673] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 520.395882] ? __lock_is_held+0xb6/0x140 [ 520.399965] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 520.405172] ? print_irqtrace_events+0x270/0x270 [ 520.409950] ? print_irqtrace_events+0x270/0x270 [ 520.414734] ? lock_acquire+0x1d5/0x580 [ 520.418721] ? trace_hardirqs_off+0x10/0x10 [ 520.423053] ? trace_hardirqs_off+0x10/0x10 [ 520.427387] ? __lock_acquire+0x664/0x3e00 [ 520.431632] ? check_same_owner+0x320/0x320 [ 520.435966] ? find_held_lock+0x35/0x1d0 [ 520.440054] ? _parse_integer+0xe9/0x140 [ 520.444126] ? trace_hardirqs_off+0x10/0x10 [ 520.448463] ? _parse_integer+0x140/0x140 [ 520.452625] ? trace_hardirqs_off+0x10/0x10 [ 520.456957] ? get_pid_task+0x93/0x140 [ 520.460864] ? lock_downgrade+0x980/0x980 [ 520.465088] ? find_held_lock+0x35/0x1d0 [ 520.469166] ? __f_unlock_pos+0x19/0x20 [ 520.473151] ? lock_downgrade+0x980/0x980 [ 520.477304] ? get_pid_task+0xbc/0x140 [ 520.481207] ? proc_fail_nth_write+0x9b/0x1d0 [ 520.485717] ? map_files_get_link+0x3a0/0x3a0 [ 520.490222] ? handle_mm_fault+0x35b/0xb10 [ 520.494472] _do_fork+0x1f7/0xf70 [ 520.497939] ? fork_idle+0x2d0/0x2d0 [ 520.501663] ? wait_for_completion+0x770/0x770 [ 520.506259] ? __lock_is_held+0xb6/0x140 [ 520.510324] ? __sb_end_write+0xa0/0xd0 [ 520.514293] ? fput+0xd2/0x140 [ 520.517475] ? SyS_write+0x184/0x220 [ 520.521178] ? SyS_read+0x220/0x220 [ 520.524793] SyS_clone+0x37/0x50 [ 520.528140] ? sys_vfork+0x30/0x30 [ 520.531664] do_syscall_64+0x281/0x940 [ 520.535532] ? vmalloc_sync_all+0x30/0x30 [ 520.539659] ? _raw_spin_unlock_irq+0x27/0x70 [ 520.544136] ? finish_task_switch+0x1c1/0x7e0 [ 520.548615] ? syscall_return_slowpath+0x550/0x550 [ 520.553527] ? syscall_return_slowpath+0x2ac/0x550 [ 520.558441] ? prepare_exit_to_usermode+0x350/0x350 [ 520.563442] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 520.568792] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/03/30 21:41:03 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) eventfd2(0x0, 0x0) unshare(0x400) pselect6(0x40, &(0x7f0000f33fc0), &(0x7f0000768000), &(0x7f0000000000), &(0x7f0000349000), &(0x7f0000f14000)={&(0x7f0000a65ff8), 0x8}) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp\x00', 0x0, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(0xffffffffffffffff, 0x84, 0x78, &(0x7f0000000200), 0x4) bind$bt_l2cap(0xffffffffffffffff, &(0x7f0000000400)={0x1f, 0x28, {0x0, 0x0, 0x4521df33, 0x2}}, 0xe) ioctl$EVIOCGPROP(r2, 0xc004743e, &(0x7f00000d3f0a)=""/246) fcntl$getown(0xffffffffffffffff, 0x9) ioctl$DRM_IOCTL_GET_MAP(0xffffffffffffffff, 0xc0186404, &(0x7f00000002c0)={0x0, 0x6e768e45, 0x7, 0x0, &(0x7f0000ffc000/0x2000)=nil}) r3 = add_key$user(&(0x7f0000000040)='user\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000440)="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", 0x1000, 0xfffffffffffffffc) keyctl$revoke(0x3, r3) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$EVIOCGREP(r2, 0x4004743c, &(0x7f00005c8f52)=""/174) r4 = accept(0xffffffffffffffff, &(0x7f0000000cc0)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r4, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r4, 0x84, 0x76, &(0x7f0000000300)={r5, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r4, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r4, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") [ 520.573622] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 520.578796] RIP: 0033:0x454e79 [ 520.581967] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 520.589672] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 520.596927] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 520.604181] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 520.611433] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 520.618697] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000014 2018/03/30 21:41:03 executing program 6: pwritev(0xffffffffffffffff, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r0 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r1 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r1, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r1, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000300)={r2, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r0, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r0, 0x80045301, &(0x7f0000000340)) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r3, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r2}, 0x20) 2018/03/30 21:41:03 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:03 executing program 4 (fault-call:10 fault-nth:21): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:03 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:03 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) setsockopt$IP6T_SO_SET_ADD_COUNTERS(r2, 0x29, 0x41, &(0x7f0000000c40)={'filter\x00', 0x2, [{}, {}]}, 0x48) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) socket$inet6_udp(0xa, 0x2, 0x0) r4 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) syz_open_dev$sndmidi(&(0x7f00000007c0)='/dev/snd/midiC#D#\x00', 0x90, 0x80) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) ioctl$sock_ipx_SIOCIPXNCPCONN(r4, 0x89e3, &(0x7f0000000740)=0xefaf) 2018/03/30 21:41:03 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 521.029171] FAULT_INJECTION: forcing a failure. [ 521.029171] name failslab, interval 1, probability 0, space 0, times 0 [ 521.040722] CPU: 1 PID: 2470 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 521.048012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 521.057373] Call Trace: [ 521.059976] dump_stack+0x194/0x24d [ 521.063610] ? arch_local_irq_restore+0x53/0x53 [ 521.068289] ? __save_stack_trace+0x7e/0xd0 [ 521.072631] should_fail+0x8c0/0xa40 [ 521.076351] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 521.081464] ? kasan_kmalloc+0xad/0xe0 [ 521.085352] ? kmem_cache_alloc_trace+0x136/0x740 [ 521.090201] ? __memcg_init_list_lru_node+0x169/0x270 [ 521.095398] ? __list_lru_init+0x544/0x750 [ 521.099628] ? sget_userns+0x691/0xe40 [ 521.103516] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 521.108277] ? kern_mount_data+0x50/0xb0 [ 521.112338] ? pid_ns_prepare_proc+0x1e/0x80 [ 521.116751] ? alloc_pid+0x87e/0xa00 [ 521.120481] ? copy_process.part.38+0x2516/0x4bd0 [ 521.125329] ? _do_fork+0x1f7/0xf70 [ 521.128964] ? SyS_clone+0x37/0x50 [ 521.132506] ? find_held_lock+0x35/0x1d0 [ 521.136570] ? __lock_is_held+0xb6/0x140 [ 521.140655] ? check_same_owner+0x320/0x320 [ 521.144997] ? rcu_note_context_switch+0x710/0x710 [ 521.149930] should_failslab+0xec/0x120 [ 521.153905] kmem_cache_alloc_trace+0x4b/0x740 [ 521.158509] ? __kmalloc_node+0x33/0x70 [ 521.162487] ? __kmalloc_node+0x33/0x70 [ 521.166480] ? rcu_read_lock_sched_held+0x108/0x120 [ 521.171520] __memcg_init_list_lru_node+0x169/0x270 [ 521.176545] ? list_lru_add+0x7c0/0x7c0 [ 521.180531] ? __kmalloc_node+0x47/0x70 [ 521.184515] __list_lru_init+0x544/0x750 [ 521.188569] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 521.194469] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 521.199486] ? __lockdep_init_map+0xe4/0x650 [ 521.203965] ? lockdep_init_map+0x9/0x10 [ 521.208020] sget_userns+0x691/0xe40 [ 521.211722] ? set_anon_super+0x20/0x20 [ 521.215687] ? put_filp+0x90/0x90 [ 521.219134] ? destroy_unused_super.part.6+0xd0/0xd0 [ 521.224228] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 521.229240] ? save_stack+0xa3/0xd0 [ 521.232858] ? save_stack+0x43/0xd0 [ 521.236476] ? kasan_slab_alloc+0x12/0x20 [ 521.240617] ? kmem_cache_alloc+0x12e/0x760 [ 521.244926] ? alloc_pid+0xc1/0xa00 [ 521.248546] ? __radix_tree_replace+0x1af/0x310 [ 521.253208] ? radix_tree_delete+0x30/0x30 [ 521.257434] ? node_tag_clear+0xf2/0x180 [ 521.261498] ? proc_get_inode+0x620/0x620 [ 521.265639] mount_ns+0x6d/0x190 [ 521.269001] proc_mount+0x7a/0x90 [ 521.272442] mount_fs+0x66/0x2d0 [ 521.275814] vfs_kern_mount.part.26+0xc6/0x4a0 [ 521.280390] ? may_umount+0xa0/0xa0 [ 521.284007] ? idr_alloc_cyclic+0x1d6/0x320 [ 521.288319] ? do_raw_spin_trylock+0x190/0x190 [ 521.292890] ? idr_alloc+0x180/0x180 [ 521.296596] kern_mount_data+0x50/0xb0 [ 521.300487] pid_ns_prepare_proc+0x1e/0x80 [ 521.304711] alloc_pid+0x87e/0xa00 [ 521.308246] ? __change_pid+0x400/0x400 [ 521.312212] ? ns_capable_common+0xcf/0x160 [ 521.316534] ? memset+0x31/0x40 [ 521.319809] ? copy_thread_tls+0x268/0x8f0 [ 521.324049] copy_process.part.38+0x2516/0x4bd0 [ 521.328721] ? __cleanup_sighand+0x40/0x40 [ 521.332957] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 521.338141] ? __lock_acquire+0x664/0x3e00 [ 521.342369] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 521.347556] ? environ_open+0x80/0x80 [ 521.351359] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 521.356536] ? __lock_acquire+0x664/0x3e00 [ 521.360759] ? mntput_no_expire+0x130/0xa90 [ 521.365071] ? print_irqtrace_events+0x270/0x270 [ 521.369820] ? trace_hardirqs_off+0x10/0x10 [ 521.374138] ? lock_acquire+0x1d5/0x580 [ 521.378106] ? trace_hardirqs_off+0x10/0x10 [ 521.382419] ? trace_hardirqs_off+0x10/0x10 [ 521.386737] ? __lock_acquire+0x664/0x3e00 [ 521.390960] ? check_same_owner+0x320/0x320 [ 521.395278] ? find_held_lock+0x35/0x1d0 [ 521.399348] ? _parse_integer+0xe9/0x140 [ 521.403424] ? trace_hardirqs_off+0x10/0x10 [ 521.407760] ? _parse_integer+0x140/0x140 [ 521.411922] ? trace_hardirqs_off+0x10/0x10 [ 521.416245] ? get_pid_task+0x93/0x140 [ 521.420137] ? lock_downgrade+0x980/0x980 [ 521.424298] ? find_held_lock+0x35/0x1d0 [ 521.428367] ? __f_unlock_pos+0x19/0x20 [ 521.432353] ? lock_downgrade+0x980/0x980 [ 521.436504] ? get_pid_task+0xbc/0x140 [ 521.440400] ? proc_fail_nth_write+0x9b/0x1d0 [ 521.444902] ? map_files_get_link+0x3a0/0x3a0 [ 521.449407] ? handle_mm_fault+0x35b/0xb10 [ 521.453647] _do_fork+0x1f7/0xf70 [ 521.457115] ? fork_idle+0x2d0/0x2d0 [ 521.460835] ? wait_for_completion+0x770/0x770 [ 521.465514] ? __lock_is_held+0xb6/0x140 [ 521.469592] ? __sb_end_write+0xa0/0xd0 [ 521.473576] ? fput+0xd2/0x140 [ 521.476777] ? SyS_write+0x184/0x220 [ 521.480503] ? SyS_read+0x220/0x220 [ 521.484141] SyS_clone+0x37/0x50 [ 521.487516] ? sys_vfork+0x30/0x30 [ 521.491068] do_syscall_64+0x281/0x940 [ 521.494958] ? vmalloc_sync_all+0x30/0x30 [ 521.499112] ? finish_task_switch+0x1c1/0x7e0 [ 521.503609] ? syscall_return_slowpath+0x550/0x550 [ 521.508548] ? syscall_return_slowpath+0x2ac/0x550 [ 521.513489] ? prepare_exit_to_usermode+0x350/0x350 [ 521.518521] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 521.523904] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/03/30 21:41:04 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x1000, {0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x2, 0x2, 0xfffffffffffffff3}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:04 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCGARP(r1, 0x8954, &(0x7f0000000700)={{0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x11}}, {0x306, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x0, {0x2, 0x4e24, @rand_addr=0x8a0d}, 'sit0\x00'}) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000c40), &(0x7f0000000c80)) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:04 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:04 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:04 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x0, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:04 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:04 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) setsockopt$packet_buf(r4, 0x107, 0xf, &(0x7f0000000c40)="50e792009c46a3af61d53a3f531d0bb81dfca5c5b468d862588d122e36618319c1c328e8fa49097e00dacc94f9e9b185adf6410b7b72b3b6a63048ca0c4b8b59d8b443db01ae33ed1700", 0x4a) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 521.528788] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 521.533985] RIP: 0033:0x454e79 [ 521.537174] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 521.544911] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 521.552195] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 521.559472] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 521.566750] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 521.574026] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000015 2018/03/30 21:41:04 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) syz_open_dev$dmmidi(&(0x7f0000000740)='/dev/dmmidi#\x00', 0x3, 0x200) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000000cc0)={{0x0, 0xffffffffffffffff}, {0x80}, 0x0, 0x3}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:04 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x0, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:04 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:04 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:04 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(0xffffffffffffffff, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 521.985212] IPVS: ftp: loaded support on port[0] = 21 [ 522.016112] IPVS: ftp: loaded support on port[0] = 21 [ 522.052528] IPVS: ftp: loaded support on port[0] = 21 [ 522.086876] IPVS: ftp: loaded support on port[0] = 21 2018/03/30 21:41:05 executing program 4 (fault-call:10 fault-nth:22): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:05 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) r3 = syz_open_dev$adsp(&(0x7f0000000740)='/dev/adsp#\x00', 0x400, 0x200000) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000c40)={r3, 0x1, 0x1, 0x8, &(0x7f00000007c0)=[0x0, 0x0, 0x0, 0x0, 0x0], 0x5}, 0x20) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000700)='tls\x00', 0x4) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r4, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r5 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000d00)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) ioctl$KVM_SET_LAPIC(r5, 0x4400ae8f, &(0x7f0000000d80)={"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"}) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r4}, 0x20) 2018/03/30 21:41:05 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:05 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:05 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21}, {0x2, 0x4e23}, 0x0, 0x1fe, 0x1, 0x9, 0xc2b, 0x0, 0x0, 0x7f, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) r4 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_int(r4, 0x29, 0xd0, &(0x7f0000000080)=0x20000000008, 0x4) r5 = accept4(r4, &(0x7f00000002c0)=@nl=@unspec, &(0x7f0000000340)=0x80, 0x0) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r4, 0x29, 0xd2, &(0x7f0000000240)={{0xa, 0x4e24, 0xf8, @dev={0xfe, 0x80, [], 0xd}, 0x10001}, {0xa, 0x4e24, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0x81}, 0x5, [0x3ff, 0x6, 0x1000, 0x1, 0xffffffffffffff00, 0x6, 0x7f, 0x40]}, 0x5c) r6 = socket$netlink(0x10, 0x3, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000440)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x18}, 0xc, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="c40000007e84106e7c9c1e631fc75bb5281c00000000006c9d924c5420a0acf442108100010abb6af1b563496cda1369e41a2ad37394f507d398604c12555571043da09aa9f58f61cb3e506040a3f41696a662f0d05a9ac3bd62f29f41bbf97f395422c21d1652bec30cb3004bc2a3820324b89b570daacaeb63ab27ca2dfb099b63f1e0d338749caae8a91efffc4ea6ef553a08a7adee59080f8e09a655689865663989ee784357c1435c30717c856c548199df6b21e4fec422337ec871aeb9a8f977c96820f0fc61e078e04322d9eb8eb7"], 0x1}, 0x1, 0x0, 0x0, 0x4}, 0x40) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_REM(r5, 0x84, 0x65, &(0x7f0000000380)=[@in6={0xa, 0x4e21, 0x4, @mcast2={0xff, 0x2, [], 0x1}, 0x800}, @in6={0xa, 0x4e23, 0xfffffffffffffff7, @local={0xfe, 0x80, [], 0xaa}, 0x1000}], 0xe5) dup2(r6, r4) 2018/03/30 21:41:05 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(r5, 0xc0405519, &(0x7f0000000740)={0xfffffffffffff6db, 0x7, 0x80000000, 0x7d, "2b4d732a92827bfa1f2e35412fca37dcfdc237dff491ab58d0bf7cdf40394e7d9721901637612e1a39ec78af", 0x800}) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:05 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(0xffffffffffffffff, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:05 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:05 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(0xffffffffffffffff, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 522.238628] FAULT_INJECTION: forcing a failure. [ 522.238628] name failslab, interval 1, probability 0, space 0, times 0 [ 522.250096] CPU: 0 PID: 2560 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 522.257375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 522.266735] Call Trace: [ 522.269354] dump_stack+0x194/0x24d [ 522.272991] ? arch_local_irq_restore+0x53/0x53 [ 522.277673] ? __save_stack_trace+0x7e/0xd0 [ 522.282010] should_fail+0x8c0/0xa40 2018/03/30 21:41:05 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780), 0x0, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 522.285733] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 522.290848] ? kasan_kmalloc+0xad/0xe0 [ 522.294747] ? kmem_cache_alloc_trace+0x136/0x740 [ 522.299589] ? __memcg_init_list_lru_node+0x169/0x270 [ 522.304787] ? __list_lru_init+0x544/0x750 [ 522.309021] ? sget_userns+0x691/0xe40 [ 522.312916] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 522.317674] ? kern_mount_data+0x50/0xb0 [ 522.321739] ? pid_ns_prepare_proc+0x1e/0x80 [ 522.326145] ? alloc_pid+0x87e/0xa00 [ 522.329861] ? copy_process.part.38+0x2516/0x4bd0 [ 522.334703] ? _do_fork+0x1f7/0xf70 [ 522.338328] ? SyS_clone+0x37/0x50 [ 522.341874] ? find_held_lock+0x35/0x1d0 [ 522.345942] ? __lock_is_held+0xb6/0x140 [ 522.350015] ? check_same_owner+0x320/0x320 [ 522.354343] ? rcu_note_context_switch+0x710/0x710 [ 522.359283] should_failslab+0xec/0x120 [ 522.363264] kmem_cache_alloc_trace+0x4b/0x740 [ 522.367849] ? __kmalloc_node+0x33/0x70 [ 522.371825] ? __kmalloc_node+0x33/0x70 [ 522.375801] ? rcu_read_lock_sched_held+0x108/0x120 [ 522.380823] __memcg_init_list_lru_node+0x169/0x270 2018/03/30 21:41:05 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 522.385845] ? list_lru_add+0x7c0/0x7c0 [ 522.389822] ? __kmalloc_node+0x47/0x70 [ 522.393797] __list_lru_init+0x544/0x750 [ 522.397867] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 522.403756] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 522.408783] ? __lockdep_init_map+0xe4/0x650 [ 522.413200] ? lockdep_init_map+0x9/0x10 [ 522.417264] sget_userns+0x691/0xe40 [ 522.420977] ? set_anon_super+0x20/0x20 [ 522.424966] ? put_filp+0x90/0x90 [ 522.428420] ? destroy_unused_super.part.6+0xd0/0xd0 [ 522.433522] ? __alloc_pages_slowpath+0x2d10/0x2d10 2018/03/30 21:41:05 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780), 0x0, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 522.438539] ? save_stack+0xa3/0xd0 [ 522.442162] ? save_stack+0x43/0xd0 [ 522.445784] ? kasan_slab_alloc+0x12/0x20 [ 522.449933] ? kmem_cache_alloc+0x12e/0x760 [ 522.454246] ? alloc_pid+0xc1/0xa00 [ 522.457873] ? __radix_tree_replace+0x1af/0x310 [ 522.462539] ? radix_tree_delete+0x30/0x30 [ 522.466768] ? node_tag_clear+0xf2/0x180 [ 522.470834] ? proc_get_inode+0x620/0x620 [ 522.474974] mount_ns+0x6d/0x190 [ 522.478336] proc_mount+0x7a/0x90 [ 522.481787] mount_fs+0x66/0x2d0 [ 522.485156] vfs_kern_mount.part.26+0xc6/0x4a0 [ 522.489733] ? may_umount+0xa0/0xa0 [ 522.493355] ? idr_alloc_cyclic+0x1d6/0x320 [ 522.497676] ? do_raw_spin_trylock+0x190/0x190 [ 522.502255] ? idr_alloc+0x180/0x180 [ 522.505973] kern_mount_data+0x50/0xb0 [ 522.509860] pid_ns_prepare_proc+0x1e/0x80 [ 522.514095] alloc_pid+0x87e/0xa00 [ 522.517632] ? __change_pid+0x400/0x400 [ 522.521601] ? ns_capable_common+0xcf/0x160 [ 522.525929] ? memset+0x31/0x40 [ 522.529205] ? copy_thread_tls+0x268/0x8f0 [ 522.533444] copy_process.part.38+0x2516/0x4bd0 [ 522.538120] ? __cleanup_sighand+0x40/0x40 [ 522.542368] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 522.547558] ? __lock_acquire+0x664/0x3e00 [ 522.551791] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 522.556978] ? __lock_is_held+0xb6/0x140 [ 522.561041] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 522.566229] ? print_irqtrace_events+0x270/0x270 [ 522.570980] ? print_irqtrace_events+0x270/0x270 [ 522.575740] ? lock_acquire+0x1d5/0x580 [ 522.579709] ? trace_hardirqs_off+0x10/0x10 [ 522.584031] ? trace_hardirqs_off+0x10/0x10 [ 522.588349] ? __lock_acquire+0x664/0x3e00 [ 522.592581] ? check_same_owner+0x320/0x320 [ 522.596910] ? find_held_lock+0x35/0x1d0 [ 522.600977] ? _parse_integer+0xe9/0x140 [ 522.605039] ? trace_hardirqs_off+0x10/0x10 [ 522.609361] ? _parse_integer+0x140/0x140 [ 522.613514] ? trace_hardirqs_off+0x10/0x10 [ 522.617839] ? get_pid_task+0x93/0x140 [ 522.621732] ? lock_downgrade+0x980/0x980 [ 522.625885] ? find_held_lock+0x35/0x1d0 [ 522.629958] ? __f_unlock_pos+0x19/0x20 [ 522.633939] ? lock_downgrade+0x980/0x980 [ 522.638081] ? get_pid_task+0xbc/0x140 [ 522.642141] ? proc_fail_nth_write+0x9b/0x1d0 [ 522.646633] ? map_files_get_link+0x3a0/0x3a0 [ 522.651127] ? handle_mm_fault+0x35b/0xb10 [ 522.655359] _do_fork+0x1f7/0xf70 [ 522.658813] ? fork_idle+0x2d0/0x2d0 [ 522.662533] ? wait_for_completion+0x770/0x770 [ 522.667122] ? __lock_is_held+0xb6/0x140 [ 522.671192] ? __sb_end_write+0xa0/0xd0 [ 522.675166] ? fput+0xd2/0x140 [ 522.678358] ? SyS_write+0x184/0x220 [ 522.682073] ? SyS_read+0x220/0x220 [ 522.685698] SyS_clone+0x37/0x50 [ 522.689065] ? sys_vfork+0x30/0x30 [ 522.692605] do_syscall_64+0x281/0x940 [ 522.696494] ? vmalloc_sync_all+0x30/0x30 [ 522.700643] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 522.706181] ? syscall_return_slowpath+0x550/0x550 [ 522.711111] ? syscall_return_slowpath+0x2ac/0x550 [ 522.716054] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 522.721429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 522.726278] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 522.731462] RIP: 0033:0x454e79 2018/03/30 21:41:05 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x0, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:05 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x0, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:05 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x0, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:05 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780), 0x0, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 522.734645] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 522.742349] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 522.749615] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 522.756882] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 522.764159] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 522.771431] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000016 2018/03/30 21:41:06 executing program 4 (fault-call:10 fault-nth:23): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:06 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:06 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:06 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:06 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000740)='/dev/rfkill\x00', 0x100, 0x0) write$eventfd(r2, &(0x7f00000007c0)=0x5d9e, 0x8) r3 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r3, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000300)={r4, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r3, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r3, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r4}, 0x20) 2018/03/30 21:41:06 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:06 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x0, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:06 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) syz_open_dev$tun(&(0x7f0000000c40)='/dev/net/tun\x00', 0x0, 0x6000) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000c80)={0x7e, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000740)='/dev/sg#\x00', 0x0, 0x800) socket$vsock_dgram(0x28, 0x2, 0x0) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) semget$private(0x0, 0x2, 0x281) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r4 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) prctl$getreaper(0xb, &(0x7f0000000700)) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000007c0)='/dev/sequencer2\x00', 0x40000, 0x0) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) sendfile(r6, r4, &(0x7f0000000040), 0x3ff) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 523.386742] FAULT_INJECTION: forcing a failure. [ 523.386742] name failslab, interval 1, probability 0, space 0, times 0 [ 523.398132] CPU: 1 PID: 2636 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 523.405413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 523.414771] Call Trace: [ 523.417367] dump_stack+0x194/0x24d [ 523.421007] ? arch_local_irq_restore+0x53/0x53 [ 523.425681] ? __save_stack_trace+0x7e/0xd0 [ 523.430016] should_fail+0x8c0/0xa40 [ 523.433740] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 523.438848] ? kasan_kmalloc+0xad/0xe0 [ 523.442742] ? kmem_cache_alloc_trace+0x136/0x740 [ 523.447591] ? __memcg_init_list_lru_node+0x169/0x270 [ 523.452777] ? __list_lru_init+0x544/0x750 [ 523.457012] ? sget_userns+0x691/0xe40 [ 523.460898] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 523.465654] ? kern_mount_data+0x50/0xb0 [ 523.469709] ? pid_ns_prepare_proc+0x1e/0x80 [ 523.474115] ? alloc_pid+0x87e/0xa00 [ 523.477830] ? copy_process.part.38+0x2516/0x4bd0 [ 523.482667] ? _do_fork+0x1f7/0xf70 [ 523.486290] ? SyS_clone+0x37/0x50 [ 523.489831] ? find_held_lock+0x35/0x1d0 [ 523.493894] ? __lock_is_held+0xb6/0x140 [ 523.497959] ? check_same_owner+0x320/0x320 [ 523.502280] ? rcu_note_context_switch+0x710/0x710 [ 523.507214] should_failslab+0xec/0x120 [ 523.511192] kmem_cache_alloc_trace+0x4b/0x740 [ 523.515775] ? __kmalloc_node+0x33/0x70 [ 523.519746] ? __kmalloc_node+0x33/0x70 [ 523.523726] ? rcu_read_lock_sched_held+0x108/0x120 [ 523.528748] __memcg_init_list_lru_node+0x169/0x270 [ 523.533768] ? list_lru_add+0x7c0/0x7c0 [ 523.537748] ? __kmalloc_node+0x47/0x70 [ 523.541719] __list_lru_init+0x544/0x750 [ 523.545784] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 523.551670] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 523.556687] ? __lockdep_init_map+0xe4/0x650 [ 523.561095] ? lockdep_init_map+0x9/0x10 [ 523.565155] sget_userns+0x691/0xe40 [ 523.568872] ? set_anon_super+0x20/0x20 [ 523.572853] ? put_filp+0x90/0x90 [ 523.576299] ? destroy_unused_super.part.6+0xd0/0xd0 [ 523.581400] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 523.586414] ? save_stack+0xa3/0xd0 [ 523.590032] ? save_stack+0x43/0xd0 [ 523.593649] ? kasan_slab_alloc+0x12/0x20 [ 523.597787] ? kmem_cache_alloc+0x12e/0x760 [ 523.602098] ? alloc_pid+0xc1/0xa00 [ 523.605723] ? __radix_tree_replace+0x1af/0x310 [ 523.610399] ? radix_tree_delete+0x30/0x30 [ 523.614631] ? node_tag_clear+0xf2/0x180 [ 523.618696] ? proc_get_inode+0x620/0x620 [ 523.622835] mount_ns+0x6d/0x190 [ 523.626197] proc_mount+0x7a/0x90 [ 523.629645] mount_fs+0x66/0x2d0 [ 523.633014] vfs_kern_mount.part.26+0xc6/0x4a0 [ 523.637596] ? may_umount+0xa0/0xa0 [ 523.641223] ? idr_alloc_cyclic+0x1d6/0x320 [ 523.645545] ? do_raw_spin_trylock+0x190/0x190 [ 523.650128] ? idr_alloc+0x180/0x180 [ 523.653849] kern_mount_data+0x50/0xb0 [ 523.657735] pid_ns_prepare_proc+0x1e/0x80 [ 523.661970] alloc_pid+0x87e/0xa00 [ 523.665517] ? __change_pid+0x400/0x400 [ 523.669485] ? ns_capable_common+0xcf/0x160 [ 523.673814] ? memset+0x31/0x40 [ 523.677090] ? copy_thread_tls+0x268/0x8f0 [ 523.681322] copy_process.part.38+0x2516/0x4bd0 [ 523.685994] ? __cleanup_sighand+0x40/0x40 [ 523.690236] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 523.695423] ? __lock_acquire+0x664/0x3e00 [ 523.699653] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 523.705687] ? __lock_is_held+0xb6/0x140 [ 523.709762] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 523.714960] ? print_irqtrace_events+0x270/0x270 [ 523.719720] ? print_irqtrace_events+0x270/0x270 [ 523.724481] ? lock_acquire+0x1d5/0x580 [ 523.728455] ? trace_hardirqs_off+0x10/0x10 [ 523.732773] ? trace_hardirqs_off+0x10/0x10 [ 523.737092] ? __lock_acquire+0x664/0x3e00 [ 523.741325] ? check_same_owner+0x320/0x320 [ 523.745648] ? find_held_lock+0x35/0x1d0 [ 523.749715] ? _parse_integer+0xe9/0x140 [ 523.753779] ? trace_hardirqs_off+0x10/0x10 [ 523.758109] ? _parse_integer+0x140/0x140 [ 523.762265] ? trace_hardirqs_off+0x10/0x10 [ 523.766584] ? get_pid_task+0x93/0x140 [ 523.770470] ? lock_downgrade+0x980/0x980 [ 523.774618] ? find_held_lock+0x35/0x1d0 [ 523.778682] ? __f_unlock_pos+0x19/0x20 [ 523.782649] ? lock_downgrade+0x980/0x980 [ 523.786790] ? get_pid_task+0xbc/0x140 [ 523.790677] ? proc_fail_nth_write+0x9b/0x1d0 [ 523.795175] ? map_files_get_link+0x3a0/0x3a0 [ 523.799669] ? handle_mm_fault+0x35b/0xb10 [ 523.803907] _do_fork+0x1f7/0xf70 [ 523.807366] ? fork_idle+0x2d0/0x2d0 [ 523.811077] ? wait_for_completion+0x770/0x770 [ 523.815650] ? __lock_is_held+0xb6/0x140 [ 523.819710] ? __sb_end_write+0xa0/0xd0 [ 523.823671] ? fput+0xd2/0x140 [ 523.826846] ? SyS_write+0x184/0x220 [ 523.830543] ? SyS_read+0x220/0x220 [ 523.834151] SyS_clone+0x37/0x50 [ 523.837495] ? sys_vfork+0x30/0x30 [ 523.841022] do_syscall_64+0x281/0x940 [ 523.844890] ? vmalloc_sync_all+0x30/0x30 [ 523.849022] ? _raw_spin_unlock_irq+0x27/0x70 [ 523.853500] ? finish_task_switch+0x1c1/0x7e0 [ 523.857977] ? syscall_return_slowpath+0x550/0x550 [ 523.862887] ? syscall_return_slowpath+0x2ac/0x550 [ 523.867801] ? prepare_exit_to_usermode+0x350/0x350 [ 523.872814] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 523.878167] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 523.882993] entry_SYSCALL_64_after_hwframe+0x42/0xb7 2018/03/30 21:41:06 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) setsockopt$inet_tcp_TCP_MD5SIG(r2, 0x6, 0xe, &(0x7f0000000c40)={@in6={{0xa, 0x4e24, 0xfffffffffffffffa, @local={0xfe, 0x80, [], 0xaa}}}, 0x401, 0xf, 0xf84, "bf3b04c3ad52fedb758bbf545e20b22d88cd63ff03d6565206d7ea7b05d59bb5cad9c480c8ce87315019b476c6d322ee3a593399de0f30704aac4294422a1bbeab7882301eb79e91d42023985ca6ff6d"}, 0xd8) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:06 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0106426, &(0x7f00000007c0)={0x2, &(0x7f00000006c0)=[{0x0}, {}]}) ioctl$DRM_IOCTL_LOCK(r0, 0x4008642a, &(0x7f0000000c40)={r2, 0x2}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r3 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) lseek(r1, 0x0, 0x3) ioctl$sock_FIOGETOWN(r3, 0x8903, &(0x7f0000002580)=0x0) r5 = geteuid() stat(&(0x7f00000025c0)='./file0\x00', &(0x7f0000002600)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$netlink(r3, &(0x7f0000002700)={&(0x7f0000000e40)=@proc={0x10, 0x0, 0x25dfdbfd, 0x204001}, 0xc, &(0x7f0000002540)=[{&(0x7f0000000e80)={0x18c, 0x3b, 0x60b, 0x70bd2a, 0x25dfdbfb, "", [@typed={0x14, 0x42, @ipv6}, @nested={0x10, 0x96, [@typed={0xc, 0x1a, @u64=0x1}]}, @nested={0x4, 0x82}, @nested={0x90, 0x7c, [@typed={0x8c, 0x7, @binary="927bfdb85f83f0110442235da4791c2ae7eed777cdb54a5552a3716587c3b9fae2ed30f2f059cd0d0e8a97c3f80f0ef3f6bc84bc45bf28da30f7d12f0c2990b2ba40d60e5e4eee4687f1ab4caa01abe8b29988e8521f36ce9223ce256fa6697e45604e52268f1beac870534b109e83674ea7f761f23cf08d865e769352ba8e69b21235b0685e"}]}, @nested={0xc4, 0x8c, [@generic="d4cda1a8f61bfb4e78ba8c7cf1a820723a6a17a961860acba9867102ab21cd077e8f622c7bb61d5f0016a12f73d0da50fbc25c15a12a27d5071542e5a1278ee6c0ac2e6b59413bf2fb7b6e7afc41ddae81fb84cc7d99b2868a8dddcd8cd6492e603d08a67d18e380823bdff59dcba45a169baed708f94c3e58adc903da0f5fdefdbb36da4218dc2d9e637914d2f5c0b357409c3c7ba66b58e72b5be5a7353c20c9d1ff8a3d58bacd2b06232acd9e6f3eb5dafc5db9af", @typed={0x8, 0x3, @u32=0x45165eaf}]}]}, 0x18c}, {&(0x7f0000001040)={0x14f8, 0x3a, 0x100, 0x70bd2a, 0x25dfdbfd, "", [@nested={0x1328, 0x25, [@generic="76ec185d8e160fd64e19b3a6418433d659c6b9e43e99350cbe17cce0386e37e2aeda6c3b82379147f51d23bdb75358b61d6865c2e299b60bcefcc26d792014b42054d607cb4052f2c7320f60e6e94b54cbb4d02a8166b1c1a7f44373c3e25059daba750ebc26289428cf205d9d8f7b9797a4b38057dd1ea80105615d7bc0723833d47f004575d779cb70eed1d03f48373ca18de712a63981c7cdaedef192754b7cbfe8fd28189dc89f1544f1943b0d2a8eaf9a0b7703d098b7cae44b7071448751c70f98cf4bdd9ae9352f9423f15d998d08801e37b2a0c3bb373abb7955cae21aa82989fc9377d795e2c0aea44db3ca2143da8c64a0bc5f60", @typed={0xc, 0x68, @u64=0xd2}, @generic="434bf951b89ec7485460461b00dfcc6de617939125480c41d6eae5e00d6aff7f7ac1568901e4a8fe5f515c00ed5e9c691e05a67f4639532e3335e5c7aa51641014718106f011e15d6641d4a4ad559bc1721c99b4b29ae253ed452186edce4dd9ee7ab71efa82b0900a0a9ee220a5c0c97e10cae6ae41053a8a2387a41a04b183", @generic="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", @generic="71c7cdc59e620b535de141600293cdc214", @generic="cc68e19a15844f76b5e4db9bf02cf93c401b4bd655df694451e249a3bba837dc4989ae16999b964cd277f062b7223f0ae92093970fcd7557f90cb3d379b46ae9fa5dba22bc8be4a18905a284a30af0498484ac697f8b8755cab0c0a6fe985a87570a3c84f2a1975d2eef036ce75fe97c0f567dfe0c90779afe20a431d8166952e8a0b2c26a2aea30ddb35a64caff0ba2529f5511eaab7a675c6cc8d7bb0343a47a752eb8016e6dab44dd8c138c00ac07c9fef05244bde787c366c45e3384b473a703b1405674185b68acc7d6c864448b0bee693f7afdf6d3e5fc886219af22d1", @generic="151be453dfeb26d8c31210b90491270ef344cbbf5945c0927eeacb70a8e9e010a8af7c1f5eb9902b121ec572ade6681b09468e9e2773df538005f943c508007d426781a54f5cc97f6458e0e0eb1a6dfac2e12972070c6bbdf9ec8db6a7232f3b2617945c28d49065c9426bd33b5b8930af835b3b7e03910cb666e024762f64e4ee5bd5b9181f94cde6393bd8be325b238cd0c8243e6b70e9a109715d75f5cb7679d3cafed80b84a545ea8cf5"]}, @nested={0xf8, 0x44, [@generic="6699248295d622145fbfd89c40625582be7a8b653231fa15d7254915907f9c7f9b04b42f", @generic="546ffb1fad1634097d639b38e779605bd139523e86b1047a10fe36fb6ac259c9846089a3765767cdc8e03a0d042e766070100c0f0defe0fd92a8ce458c3bd462fae72cb93852affbc25fc4c3", @generic="44293dfff979db372643cf46af18d4ec530b7ffa11d5d0b6f9213119be294497c3bc24f5f46f1d788f06c0b9b0dc2027b4", @typed={0xc, 0xb, @str='filter\x00'}, @generic="82990859f45ebca15379a6464c9fa43d244633d2d2f062df2cfde2601c64917b3b3acec4190afa6938888e701721", @typed={0x4, 0x4c}, @typed={0x14, 0x8f, @ipv6=@ipv4={[], [0xff, 0xff]}}]}, @typed={0x14, 0x73, @ipv6=@local={0xfe, 0x80, [], 0xaa}}, @generic="7ede1ab0a809a414cc1a5bce7dde4b5ff20b131529bc12e6ec893b3799c9c7e072be6ea0ec83639eab6409c9537c8b97481454aeaf3bb2a23a61010d93a37c29b78eb8d574c835070d15f81e954b341edeb4d3969f9c3e51a8a9eb8e28127b7db833be89a535cff19304d2524d2ceaa0bf1616bf21924877254634f669947311d443e3ed1a97abf3a3dfdbbc4bfaf708a9b5b281834ac9e1fa199970d240d9484f089e67cad3c96ae0b14fc3a804ea2985e4fd64"]}, 0x14f8}], 0x2, &(0x7f0000002680)=[@cred={0x20, 0x1, 0x2, r4, r5, r6}, @rights={0x38, 0x1, 0x1, [r3, r0, r3, r1, r0, r0, r1, r3, r3]}], 0x58}, 0x40) ioctl$sock_ipx_SIOCAIPXPRISLT(r3, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000300)={r7, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r3, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r3, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) r8 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000c80)='/dev/vga_arbiter\x00', 0x20800, 0x0) ioctl$sock_SIOCADDDLCI(r8, 0x8980, &(0x7f0000000cc0)={'nr0\x00', 0x200}) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) getsockopt$sock_int(r8, 0x1, 0x2f, &(0x7f0000000dc0), &(0x7f0000000e00)=0x4) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r9 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) getsockopt$IPT_SO_GET_INFO(r9, 0x0, 0x40, &(0x7f0000000d00)={'filter\x00'}, &(0x7f0000000d80)=0x54) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000740)='/dev/sequencer2\x00', 0x40000222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r9, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r7}, 0x20) 2018/03/30 21:41:06 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000c40)=0xf3fd) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r6, &(0x7f00000001c0)={0x18, 0x0, {0x1, @random="9139ed510fa1", 'bridge0\x00'}}, 0x1e) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(r5, 0x8924, &(0x7f0000000200)={'bridge0\x00', r7}) connect$pppoe(r6, &(0x7f0000000140)={0x18, 0x0, {0x2, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}, 'syz_tun\x00'}}, 0x1e) pivot_root(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)='./file0\x00') ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x8, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 523.888166] RIP: 0033:0x454e79 [ 523.891336] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 523.899036] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 523.906289] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 523.913543] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 523.920802] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 523.928058] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000017 2018/03/30 21:41:06 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:06 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x0, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:07 executing program 4 (fault-call:10 fault-nth:24): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 524.477261] IPVS: ftp: loaded support on port[0] = 21 2018/03/30 21:41:07 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:07 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:07 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x0, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:07 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e20}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x85, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) r5 = syz_genetlink_get_family_id$fou(&(0x7f00000007c0)='fou\x00') sendmsg$FOU_CMD_GET(r4, &(0x7f0000000cc0)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000c80)={&(0x7f0000000c40)={0x24, r5, 0x2, 0x70bd28, 0x25dfdbfc, {0x3}, [@FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_AF={0x8, 0x2, 0xa}]}, 0x24}, 0x1, 0x0, 0x0, 0x10}, 0x0) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:07 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x0, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:07 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$sock_SIOCGPGRP(r2, 0x8904, &(0x7f0000000740)) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r2, 0x84, 0x4, &(0x7f0000000700)=0xfffffffffffffbff, 0x4) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:07 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000740)={0x0}, &(0x7f00000007c0)=0xc) ptrace$getregs(0xe, r3, 0x7a, &(0x7f0000000c40)=""/73) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r4, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) syz_open_dev$loop(&(0x7f0000000cc0)='/dev/loop#\x00', 0x8001, 0x1) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r4}, 0x20) [ 524.606542] FAULT_INJECTION: forcing a failure. [ 524.606542] name failslab, interval 1, probability 0, space 0, times 0 [ 524.618051] CPU: 0 PID: 2714 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 524.625333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 524.634691] Call Trace: [ 524.637312] dump_stack+0x194/0x24d [ 524.640957] ? arch_local_irq_restore+0x53/0x53 [ 524.645661] ? __save_stack_trace+0x7e/0xd0 [ 524.650001] should_fail+0x8c0/0xa40 2018/03/30 21:41:07 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a613", 0x7e}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 524.653730] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 524.658937] ? kasan_kmalloc+0xad/0xe0 [ 524.662843] ? kmem_cache_alloc_trace+0x136/0x740 [ 524.667702] ? __memcg_init_list_lru_node+0x169/0x270 [ 524.672910] ? __list_lru_init+0x544/0x750 [ 524.677165] ? sget_userns+0x691/0xe40 [ 524.681070] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 524.685848] ? kern_mount_data+0x50/0xb0 [ 524.689927] ? pid_ns_prepare_proc+0x1e/0x80 [ 524.694340] ? alloc_pid+0x87e/0xa00 [ 524.698062] ? copy_process.part.38+0x2516/0x4bd0 [ 524.702912] ? _do_fork+0x1f7/0xf70 2018/03/30 21:41:07 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'lo\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000d40)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x1ff, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000007c0)='/dev/sequencer2\x00', 0x0, 0x0) getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f0000000c40)={{{@in, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in=@dev}}, &(0x7f0000000740)=0xe8) ioprio_set$uid(0x3, r5, 0x6) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(r4, 0x40085203, &(0x7f0000000e00)=ANY=[@ANYBLOB="0f0cec00571cecd1a7e2d63b02f9063f7107aa2992058a7068825512f01aeeef3d97cc4330926f18ffb058765c2812ad17e539fea63629cdd9819549614e2311eefabddb588c7b539acb6bf69fdcf1f91088aea9adbeda042115297744b50cfcb524d98eaa11c4d1d2b4cd24c8aa5a1c0f83468bf9877a0d4f03430d1d30f9e2f7a143eab2bbf85f06fce6d5417d0501f30a1195f962db02fd53ef3fc9ef719c3fe0989cd1078de0803443cc0b56d9572df3e0038982b160ea5a3b75e94c990056545659b3cadefa60e18b094766fde84d3be6"]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 524.706548] ? SyS_clone+0x37/0x50 [ 524.710100] ? find_held_lock+0x35/0x1d0 [ 524.714178] ? __lock_is_held+0xb6/0x140 [ 524.718267] ? check_same_owner+0x320/0x320 [ 524.722611] ? rcu_note_context_switch+0x710/0x710 [ 524.727563] should_failslab+0xec/0x120 [ 524.731564] kmem_cache_alloc_trace+0x4b/0x740 [ 524.736179] ? __kmalloc_node+0x33/0x70 [ 524.740165] ? __kmalloc_node+0x33/0x70 [ 524.744148] ? rcu_read_lock_sched_held+0x108/0x120 [ 524.749175] __memcg_init_list_lru_node+0x169/0x270 2018/03/30 21:41:07 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a613", 0x7e}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 524.754205] ? list_lru_add+0x7c0/0x7c0 [ 524.758192] ? __kmalloc_node+0x47/0x70 [ 524.762184] __list_lru_init+0x544/0x750 [ 524.766262] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 524.772160] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 524.777192] ? __lockdep_init_map+0xe4/0x650 [ 524.781613] ? lockdep_init_map+0x9/0x10 [ 524.785689] sget_userns+0x691/0xe40 [ 524.789582] ? set_anon_super+0x20/0x20 [ 524.793564] ? put_filp+0x90/0x90 [ 524.797028] ? destroy_unused_super.part.6+0xd0/0xd0 [ 524.802145] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 524.807185] ? save_stack+0xa3/0xd0 [ 524.810837] ? save_stack+0x43/0xd0 [ 524.814493] ? kasan_slab_alloc+0x12/0x20 [ 524.818658] ? kmem_cache_alloc+0x12e/0x760 [ 524.822994] ? alloc_pid+0xc1/0xa00 [ 524.826636] ? __radix_tree_replace+0x1af/0x310 [ 524.831324] ? radix_tree_delete+0x30/0x30 [ 524.835571] ? node_tag_clear+0xf2/0x180 [ 524.839650] ? proc_get_inode+0x620/0x620 [ 524.843807] mount_ns+0x6d/0x190 [ 524.847189] proc_mount+0x7a/0x90 [ 524.850652] mount_fs+0x66/0x2d0 [ 524.854031] vfs_kern_mount.part.26+0xc6/0x4a0 [ 524.858627] ? may_umount+0xa0/0xa0 [ 524.862263] ? idr_alloc_cyclic+0x1d6/0x320 [ 524.866599] ? do_raw_spin_trylock+0x190/0x190 [ 524.871195] ? idr_alloc+0x180/0x180 [ 524.874921] kern_mount_data+0x50/0xb0 [ 524.878813] pid_ns_prepare_proc+0x1e/0x80 [ 524.883057] alloc_pid+0x87e/0xa00 [ 524.886611] ? __change_pid+0x400/0x400 [ 524.890594] ? ns_capable_common+0xcf/0x160 [ 524.894930] ? memset+0x31/0x40 [ 524.898219] ? copy_thread_tls+0x268/0x8f0 [ 524.902467] copy_process.part.38+0x2516/0x4bd0 [ 524.907151] ? __cleanup_sighand+0x40/0x40 [ 524.911412] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 524.916620] ? __lock_acquire+0x664/0x3e00 [ 524.920874] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 524.926074] ? environ_open+0x80/0x80 [ 524.929897] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 524.935105] ? __lock_acquire+0x664/0x3e00 [ 524.939356] ? mntput_no_expire+0x130/0xa90 [ 524.943694] ? print_irqtrace_events+0x270/0x270 [ 524.948466] ? trace_hardirqs_off+0x10/0x10 [ 524.952801] ? lock_acquire+0x1d5/0x580 [ 524.956823] ? trace_hardirqs_off+0x10/0x10 [ 524.961147] ? trace_hardirqs_off+0x10/0x10 [ 524.965468] ? __lock_acquire+0x664/0x3e00 [ 524.969693] ? check_same_owner+0x320/0x320 [ 524.974004] ? find_held_lock+0x35/0x1d0 [ 524.978067] ? _parse_integer+0xe9/0x140 [ 524.982157] ? trace_hardirqs_off+0x10/0x10 [ 524.986487] ? _parse_integer+0x140/0x140 [ 524.990629] ? trace_hardirqs_off+0x10/0x10 [ 524.994939] ? get_pid_task+0x93/0x140 [ 524.998839] ? lock_downgrade+0x980/0x980 [ 525.002975] ? find_held_lock+0x35/0x1d0 [ 525.007036] ? __f_unlock_pos+0x19/0x20 [ 525.011007] ? lock_downgrade+0x980/0x980 [ 525.015148] ? get_pid_task+0xbc/0x140 [ 525.019026] ? proc_fail_nth_write+0x9b/0x1d0 [ 525.023510] ? map_files_get_link+0x3a0/0x3a0 [ 525.027992] ? handle_mm_fault+0x35b/0xb10 [ 525.032214] _do_fork+0x1f7/0xf70 [ 525.035650] ? fork_idle+0x2d0/0x2d0 [ 525.039355] ? wait_for_completion+0x770/0x770 [ 525.043940] ? __lock_is_held+0xb6/0x140 [ 525.047997] ? __sb_end_write+0xa0/0xd0 [ 525.051960] ? fput+0xd2/0x140 [ 525.055138] ? SyS_write+0x184/0x220 [ 525.058839] ? SyS_read+0x220/0x220 [ 525.062461] SyS_clone+0x37/0x50 [ 525.065825] ? sys_vfork+0x30/0x30 [ 525.069348] do_syscall_64+0x281/0x940 [ 525.073223] ? vmalloc_sync_all+0x30/0x30 [ 525.077359] ? _raw_spin_unlock_irq+0x27/0x70 [ 525.081926] ? finish_task_switch+0x1c1/0x7e0 [ 525.086407] ? syscall_return_slowpath+0x550/0x550 [ 525.091327] ? syscall_return_slowpath+0x2ac/0x550 [ 525.096263] ? prepare_exit_to_usermode+0x350/0x350 [ 525.101625] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 525.106998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 525.111846] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 525.117024] RIP: 0033:0x454e79 [ 525.120203] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 525.127913] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 525.135175] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 525.142433] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 525.149693] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 525.156945] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000018 2018/03/30 21:41:08 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x0, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:08 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a613", 0x7e}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:08 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x0, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:08 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:08 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) ioctl$sock_SIOCADDDLCI(r2, 0x8980, &(0x7f0000000740)={'teql0\x00', 0x3}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:08 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) ioctl$PPPIOCGFLAGS(r4, 0x8004745a, &(0x7f0000000700)) 2018/03/30 21:41:08 executing program 4 (fault-call:10 fault-nth:25): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:08 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) ioctl$ASHMEM_SET_SIZE(r4, 0x40087703, 0x4) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0xfffffffffffffffe, 0x7, 0x401, 0x1c, r3}, 0x20) 2018/03/30 21:41:08 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9", 0xbd}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:08 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x0, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 525.839124] FAULT_INJECTION: forcing a failure. [ 525.839124] name failslab, interval 1, probability 0, space 0, times 0 [ 525.850517] CPU: 1 PID: 2779 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 525.857794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 525.867153] Call Trace: [ 525.869747] dump_stack+0x194/0x24d [ 525.873393] ? arch_local_irq_restore+0x53/0x53 [ 525.878070] ? __save_stack_trace+0x7e/0xd0 [ 525.882398] should_fail+0x8c0/0xa40 [ 525.886128] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 525.891237] ? kasan_kmalloc+0xad/0xe0 [ 525.895127] ? kmem_cache_alloc_trace+0x136/0x740 [ 525.899971] ? __memcg_init_list_lru_node+0x169/0x270 [ 525.905160] ? __list_lru_init+0x544/0x750 [ 525.909393] ? sget_userns+0x691/0xe40 [ 525.913281] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 525.918026] ? kern_mount_data+0x50/0xb0 [ 525.922079] ? pid_ns_prepare_proc+0x1e/0x80 [ 525.926474] ? alloc_pid+0x87e/0xa00 [ 525.930180] ? copy_process.part.38+0x2516/0x4bd0 [ 525.935017] ? _do_fork+0x1f7/0xf70 [ 525.938642] ? SyS_clone+0x37/0x50 [ 525.942185] ? find_held_lock+0x35/0x1d0 [ 525.946256] ? __lock_is_held+0xb6/0x140 [ 525.950336] ? check_same_owner+0x320/0x320 [ 525.954663] ? rcu_note_context_switch+0x710/0x710 [ 525.959600] should_failslab+0xec/0x120 [ 525.963578] kmem_cache_alloc_trace+0x4b/0x740 [ 525.968163] ? __kmalloc_node+0x33/0x70 [ 525.972136] ? __kmalloc_node+0x33/0x70 [ 525.976111] ? rcu_read_lock_sched_held+0x108/0x120 [ 525.981131] __memcg_init_list_lru_node+0x169/0x270 2018/03/30 21:41:08 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(r1, 0xc058534f, &(0x7f0000000c40)={{0x9, 0x7e}, 0x1, 0x9, 0x71, {0x67, 0x7}, 0x1ff, 0x8}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e1d, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000000cc0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 525.986152] ? list_lru_add+0x7c0/0x7c0 [ 525.990123] ? __kmalloc_node+0x47/0x70 [ 525.994103] __list_lru_init+0x544/0x750 [ 525.998164] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 526.004056] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 526.009080] ? __lockdep_init_map+0xe4/0x650 [ 526.013503] ? lockdep_init_map+0x9/0x10 [ 526.017570] sget_userns+0x691/0xe40 [ 526.021283] ? set_anon_super+0x20/0x20 [ 526.025253] ? put_filp+0x90/0x90 [ 526.028706] ? destroy_unused_super.part.6+0xd0/0xd0 [ 526.033811] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 526.038829] ? save_stack+0xa3/0xd0 [ 526.042456] ? save_stack+0x43/0xd0 [ 526.046081] ? kasan_slab_alloc+0x12/0x20 [ 526.050225] ? kmem_cache_alloc+0x12e/0x760 [ 526.054542] ? alloc_pid+0xc1/0xa00 [ 526.058168] ? __radix_tree_replace+0x1af/0x310 [ 526.062836] ? radix_tree_delete+0x30/0x30 [ 526.067069] ? node_tag_clear+0xf2/0x180 [ 526.071136] ? proc_get_inode+0x620/0x620 [ 526.075286] mount_ns+0x6d/0x190 [ 526.078662] proc_mount+0x7a/0x90 [ 526.082114] mount_fs+0x66/0x2d0 [ 526.085483] vfs_kern_mount.part.26+0xc6/0x4a0 [ 526.090067] ? may_umount+0xa0/0xa0 [ 526.093695] ? idr_alloc_cyclic+0x1d6/0x320 [ 526.098016] ? do_raw_spin_trylock+0x190/0x190 [ 526.102606] ? idr_alloc+0x180/0x180 [ 526.106323] kern_mount_data+0x50/0xb0 [ 526.110211] pid_ns_prepare_proc+0x1e/0x80 [ 526.114446] alloc_pid+0x87e/0xa00 [ 526.117988] ? __change_pid+0x400/0x400 [ 526.121962] ? ns_capable_common+0xcf/0x160 [ 526.126296] ? memset+0x31/0x40 [ 526.129579] ? copy_thread_tls+0x268/0x8f0 [ 526.133820] copy_process.part.38+0x2516/0x4bd0 [ 526.138495] ? __cleanup_sighand+0x40/0x40 [ 526.142739] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 526.147931] ? __lock_acquire+0x664/0x3e00 [ 526.152182] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 526.157387] ? __lock_is_held+0xb6/0x140 [ 526.161454] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 526.166643] ? print_irqtrace_events+0x270/0x270 [ 526.171407] ? print_irqtrace_events+0x270/0x270 [ 526.176169] ? lock_acquire+0x1d5/0x580 [ 526.180150] ? trace_hardirqs_off+0x10/0x10 [ 526.184474] ? trace_hardirqs_off+0x10/0x10 [ 526.188798] ? __lock_acquire+0x664/0x3e00 [ 526.193031] ? check_same_owner+0x320/0x320 [ 526.197362] ? find_held_lock+0x35/0x1d0 [ 526.201429] ? _parse_integer+0xe9/0x140 [ 526.205492] ? trace_hardirqs_off+0x10/0x10 [ 526.209813] ? _parse_integer+0x140/0x140 [ 526.213972] ? trace_hardirqs_off+0x10/0x10 [ 526.218303] ? get_pid_task+0x93/0x140 [ 526.222192] ? lock_downgrade+0x980/0x980 [ 526.226348] ? find_held_lock+0x35/0x1d0 [ 526.230418] ? __f_unlock_pos+0x19/0x20 [ 526.234394] ? lock_downgrade+0x980/0x980 [ 526.238535] ? get_pid_task+0xbc/0x140 [ 526.242414] ? proc_fail_nth_write+0x9b/0x1d0 [ 526.246898] ? map_files_get_link+0x3a0/0x3a0 [ 526.251389] ? handle_mm_fault+0x35b/0xb10 [ 526.255626] _do_fork+0x1f7/0xf70 [ 526.259078] ? fork_idle+0x2d0/0x2d0 [ 526.262797] ? wait_for_completion+0x770/0x770 [ 526.267387] ? __lock_is_held+0xb6/0x140 [ 526.271454] ? __sb_end_write+0xa0/0xd0 [ 526.275431] ? fput+0xd2/0x140 [ 526.278627] ? SyS_write+0x184/0x220 [ 526.282351] ? SyS_read+0x220/0x220 [ 526.285981] SyS_clone+0x37/0x50 [ 526.289339] ? sys_vfork+0x30/0x30 [ 526.292875] do_syscall_64+0x281/0x940 [ 526.296756] ? vmalloc_sync_all+0x30/0x30 [ 526.300897] ? _raw_spin_unlock_irq+0x27/0x70 [ 526.305383] ? finish_task_switch+0x1c1/0x7e0 [ 526.309875] ? syscall_return_slowpath+0x550/0x550 [ 526.314794] ? syscall_return_slowpath+0x2ac/0x550 [ 526.319735] ? prepare_exit_to_usermode+0x350/0x350 [ 526.324756] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 526.330385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 526.335240] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 526.340429] RIP: 0033:0x454e79 [ 526.343608] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 526.351309] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 526.358566] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 526.365826] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 526.373085] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 526.380344] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000019 2018/03/30 21:41:09 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9", 0xbd}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:09 executing program 4 (fault-call:10 fault-nth:26): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:09 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) fallocate(r4, 0x1, 0x4af, 0x2) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:09 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x0, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:09 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:09 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in6={{0xa, 0x4e21, 0x2, @empty, 0xffffffff}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") openat$rtc(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rtc\x00', 0x301040, 0x0) ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000700)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:09 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:09 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x0, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 526.910982] FAULT_INJECTION: forcing a failure. [ 526.910982] name failslab, interval 1, probability 0, space 0, times 0 [ 526.922398] CPU: 1 PID: 2837 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 526.929682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 526.939043] Call Trace: [ 526.941641] dump_stack+0x194/0x24d [ 526.945370] ? arch_local_irq_restore+0x53/0x53 [ 526.950048] ? __save_stack_trace+0x7e/0xd0 [ 526.954387] should_fail+0x8c0/0xa40 2018/03/30 21:41:09 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9", 0xbd}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 526.958112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 526.963224] ? kasan_kmalloc+0xad/0xe0 [ 526.967130] ? kmem_cache_alloc_trace+0x136/0x740 [ 526.971976] ? __memcg_init_list_lru_node+0x169/0x270 [ 526.977195] ? __list_lru_init+0x544/0x750 [ 526.981436] ? sget_userns+0x691/0xe40 [ 526.985334] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 526.990097] ? kern_mount_data+0x50/0xb0 [ 526.994161] ? pid_ns_prepare_proc+0x1e/0x80 [ 526.998573] ? alloc_pid+0x87e/0xa00 [ 527.002287] ? copy_process.part.38+0x2516/0x4bd0 [ 527.007134] ? _do_fork+0x1f7/0xf70 2018/03/30 21:41:09 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r2, 0x84, 0x79, &(0x7f0000000000)=0x9, 0x4) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) socket$can_bcm(0x1d, 0x2, 0x2) syz_open_dev$sndseq(&(0x7f0000000740)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f00000007c0), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 527.010766] ? SyS_clone+0x37/0x50 [ 527.014315] ? find_held_lock+0x35/0x1d0 [ 527.018389] ? __lock_is_held+0xb6/0x140 [ 527.022468] ? check_same_owner+0x320/0x320 [ 527.026804] ? rcu_note_context_switch+0x710/0x710 [ 527.031752] should_failslab+0xec/0x120 [ 527.035735] kmem_cache_alloc_trace+0x4b/0x740 [ 527.040332] ? __kmalloc_node+0x33/0x70 [ 527.044309] ? __kmalloc_node+0x33/0x70 [ 527.048287] ? rcu_read_lock_sched_held+0x108/0x120 [ 527.053314] __memcg_init_list_lru_node+0x169/0x270 [ 527.058342] ? list_lru_add+0x7c0/0x7c0 [ 527.062327] ? __kmalloc_node+0x47/0x70 [ 527.066314] __list_lru_init+0x544/0x750 [ 527.070390] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 527.076287] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 527.081316] ? __lockdep_init_map+0xe4/0x650 [ 527.085742] ? lockdep_init_map+0x9/0x10 [ 527.089813] sget_userns+0x691/0xe40 [ 527.093532] ? set_anon_super+0x20/0x20 [ 527.097523] ? put_filp+0x90/0x90 [ 527.100976] ? destroy_unused_super.part.6+0xd0/0xd0 [ 527.106109] ? __alloc_pages_slowpath+0x2d10/0x2d10 2018/03/30 21:41:09 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 527.111134] ? save_stack+0xa3/0xd0 [ 527.114772] ? save_stack+0x43/0xd0 [ 527.118405] ? kasan_slab_alloc+0x12/0x20 [ 527.122555] ? kmem_cache_alloc+0x12e/0x760 [ 527.126882] ? alloc_pid+0xc1/0xa00 [ 527.130518] ? __radix_tree_replace+0x1af/0x310 [ 527.135194] ? radix_tree_delete+0x30/0x30 [ 527.139434] ? node_tag_clear+0xf2/0x180 [ 527.143596] ? proc_get_inode+0x620/0x620 [ 527.147752] mount_ns+0x6d/0x190 [ 527.151128] proc_mount+0x7a/0x90 [ 527.154593] mount_fs+0x66/0x2d0 [ 527.157966] vfs_kern_mount.part.26+0xc6/0x4a0 [ 527.162551] ? may_umount+0xa0/0xa0 [ 527.166177] ? idr_alloc_cyclic+0x1d6/0x320 [ 527.170504] ? do_raw_spin_trylock+0x190/0x190 [ 527.175177] ? idr_alloc+0x180/0x180 [ 527.178899] kern_mount_data+0x50/0xb0 [ 527.182793] pid_ns_prepare_proc+0x1e/0x80 [ 527.187035] alloc_pid+0x87e/0xa00 [ 527.190588] ? __change_pid+0x400/0x400 [ 527.194654] ? ns_capable_common+0xcf/0x160 [ 527.198996] ? memset+0x31/0x40 [ 527.202291] ? copy_thread_tls+0x268/0x8f0 [ 527.206538] copy_process.part.38+0x2516/0x4bd0 2018/03/30 21:41:10 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f6", 0xdd}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 527.211216] ? __cleanup_sighand+0x40/0x40 [ 527.215474] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 527.220680] ? __lock_acquire+0x664/0x3e00 [ 527.224924] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 527.230117] ? __schedule+0x903/0x1ec0 [ 527.234023] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 527.239224] ? __lock_acquire+0x664/0x3e00 [ 527.243473] ? mntput_no_expire+0x130/0xa90 [ 527.247806] ? print_irqtrace_events+0x270/0x270 [ 527.252696] ? trace_hardirqs_off+0x10/0x10 [ 527.257038] ? lock_acquire+0x1d5/0x580 [ 527.261022] ? trace_hardirqs_off+0x10/0x10 [ 527.265350] ? trace_hardirqs_off+0x10/0x10 [ 527.269685] ? __lock_acquire+0x664/0x3e00 [ 527.273930] ? check_same_owner+0x320/0x320 [ 527.278269] ? find_held_lock+0x35/0x1d0 [ 527.282431] ? _parse_integer+0xe9/0x140 [ 527.286506] ? trace_hardirqs_off+0x10/0x10 [ 527.290834] ? _parse_integer+0x140/0x140 [ 527.294997] ? trace_hardirqs_off+0x10/0x10 [ 527.299328] ? get_pid_task+0x93/0x140 [ 527.303229] ? lock_downgrade+0x980/0x980 [ 527.307387] ? find_held_lock+0x35/0x1d0 2018/03/30 21:41:10 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f6", 0xdd}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 527.311458] ? __f_unlock_pos+0x19/0x20 [ 527.315439] ? lock_downgrade+0x980/0x980 [ 527.319615] ? get_pid_task+0xbc/0x140 [ 527.323512] ? proc_fail_nth_write+0x9b/0x1d0 [ 527.328019] ? map_files_get_link+0x3a0/0x3a0 [ 527.332523] ? handle_mm_fault+0x35b/0xb10 [ 527.336785] _do_fork+0x1f7/0xf70 [ 527.340255] ? fork_idle+0x2d0/0x2d0 [ 527.343978] ? wait_for_completion+0x770/0x770 [ 527.348568] ? __lock_is_held+0xb6/0x140 [ 527.352646] ? __sb_end_write+0xa0/0xd0 [ 527.356631] ? fput+0xd2/0x140 [ 527.359834] ? SyS_write+0x184/0x220 [ 527.363554] ? SyS_read+0x220/0x220 [ 527.367186] SyS_clone+0x37/0x50 [ 527.370556] ? sys_vfork+0x30/0x30 [ 527.374096] do_syscall_64+0x281/0x940 [ 527.377984] ? vmalloc_sync_all+0x30/0x30 [ 527.382131] ? _raw_spin_unlock_irq+0x27/0x70 [ 527.386627] ? finish_task_switch+0x1c1/0x7e0 [ 527.391131] ? syscall_return_slowpath+0x550/0x550 [ 527.396067] ? syscall_return_slowpath+0x2ac/0x550 [ 527.401010] ? prepare_exit_to_usermode+0x350/0x350 [ 527.406043] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 527.411420] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 527.416280] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 527.421476] RIP: 0033:0x454e79 [ 527.424681] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 527.432402] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 527.439677] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 527.446952] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 527.454233] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 2018/03/30 21:41:10 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f6", 0xdd}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:10 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000740)='net/ipx\x00') setsockopt$IP6T_SO_SET_ADD_COUNTERS(r2, 0x29, 0x41, &(0x7f0000000c40)={'filter\x00', 0x2, [{}, {}]}, 0x48) r3 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r3, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000300)={r4, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r3, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r3, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r4}, 0x20) [ 527.461524] R13: 0000000000000051 R14: 00000000006f2838 R15: 000000000000001a 2018/03/30 21:41:10 executing program 4 (fault-call:10 fault-nth:27): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 527.605251] FAULT_INJECTION: forcing a failure. [ 527.605251] name failslab, interval 1, probability 0, space 0, times 0 [ 527.616621] CPU: 1 PID: 2885 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 527.623904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 527.633264] Call Trace: [ 527.635865] dump_stack+0x194/0x24d [ 527.639602] ? arch_local_irq_restore+0x53/0x53 [ 527.644270] ? __save_stack_trace+0x7e/0xd0 [ 527.648583] should_fail+0x8c0/0xa40 [ 527.652283] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 527.657370] ? kasan_kmalloc+0xad/0xe0 [ 527.661247] ? kmem_cache_alloc_trace+0x136/0x740 [ 527.666093] ? __memcg_init_list_lru_node+0x169/0x270 [ 527.671298] ? __list_lru_init+0x544/0x750 [ 527.675549] ? sget_userns+0x691/0xe40 [ 527.679447] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 527.684299] ? kern_mount_data+0x50/0xb0 [ 527.689065] ? pid_ns_prepare_proc+0x1e/0x80 [ 527.693475] ? alloc_pid+0x87e/0xa00 [ 527.697200] ? copy_process.part.38+0x2516/0x4bd0 [ 527.702050] ? _do_fork+0x1f7/0xf70 [ 527.706271] ? SyS_clone+0x37/0x50 [ 527.709810] ? find_held_lock+0x35/0x1d0 [ 527.713862] ? __lock_is_held+0xb6/0x140 [ 527.717924] ? check_same_owner+0x320/0x320 [ 527.722249] ? rcu_note_context_switch+0x710/0x710 [ 527.727174] should_failslab+0xec/0x120 [ 527.731141] kmem_cache_alloc_trace+0x4b/0x740 [ 527.735723] ? __kmalloc_node+0x33/0x70 [ 527.739696] __memcg_init_list_lru_node+0x169/0x270 [ 527.744695] ? list_lru_add+0x7c0/0x7c0 [ 527.748662] ? __kmalloc_node+0x47/0x70 [ 527.752619] __list_lru_init+0x544/0x750 [ 527.756673] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 527.762550] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 527.767558] ? __lockdep_init_map+0xe4/0x650 [ 527.771967] ? lockdep_init_map+0x9/0x10 [ 527.776030] sget_userns+0x691/0xe40 [ 527.779752] ? set_anon_super+0x20/0x20 [ 527.783715] ? put_filp+0x90/0x90 [ 527.787146] ? destroy_unused_super.part.6+0xd0/0xd0 [ 527.792251] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 527.797276] ? save_stack+0xa3/0xd0 [ 527.800905] ? save_stack+0x43/0xd0 [ 527.804531] ? kasan_slab_alloc+0x12/0x20 [ 527.809376] ? kmem_cache_alloc+0x12e/0x760 [ 527.813698] ? alloc_pid+0xc1/0xa00 [ 527.817339] ? __radix_tree_replace+0x1af/0x310 [ 527.822017] ? radix_tree_delete+0x30/0x30 [ 527.826259] ? node_tag_clear+0xf2/0x180 [ 527.830332] ? proc_get_inode+0x620/0x620 [ 527.834487] mount_ns+0x6d/0x190 [ 527.837869] proc_mount+0x7a/0x90 [ 527.841323] mount_fs+0x66/0x2d0 [ 527.844720] vfs_kern_mount.part.26+0xc6/0x4a0 [ 527.849306] ? may_umount+0xa0/0xa0 [ 527.852940] ? idr_alloc_cyclic+0x1d6/0x320 [ 527.857267] ? do_raw_spin_trylock+0x190/0x190 [ 527.861844] ? idr_alloc+0x180/0x180 [ 527.865556] kern_mount_data+0x50/0xb0 [ 527.869431] pid_ns_prepare_proc+0x1e/0x80 [ 527.873659] alloc_pid+0x87e/0xa00 [ 527.877809] ? __change_pid+0x400/0x400 [ 527.881791] ? ns_capable_common+0xcf/0x160 [ 527.886125] ? memset+0x31/0x40 [ 527.889410] ? copy_thread_tls+0x268/0x8f0 [ 527.893643] copy_process.part.38+0x2516/0x4bd0 [ 527.898329] ? __cleanup_sighand+0x40/0x40 [ 527.902581] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 527.907777] ? __lock_acquire+0x664/0x3e00 [ 527.912013] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 527.917218] ? environ_open+0x80/0x80 [ 527.921040] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 527.926248] ? __lock_acquire+0x664/0x3e00 [ 527.930475] ? mntput_no_expire+0x130/0xa90 [ 527.934785] ? print_irqtrace_events+0x270/0x270 [ 527.939523] ? trace_hardirqs_off+0x10/0x10 [ 527.943825] ? lock_acquire+0x1d5/0x580 [ 527.947788] ? trace_hardirqs_off+0x10/0x10 [ 527.952091] ? trace_hardirqs_off+0x10/0x10 [ 527.956405] ? __lock_acquire+0x664/0x3e00 [ 527.960637] ? check_same_owner+0x320/0x320 [ 527.964959] ? find_held_lock+0x35/0x1d0 [ 527.974589] ? _parse_integer+0xe9/0x140 [ 527.978670] ? trace_hardirqs_off+0x10/0x10 [ 527.983003] ? _parse_integer+0x140/0x140 [ 527.987165] ? trace_hardirqs_off+0x10/0x10 [ 527.991494] ? get_pid_task+0x93/0x140 [ 527.995386] ? lock_downgrade+0x980/0x980 [ 527.999535] ? find_held_lock+0x35/0x1d0 [ 528.003581] ? __f_unlock_pos+0x19/0x20 [ 528.007539] ? lock_downgrade+0x980/0x980 [ 528.011675] ? get_pid_task+0xbc/0x140 [ 528.015548] ? proc_fail_nth_write+0x9b/0x1d0 [ 528.020038] ? map_files_get_link+0x3a0/0x3a0 [ 528.024520] ? handle_mm_fault+0x35b/0xb10 [ 528.028741] _do_fork+0x1f7/0xf70 [ 528.032173] ? fork_idle+0x2d0/0x2d0 [ 528.035866] ? wait_for_completion+0x770/0x770 [ 528.040430] ? __lock_is_held+0xb6/0x140 [ 528.044476] ? __sb_end_write+0xa0/0xd0 [ 528.048436] ? fput+0xd2/0x140 [ 528.051630] ? SyS_write+0x184/0x220 [ 528.055323] ? SyS_read+0x220/0x220 [ 528.058941] SyS_clone+0x37/0x50 [ 528.062287] ? sys_vfork+0x30/0x30 [ 528.065811] do_syscall_64+0x281/0x940 [ 528.069679] ? vmalloc_sync_all+0x30/0x30 [ 528.073815] ? _raw_spin_unlock_irq+0x27/0x70 [ 528.078291] ? finish_task_switch+0x1c1/0x7e0 [ 528.082766] ? syscall_return_slowpath+0x550/0x550 [ 528.087693] ? syscall_return_slowpath+0x2ac/0x550 [ 528.092609] ? prepare_exit_to_usermode+0x350/0x350 [ 528.097631] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 528.102997] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 528.107857] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 528.113044] RIP: 0033:0x454e79 [ 528.116218] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 528.123909] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 528.131169] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 528.138438] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 528.145689] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 2018/03/30 21:41:11 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d42", 0xed}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:11 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:11 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x2) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r4 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) getsockopt$SO_TIMESTAMPING(r4, 0x1, 0x25, &(0x7f0000000740), &(0x7f00000007c0)=0x4) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:11 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x0) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:11 executing program 4 (fault-call:10 fault-nth:28): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 528.152949] R13: 0000000000000051 R14: 00000000006f2838 R15: 000000000000001b 2018/03/30 21:41:11 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) setsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000740)='vcan0\x00', 0x10) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") syz_open_dev$adsp(&(0x7f0000000dc0)='/dev/adsp#\x00', 0x0, 0x601) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) clone(0x8000200, &(0x7f0000000c40)="afcd7af511bfb1ce1f9226f77eca8c9f7a3d256c014a88b6ba2570e260e66a0ab8afa088f9366393c3b13e058cafb7de69d7823ed0016f82a8eea3f99a7572aef3036e8d44360fd08079296144fab0b75606f1e704c9e8f51d85c7bb9fef3196fdd96f4293fa8f695be7c08cc0", &(0x7f00000007c0), &(0x7f0000000cc0), &(0x7f0000000d00)="3c110f7a3942457dd20bb6f6cd793a905df440eac25f729954d2dabbd1b8a69d123add7a9d9990b5f9b2f5d7f8195fb952083b5698eb92f07f583fe02eb6822d53c9d8b1254a25cf3f876da1b3074fa361f3bbfb4aa94c9e084956e54349114a05dd551de5d10cd3830d0a169096eaa7d2e430027e0a7a94f8b313634fd5f9ec6be0e60a32127edaa0cf0503975cae631bc8befc54ee2717e99f3c0a160bdd14d5") 2018/03/30 21:41:11 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:11 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) pwritev(r0, &(0x7f0000001180)=[{&(0x7f0000000700)="3dbcaa1103cbcb25db07692d2bc2220372d6a8e843c961fdf222fa06e76f75cebee24c425eca6cdd971f63c2f78d956d41a7a80e0cdb99e0dcde6551f1a67e57eaae69ebb69e60476c5fc4ef3eb9660622badc5a3e373fdf58a9de9851ff9de494a172daa21db7419c2644f16164099cec5b", 0x72}, {&(0x7f0000000c40)="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", 0xfc}, {&(0x7f0000000d40)="4e189e7422c266dc134d025bd59eecf210a8c18df3b0b61cc78becf62a48099a2be0ad9d088c123a7e3c2944c811ede993d45ed1682c0f27602728f204df6fa2ec937e47b19732338018ac7511b3191da2e27fcbc08bd45f577e348b47d3294ec3e1808e127f3eae12bb7ddc51d0304a21189cd8ddff0b7f350cfea488c050eda0bcd7a871e5334d90e8546b919e1703cf95aeeca8383278927e2e10467430f412a2fe5059f6d4031656a7725621d60269710d5c58eba24aeb641c7a935f187c8ae41255289eb503401bff", 0xcb}, {&(0x7f0000000e40)="ef6b99a3ba917545e1194b9c4bab3d64729d7a92b12380dd2e9371047c773c3eb60caa71de87cc3b1e5703479bc7a422b750e7c78a5c0c655176c4b4249b25d81ab05d0eace30b51bae2c99f0adb97c9174594011c845b6ed08e1b6db9316a4e15f67386e17f0de475ecd729bcf6904beaccc943d20c9db1c0d5edc0b227c6d79880e27c8eb135894ebd7724e17d", 0x8e}, {&(0x7f00000007c0)="fd0ecc19eee5adc04ac6bf8c5423cdda6052", 0x12}, {&(0x7f0000000f00)="7dc2417d2f8127127d101305b6df00e6695e2e45cd312b82af8eaaea94d010fe4b5411f05587f22b9fc50f32b64c737bd5d3bb6037ec564b91b32e178217f61f7924d2bdf289431288e6bc9ca6df7ff6b7bdb4a0733fd7fb91a4d9a214586f35f15b8387b9ee792611dac96875b8c13492d64f3fa0", 0x75}, {&(0x7f0000000f80)="3dbcb363dac71bec4ab88c6e27407e90e5b5c5b90b8902e7a7c6ede7ea044a19e54a9fbec496b7670f68ec5a5ea3024c38768de064cf33f5f647805996fafde9d16a375240576e799fc4a5c9a17465cd59f285aabb4e74d12f86f8c25c7e8f5cdbabdb3b0a8aca135cef3a6bf17b6f121970bd8394e764cefb1b02d4f8f02bd1c5263d5254fef01f75db7cd85e76668e4b784b4e15e3fb7e64221acbcd8f6aff643cc2d825f2a072d5443bc65a", 0xad}, {&(0x7f0000001040)="9252aba192895a36bda47d9206a82388080ad815d7c24cd3ee56fba09346349744d57f1cfa0140d1dbd8a0083651fca19cff9065378dcdf00098938f9bb3abf375e3f9362c99f202f82c0d9acd68ba077e627b7c6b6880788856e37f7e877118132c6bccf9d80abb2e8f4809e565fb4395e68c281cdae28b6b59b52345d38d4e367e01c4331ddc12424c22bd15f913a7436838ee1cd0cf69d6b088bcc63bb04699357da79cc4ded1012ac24482f834e56a4ad02ec361c7f9e6b0b75334e0b381d7f8a350fef25a71929db8fc9fbc68402336b595969e4445727bdf26548edbb9cadba0be066a9993f23cfa36eaa8ed92d4477de399", 0xf5}, {&(0x7f0000001140)="568160e430fe40ba6694bc5a", 0xc}], 0x9, 0x0) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:11 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d42", 0xed}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:11 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 528.326402] FAULT_INJECTION: forcing a failure. [ 528.326402] name failslab, interval 1, probability 0, space 0, times 0 [ 528.337714] CPU: 1 PID: 2928 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 528.344991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 528.354351] Call Trace: [ 528.356950] dump_stack+0x194/0x24d [ 528.360596] ? arch_local_irq_restore+0x53/0x53 [ 528.365280] ? __save_stack_trace+0x7e/0xd0 [ 528.369624] should_fail+0x8c0/0xa40 [ 528.373381] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 528.378513] ? kasan_kmalloc+0xad/0xe0 [ 528.382410] ? kmem_cache_alloc_trace+0x136/0x740 [ 528.387260] ? __memcg_init_list_lru_node+0x169/0x270 [ 528.392462] ? __list_lru_init+0x544/0x750 [ 528.396780] ? sget_userns+0x691/0xe40 [ 528.400681] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 528.405468] ? kern_mount_data+0x50/0xb0 [ 528.409540] ? pid_ns_prepare_proc+0x1e/0x80 [ 528.413955] ? alloc_pid+0x87e/0xa00 [ 528.417679] ? copy_process.part.38+0x2516/0x4bd0 [ 528.422535] ? _do_fork+0x1f7/0xf70 2018/03/30 21:41:11 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d42", 0xed}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:11 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 528.426202] ? SyS_clone+0x37/0x50 [ 528.429759] ? find_held_lock+0x35/0x1d0 [ 528.434007] ? __lock_is_held+0xb6/0x140 [ 528.438634] ? check_same_owner+0x320/0x320 [ 528.443086] ? rcu_note_context_switch+0x710/0x710 [ 528.448039] should_failslab+0xec/0x120 [ 528.452033] kmem_cache_alloc_trace+0x4b/0x740 [ 528.456634] ? __kmalloc_node+0x33/0x70 [ 528.460625] ? __kmalloc_node+0x33/0x70 [ 528.464613] ? rcu_read_lock_sched_held+0x108/0x120 [ 528.469656] __memcg_init_list_lru_node+0x169/0x270 [ 528.474685] ? list_lru_add+0x7c0/0x7c0 [ 528.478672] ? __kmalloc_node+0x47/0x70 [ 528.482660] __list_lru_init+0x544/0x750 [ 528.486736] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 528.492721] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 528.497747] ? __lockdep_init_map+0xe4/0x650 [ 528.502169] ? lockdep_init_map+0x9/0x10 [ 528.506246] sget_userns+0x691/0xe40 [ 528.509560] IPVS: ftp: loaded support on port[0] = 21 [ 528.509988] ? set_anon_super+0x20/0x20 [ 528.510001] ? put_filp+0x90/0x90 2018/03/30 21:41:11 executing program 3: r0 = add_key(&(0x7f0000000740)='.request_key_auth\x00', &(0x7f00000007c0)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffd) r1 = request_key(&(0x7f0000000cc0)='ceph\x00', &(0x7f0000000d00)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000d40)='port0\x00', 0x0) keyctl$negate(0xd, r0, 0x7, r1) r2 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r2, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r3 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r3, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r4 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r4, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r4, 0x84, 0x76, &(0x7f0000000300)={r5, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r4, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r3, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r4, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r3, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r3, 0x80045301, &(0x7f0000000340)) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS(r3, 0xc05c5340, &(0x7f0000000c40)={0x1, 0x4, 0x6, {}, 0x9, 0x8}) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r5}, 0x20) [ 528.510011] ? destroy_unused_super.part.6+0xd0/0xd0 [ 528.510025] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 528.510038] ? save_stack+0xa3/0xd0 [ 528.510047] ? save_stack+0x43/0xd0 [ 528.510056] ? kasan_slab_alloc+0x12/0x20 [ 528.510064] ? kmem_cache_alloc+0x12e/0x760 [ 528.510072] ? alloc_pid+0xc1/0xa00 [ 528.510084] ? __radix_tree_replace+0x1af/0x310 [ 528.510097] ? radix_tree_delete+0x30/0x30 [ 528.561443] ? node_tag_clear+0xf2/0x180 [ 528.565520] ? proc_get_inode+0x620/0x620 [ 528.569672] mount_ns+0x6d/0x190 [ 528.573048] proc_mount+0x7a/0x90 2018/03/30 21:41:11 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c2", 0xf5}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 528.576510] mount_fs+0x66/0x2d0 [ 528.579885] vfs_kern_mount.part.26+0xc6/0x4a0 [ 528.584475] ? may_umount+0xa0/0xa0 [ 528.588104] ? idr_alloc_cyclic+0x1d6/0x320 [ 528.592431] ? do_raw_spin_trylock+0x190/0x190 [ 528.597015] ? idr_alloc+0x180/0x180 [ 528.600736] kern_mount_data+0x50/0xb0 [ 528.604631] pid_ns_prepare_proc+0x1e/0x80 [ 528.608871] alloc_pid+0x87e/0xa00 [ 528.612419] ? __change_pid+0x400/0x400 [ 528.616407] ? ns_capable_common+0xcf/0x160 [ 528.620741] ? memset+0x31/0x40 2018/03/30 21:41:11 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x0) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 528.624030] ? copy_thread_tls+0x268/0x8f0 [ 528.628300] copy_process.part.38+0x2516/0x4bd0 [ 528.632984] ? __cleanup_sighand+0x40/0x40 [ 528.637236] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 528.642435] ? __lock_acquire+0x664/0x3e00 [ 528.647025] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 528.652221] ? __lock_is_held+0xb6/0x140 [ 528.656302] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 528.661503] ? print_irqtrace_events+0x270/0x270 [ 528.666273] ? print_irqtrace_events+0x270/0x270 [ 528.671059] ? lock_acquire+0x1d5/0x580 [ 528.675046] ? trace_hardirqs_off+0x10/0x10 [ 528.679380] ? trace_hardirqs_off+0x10/0x10 [ 528.683733] ? __lock_acquire+0x664/0x3e00 [ 528.687975] ? check_same_owner+0x320/0x320 [ 528.692310] ? find_held_lock+0x35/0x1d0 [ 528.696380] ? _parse_integer+0xe9/0x140 [ 528.700450] ? trace_hardirqs_off+0x10/0x10 [ 528.704783] ? _parse_integer+0x140/0x140 [ 528.708944] ? trace_hardirqs_off+0x10/0x10 [ 528.713275] ? get_pid_task+0x93/0x140 [ 528.717614] ? lock_downgrade+0x980/0x980 [ 528.721778] ? find_held_lock+0x35/0x1d0 [ 528.725853] ? __f_unlock_pos+0x19/0x20 [ 528.728895] IPVS: ftp: loaded support on port[0] = 21 [ 528.729831] ? lock_downgrade+0x980/0x980 [ 528.729842] ? get_pid_task+0xbc/0x140 [ 528.729853] ? proc_fail_nth_write+0x9b/0x1d0 [ 528.729863] ? map_files_get_link+0x3a0/0x3a0 [ 528.729874] ? handle_mm_fault+0x35b/0xb10 [ 528.729889] _do_fork+0x1f7/0xf70 [ 528.729902] ? fork_idle+0x2d0/0x2d0 [ 528.729914] ? wait_for_completion+0x770/0x770 [ 528.729926] ? __lock_is_held+0xb6/0x140 [ 528.729942] ? __sb_end_write+0xa0/0xd0 [ 528.776038] ? fput+0xd2/0x140 [ 528.779241] ? SyS_write+0x184/0x220 [ 528.782965] ? SyS_read+0x220/0x220 [ 528.786598] SyS_clone+0x37/0x50 [ 528.789966] ? sys_vfork+0x30/0x30 [ 528.793509] do_syscall_64+0x281/0x940 [ 528.797398] ? vmalloc_sync_all+0x30/0x30 [ 528.801553] ? _raw_spin_unlock_irq+0x27/0x70 [ 528.806056] ? finish_task_switch+0x1c1/0x7e0 [ 528.810559] ? syscall_return_slowpath+0x550/0x550 [ 528.815494] ? syscall_return_slowpath+0x2ac/0x550 [ 528.820432] ? prepare_exit_to_usermode+0x350/0x350 [ 528.825890] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 528.827746] IPVS: ftp: loaded support on port[0] = 21 [ 528.831255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 528.831273] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 528.831283] RIP: 0033:0x454e79 [ 528.831288] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 528.831300] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 528.831306] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 528.831311] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 528.831317] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 528.831322] R13: 0000000000000051 R14: 00000000006f2838 R15: 000000000000001c [ 528.961157] IPVS: ftp: loaded support on port[0] = 21 [ 528.994590] IPVS: ftp: loaded support on port[0] = 21 2018/03/30 21:41:12 executing program 4 (fault-call:10 fault-nth:29): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:12 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c2", 0xf5}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:12 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x0) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:12 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) flock(r0, 0xa) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) getitimer(0x0, &(0x7f0000000740)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:12 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:12 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:12 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000007c0)='/dev/snd/seq\x00', 0x0, 0x80001) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r4 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r4, 0x40a85321, &(0x7f0000000b80)={{0x5, 0x4}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x3, 0x3dec00}) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 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={&(0x7f000031f000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r5 = openat$vnet(0xffffffffffffff9c, &(0x7f00003de000)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r5, 0x40000000af01, &(0x7f0000c97ff8)) r6 = openat$audio(0xffffffffffffff9c, &(0x7f0000000380)='/dev/audio\x00', 0xa0000, 0x0) close(r6) syz_open_dev$tun(&(0x7f00000002c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$VHOST_SET_MEM_TABLE(r6, 0x4008af03, &(0x7f00000005c0)=ANY=[]) ioctl$VHOST_SET_MEM_TABLE(r5, 0x4008af03, &(0x7f0000000640)=ANY=[@ANYBLOB="040000000000000000f00100", @ANYBLOB="000000000000000005f00000000000005300000000000000", @ANYBLOB="664c870e5ebbc88f"]) sync() ioctl$VHOST_SET_VRING_ADDR(r5, 0x4028af11, &(0x7f0000000280)={0x1, 0x0, &(0x7f0000000040)=""/254, &(0x7f0000000140)=""/119, &(0x7f00000001c0)=""/150}) ioctl$VHOST_NET_SET_BACKEND(r5, 0x4008af30, &(0x7f0000f1dff8)={0x1, r6}) close(r5) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) 2018/03/30 21:41:12 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) setsockopt$inet_sctp_SCTP_RTOINFO(r2, 0x84, 0x0, &(0x7f0000000700)={r3, 0x40, 0x8, 0x2}, 0x10) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 529.307606] FAULT_INJECTION: forcing a failure. [ 529.307606] name failslab, interval 1, probability 0, space 0, times 0 [ 529.318969] CPU: 1 PID: 3006 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 529.326247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 529.335691] Call Trace: [ 529.338290] dump_stack+0x194/0x24d [ 529.341929] ? arch_local_irq_restore+0x53/0x53 [ 529.346610] ? mutex_lock_io_nested+0x1900/0x1900 [ 529.351478] ? __memcg_init_list_lru_node+0x169/0x270 2018/03/30 21:41:12 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c2", 0xf5}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 529.356683] should_fail+0x8c0/0xa40 [ 529.360407] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 529.365519] ? trace_hardirqs_off+0x10/0x10 [ 529.369843] ? lock_downgrade+0x980/0x980 [ 529.373995] ? trace_hardirqs_off+0x10/0x10 [ 529.378328] ? find_held_lock+0x35/0x1d0 [ 529.382393] ? __lock_is_held+0xb6/0x140 [ 529.386443] ? check_same_owner+0x320/0x320 [ 529.390743] ? rcu_note_context_switch+0x710/0x710 [ 529.395653] ? rcu_note_context_switch+0x710/0x710 [ 529.400569] should_failslab+0xec/0x120 [ 529.404521] __kmalloc+0x63/0x760 [ 529.407953] ? __kmalloc_node+0x47/0x70 [ 529.411907] ? __list_lru_init+0xcf/0x750 [ 529.416037] __list_lru_init+0xcf/0x750 [ 529.419990] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 529.425856] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 529.430856] ? lockdep_init_map+0x9/0x10 [ 529.434898] sget_userns+0x6b1/0xe40 [ 529.438603] ? set_anon_super+0x20/0x20 [ 529.442559] ? put_filp+0x90/0x90 [ 529.445992] ? destroy_unused_super.part.6+0xd0/0xd0 [ 529.451079] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 529.456074] ? save_stack+0xa3/0xd0 [ 529.459678] ? save_stack+0x43/0xd0 [ 529.463285] ? kasan_slab_alloc+0x12/0x20 [ 529.467411] ? kmem_cache_alloc+0x12e/0x760 [ 529.471711] ? alloc_pid+0xc1/0xa00 [ 529.475319] ? __radix_tree_replace+0x1af/0x310 [ 529.479969] ? radix_tree_delete+0x30/0x30 [ 529.484180] ? node_tag_clear+0xf2/0x180 [ 529.488225] ? proc_get_inode+0x620/0x620 [ 529.492352] mount_ns+0x6d/0x190 [ 529.495700] proc_mount+0x7a/0x90 [ 529.499140] mount_fs+0x66/0x2d0 [ 529.502495] vfs_kern_mount.part.26+0xc6/0x4a0 [ 529.507056] ? may_umount+0xa0/0xa0 [ 529.510661] ? idr_alloc_cyclic+0x1d6/0x320 [ 529.514969] ? do_raw_spin_trylock+0x190/0x190 [ 529.519531] ? idr_alloc+0x180/0x180 [ 529.523227] kern_mount_data+0x50/0xb0 [ 529.527092] pid_ns_prepare_proc+0x1e/0x80 [ 529.531314] alloc_pid+0x87e/0xa00 [ 529.534836] ? __change_pid+0x400/0x400 [ 529.538799] ? ns_capable_common+0xcf/0x160 [ 529.543107] ? memset+0x31/0x40 [ 529.546363] ? copy_thread_tls+0x268/0x8f0 [ 529.550578] copy_process.part.38+0x2516/0x4bd0 [ 529.555231] ? __cleanup_sighand+0x40/0x40 [ 529.559448] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 529.564613] ? __lock_acquire+0x664/0x3e00 [ 529.568824] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 529.573991] ? environ_open+0x80/0x80 [ 529.577776] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 529.582943] ? __lock_acquire+0x664/0x3e00 [ 529.587160] ? mntput_no_expire+0x130/0xa90 [ 529.591462] ? print_irqtrace_events+0x270/0x270 [ 529.596192] ? trace_hardirqs_off+0x10/0x10 [ 529.600494] ? lock_acquire+0x1d5/0x580 [ 529.604445] ? trace_hardirqs_off+0x10/0x10 [ 529.608743] ? trace_hardirqs_off+0x10/0x10 [ 529.613043] ? __lock_acquire+0x664/0x3e00 [ 529.617261] ? check_same_owner+0x320/0x320 [ 529.621561] ? find_held_lock+0x35/0x1d0 [ 529.625605] ? _parse_integer+0xe9/0x140 [ 529.629645] ? trace_hardirqs_off+0x10/0x10 [ 529.633943] ? _parse_integer+0x140/0x140 [ 529.638072] ? trace_hardirqs_off+0x10/0x10 [ 529.642371] ? get_pid_task+0x93/0x140 [ 529.646234] ? lock_downgrade+0x980/0x980 [ 529.650360] ? find_held_lock+0x35/0x1d0 [ 529.654399] ? __f_unlock_pos+0x19/0x20 [ 529.658356] ? lock_downgrade+0x980/0x980 [ 529.662485] ? get_pid_task+0xbc/0x140 [ 529.666373] ? proc_fail_nth_write+0x9b/0x1d0 [ 529.670855] ? map_files_get_link+0x3a0/0x3a0 [ 529.675331] ? handle_mm_fault+0x35b/0xb10 [ 529.679556] _do_fork+0x1f7/0xf70 [ 529.682987] ? fork_idle+0x2d0/0x2d0 [ 529.686678] ? wait_for_completion+0x770/0x770 [ 529.691238] ? __lock_is_held+0xb6/0x140 [ 529.695282] ? __sb_end_write+0xa0/0xd0 [ 529.699233] ? fput+0xd2/0x140 [ 529.703131] ? SyS_write+0x184/0x220 [ 529.706829] ? SyS_read+0x220/0x220 [ 529.710435] SyS_clone+0x37/0x50 [ 529.713780] ? sys_vfork+0x30/0x30 [ 529.717297] do_syscall_64+0x281/0x940 [ 529.721160] ? vmalloc_sync_all+0x30/0x30 [ 529.725282] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 529.730794] ? syscall_return_slowpath+0x550/0x550 [ 529.735700] ? syscall_return_slowpath+0x2ac/0x550 [ 529.740607] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 529.745946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 529.750769] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 529.755932] RIP: 0033:0x454e79 2018/03/30 21:41:12 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000740)={r3, 0x5}, 0x8) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 529.759099] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 529.766789] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 529.774035] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 529.781291] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 529.788540] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 529.795787] R13: 0000000000000051 R14: 00000000006f2838 R15: 000000000000001d 2018/03/30 21:41:12 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e", 0xf9}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:12 executing program 4 (fault-call:10 fault-nth:30): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:12 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 529.980812] FAULT_INJECTION: forcing a failure. [ 529.980812] name failslab, interval 1, probability 0, space 0, times 0 [ 529.992244] CPU: 0 PID: 3031 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 529.999525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 530.008903] Call Trace: [ 530.011504] dump_stack+0x194/0x24d [ 530.015140] ? arch_local_irq_restore+0x53/0x53 [ 530.019819] ? kernel_text_address+0xd1/0xe0 [ 530.024233] ? __unwind_start+0x169/0x330 [ 530.028399] should_fail+0x8c0/0xa40 [ 530.032131] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 530.037253] ? save_stack+0x43/0xd0 [ 530.040887] ? kasan_kmalloc+0xad/0xe0 [ 530.044777] ? __kmalloc+0x162/0x760 [ 530.048495] ? __list_lru_init+0xcf/0x750 [ 530.052655] ? find_held_lock+0x35/0x1d0 [ 530.056732] ? __lock_is_held+0xb6/0x140 [ 530.060811] ? check_same_owner+0x320/0x320 [ 530.065153] ? rcu_note_context_switch+0x710/0x710 [ 530.070097] should_failslab+0xec/0x120 [ 530.074097] kmem_cache_alloc_node_trace+0x5a/0x760 [ 530.079108] ? mark_held_locks+0xaf/0x100 [ 530.083246] ? __raw_spin_lock_init+0x1c/0x100 [ 530.087821] __kmalloc_node+0x33/0x70 [ 530.091606] kvmalloc_node+0x99/0xd0 [ 530.095304] __list_lru_init+0x5d5/0x750 [ 530.099348] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 530.105217] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 530.110218] ? lockdep_init_map+0x9/0x10 [ 530.114264] sget_userns+0x6b1/0xe40 [ 530.117957] ? set_anon_super+0x20/0x20 [ 530.121914] ? put_filp+0x90/0x90 [ 530.125349] ? destroy_unused_super.part.6+0xd0/0xd0 [ 530.130436] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 530.135441] ? save_stack+0xa3/0xd0 [ 530.139048] ? save_stack+0x43/0xd0 [ 530.142654] ? kasan_slab_alloc+0x12/0x20 [ 530.146784] ? kmem_cache_alloc+0x12e/0x760 [ 530.151090] ? alloc_pid+0xc1/0xa00 [ 530.154705] ? __radix_tree_replace+0x1af/0x310 [ 530.159379] ? radix_tree_delete+0x30/0x30 [ 530.163597] ? node_tag_clear+0xf2/0x180 [ 530.167656] ? proc_get_inode+0x620/0x620 [ 530.171787] mount_ns+0x6d/0x190 [ 530.175139] proc_mount+0x7a/0x90 [ 530.178574] mount_fs+0x66/0x2d0 [ 530.181923] vfs_kern_mount.part.26+0xc6/0x4a0 [ 530.186495] ? may_umount+0xa0/0xa0 [ 530.190102] ? idr_alloc_cyclic+0x1d6/0x320 [ 530.194582] ? do_raw_spin_trylock+0x190/0x190 [ 530.199145] ? idr_alloc+0x180/0x180 [ 530.202851] kern_mount_data+0x50/0xb0 [ 530.206724] pid_ns_prepare_proc+0x1e/0x80 [ 530.210938] alloc_pid+0x87e/0xa00 [ 530.214467] ? __change_pid+0x400/0x400 [ 530.218417] ? ns_capable_common+0xcf/0x160 [ 530.222726] ? memset+0x31/0x40 [ 530.226008] ? copy_thread_tls+0x268/0x8f0 [ 530.230229] copy_process.part.38+0x2516/0x4bd0 [ 530.234888] ? __cleanup_sighand+0x40/0x40 [ 530.239116] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 530.244289] ? __lock_acquire+0x664/0x3e00 [ 530.248504] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 530.253674] ? __lock_is_held+0xb6/0x140 [ 530.257723] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 530.262894] ? print_irqtrace_events+0x270/0x270 [ 530.267643] ? print_irqtrace_events+0x270/0x270 [ 530.272387] ? lock_acquire+0x1d5/0x580 [ 530.276349] ? trace_hardirqs_off+0x10/0x10 [ 530.280653] ? trace_hardirqs_off+0x10/0x10 [ 530.284965] ? __lock_acquire+0x664/0x3e00 [ 530.289182] ? check_same_owner+0x320/0x320 [ 530.293508] ? find_held_lock+0x35/0x1d0 [ 530.297563] ? _parse_integer+0xe9/0x140 [ 530.301610] ? trace_hardirqs_off+0x10/0x10 [ 530.305915] ? _parse_integer+0x140/0x140 [ 530.310056] ? trace_hardirqs_off+0x10/0x10 [ 530.314359] ? get_pid_task+0x93/0x140 [ 530.318226] ? lock_downgrade+0x980/0x980 [ 530.322358] ? find_held_lock+0x35/0x1d0 [ 530.326415] ? __f_unlock_pos+0x19/0x20 [ 530.330372] ? lock_downgrade+0x980/0x980 [ 530.334502] ? get_pid_task+0xbc/0x140 [ 530.338373] ? proc_fail_nth_write+0x9b/0x1d0 [ 530.342850] ? map_files_get_link+0x3a0/0x3a0 [ 530.347328] ? handle_mm_fault+0x35b/0xb10 [ 530.351548] _do_fork+0x1f7/0xf70 [ 530.354991] ? fork_idle+0x2d0/0x2d0 [ 530.358687] ? wait_for_completion+0x770/0x770 [ 530.363251] ? __lock_is_held+0xb6/0x140 [ 530.367304] ? __sb_end_write+0xa0/0xd0 [ 530.371263] ? fput+0xd2/0x140 [ 530.374436] ? SyS_write+0x184/0x220 [ 530.378133] ? SyS_read+0x220/0x220 [ 530.381744] SyS_clone+0x37/0x50 [ 530.385177] ? sys_vfork+0x30/0x30 [ 530.388704] do_syscall_64+0x281/0x940 [ 530.392573] ? vmalloc_sync_all+0x30/0x30 [ 530.396704] ? _raw_spin_unlock_irq+0x27/0x70 [ 530.401180] ? finish_task_switch+0x1c1/0x7e0 [ 530.405656] ? syscall_return_slowpath+0x550/0x550 [ 530.410567] ? syscall_return_slowpath+0x2ac/0x550 [ 530.415486] ? prepare_exit_to_usermode+0x350/0x350 [ 530.420488] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 530.425839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 530.430668] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 530.435848] RIP: 0033:0x454e79 [ 530.439021] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 530.446712] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 530.453962] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 530.461214] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 530.468467] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 2018/03/30 21:41:12 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000740)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:13 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e", 0xf9}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 530.475721] R13: 0000000000000051 R14: 00000000006f2838 R15: 000000000000001e 2018/03/30 21:41:13 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r4 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) ioctl$TIOCSLCKTRMIOS(r4, 0x5457, &(0x7f0000000740)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:13 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:13 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e", 0xf9}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:13 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x0, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:13 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r1, 0x402c5342, &(0x7f0000000c80)={0xe7, 0xfffffffffffffffb, 0x9, {0x0, 0x989680}, 0x3, 0xc0cd}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f0000000700)={0x0, 0x8}, &(0x7f0000000740)=0x8) getsockopt$inet_sctp6_SCTP_RTOINFO(r2, 0x84, 0x0, &(0x7f00000007c0)={r3, 0x9b, 0x2a3, 0xc20000000}, &(0x7f0000000c40)=0x10) r4 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r4, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r4, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r4, 0x84, 0x76, &(0x7f0000000300)={r5, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r4, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r4, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r5}, 0x20) 2018/03/30 21:41:13 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) pwritev(r0, &(0x7f0000000c40), 0x0, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f0000000dc0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = accept(r2, &(0x7f0000000080)=@can, &(0x7f0000000d80)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r3, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x1000000000004e23}, 0x0, 0x7, 0x1, 0x8, 0x9, 0x0, 0x4, 0xfffff, 0xfffffffffffffff7}) r4 = dup3(r3, r1, 0x80000) ioctl$TIOCGPTPEER(r4, 0x5441, 0x5) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000300)={r5, 0x1c9}, 0x8) getsockopt$IP_VS_SO_GET_INFO(r3, 0x0, 0x481, &(0x7f00000007c0), &(0x7f00000009c0)=0xc) r6 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") getsockopt$inet_sctp6_SCTP_NODELAY(r6, 0x84, 0x3, &(0x7f0000000d00), &(0x7f0000000d40)=0x4) ioctl$sock_inet_SIOCSIFNETMASK(r3, 0x891c, &(0x7f0000000740)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r3, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r7 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) sync_file_range(r7, 0x1, 0xfffffffffffffe00, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r7, 0x84, 0x7b, &(0x7f0000000c80)={r5, 0xfffffffffffffff9}, &(0x7f0000000cc0)=0x8) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) syz_open_dev$evdev(&(0x7f0000000c40)='/dev/input/event#\x00', 0xf91, 0x800) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r7, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r5}, 0x20) 2018/03/30 21:41:13 executing program 4 (fault-call:10 fault-nth:31): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:13 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:13 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") unlink(&(0x7f0000000740)='./file0\x00') ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:13 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 530.803625] FAULT_INJECTION: forcing a failure. [ 530.803625] name failslab, interval 1, probability 0, space 0, times 0 [ 530.814995] CPU: 0 PID: 3085 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 530.822292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 530.831651] Call Trace: [ 530.834246] dump_stack+0x194/0x24d [ 530.837882] ? arch_local_irq_restore+0x53/0x53 [ 530.842565] should_fail+0x8c0/0xa40 [ 530.846288] ? is_bpf_text_address+0xa4/0x120 [ 530.850791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 530.855898] ? __kernel_text_address+0xd/0x40 [ 530.860413] ? unwind_get_return_address+0x61/0xa0 [ 530.865560] ? find_held_lock+0x35/0x1d0 [ 530.869730] ? __lock_is_held+0xb6/0x140 [ 530.873803] ? check_same_owner+0x320/0x320 [ 530.878140] ? rcu_note_context_switch+0x710/0x710 [ 530.883078] should_failslab+0xec/0x120 [ 530.887056] kmem_cache_alloc_trace+0x4b/0x740 [ 530.891733] ? __kmalloc_node+0x33/0x70 [ 530.895706] ? __kmalloc_node+0x33/0x70 [ 530.899680] ? rcu_read_lock_sched_held+0x108/0x120 [ 530.904702] __memcg_init_list_lru_node+0x169/0x270 [ 530.909724] ? list_lru_add+0x7c0/0x7c0 [ 530.913708] ? __kmalloc_node+0x47/0x70 [ 530.917688] __list_lru_init+0x544/0x750 [ 530.921742] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 530.927622] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 530.932631] ? lockdep_init_map+0x9/0x10 [ 530.936693] sget_userns+0x6b1/0xe40 [ 530.940397] ? set_anon_super+0x20/0x20 [ 530.944363] ? put_filp+0x90/0x90 [ 530.947803] ? destroy_unused_super.part.6+0xd0/0xd0 [ 530.952895] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 530.957904] ? save_stack+0xa3/0xd0 [ 530.961520] ? save_stack+0x43/0xd0 [ 530.965143] ? kasan_slab_alloc+0x12/0x20 [ 530.969279] ? kmem_cache_alloc+0x12e/0x760 [ 530.973592] ? alloc_pid+0xc1/0xa00 [ 530.977217] ? __radix_tree_replace+0x1af/0x310 [ 530.981878] ? radix_tree_delete+0x30/0x30 [ 530.986101] ? node_tag_clear+0xf2/0x180 [ 530.990161] ? proc_get_inode+0x620/0x620 [ 530.994296] mount_ns+0x6d/0x190 [ 530.997657] proc_mount+0x7a/0x90 [ 531.001099] mount_fs+0x66/0x2d0 [ 531.004459] vfs_kern_mount.part.26+0xc6/0x4a0 [ 531.009029] ? may_umount+0xa0/0xa0 [ 531.013776] ? idr_alloc_cyclic+0x1d6/0x320 [ 531.018090] ? do_raw_spin_trylock+0x190/0x190 [ 531.022660] ? idr_alloc+0x180/0x180 [ 531.026368] kern_mount_data+0x50/0xb0 [ 531.030244] pid_ns_prepare_proc+0x1e/0x80 [ 531.034471] alloc_pid+0x87e/0xa00 [ 531.038004] ? __change_pid+0x400/0x400 [ 531.041972] ? ns_capable_common+0xcf/0x160 [ 531.046291] ? memset+0x31/0x40 [ 531.049560] ? copy_thread_tls+0x268/0x8f0 [ 531.053790] copy_process.part.38+0x2516/0x4bd0 [ 531.058462] ? __cleanup_sighand+0x40/0x40 [ 531.062783] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 531.067970] ? __lock_acquire+0x664/0x3e00 [ 531.072195] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 531.077384] ? __lock_is_held+0xb6/0x140 [ 531.081448] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 531.086647] ? print_irqtrace_events+0x270/0x270 [ 531.091397] ? print_irqtrace_events+0x270/0x270 [ 531.096159] ? lock_acquire+0x1d5/0x580 [ 531.100120] ? trace_hardirqs_off+0x10/0x10 [ 531.104429] ? trace_hardirqs_off+0x10/0x10 [ 531.108747] ? __lock_acquire+0x664/0x3e00 [ 531.112970] ? check_same_owner+0x320/0x320 [ 531.117283] ? find_held_lock+0x35/0x1d0 [ 531.121338] ? _parse_integer+0xe9/0x140 [ 531.125390] ? trace_hardirqs_off+0x10/0x10 [ 531.129705] ? _parse_integer+0x140/0x140 [ 531.133846] ? trace_hardirqs_off+0x10/0x10 [ 531.138173] ? get_pid_task+0x93/0x140 [ 531.142047] ? lock_downgrade+0x980/0x980 [ 531.146187] ? find_held_lock+0x35/0x1d0 [ 531.150239] ? __f_unlock_pos+0x19/0x20 [ 531.154199] ? lock_downgrade+0x980/0x980 [ 531.158335] ? get_pid_task+0xbc/0x140 [ 531.162210] ? proc_fail_nth_write+0x9b/0x1d0 [ 531.166693] ? map_files_get_link+0x3a0/0x3a0 [ 531.171181] ? handle_mm_fault+0x35b/0xb10 [ 531.175410] _do_fork+0x1f7/0xf70 [ 531.178859] ? fork_idle+0x2d0/0x2d0 [ 531.182566] ? wait_for_completion+0x770/0x770 [ 531.187166] ? __lock_is_held+0xb6/0x140 [ 531.191232] ? __sb_end_write+0xa0/0xd0 [ 531.195214] ? fput+0xd2/0x140 [ 531.198399] ? SyS_write+0x184/0x220 [ 531.202104] ? SyS_read+0x220/0x220 [ 531.205723] SyS_clone+0x37/0x50 [ 531.209079] ? sys_vfork+0x30/0x30 [ 531.212612] do_syscall_64+0x281/0x940 [ 531.216491] ? vmalloc_sync_all+0x30/0x30 [ 531.220630] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 531.226159] ? syscall_return_slowpath+0x550/0x550 [ 531.231164] ? syscall_return_slowpath+0x2ac/0x550 [ 531.236273] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 531.241648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 531.246638] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 531.251830] RIP: 0033:0x454e79 2018/03/30 21:41:14 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x0, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:14 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfb}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:14 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 531.255014] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 531.262721] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 531.269980] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 531.277238] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 531.284671] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 531.291931] R13: 0000000000000051 R14: 00000000006f2838 R15: 000000000000001f 2018/03/30 21:41:14 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x0, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:14 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfb}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:14 executing program 4 (fault-call:10 fault-nth:32): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:14 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500), &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:14 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r4 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) ioctl$EVIOCGNAME(r4, 0x80404506, &(0x7f0000000c40)=""/206) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 531.554543] FAULT_INJECTION: forcing a failure. [ 531.554543] name failslab, interval 1, probability 0, space 0, times 0 [ 531.566211] CPU: 1 PID: 3132 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 531.573526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 531.582896] Call Trace: [ 531.585494] dump_stack+0x194/0x24d [ 531.589130] ? arch_local_irq_restore+0x53/0x53 [ 531.593802] ? __save_stack_trace+0x7e/0xd0 [ 531.598227] should_fail+0x8c0/0xa40 [ 531.601940] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 531.607047] ? kasan_kmalloc+0xad/0xe0 [ 531.610933] ? kmem_cache_alloc_trace+0x136/0x740 [ 531.615946] ? __memcg_init_list_lru_node+0x169/0x270 [ 531.621137] ? __list_lru_init+0x544/0x750 [ 531.625374] ? sget_userns+0x6b1/0xe40 [ 531.629272] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 531.634034] ? kern_mount_data+0x50/0xb0 [ 531.638107] ? pid_ns_prepare_proc+0x1e/0x80 [ 531.642516] ? alloc_pid+0x87e/0xa00 [ 531.646233] ? copy_process.part.38+0x2516/0x4bd0 [ 531.651085] ? _do_fork+0x1f7/0xf70 [ 531.654716] ? SyS_clone+0x37/0x50 [ 531.658264] ? find_held_lock+0x35/0x1d0 [ 531.662336] ? __lock_is_held+0xb6/0x140 [ 531.666421] ? check_same_owner+0x320/0x320 [ 531.670756] ? rcu_note_context_switch+0x710/0x710 [ 531.675695] should_failslab+0xec/0x120 [ 531.679679] kmem_cache_alloc_trace+0x4b/0x740 [ 531.684285] ? __kmalloc_node+0x33/0x70 [ 531.688271] __memcg_init_list_lru_node+0x169/0x270 [ 531.693299] ? list_lru_add+0x7c0/0x7c0 [ 531.697284] ? __kmalloc_node+0x47/0x70 [ 531.701271] __list_lru_init+0x544/0x750 [ 531.706213] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 531.712112] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 531.717146] ? lockdep_init_map+0x9/0x10 [ 531.721219] sget_userns+0x6b1/0xe40 [ 531.724935] ? set_anon_super+0x20/0x20 [ 531.728913] ? put_filp+0x90/0x90 [ 531.732365] ? destroy_unused_super.part.6+0xd0/0xd0 [ 531.737476] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 531.742497] ? save_stack+0xa3/0xd0 [ 531.746123] ? save_stack+0x43/0xd0 [ 531.749732] ? kasan_slab_alloc+0x12/0x20 [ 531.753858] ? kmem_cache_alloc+0x12e/0x760 [ 531.758156] ? alloc_pid+0xc1/0xa00 [ 531.761763] ? __radix_tree_replace+0x1af/0x310 [ 531.766426] ? radix_tree_delete+0x30/0x30 [ 531.770639] ? node_tag_clear+0xf2/0x180 [ 531.774686] ? proc_get_inode+0x620/0x620 [ 531.778824] mount_ns+0x6d/0x190 [ 531.782169] proc_mount+0x7a/0x90 [ 531.785620] mount_fs+0x66/0x2d0 [ 531.788967] vfs_kern_mount.part.26+0xc6/0x4a0 [ 531.793530] ? may_umount+0xa0/0xa0 [ 531.797139] ? idr_alloc_cyclic+0x1d6/0x320 [ 531.801453] ? do_raw_spin_trylock+0x190/0x190 [ 531.806016] ? idr_alloc+0x180/0x180 [ 531.809712] kern_mount_data+0x50/0xb0 [ 531.813579] pid_ns_prepare_proc+0x1e/0x80 [ 531.817793] alloc_pid+0x87e/0xa00 [ 531.821325] ? __change_pid+0x400/0x400 [ 531.825274] ? ns_capable_common+0xcf/0x160 [ 531.829575] ? memset+0x31/0x40 [ 531.832831] ? copy_thread_tls+0x268/0x8f0 [ 531.837052] copy_process.part.38+0x2516/0x4bd0 [ 531.841708] ? __cleanup_sighand+0x40/0x40 [ 531.845928] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 531.851099] ? __lock_acquire+0x664/0x3e00 [ 531.855322] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 531.860491] ? __lock_is_held+0xb6/0x140 [ 531.864543] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 531.869730] ? print_irqtrace_events+0x270/0x270 [ 531.874485] ? print_irqtrace_events+0x270/0x270 [ 531.879229] ? lock_acquire+0x1d5/0x580 [ 531.883181] ? trace_hardirqs_off+0x10/0x10 [ 531.887480] ? trace_hardirqs_off+0x10/0x10 [ 531.891783] ? __lock_acquire+0x664/0x3e00 [ 531.896019] ? check_same_owner+0x320/0x320 [ 531.900326] ? find_held_lock+0x35/0x1d0 [ 531.904371] ? _parse_integer+0xe9/0x140 [ 531.908419] ? trace_hardirqs_off+0x10/0x10 [ 531.912723] ? _parse_integer+0x140/0x140 [ 531.916859] ? trace_hardirqs_off+0x10/0x10 [ 531.921177] ? get_pid_task+0x93/0x140 [ 531.925046] ? lock_downgrade+0x980/0x980 [ 531.929286] ? find_held_lock+0x35/0x1d0 [ 531.933331] ? __f_unlock_pos+0x19/0x20 [ 531.937284] ? lock_downgrade+0x980/0x980 [ 531.941406] ? get_pid_task+0xbc/0x140 [ 531.945270] ? proc_fail_nth_write+0x9b/0x1d0 [ 531.949750] ? map_files_get_link+0x3a0/0x3a0 [ 531.954224] ? handle_mm_fault+0x35b/0xb10 [ 531.958443] _do_fork+0x1f7/0xf70 [ 531.961877] ? fork_idle+0x2d0/0x2d0 [ 531.965577] ? wait_for_completion+0x770/0x770 [ 531.970142] ? __lock_is_held+0xb6/0x140 [ 531.974188] ? __sb_end_write+0xa0/0xd0 [ 531.978143] ? fput+0xd2/0x140 [ 531.981314] ? SyS_write+0x184/0x220 [ 531.985102] ? SyS_read+0x220/0x220 [ 531.988713] SyS_clone+0x37/0x50 [ 531.992062] ? sys_vfork+0x30/0x30 [ 531.995590] do_syscall_64+0x281/0x940 [ 531.999459] ? vmalloc_sync_all+0x30/0x30 [ 532.003586] ? _raw_spin_unlock_irq+0x27/0x70 [ 532.008094] ? finish_task_switch+0x1c1/0x7e0 [ 532.012571] ? syscall_return_slowpath+0x550/0x550 [ 532.017481] ? syscall_return_slowpath+0x2ac/0x550 [ 532.022392] ? prepare_exit_to_usermode+0x350/0x350 [ 532.027385] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 532.032727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 532.037552] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 532.042719] RIP: 0033:0x454e79 [ 532.045885] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 2018/03/30 21:41:14 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:14 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) ioctl$sock_SIOCDELDLCI(r4, 0x8981, &(0x7f0000000740)={'ip6gre0\x00', 0xff}) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 532.053571] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 532.060818] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 532.068067] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 532.075314] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 532.082559] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000020 2018/03/30 21:41:15 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) syz_emit_ethernet(0x236, &(0x7f0000000c40)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaabb86dd606a6e460200840000000000000000000000000000000000ff0200000000000000000000000000014e204e20", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB="50000000907800005feba3ce7d76c137f5233e6a6dd475dae6faa914032c2c59433cd6e31fc95beb871973bf5677a63ca592cef83afb03a484de1cad76c301c96619cc0bc117e187bc94ec95946c721f513e99e699a301f5ff71bd5ce8dea383163da8485c8a8a6ee96e167c5835e0eab9a8737b352f08589076903485818ae50e588d4d2d0f28a9281555c95e2b6e9cf9dc97d032c7992b2cabf9385eeefa01cd3bb525b87b1321d588aeb73bdbf1cb624614d12c2b11350b9071184b7da629342444b2322d632d7deeebfc9115ef4a98686882eeee9fc8dc4d1879c566dee073ad3688175d5c6224eaa416b224347ea291dcebfb5239ed50e2429a17f8f8798f6061796194f11ab350a7864a80bdcbbcdc0040228e903eeeed32ca600d7935e9558b5db92cfdd0ad57785df29429cd7684e3a4b172be4e9aced9ae5f995a9aaf7d61fa4f8c6b0a9c1a9597cb91327e477ba1ce893064ccc17c27a594b070c82aacbd9c58e7715090253173e99557e1ad6ff25faabb4d90f7c0b4784760bc90d7cf7d7ab31214035cff1fcf11a51a586e2b179578c8ea95e9706526d953d64f4147929144d8974e80199309d831b1b459810360dc5bd383717349eafbeb0f0aeaac34d19fac175a10b1b2ce15a96b8c2c2a2def3b09a7ed226867b2321a2e58e2cbb0c7b6cd8d597f0104b05647731296da379c76c5cb1f0f893a4c63aea1ad9d9f3e382bcd672198611494aac281fa8a135a42bfb47899c495fa65d13a3cb9fc38bd4f8bc48b3413f2ff5ed91332b6e1c3d85f0ebaebc6cc279ee8d8de860858a68d7cd01742409795d6978d0517d37e4dd367f7425b2601fd05608fd838ce"], &(0x7f0000000100)) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) ioctl$sock_inet_tcp_SIOCINQ(r2, 0x541b, &(0x7f0000000700)) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r4 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(r6, 0x40085203, &(0x7f0000000100)=ANY=[]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) clock_gettime(0x0, &(0x7f0000000640)={0x0, 0x0}) ioctl$SNDRV_CTL_IOCTL_ELEM_READ(r4, 0xc4c85512, &(0x7f0000000f00)={{0x2, 0x7, 0x2a5, 0x3, "dbe8c85d8edea31ba4be1c2a5e772921c6042d7bf728a87dd687c7aeaaf9b70a33fe4dfcf5a349effebde514", 0x1}, 0x9, [0x81, 0x101, 0x935, 0x80, 0x0, 0x8, 0x400, 0x5, 0x20, 0x1, 0xffffffffffffff3f, 0xec, 0x3, 0xbc4f, 0x5, 0x8001, 0x6, 0x8000, 0x6, 0x81, 0xff, 0x6, 0x4, 0xbfc, 0x100, 0x6, 0x20fa08f6, 0x2, 0x9, 0x81, 0xdd, 0x8, 0xffffffffffff4844, 0x1, 0xffffffffffffffff, 0x1000, 0xec8b, 0x0, 0x800, 0x2, 0xffffffff, 0xb2b, 0x1800, 0xf94, 0x1, 0x6, 0x1, 0x401, 0x5, 0x80000000, 0x6, 0xee, 0xd5, 0x200, 0x1, 0x6, 0x1b0, 0x81, 0x4, 0x2, 0x36b, 0x4, 0x0, 0xf2e5, 0x1, 0x3, 0xff, 0xfffffffffffffff8, 0x4, 0x1000, 0x7, 0xef0, 0xd6fc, 0x6, 0x39da, 0x0, 0x4, 0x10001, 0x7, 0x400, 0x8, 0x5, 0xa1fc, 0xfffffffffffffeff, 0x5, 0xd8, 0x10001, 0x101, 0x6, 0x7, 0x2, 0x100000000, 0x600000000, 0x0, 0x2, 0x1, 0xc76, 0x20, 0xffff, 0x100, 0x8, 0x0, 0x92, 0xd7f, 0xfffffffffffffbff, 0x3, 0x6, 0x0, 0x10000, 0x37, 0x7fff, 0x6f, 0x5, 0xd60, 0x4, 0xb900000000000000, 0x40, 0x4, 0x6, 0x4, 0x9, 0x10000, 0x30, 0x800, 0xc0, 0x6, 0x5, 0xfffffffffffffff8], {r7, r8+30000000}}) socket$nl_xfrm(0x10, 0x3, 0x6) [ 532.630860] IPVS: ftp: loaded support on port[0] = 21 [ 532.661761] IPVS: ftp: loaded support on port[0] = 21 2018/03/30 21:41:15 executing program 4 (fault-call:10 fault-nth:33): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:15 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can={0x0, 0x0}, &(0x7f0000000740)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r2, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in6={{0xa, 0x4e20, 0x1ff, @empty, 0x8}}}, &(0x7f00000002c0)=0xfffffffffffffde0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r4, 0x1c9}, 0x8) getsockopt$inet6_tcp_int(r2, 0x6, 0x1f, &(0x7f0000000180), &(0x7f0000000c80)=0x4) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r5 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) getsockopt$netrom_NETROM_T4(r6, 0x103, 0x6, &(0x7f0000000c00)=0x2, &(0x7f00000007c0)=0x4) setsockopt$inet_sctp_SCTP_AUTH_CHUNK(r5, 0x84, 0x15, &(0x7f0000000c40)={0x7}, 0x1) ioctl$KDGETMODE(r5, 0x4b3b, &(0x7f0000000cc0)) r7 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) ioctl$sock_inet6_SIOCADDRT(r7, 0x890b, &(0x7f0000000b80)={@mcast2={0xff, 0x2, [], 0x1}, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x11}}, @mcast1={0xff, 0x1, [], 0x1}, 0x0, 0x3, 0xa4, 0x0, 0x7ff, 0x400000, r3}) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r4}, 0x20) 2018/03/30 21:41:15 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000140)='net/ip_tables_targets\x00') ioctl$KVM_GET_CLOCK(r3, 0x8030ae7c, &(0x7f00000007c0)) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r4, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000c40)='/dev/sequencer2\x00', 0x2, 0x0) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) ioctl$KVM_GET_PIT(r5, 0xc048ae65, &(0x7f0000000700)) 2018/03/30 21:41:15 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfb}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:15 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500), &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:15 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x0, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:15 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:15 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$bt_l2cap_L2CAP_LM(r2, 0x6, 0x3, &(0x7f0000000740)=0x47, 0x4) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) close(r0) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r4 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) ioctl$sock_bt_cmtp_CMTPCONNDEL(r4, 0x400443c9, &(0x7f00000007c0)={{0x4, 0x10001, 0xfffffffffffffffe, 0x5, 0xff, 0x9b}, 0xd74}) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 532.867420] FAULT_INJECTION: forcing a failure. [ 532.867420] name failslab, interval 1, probability 0, space 0, times 0 [ 532.879402] CPU: 0 PID: 3196 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 532.886688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 532.896058] Call Trace: [ 532.898680] dump_stack+0x194/0x24d [ 532.902508] ? arch_local_irq_restore+0x53/0x53 [ 532.907201] ? __save_stack_trace+0x7e/0xd0 [ 532.911598] should_fail+0x8c0/0xa40 2018/03/30 21:41:15 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:15 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 532.915330] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 532.920454] ? kasan_kmalloc+0xad/0xe0 [ 532.924355] ? kmem_cache_alloc_trace+0x136/0x740 [ 532.929213] ? __memcg_init_list_lru_node+0x169/0x270 [ 532.934418] ? __list_lru_init+0x544/0x750 [ 532.938662] ? sget_userns+0x6b1/0xe40 [ 532.942561] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 532.947332] ? kern_mount_data+0x50/0xb0 [ 532.951408] ? pid_ns_prepare_proc+0x1e/0x80 [ 532.955827] ? alloc_pid+0x87e/0xa00 [ 532.959564] ? copy_process.part.38+0x2516/0x4bd0 [ 532.964427] ? _do_fork+0x1f7/0xf70 2018/03/30 21:41:15 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) close(r2) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r4 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) setsockopt$inet6_buf(r4, 0x29, 0xfe, &(0x7f0000000c40)="f6ca8b8be5ed08a2a46b8369e51722dfd49e25a90a9b5ba436341357b0aa3f5a8ed0b086b0c67237a7768990b914b315c53fe88c3d3094c12e92a13ab49fd350795349e659336ffe8c708d0948bc7ccc54c2675dff8b749e5e114b0371a4704a2530a626da6065aaa0604b684b7262df94682861e4dc4737348a81ad54fdb5047b6c4b9b5ea320d7b28193dca9d060f4b20967f5c4c5c69d988fd16ff676ddadd498d26cef0a7d5f5cd19c592201c14e7e00ab4a83b919bff14fb5b0a5e638321fbb96c47434125a0abfa261630cc772575faf82edfa8f132f32ae1b433881d638c0d7ccef93614103", 0xe9) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 532.968070] ? SyS_clone+0x37/0x50 [ 532.971632] ? find_held_lock+0x35/0x1d0 [ 532.975718] ? __lock_is_held+0xb6/0x140 [ 532.979805] ? check_same_owner+0x320/0x320 [ 532.984171] ? rcu_note_context_switch+0x710/0x710 [ 532.989142] should_failslab+0xec/0x120 [ 532.993138] kmem_cache_alloc_trace+0x4b/0x740 [ 532.997741] ? __kmalloc_node+0x33/0x70 [ 533.001732] ? __kmalloc_node+0x33/0x70 [ 533.005735] ? rcu_read_lock_sched_held+0x108/0x120 [ 533.010769] __memcg_init_list_lru_node+0x169/0x270 2018/03/30 21:41:15 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 533.015803] ? list_lru_add+0x7c0/0x7c0 [ 533.019793] ? __kmalloc_node+0x47/0x70 [ 533.023790] __list_lru_init+0x544/0x750 [ 533.027876] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 533.033786] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 533.038827] ? lockdep_init_map+0x9/0x10 [ 533.042905] sget_userns+0x6b1/0xe40 [ 533.046632] ? set_anon_super+0x20/0x20 [ 533.050618] ? put_filp+0x90/0x90 [ 533.054084] ? destroy_unused_super.part.6+0xd0/0xd0 [ 533.059199] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 533.064311] ? save_stack+0xa3/0xd0 [ 533.067949] ? save_stack+0x43/0xd0 [ 533.071584] ? kasan_slab_alloc+0x12/0x20 [ 533.075738] ? kmem_cache_alloc+0x12e/0x760 [ 533.080099] ? alloc_pid+0xc1/0xa00 [ 533.083732] ? __radix_tree_replace+0x1af/0x310 [ 533.088418] ? radix_tree_delete+0x30/0x30 [ 533.093276] ? node_tag_clear+0xf2/0x180 [ 533.097349] ? proc_get_inode+0x620/0x620 [ 533.101504] mount_ns+0x6d/0x190 [ 533.104884] proc_mount+0x7a/0x90 [ 533.108344] mount_fs+0x66/0x2d0 [ 533.111717] vfs_kern_mount.part.26+0xc6/0x4a0 [ 533.116308] ? may_umount+0xa0/0xa0 [ 533.119943] ? idr_alloc_cyclic+0x1d6/0x320 [ 533.124274] ? do_raw_spin_trylock+0x190/0x190 [ 533.128866] ? idr_alloc+0x180/0x180 [ 533.132607] kern_mount_data+0x50/0xb0 [ 533.136504] pid_ns_prepare_proc+0x1e/0x80 [ 533.140751] alloc_pid+0x87e/0xa00 [ 533.144304] ? __change_pid+0x400/0x400 [ 533.148290] ? ns_capable_common+0xcf/0x160 [ 533.152627] ? memset+0x31/0x40 [ 533.155913] ? copy_thread_tls+0x268/0x8f0 [ 533.160224] copy_process.part.38+0x2516/0x4bd0 [ 533.164905] ? __cleanup_sighand+0x40/0x40 [ 533.169155] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 533.174363] ? __lock_acquire+0x664/0x3e00 [ 533.178604] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 533.183810] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 533.189444] ? print_irqtrace_events+0x270/0x270 [ 533.194204] ? __lock_is_held+0xb6/0x140 [ 533.198268] ? __account_cfs_rq_runtime+0x600/0x600 [ 533.203905] ? lock_acquire+0x1d5/0x580 [ 533.207892] ? trace_hardirqs_off+0x10/0x10 [ 533.212223] ? trace_hardirqs_off+0x10/0x10 [ 533.216555] ? __lock_acquire+0x664/0x3e00 [ 533.220803] ? check_same_owner+0x320/0x320 [ 533.225136] ? __enqueue_entity+0x109/0x1e0 [ 533.229495] ? find_held_lock+0x35/0x1d0 [ 533.233588] ? _parse_integer+0xe9/0x140 [ 533.237654] ? trace_hardirqs_off+0x10/0x10 [ 533.241982] ? _parse_integer+0x140/0x140 [ 533.246143] ? trace_hardirqs_off+0x10/0x10 [ 533.250477] ? get_pid_task+0x93/0x140 [ 533.254399] ? lock_downgrade+0x980/0x980 [ 533.258563] ? find_held_lock+0x35/0x1d0 [ 533.262637] ? __f_unlock_pos+0x19/0x20 [ 533.266613] ? lock_downgrade+0x980/0x980 [ 533.270743] ? get_pid_task+0xbc/0x140 [ 533.274621] ? proc_fail_nth_write+0x9b/0x1d0 [ 533.279115] ? map_files_get_link+0x3a0/0x3a0 [ 533.283604] _do_fork+0x1f7/0xf70 [ 533.287048] ? fork_idle+0x2d0/0x2d0 [ 533.290770] ? wait_for_completion+0x770/0x770 [ 533.295339] ? __lock_is_held+0xb6/0x140 [ 533.299387] ? __sb_end_write+0xa0/0xd0 [ 533.303348] ? fput+0xd2/0x140 [ 533.306525] ? SyS_write+0x184/0x220 [ 533.310236] ? SyS_read+0x220/0x220 [ 533.313849] SyS_clone+0x37/0x50 [ 533.317205] ? sys_vfork+0x30/0x30 [ 533.320735] do_syscall_64+0x281/0x940 [ 533.324724] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 533.330254] ? syscall_return_slowpath+0x550/0x550 [ 533.335189] ? syscall_return_slowpath+0x2ac/0x550 [ 533.340124] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 533.345487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 533.350338] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 533.355521] RIP: 0033:0x454e79 [ 533.358703] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 533.366421] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 533.373682] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 533.380967] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 533.388241] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 533.395515] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000021 2018/03/30 21:41:16 executing program 4 (fault-call:10 fault-nth:34): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:16 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:16 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:16 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500), &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:16 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x0, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:16 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) sysinfo(&(0x7f0000000c40)=""/248) setsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r4, 0x84, 0x7, &(0x7f0000000740)={0x9}, 0x4) 2018/03/30 21:41:16 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) ioctl$sock_inet_SIOCSIFDSTADDR(r2, 0x8918, &(0x7f0000000700)={'bcsh0\x00', {0x2, 0x4e22, @rand_addr=0x100}}) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:16 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r3 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$sock_SIOCBRADDBR(r2, 0x89a0, &(0x7f00000007c0)='bcsh0\x00') ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f}, 0x20) setsockopt$sock_attach_bpf(r3, 0x1, 0x32, &(0x7f0000000740)=r5, 0x4) [ 533.988817] FAULT_INJECTION: forcing a failure. [ 533.988817] name failslab, interval 1, probability 0, space 0, times 0 [ 534.000203] CPU: 1 PID: 3254 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 534.007486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 534.016849] Call Trace: [ 534.019471] dump_stack+0x194/0x24d [ 534.023164] ? arch_local_irq_restore+0x53/0x53 [ 534.027845] ? __save_stack_trace+0x7e/0xd0 [ 534.032193] should_fail+0x8c0/0xa40 [ 534.035921] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 534.041030] ? kasan_kmalloc+0xad/0xe0 [ 534.044927] ? kmem_cache_alloc_trace+0x136/0x740 [ 534.049783] ? __memcg_init_list_lru_node+0x169/0x270 [ 534.055072] ? __list_lru_init+0x544/0x750 [ 534.059324] ? sget_userns+0x6b1/0xe40 [ 534.063219] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 534.067971] ? kern_mount_data+0x50/0xb0 [ 534.072039] ? pid_ns_prepare_proc+0x1e/0x80 [ 534.076448] ? alloc_pid+0x87e/0xa00 [ 534.080194] ? copy_process.part.38+0x2516/0x4bd0 [ 534.085056] ? _do_fork+0x1f7/0xf70 [ 534.088695] ? SyS_clone+0x37/0x50 [ 534.092235] ? find_held_lock+0x35/0x1d0 [ 534.096305] ? __lock_is_held+0xb6/0x140 [ 534.100376] ? check_same_owner+0x320/0x320 [ 534.104706] ? rcu_note_context_switch+0x710/0x710 [ 534.109651] should_failslab+0xec/0x120 [ 534.113631] kmem_cache_alloc_trace+0x4b/0x740 [ 534.118217] ? __kmalloc_node+0x33/0x70 [ 534.122189] ? __kmalloc_node+0x33/0x70 [ 534.126164] ? rcu_read_lock_sched_held+0x108/0x120 [ 534.131193] __memcg_init_list_lru_node+0x169/0x270 [ 534.136222] ? list_lru_add+0x7c0/0x7c0 [ 534.140189] ? __kmalloc_node+0x47/0x70 [ 534.144163] __list_lru_init+0x544/0x750 [ 534.148223] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 534.154110] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 534.159134] ? lockdep_init_map+0x9/0x10 [ 534.163195] sget_userns+0x6b1/0xe40 [ 534.166901] ? set_anon_super+0x20/0x20 [ 534.170873] ? put_filp+0x90/0x90 [ 534.174322] ? destroy_unused_super.part.6+0xd0/0xd0 [ 534.179422] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 534.184434] ? save_stack+0xa3/0xd0 [ 534.188052] ? save_stack+0x43/0xd0 [ 534.191671] ? kasan_slab_alloc+0x12/0x20 [ 534.195814] ? kmem_cache_alloc+0x12e/0x760 [ 534.200135] ? alloc_pid+0xc1/0xa00 [ 534.203758] ? __radix_tree_replace+0x1af/0x310 [ 534.208421] ? radix_tree_delete+0x30/0x30 [ 534.212696] ? node_tag_clear+0xf2/0x180 [ 534.216758] ? proc_get_inode+0x620/0x620 [ 534.220897] mount_ns+0x6d/0x190 [ 534.224262] proc_mount+0x7a/0x90 [ 534.227710] mount_fs+0x66/0x2d0 [ 534.231072] vfs_kern_mount.part.26+0xc6/0x4a0 [ 534.235651] ? may_umount+0xa0/0xa0 [ 534.239270] ? idr_alloc_cyclic+0x1d6/0x320 [ 534.243592] ? do_raw_spin_trylock+0x190/0x190 [ 534.248172] ? idr_alloc+0x180/0x180 [ 534.251884] kern_mount_data+0x50/0xb0 [ 534.255781] pid_ns_prepare_proc+0x1e/0x80 [ 534.260012] alloc_pid+0x87e/0xa00 [ 534.263550] ? __change_pid+0x400/0x400 [ 534.267526] ? ns_capable_common+0xcf/0x160 [ 534.271844] ? memset+0x31/0x40 [ 534.275117] ? copy_thread_tls+0x268/0x8f0 [ 534.279352] copy_process.part.38+0x2516/0x4bd0 [ 534.284022] ? __cleanup_sighand+0x40/0x40 [ 534.288264] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 534.293451] ? __lock_acquire+0x664/0x3e00 [ 534.297684] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 534.302874] ? __lock_is_held+0xb6/0x140 [ 534.306938] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 534.312138] ? print_irqtrace_events+0x270/0x270 [ 534.316894] ? print_irqtrace_events+0x270/0x270 [ 534.321651] ? lock_acquire+0x1d5/0x580 [ 534.325624] ? trace_hardirqs_off+0x10/0x10 [ 534.329945] ? trace_hardirqs_off+0x10/0x10 [ 534.334273] ? __lock_acquire+0x664/0x3e00 [ 534.338509] ? check_same_owner+0x320/0x320 [ 534.342839] ? find_held_lock+0x35/0x1d0 [ 534.346902] ? _parse_integer+0xe9/0x140 [ 534.350969] ? trace_hardirqs_off+0x10/0x10 [ 534.355288] ? _parse_integer+0x140/0x140 [ 534.359445] ? trace_hardirqs_off+0x10/0x10 [ 534.363774] ? get_pid_task+0x93/0x140 [ 534.367655] ? lock_downgrade+0x980/0x980 [ 534.371804] ? find_held_lock+0x35/0x1d0 [ 534.375868] ? __f_unlock_pos+0x19/0x20 [ 534.379837] ? lock_downgrade+0x980/0x980 [ 534.383994] ? get_pid_task+0xbc/0x140 [ 534.387878] ? proc_fail_nth_write+0x9b/0x1d0 [ 534.392376] ? map_files_get_link+0x3a0/0x3a0 [ 534.396891] ? handle_mm_fault+0x35b/0xb10 [ 534.401135] _do_fork+0x1f7/0xf70 [ 534.404593] ? fork_idle+0x2d0/0x2d0 [ 534.408302] ? wait_for_completion+0x770/0x770 [ 534.412884] ? __lock_is_held+0xb6/0x140 [ 534.416946] ? __sb_end_write+0xa0/0xd0 [ 534.420920] ? fput+0xd2/0x140 [ 534.424107] ? SyS_write+0x184/0x220 [ 534.427822] ? SyS_read+0x220/0x220 [ 534.431450] SyS_clone+0x37/0x50 [ 534.434805] ? sys_vfork+0x30/0x30 [ 534.438341] do_syscall_64+0x281/0x940 [ 534.442227] ? vmalloc_sync_all+0x30/0x30 [ 534.446382] ? _raw_spin_unlock_irq+0x27/0x70 [ 534.450883] ? finish_task_switch+0x1c1/0x7e0 [ 534.455377] ? syscall_return_slowpath+0x550/0x550 [ 534.460303] ? syscall_return_slowpath+0x2ac/0x550 [ 534.465230] ? prepare_exit_to_usermode+0x350/0x350 [ 534.470242] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 534.475603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 534.480448] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 534.485632] RIP: 0033:0x454e79 2018/03/30 21:41:17 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(0xffffffffffffffff, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:17 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$LOOP_SET_STATUS(r0, 0x4c02, &(0x7f0000000c40)={0x0, 0x0, 0x0, 0x0, 0xe15b, 0x12, 0x3, 0x1, "90406bcfd73c86c29c94c52cbed47f6be4ca5d23ef5e243991db0bcf9851f8e3a54c33542b1ca218cca3663cee2622530981a0c7b31a6dcd92ee85041fabcced", "adbc9ad80e1980767217c82f95c7b1f02bd1b567f3025d278b406f79d3d01a3c", [0x1, 0xffffffff]}) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) pipe(&(0x7f0000000740)={0xffffffffffffffff}) setsockopt$ax25_buf(r2, 0x101, 0x19, &(0x7f0000000d00)="b787522c4acc852e0951d98bf510868d7ca31cba313450a8ae6aeb00633cc641c90f9bbe87b528aa7bc273e22456acd12177e13b493abda67e971610df11f96b70b54e85b2a36bf761010a3301d4eae1ad5bc51af6f3d493809cb24ea57f83221c6908ca86bb711ed748e92fa9c1552487ef5cb5b4e70658c7ef862e8bc084fa8d320e0a875150fa128064461c261f0687be7756e84850edaa88c5edad05f5f018dc9c1ce56a92b5d3a13b7520a97f3c21bbc8e4d615126da45789544491cb8dd67366b8e993ee0cf33cf9205fc3e1000105640ded1628a8bf9f313de44f6fa61e57", 0xe2) r3 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r3, 0x89e1, &(0x7f0000000280)=0x3f) readahead(r1, 0x84b, 0x1ff) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000300)={r4, 0x1c9}, 0x8) r5 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r3, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r3, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$UFFDIO_ZEROPAGE(r5, 0xc020aa04, &(0x7f00000007c0)={&(0x7f0000ffa000/0x4000)=nil, 0x4000}) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r4}, 0x20) [ 534.488816] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 534.496522] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 534.503788] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 534.511054] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 534.518323] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 534.525588] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000022 2018/03/30 21:41:17 executing program 4 (fault-call:10 fault-nth:35): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:17 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:17 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:17 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$amidi(&(0x7f0000000740)='/dev/amidi#\x00', 0x7, 0x80) ioctl$TIOCGPTPEER(r4, 0x5441, 0xcff3) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 534.707390] FAULT_INJECTION: forcing a failure. [ 534.707390] name failslab, interval 1, probability 0, space 0, times 0 [ 534.718822] CPU: 0 PID: 3288 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 534.726104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 534.735485] Call Trace: [ 534.738085] dump_stack+0x194/0x24d [ 534.741723] ? arch_local_irq_restore+0x53/0x53 [ 534.746407] ? __save_stack_trace+0x7e/0xd0 [ 534.750740] should_fail+0x8c0/0xa40 [ 534.754472] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 534.759585] ? kasan_kmalloc+0xad/0xe0 [ 534.763483] ? kmem_cache_alloc_trace+0x136/0x740 [ 534.768332] ? __memcg_init_list_lru_node+0x169/0x270 [ 534.773530] ? __list_lru_init+0x544/0x750 [ 534.777767] ? sget_userns+0x6b1/0xe40 [ 534.781665] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 534.786436] ? kern_mount_data+0x50/0xb0 [ 534.790609] ? pid_ns_prepare_proc+0x1e/0x80 [ 534.795023] ? alloc_pid+0x87e/0xa00 [ 534.798747] ? copy_process.part.38+0x2516/0x4bd0 [ 534.803593] ? _do_fork+0x1f7/0xf70 [ 534.807220] ? SyS_clone+0x37/0x50 [ 534.810765] ? find_held_lock+0x35/0x1d0 [ 534.814832] ? __lock_is_held+0xb6/0x140 [ 534.818904] ? check_same_owner+0x320/0x320 [ 534.823232] ? rcu_note_context_switch+0x710/0x710 [ 534.828184] should_failslab+0xec/0x120 [ 534.832170] kmem_cache_alloc_trace+0x4b/0x740 [ 534.836764] ? __kmalloc_node+0x33/0x70 [ 534.840745] ? __kmalloc_node+0x33/0x70 [ 534.844735] ? rcu_read_lock_sched_held+0x108/0x120 [ 534.849767] __memcg_init_list_lru_node+0x169/0x270 [ 534.854885] ? list_lru_add+0x7c0/0x7c0 [ 534.858868] ? __kmalloc_node+0x47/0x70 [ 534.862858] __list_lru_init+0x544/0x750 [ 534.866930] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 534.872824] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 534.877859] ? lockdep_init_map+0x9/0x10 [ 534.881931] sget_userns+0x6b1/0xe40 [ 534.885651] ? set_anon_super+0x20/0x20 [ 534.889640] ? put_filp+0x90/0x90 [ 534.893096] ? destroy_unused_super.part.6+0xd0/0xd0 [ 534.898206] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 534.903237] ? save_stack+0xa3/0xd0 2018/03/30 21:41:17 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x0, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:17 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) r3 = syz_open_dev$amidi(&(0x7f0000000d00)='/dev/amidi#\x00', 0x7fffffff, 0x0) ioctl$TUNSETSNDBUF(r3, 0x400454d4, &(0x7f00000007c0)=0x7) r4 = getpgrp(0x0) prctl$setptracer(0x59616d61, r4) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r5, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r3, 0x84, 0x10, &(0x7f0000000c40)=@sack_info={r5, 0x2, 0x3}, &(0x7f0000000c80)=0xc) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r5}, 0x20) 2018/03/30 21:41:17 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 534.906876] ? save_stack+0x43/0xd0 [ 534.910512] ? kasan_slab_alloc+0x12/0x20 [ 534.914666] ? kmem_cache_alloc+0x12e/0x760 [ 534.918995] ? alloc_pid+0xc1/0xa00 [ 534.922633] ? __radix_tree_replace+0x1af/0x310 [ 534.927309] ? radix_tree_delete+0x30/0x30 [ 534.931545] ? node_tag_clear+0xf2/0x180 [ 534.935624] ? proc_get_inode+0x620/0x620 [ 534.939778] mount_ns+0x6d/0x190 [ 534.943153] proc_mount+0x7a/0x90 [ 534.946612] mount_fs+0x66/0x2d0 [ 534.949988] vfs_kern_mount.part.26+0xc6/0x4a0 [ 534.954577] ? may_umount+0xa0/0xa0 [ 534.958205] ? idr_alloc_cyclic+0x1d6/0x320 [ 534.962540] ? do_raw_spin_trylock+0x190/0x190 [ 534.967136] ? idr_alloc+0x180/0x180 [ 534.970853] kern_mount_data+0x50/0xb0 [ 534.974740] pid_ns_prepare_proc+0x1e/0x80 [ 534.978980] alloc_pid+0x87e/0xa00 [ 534.982529] ? __change_pid+0x400/0x400 [ 534.986504] ? ns_capable_common+0xcf/0x160 [ 534.990827] ? memset+0x31/0x40 [ 534.994105] ? copy_thread_tls+0x268/0x8f0 [ 534.998354] copy_process.part.38+0x2516/0x4bd0 [ 535.003043] ? __cleanup_sighand+0x40/0x40 [ 535.007292] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 535.012492] ? __lock_acquire+0x664/0x3e00 [ 535.016741] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 535.021943] ? environ_open+0x80/0x80 [ 535.025762] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 535.030959] ? __lock_acquire+0x664/0x3e00 [ 535.035198] ? mntput_no_expire+0x130/0xa90 [ 535.039521] ? print_irqtrace_events+0x270/0x270 [ 535.044280] ? trace_hardirqs_off+0x10/0x10 [ 535.048610] ? lock_acquire+0x1d5/0x580 [ 535.052592] ? trace_hardirqs_off+0x10/0x10 [ 535.056918] ? trace_hardirqs_off+0x10/0x10 [ 535.061238] ? __lock_acquire+0x664/0x3e00 [ 535.065470] ? check_same_owner+0x320/0x320 [ 535.069791] ? find_held_lock+0x35/0x1d0 [ 535.073859] ? _parse_integer+0xe9/0x140 [ 535.077919] ? trace_hardirqs_off+0x10/0x10 [ 535.082237] ? _parse_integer+0x140/0x140 [ 535.086382] ? trace_hardirqs_off+0x10/0x10 [ 535.090700] ? get_pid_task+0x93/0x140 [ 535.094583] ? lock_downgrade+0x980/0x980 [ 535.098726] ? find_held_lock+0x35/0x1d0 [ 535.102789] ? __f_unlock_pos+0x19/0x20 [ 535.106761] ? lock_downgrade+0x980/0x980 [ 535.110907] ? get_pid_task+0xbc/0x140 [ 535.114795] ? proc_fail_nth_write+0x9b/0x1d0 [ 535.119292] ? map_files_get_link+0x3a0/0x3a0 [ 535.123790] ? handle_mm_fault+0x35b/0xb10 [ 535.128034] _do_fork+0x1f7/0xf70 [ 535.131520] ? fork_idle+0x2d0/0x2d0 [ 535.135239] ? wait_for_completion+0x770/0x770 [ 535.139834] ? __lock_is_held+0xb6/0x140 [ 535.143910] ? __sb_end_write+0xa0/0xd0 [ 535.147893] ? fput+0xd2/0x140 [ 535.151095] ? SyS_write+0x184/0x220 [ 535.154819] ? SyS_read+0x220/0x220 [ 535.158460] SyS_clone+0x37/0x50 [ 535.161826] ? sys_vfork+0x30/0x30 [ 535.165369] do_syscall_64+0x281/0x940 [ 535.169256] ? vmalloc_sync_all+0x30/0x30 [ 535.173413] ? _raw_spin_unlock_irq+0x27/0x70 [ 535.177916] ? finish_task_switch+0x1c1/0x7e0 [ 535.182446] ? syscall_return_slowpath+0x550/0x550 [ 535.187386] ? syscall_return_slowpath+0x2ac/0x550 [ 535.192334] ? prepare_exit_to_usermode+0x350/0x350 [ 535.197361] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 535.202738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 535.207597] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 535.212792] RIP: 0033:0x454e79 [ 535.215987] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 535.223699] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 535.230981] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 535.238247] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 535.245594] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 2018/03/30 21:41:17 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x40000000007, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000740)='/dev/sequencer2\x00', 0x10000, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:18 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000740)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x20007, 0x401, 0x1f, r3}, 0x20) [ 535.252879] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000023 2018/03/30 21:41:18 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:18 executing program 4 (fault-call:10 fault-nth:36): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:18 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:18 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000c40)="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", 0xfc}], 0x4, 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000000440)='/dev/snd/seq\x00', 0x0, 0x94000) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000480)='/dev/rfkill\x00', 0x40000, 0x0) ioctl$EVIOCRMFF(r4, 0x40044581, &(0x7f00000004c0)=0xffff) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r5 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$VHOST_SET_LOG_BASE(r5, 0x4008af04, &(0x7f0000000400)=&(0x7f00000001c0)) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000000140)={0x9, 0x100000001, 0x0, 0x8, 0x9, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:18 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 535.429529] FAULT_INJECTION: forcing a failure. [ 535.429529] name failslab, interval 1, probability 0, space 0, times 0 [ 535.440958] CPU: 0 PID: 3344 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 535.448332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 535.457691] Call Trace: [ 535.460288] dump_stack+0x194/0x24d [ 535.463928] ? arch_local_irq_restore+0x53/0x53 [ 535.468611] ? __save_stack_trace+0x7e/0xd0 [ 535.472952] should_fail+0x8c0/0xa40 [ 535.476681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 535.481814] ? kasan_kmalloc+0xad/0xe0 [ 535.485799] ? kmem_cache_alloc_trace+0x136/0x740 [ 535.490649] ? __memcg_init_list_lru_node+0x169/0x270 [ 535.495851] ? __list_lru_init+0x544/0x750 [ 535.500122] ? sget_userns+0x6b1/0xe40 [ 535.504039] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 535.508808] ? kern_mount_data+0x50/0xb0 [ 535.513226] ? pid_ns_prepare_proc+0x1e/0x80 [ 535.517647] ? alloc_pid+0x87e/0xa00 [ 535.521386] ? copy_process.part.38+0x2516/0x4bd0 [ 535.526239] ? _do_fork+0x1f7/0xf70 [ 535.529873] ? SyS_clone+0x37/0x50 [ 535.533429] ? find_held_lock+0x35/0x1d0 [ 535.537508] ? __lock_is_held+0xb6/0x140 [ 535.541601] ? check_same_owner+0x320/0x320 [ 535.545944] ? rcu_note_context_switch+0x710/0x710 [ 535.550897] should_failslab+0xec/0x120 [ 535.554881] kmem_cache_alloc_trace+0x4b/0x740 [ 535.559475] ? __kmalloc_node+0x33/0x70 [ 535.563463] ? __kmalloc_node+0x33/0x70 [ 535.567455] ? rcu_read_lock_sched_held+0x108/0x120 [ 535.572500] __memcg_init_list_lru_node+0x169/0x270 2018/03/30 21:41:18 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 535.577547] ? list_lru_add+0x7c0/0x7c0 [ 535.581537] ? __kmalloc_node+0x47/0x70 [ 535.585527] __list_lru_init+0x544/0x750 [ 535.589601] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 535.595494] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 535.600529] ? lockdep_init_map+0x9/0x10 [ 535.604599] sget_userns+0x6b1/0xe40 [ 535.608321] ? set_anon_super+0x20/0x20 [ 535.612310] ? put_filp+0x90/0x90 [ 535.615767] ? destroy_unused_super.part.6+0xd0/0xd0 [ 535.620882] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 535.625910] ? save_stack+0xa3/0xd0 2018/03/30 21:41:18 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 535.629544] ? save_stack+0x43/0xd0 [ 535.633180] ? kasan_slab_alloc+0x12/0x20 [ 535.637331] ? kmem_cache_alloc+0x12e/0x760 [ 535.641654] ? alloc_pid+0xc1/0xa00 [ 535.645287] ? __radix_tree_replace+0x1af/0x310 [ 535.649961] ? radix_tree_delete+0x30/0x30 [ 535.654203] ? node_tag_clear+0xf2/0x180 [ 535.658283] ? proc_get_inode+0x620/0x620 [ 535.662444] mount_ns+0x6d/0x190 [ 535.665819] proc_mount+0x7a/0x90 [ 535.669279] mount_fs+0x66/0x2d0 [ 535.672667] vfs_kern_mount.part.26+0xc6/0x4a0 [ 535.677256] ? may_umount+0xa0/0xa0 [ 535.680886] ? idr_alloc_cyclic+0x1d6/0x320 [ 535.685219] ? do_raw_spin_trylock+0x190/0x190 [ 535.689813] ? idr_alloc+0x180/0x180 [ 535.693538] kern_mount_data+0x50/0xb0 [ 535.697442] pid_ns_prepare_proc+0x1e/0x80 [ 535.701685] alloc_pid+0x87e/0xa00 [ 535.705237] ? __change_pid+0x400/0x400 [ 535.709225] ? ns_capable_common+0xcf/0x160 [ 535.713553] ? memset+0x31/0x40 [ 535.716845] ? copy_thread_tls+0x268/0x8f0 [ 535.721086] copy_process.part.38+0x2516/0x4bd0 [ 535.725773] ? __cleanup_sighand+0x40/0x40 [ 535.730022] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 535.735218] ? __lock_acquire+0x664/0x3e00 [ 535.739467] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 535.745269] ? environ_open+0x80/0x80 [ 535.749109] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 535.754326] ? __lock_acquire+0x664/0x3e00 [ 535.758566] ? mntput_no_expire+0x130/0xa90 [ 535.762996] ? print_irqtrace_events+0x270/0x270 [ 535.767758] ? trace_hardirqs_off+0x10/0x10 [ 535.772092] ? lock_acquire+0x1d5/0x580 [ 535.776073] ? trace_hardirqs_off+0x10/0x10 2018/03/30 21:41:18 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 535.780403] ? trace_hardirqs_off+0x10/0x10 [ 535.784740] ? __lock_acquire+0x664/0x3e00 [ 535.788995] ? check_same_owner+0x320/0x320 [ 535.793327] ? find_held_lock+0x35/0x1d0 [ 535.797397] ? _parse_integer+0xe9/0x140 [ 535.801470] ? trace_hardirqs_off+0x10/0x10 [ 535.805796] ? _parse_integer+0x140/0x140 [ 535.809952] ? trace_hardirqs_off+0x10/0x10 [ 535.814274] ? get_pid_task+0x93/0x140 [ 535.818164] ? lock_downgrade+0x980/0x980 [ 535.822314] ? find_held_lock+0x35/0x1d0 [ 535.826383] ? __f_unlock_pos+0x19/0x20 [ 535.830363] ? lock_downgrade+0x980/0x980 [ 535.834510] ? get_pid_task+0xbc/0x140 [ 535.838400] ? proc_fail_nth_write+0x9b/0x1d0 [ 535.842904] ? map_files_get_link+0x3a0/0x3a0 [ 535.847402] ? handle_mm_fault+0x35b/0xb10 [ 535.851651] _do_fork+0x1f7/0xf70 [ 535.855113] ? fork_idle+0x2d0/0x2d0 [ 535.858828] ? wait_for_completion+0x770/0x770 [ 535.863427] ? __lock_is_held+0xb6/0x140 [ 535.867500] ? __sb_end_write+0xa0/0xd0 [ 535.872244] ? fput+0xd2/0x140 [ 535.875462] ? SyS_write+0x184/0x220 [ 535.879183] ? SyS_read+0x220/0x220 [ 535.882808] SyS_clone+0x37/0x50 [ 535.886181] ? sys_vfork+0x30/0x30 [ 535.889719] do_syscall_64+0x281/0x940 [ 535.893608] ? vmalloc_sync_all+0x30/0x30 [ 535.897760] ? _raw_spin_unlock_irq+0x27/0x70 [ 535.902257] ? finish_task_switch+0x1c1/0x7e0 [ 535.906761] ? syscall_return_slowpath+0x550/0x550 [ 535.911706] ? syscall_return_slowpath+0x2ac/0x550 [ 535.916643] ? prepare_exit_to_usermode+0x350/0x350 [ 535.921665] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 535.927038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 535.931891] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 535.937079] RIP: 0033:0x454e79 [ 535.940265] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 535.947978] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 535.955248] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 535.962519] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 535.969790] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 535.977059] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000024 [ 536.164132] IPVS: ftp: loaded support on port[0] = 21 [ 536.190132] IPVS: ftp: loaded support on port[0] = 21 2018/03/30 21:41:19 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800), &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:19 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:19 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:19 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:19 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:19 executing program 4 (fault-call:10 fault-nth:37): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:19 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000180)='memory.current\x00', 0x0, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x4031, 0xffffffffffffffff, 0x0) r4 = userfaultfd(0x0) add_key(&(0x7f0000000240)='.dead\x00', &(0x7f0000000280)={0x73, 0x79, 0x7a, 0x0}, &(0x7f00000002c0), 0x0, 0xffffffffffffffff) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)) openat$dsp(0xffffffffffffff9c, &(0x7f0000000440)='/dev/dsp\x00', 0x10b000, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) sendmsg$rds(0xffffffffffffffff, &(0x7f0000017000)={&(0x7f0000015ff3)={0x2, 0x4e21}, 0x10, &(0x7f000000d000), 0x0, &(0x7f000000ef03)=[@fadd={0x58, 0x114, 0x6, {{}, &(0x7f000001bff8), &(0x7f0000009ff8)}}, @rdma_args={0x48, 0x114, 0x1, {{}, {&(0x7f000000f000)}, &(0x7f000001e000)=[{&(0x7f0000012000)=""/15, 0xf}], 0x1}}, @mask_cswp={0x58, 0x114, 0x9, {{}, &(0x7f0000012ff8), &(0x7f000001cff8)}}], 0xf8}, 0x0) socket$nl_route(0x10, 0x3, 0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000040)={0xaa}) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000838fe0)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) futex(&(0x7f0000012ffc), 0x0, 0x0, &(0x7f0000060ff0)={0x0, 0x989680}, &(0x7f00003cfffc), 0x0) ioctl$UFFDIO_UNREGISTER(r4, 0x8010aa01, &(0x7f0000000100)={&(0x7f0000012000/0x2000)=nil, 0x2000}) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000200)) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x0, 0x0) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") 2018/03/30 21:41:19 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000740)=0x2) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) munmap(&(0x7f0000ffa000/0x3000)=nil, 0x3000) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 536.411269] FAULT_INJECTION: forcing a failure. [ 536.411269] name failslab, interval 1, probability 0, space 0, times 0 [ 536.422592] CPU: 1 PID: 3406 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 536.429876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 536.439241] Call Trace: [ 536.441857] dump_stack+0x194/0x24d [ 536.445516] ? arch_local_irq_restore+0x53/0x53 [ 536.450217] ? __save_stack_trace+0x7e/0xd0 [ 536.454563] should_fail+0x8c0/0xa40 [ 536.458296] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 536.463410] ? kasan_kmalloc+0xad/0xe0 [ 536.467309] ? kmem_cache_alloc_trace+0x136/0x740 [ 536.472169] ? __memcg_init_list_lru_node+0x169/0x270 [ 536.477378] ? __list_lru_init+0x544/0x750 [ 536.481617] ? sget_userns+0x6b1/0xe40 [ 536.485519] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 536.490285] ? kern_mount_data+0x50/0xb0 [ 536.494357] ? pid_ns_prepare_proc+0x1e/0x80 [ 536.498790] ? alloc_pid+0x87e/0xa00 [ 536.502506] ? copy_process.part.38+0x2516/0x4bd0 [ 536.507354] ? _do_fork+0x1f7/0xf70 [ 536.511074] ? SyS_clone+0x37/0x50 [ 536.514624] ? find_held_lock+0x35/0x1d0 [ 536.518697] ? __lock_is_held+0xb6/0x140 [ 536.522770] ? check_same_owner+0x320/0x320 [ 536.527094] ? rcu_note_context_switch+0x710/0x710 [ 536.532012] should_failslab+0xec/0x120 [ 536.535969] kmem_cache_alloc_trace+0x4b/0x740 [ 536.540529] ? __kmalloc_node+0x33/0x70 [ 536.544478] ? __kmalloc_node+0x33/0x70 [ 536.548428] ? rcu_read_lock_sched_held+0x108/0x120 [ 536.553441] __memcg_init_list_lru_node+0x169/0x270 [ 536.558462] ? list_lru_add+0x7c0/0x7c0 [ 536.562417] ? __kmalloc_node+0x47/0x70 [ 536.566372] __list_lru_init+0x544/0x750 [ 536.570417] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 536.576316] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 536.581318] ? lockdep_init_map+0x9/0x10 [ 536.585363] sget_userns+0x6b1/0xe40 [ 536.589068] ? set_anon_super+0x20/0x20 [ 536.593029] ? put_filp+0x90/0x90 [ 536.596460] ? destroy_unused_super.part.6+0xd0/0xd0 [ 536.601546] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 536.606544] ? save_stack+0xa3/0xd0 [ 536.610149] ? save_stack+0x43/0xd0 [ 536.613750] ? kasan_slab_alloc+0x12/0x20 [ 536.617871] ? kmem_cache_alloc+0x12e/0x760 [ 536.622177] ? alloc_pid+0xc1/0xa00 [ 536.625782] ? __radix_tree_replace+0x1af/0x310 [ 536.630436] ? radix_tree_delete+0x30/0x30 [ 536.634648] ? node_tag_clear+0xf2/0x180 [ 536.638688] ? proc_get_inode+0x620/0x620 [ 536.642810] mount_ns+0x6d/0x190 [ 536.646153] proc_mount+0x7a/0x90 [ 536.649584] mount_fs+0x66/0x2d0 [ 536.652928] vfs_kern_mount.part.26+0xc6/0x4a0 [ 536.657485] ? may_umount+0xa0/0xa0 [ 536.661086] ? idr_alloc_cyclic+0x1d6/0x320 [ 536.665386] ? do_raw_spin_trylock+0x190/0x190 [ 536.669959] ? idr_alloc+0x180/0x180 [ 536.673650] kern_mount_data+0x50/0xb0 [ 536.677519] pid_ns_prepare_proc+0x1e/0x80 [ 536.681731] alloc_pid+0x87e/0xa00 [ 536.685252] ? __change_pid+0x400/0x400 [ 536.689204] ? ns_capable_common+0xcf/0x160 [ 536.693520] ? memset+0x31/0x40 [ 536.696785] ? copy_thread_tls+0x268/0x8f0 [ 536.701004] copy_process.part.38+0x2516/0x4bd0 [ 536.705658] ? __cleanup_sighand+0x40/0x40 [ 536.709890] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 536.715159] ? __lock_acquire+0x664/0x3e00 [ 536.719370] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 536.724656] ? environ_open+0x80/0x80 [ 536.728443] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 536.733610] ? __lock_acquire+0x664/0x3e00 [ 536.737821] ? mntput_no_expire+0x130/0xa90 [ 536.742317] ? print_irqtrace_events+0x270/0x270 [ 536.747052] ? trace_hardirqs_off+0x10/0x10 [ 536.751353] ? lock_acquire+0x1d5/0x580 [ 536.755305] ? trace_hardirqs_off+0x10/0x10 [ 536.759607] ? trace_hardirqs_off+0x10/0x10 [ 536.763907] ? __lock_acquire+0x664/0x3e00 [ 536.768119] ? check_same_owner+0x320/0x320 [ 536.772419] ? find_held_lock+0x35/0x1d0 [ 536.776469] ? _parse_integer+0xe9/0x140 [ 536.780510] ? trace_hardirqs_off+0x10/0x10 [ 536.784811] ? _parse_integer+0x140/0x140 [ 536.788941] ? trace_hardirqs_off+0x10/0x10 [ 536.793242] ? get_pid_task+0x93/0x140 [ 536.797108] ? lock_downgrade+0x980/0x980 [ 536.801236] ? find_held_lock+0x35/0x1d0 [ 536.805277] ? __f_unlock_pos+0x19/0x20 [ 536.809226] ? lock_downgrade+0x980/0x980 [ 536.813348] ? get_pid_task+0xbc/0x140 [ 536.817215] ? proc_fail_nth_write+0x9b/0x1d0 [ 536.821684] ? map_files_get_link+0x3a0/0x3a0 [ 536.826156] ? handle_mm_fault+0x35b/0xb10 [ 536.830384] _do_fork+0x1f7/0xf70 [ 536.833816] ? fork_idle+0x2d0/0x2d0 [ 536.837511] ? wait_for_completion+0x770/0x770 [ 536.842071] ? __lock_is_held+0xb6/0x140 [ 536.846114] ? __sb_end_write+0xa0/0xd0 [ 536.850063] ? fput+0xd2/0x140 [ 536.853231] ? SyS_write+0x184/0x220 [ 536.856926] ? SyS_read+0x220/0x220 [ 536.860537] SyS_clone+0x37/0x50 [ 536.863885] ? sys_vfork+0x30/0x30 [ 536.867404] do_syscall_64+0x281/0x940 [ 536.871272] ? vmalloc_sync_all+0x30/0x30 [ 536.875400] ? _raw_spin_unlock_irq+0x27/0x70 [ 536.879877] ? finish_task_switch+0x1c1/0x7e0 [ 536.884351] ? syscall_return_slowpath+0x550/0x550 [ 536.889257] ? syscall_return_slowpath+0x2ac/0x550 [ 536.894171] ? prepare_exit_to_usermode+0x350/0x350 [ 536.899166] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 536.904515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 536.909338] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 536.914506] RIP: 0033:0x454e79 [ 536.917689] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 536.925376] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 536.932622] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 536.939871] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 536.947118] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 536.954368] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000025 2018/03/30 21:41:20 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:20 executing program 4 (fault-call:10 fault-nth:38): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:20 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:20 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000003, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) fcntl$getownex(r4, 0x10, &(0x7f0000000740)) ioctl$RNDADDENTROPY(r4, 0x40085203, &(0x7f0000000100)=ANY=[]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:20 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:20 executing program 7: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) socket$can_raw(0x1d, 0x3, 0x1) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:20 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r5, 0xc0bc5310, &(0x7f0000000c40)) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:20 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800), &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 537.634384] FAULT_INJECTION: forcing a failure. [ 537.634384] name failslab, interval 1, probability 0, space 0, times 0 [ 537.645799] CPU: 0 PID: 3454 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 537.653075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 537.662428] Call Trace: [ 537.665025] dump_stack+0x194/0x24d [ 537.668652] ? arch_local_irq_restore+0x53/0x53 [ 537.673312] ? __save_stack_trace+0x7e/0xd0 [ 537.677642] should_fail+0x8c0/0xa40 [ 537.681356] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 537.686545] ? kasan_kmalloc+0xad/0xe0 [ 537.690427] ? kmem_cache_alloc_trace+0x136/0x740 [ 537.695263] ? __memcg_init_list_lru_node+0x169/0x270 [ 537.700446] ? __list_lru_init+0x544/0x750 [ 537.704689] ? sget_userns+0x6b1/0xe40 [ 537.708580] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 537.713328] ? kern_mount_data+0x50/0xb0 [ 537.717383] ? pid_ns_prepare_proc+0x1e/0x80 [ 537.721781] ? alloc_pid+0x87e/0xa00 [ 537.725488] ? copy_process.part.38+0x2516/0x4bd0 [ 537.730321] ? _do_fork+0x1f7/0xf70 [ 537.733942] ? SyS_clone+0x37/0x50 [ 537.737563] ? find_held_lock+0x35/0x1d0 [ 537.741621] ? __lock_is_held+0xb6/0x140 [ 537.745679] ? check_same_owner+0x320/0x320 [ 537.750009] ? rcu_note_context_switch+0x710/0x710 [ 537.754940] should_failslab+0xec/0x120 [ 537.758908] kmem_cache_alloc_trace+0x4b/0x740 [ 537.763481] ? __kmalloc_node+0x33/0x70 [ 537.767443] ? __kmalloc_node+0x33/0x70 [ 537.771410] ? rcu_read_lock_sched_held+0x108/0x120 [ 537.776422] __memcg_init_list_lru_node+0x169/0x270 [ 537.781436] ? list_lru_add+0x7c0/0x7c0 [ 537.785404] ? __kmalloc_node+0x47/0x70 [ 537.789375] __list_lru_init+0x544/0x750 [ 537.793433] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 537.799320] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 537.804342] ? lockdep_init_map+0x9/0x10 [ 537.808487] sget_userns+0x6b1/0xe40 [ 537.812545] ? set_anon_super+0x20/0x20 [ 537.816527] ? put_filp+0x90/0x90 [ 537.819971] ? destroy_unused_super.part.6+0xd0/0xd0 [ 537.825070] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 537.830081] ? save_stack+0xa3/0xd0 [ 537.833697] ? save_stack+0x43/0xd0 [ 537.837313] ? kasan_slab_alloc+0x12/0x20 [ 537.841452] ? kmem_cache_alloc+0x12e/0x760 [ 537.845761] ? alloc_pid+0xc1/0xa00 [ 537.849447] ? __radix_tree_replace+0x1af/0x310 [ 537.854110] ? radix_tree_delete+0x30/0x30 [ 537.858341] ? node_tag_clear+0xf2/0x180 [ 537.862488] ? proc_get_inode+0x620/0x620 [ 537.866626] mount_ns+0x6d/0x190 [ 537.870708] proc_mount+0x7a/0x90 [ 537.874150] mount_fs+0x66/0x2d0 [ 537.877511] vfs_kern_mount.part.26+0xc6/0x4a0 [ 537.882084] ? may_umount+0xa0/0xa0 [ 537.885704] ? idr_alloc_cyclic+0x1d6/0x320 [ 537.890015] ? do_raw_spin_trylock+0x190/0x190 [ 537.894590] ? idr_alloc+0x180/0x180 [ 537.898302] kern_mount_data+0x50/0xb0 [ 537.902186] pid_ns_prepare_proc+0x1e/0x80 [ 537.906415] alloc_pid+0x87e/0xa00 [ 537.909951] ? __change_pid+0x400/0x400 [ 537.913927] ? ns_capable_common+0xcf/0x160 [ 537.918254] ? memset+0x31/0x40 [ 537.921622] ? copy_thread_tls+0x268/0x8f0 [ 537.925863] copy_process.part.38+0x2516/0x4bd0 [ 537.930543] ? __cleanup_sighand+0x40/0x40 [ 537.934786] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 537.939973] ? __lock_acquire+0x664/0x3e00 [ 537.944201] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 537.949387] ? environ_open+0x80/0x80 [ 537.953189] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 537.958371] ? __lock_acquire+0x664/0x3e00 [ 537.962601] ? mntput_no_expire+0x130/0xa90 [ 537.966925] ? print_irqtrace_events+0x270/0x270 [ 537.971684] ? trace_hardirqs_off+0x10/0x10 [ 537.976010] ? lock_acquire+0x1d5/0x580 [ 537.979981] ? trace_hardirqs_off+0x10/0x10 [ 537.984298] ? trace_hardirqs_off+0x10/0x10 [ 537.988620] ? __lock_acquire+0x664/0x3e00 [ 537.992851] ? check_same_owner+0x320/0x320 [ 537.997180] ? find_held_lock+0x35/0x1d0 [ 538.001225] ? _parse_integer+0xe9/0x140 [ 538.005288] ? trace_hardirqs_off+0x10/0x10 [ 538.009597] ? _parse_integer+0x140/0x140 [ 538.013747] ? trace_hardirqs_off+0x10/0x10 [ 538.018061] ? get_pid_task+0x93/0x140 [ 538.021937] ? lock_downgrade+0x980/0x980 [ 538.026079] ? find_held_lock+0x35/0x1d0 [ 538.030146] ? __f_unlock_pos+0x19/0x20 [ 538.034113] ? lock_downgrade+0x980/0x980 [ 538.038242] ? get_pid_task+0xbc/0x140 [ 538.042114] ? proc_fail_nth_write+0x9b/0x1d0 [ 538.046611] ? map_files_get_link+0x3a0/0x3a0 [ 538.051125] ? handle_mm_fault+0x35b/0xb10 [ 538.055358] _do_fork+0x1f7/0xf70 [ 538.058811] ? fork_idle+0x2d0/0x2d0 [ 538.062517] ? wait_for_completion+0x770/0x770 [ 538.067083] ? __lock_is_held+0xb6/0x140 [ 538.071139] ? __sb_end_write+0xa0/0xd0 [ 538.075101] ? fput+0xd2/0x140 [ 538.078299] ? SyS_write+0x184/0x220 [ 538.082023] ? SyS_read+0x220/0x220 [ 538.085645] SyS_clone+0x37/0x50 [ 538.089006] ? sys_vfork+0x30/0x30 [ 538.092539] do_syscall_64+0x281/0x940 [ 538.096429] ? vmalloc_sync_all+0x30/0x30 [ 538.100581] ? _raw_spin_unlock_irq+0x27/0x70 [ 538.105062] ? finish_task_switch+0x1c1/0x7e0 [ 538.109548] ? syscall_return_slowpath+0x550/0x550 [ 538.114469] ? syscall_return_slowpath+0x2ac/0x550 [ 538.119397] ? prepare_exit_to_usermode+0x350/0x350 [ 538.124412] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 538.129759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 538.134601] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 538.139868] RIP: 0033:0x454e79 [ 538.143043] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 538.150743] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 538.157994] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 538.165253] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 538.172515] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 2018/03/30 21:41:21 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 538.179774] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000026 2018/03/30 21:41:21 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x0) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:21 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000d40)=0xfffffffffffffd06) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r4, 0xc08c5332, &(0x7f0000000c40)={0x1, 0x401, 0x5, 'queue1\x00', 0x6}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) r5 = syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r6 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) dup2(r4, r5) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:21 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:21 executing program 4 (fault-call:10 fault-nth:39): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 538.408098] FAULT_INJECTION: forcing a failure. [ 538.408098] name failslab, interval 1, probability 0, space 0, times 0 [ 538.419612] CPU: 1 PID: 3490 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 538.426893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 538.436269] Call Trace: [ 538.438870] dump_stack+0x194/0x24d [ 538.442507] ? arch_local_irq_restore+0x53/0x53 [ 538.447181] ? __save_stack_trace+0x7e/0xd0 [ 538.451519] should_fail+0x8c0/0xa40 [ 538.455251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 538.460363] ? kasan_kmalloc+0xad/0xe0 [ 538.464264] ? kmem_cache_alloc_trace+0x136/0x740 [ 538.469115] ? __memcg_init_list_lru_node+0x169/0x270 [ 538.474309] ? __list_lru_init+0x544/0x750 [ 538.478549] ? sget_userns+0x6b1/0xe40 [ 538.482448] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 538.487209] ? kern_mount_data+0x50/0xb0 [ 538.491276] ? pid_ns_prepare_proc+0x1e/0x80 [ 538.495684] ? alloc_pid+0x87e/0xa00 [ 538.499407] ? copy_process.part.38+0x2516/0x4bd0 [ 538.504257] ? _do_fork+0x1f7/0xf70 [ 538.507884] ? SyS_clone+0x37/0x50 [ 538.511434] ? find_held_lock+0x35/0x1d0 [ 538.515505] ? __lock_is_held+0xb6/0x140 [ 538.519580] ? check_same_owner+0x320/0x320 [ 538.523923] ? rcu_note_context_switch+0x710/0x710 [ 538.528863] should_failslab+0xec/0x120 [ 538.532858] kmem_cache_alloc_trace+0x4b/0x740 [ 538.537446] ? __kmalloc_node+0x33/0x70 [ 538.541425] ? __kmalloc_node+0x33/0x70 [ 538.545410] ? rcu_read_lock_sched_held+0x108/0x120 [ 538.550448] __memcg_init_list_lru_node+0x169/0x270 [ 538.555480] ? list_lru_add+0x7c0/0x7c0 [ 538.559461] ? __kmalloc_node+0x47/0x70 [ 538.563449] __list_lru_init+0x544/0x750 [ 538.567520] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 538.573426] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 538.578461] ? lockdep_init_map+0x9/0x10 [ 538.582532] sget_userns+0x6b1/0xe40 [ 538.586254] ? set_anon_super+0x20/0x20 [ 538.590234] ? put_filp+0x90/0x90 [ 538.593689] ? destroy_unused_super.part.6+0xd0/0xd0 [ 538.598808] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 538.603851] ? save_stack+0xa3/0xd0 [ 538.607487] ? save_stack+0x43/0xd0 [ 538.611119] ? kasan_slab_alloc+0x12/0x20 [ 538.615274] ? kmem_cache_alloc+0x12e/0x760 [ 538.619594] ? alloc_pid+0xc1/0xa00 [ 538.623223] ? __radix_tree_replace+0x1af/0x310 [ 538.627894] ? radix_tree_delete+0x30/0x30 [ 538.632131] ? node_tag_clear+0xf2/0x180 [ 538.636206] ? proc_get_inode+0x620/0x620 [ 538.640345] mount_ns+0x6d/0x190 [ 538.643707] proc_mount+0x7a/0x90 [ 538.647154] mount_fs+0x66/0x2d0 [ 538.650516] vfs_kern_mount.part.26+0xc6/0x4a0 [ 538.655093] ? may_umount+0xa0/0xa0 [ 538.658708] ? idr_alloc_cyclic+0x1d6/0x320 [ 538.663021] ? do_raw_spin_trylock+0x190/0x190 [ 538.667593] ? idr_alloc+0x180/0x180 [ 538.671301] kern_mount_data+0x50/0xb0 [ 538.675188] pid_ns_prepare_proc+0x1e/0x80 [ 538.679422] alloc_pid+0x87e/0xa00 [ 538.682958] ? __change_pid+0x400/0x400 [ 538.686923] ? ns_capable_common+0xcf/0x160 [ 538.691244] ? memset+0x31/0x40 [ 538.694504] ? copy_thread_tls+0x268/0x8f0 [ 538.698719] copy_process.part.38+0x2516/0x4bd0 [ 538.703380] ? __cleanup_sighand+0x40/0x40 [ 538.707597] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 538.712764] ? __lock_acquire+0x664/0x3e00 [ 538.716983] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 538.722160] ? environ_open+0x80/0x80 [ 538.725948] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 538.731125] ? __lock_acquire+0x664/0x3e00 [ 538.735351] ? mntput_no_expire+0x130/0xa90 [ 538.739673] ? print_irqtrace_events+0x270/0x270 [ 538.744421] ? trace_hardirqs_off+0x10/0x10 [ 538.748756] ? lock_acquire+0x1d5/0x580 [ 538.752724] ? trace_hardirqs_off+0x10/0x10 [ 538.757044] ? trace_hardirqs_off+0x10/0x10 [ 538.761369] ? __lock_acquire+0x664/0x3e00 [ 538.765604] ? check_same_owner+0x320/0x320 [ 538.769924] ? find_held_lock+0x35/0x1d0 [ 538.774240] ? _parse_integer+0xe9/0x140 [ 538.778289] ? trace_hardirqs_off+0x10/0x10 [ 538.782600] ? _parse_integer+0x140/0x140 [ 538.786735] ? trace_hardirqs_off+0x10/0x10 [ 538.791045] ? get_pid_task+0x93/0x140 [ 538.795019] ? lock_downgrade+0x980/0x980 [ 538.799154] ? find_held_lock+0x35/0x1d0 [ 538.803196] ? __f_unlock_pos+0x19/0x20 [ 538.807148] ? lock_downgrade+0x980/0x980 [ 538.811270] ? get_pid_task+0xbc/0x140 [ 538.815137] ? proc_fail_nth_write+0x9b/0x1d0 [ 538.819609] ? map_files_get_link+0x3a0/0x3a0 [ 538.824079] ? handle_mm_fault+0x35b/0xb10 [ 538.828291] _do_fork+0x1f7/0xf70 [ 538.831818] ? fork_idle+0x2d0/0x2d0 [ 538.835507] ? wait_for_completion+0x770/0x770 [ 538.840091] ? __lock_is_held+0xb6/0x140 [ 538.844134] ? __sb_end_write+0xa0/0xd0 [ 538.848085] ? fput+0xd2/0x140 [ 538.851434] ? SyS_write+0x184/0x220 [ 538.855142] ? SyS_read+0x220/0x220 [ 538.858745] SyS_clone+0x37/0x50 [ 538.862086] ? sys_vfork+0x30/0x30 [ 538.865607] do_syscall_64+0x281/0x940 [ 538.869472] ? vmalloc_sync_all+0x30/0x30 [ 538.873594] ? _raw_spin_unlock_irq+0x27/0x70 [ 538.878067] ? finish_task_switch+0x1c1/0x7e0 [ 538.882629] ? syscall_return_slowpath+0x550/0x550 [ 538.887541] ? syscall_return_slowpath+0x2ac/0x550 [ 538.892450] ? prepare_exit_to_usermode+0x350/0x350 [ 538.897449] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 538.902801] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 538.907627] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 538.912805] RIP: 0033:0x454e79 [ 538.916061] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 538.923747] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 538.930993] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 538.938507] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 538.945754] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 538.953012] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000027 2018/03/30 21:41:21 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(0xffffffffffffffff, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:21 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x0) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:21 executing program 7: mkdir(&(0x7f0000639000)='./file0\x00', 0x0) r0 = creat(&(0x7f0000139000)='./file0/bus\x00', 0x0) unshare(0x40600) fchmod(r0, 0x0) r1 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r1, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r2 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r2, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r3 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r3, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r3, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000300)={r4, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r3, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r2, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r3, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r2, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r2, 0x80045301, &(0x7f0000000340)) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r4}, 0x20) 2018/03/30 21:41:21 executing program 3: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) listxattr(&(0x7f0000000740)='./file0\x00', &(0x7f0000000c40)=""/162, 0xa2) 2018/03/30 21:41:21 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x0, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800), &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:21 executing program 4 (fault-call:10 fault-nth:40): r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(0xffffffffffffffff, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:21 executing program 1: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="84d5aef1603cb020c5b219faa757913ec85ee74a155e1d635566777b78600bc65bf01ce33de9a6bc3a2041890df0926f2cfc2a7d63690f6b55610593773041755f61b034e3a62a770855b2c0481df219efbfa8ffd0c665434a1de026bcfb654d597ef77a7b231aa9efe45c53811c7591d56f69e9c6231e6da993bbd2a6133805be0c18ba114cfe865e693024a56c3331b93c03e25927a504d27acebf7eecd33d7c69359e3ca37dc546c4fc5bc62596a94cdc00f9b973616a9d2ebad2d9b3e60261ae73b8397694e1f0851475b4236fb47989e6bfd1ad926a01523df3f689dc2603a76b5fc5e023d5449d066d424d1001fee5d653c21fdb751e95ff2b", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:21 executing program 0: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x1a) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) r4 = syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0xfffffffffffffff7, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x40000000, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) shutdown(r4, 0x0) r5 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r5, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:21 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(0xffffffffffffffff, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 539.093871] FAULT_INJECTION: forcing a failure. [ 539.093871] name failslab, interval 1, probability 0, space 0, times 0 [ 539.105686] CPU: 0 PID: 3533 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 539.112967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 539.122328] Call Trace: [ 539.124925] dump_stack+0x194/0x24d [ 539.128560] ? arch_local_irq_restore+0x53/0x53 [ 539.133251] ? find_held_lock+0x35/0x1d0 [ 539.137333] should_fail+0x8c0/0xa40 [ 539.141051] ? __list_lru_init+0x352/0x750 [ 539.145297] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 539.150407] ? trace_hardirqs_off+0x10/0x10 [ 539.154752] ? find_first_zero_bit+0x93/0xe0 [ 539.159170] ? trace_hardirqs_off+0x10/0x10 [ 539.163490] ? find_held_lock+0x35/0x1d0 [ 539.167546] ? __lock_is_held+0xb6/0x140 [ 539.171614] ? check_same_owner+0x320/0x320 [ 539.174540] IPVS: ftp: loaded support on port[0] = 21 [ 539.176282] ? lock_downgrade+0x980/0x980 [ 539.176315] ? rcu_note_context_switch+0x710/0x710 [ 539.176325] ? find_held_lock+0x35/0x1d0 [ 539.176339] should_failslab+0xec/0x120 [ 539.198516] __kmalloc+0x63/0x760 [ 539.201949] ? lock_downgrade+0x980/0x980 [ 539.206075] ? register_shrinker+0x10e/0x2d0 [ 539.210459] ? trace_event_raw_event_module_request+0x320/0x320 [ 539.216495] register_shrinker+0x10e/0x2d0 [ 539.220707] ? prepare_kswapd_sleep+0x1f0/0x1f0 [ 539.225354] ? memcpy+0x45/0x50 [ 539.228612] sget_userns+0xbbf/0xe40 [ 539.232303] ? set_anon_super+0x20/0x20 [ 539.236259] ? put_filp+0x90/0x90 [ 539.239689] ? destroy_unused_super.part.6+0xd0/0xd0 [ 539.244770] ? __alloc_pages_slowpath+0x2d10/0x2d10 [ 539.249777] ? save_stack+0xa3/0xd0 [ 539.253383] ? save_stack+0x43/0xd0 [ 539.256994] ? kasan_slab_alloc+0x12/0x20 [ 539.261118] ? kmem_cache_alloc+0x12e/0x760 [ 539.265414] ? alloc_pid+0xc1/0xa00 [ 539.269021] ? __radix_tree_replace+0x1af/0x310 [ 539.273665] ? radix_tree_delete+0x30/0x30 [ 539.277875] ? node_tag_clear+0xf2/0x180 [ 539.281918] ? proc_get_inode+0x620/0x620 [ 539.286045] mount_ns+0x6d/0x190 [ 539.289390] proc_mount+0x7a/0x90 [ 539.292820] mount_fs+0x66/0x2d0 [ 539.296169] vfs_kern_mount.part.26+0xc6/0x4a0 [ 539.300731] ? may_umount+0xa0/0xa0 [ 539.304335] ? idr_alloc_cyclic+0x1d6/0x320 [ 539.308648] ? do_raw_spin_trylock+0x190/0x190 [ 539.313212] ? idr_alloc+0x180/0x180 [ 539.317077] kern_mount_data+0x50/0xb0 [ 539.320940] pid_ns_prepare_proc+0x1e/0x80 [ 539.325154] alloc_pid+0x87e/0xa00 [ 539.328683] ? __change_pid+0x400/0x400 [ 539.332637] ? ns_capable_common+0xcf/0x160 [ 539.336943] ? memset+0x31/0x40 [ 539.340214] ? copy_thread_tls+0x268/0x8f0 [ 539.344440] copy_process.part.38+0x2516/0x4bd0 [ 539.349096] ? __cleanup_sighand+0x40/0x40 [ 539.353321] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 539.358670] ? __lock_acquire+0x664/0x3e00 [ 539.362891] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 539.368077] ? environ_open+0x80/0x80 [ 539.371873] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 539.377060] ? __lock_acquire+0x664/0x3e00 [ 539.381297] ? mntput_no_expire+0x130/0xa90 [ 539.385602] ? print_irqtrace_events+0x270/0x270 [ 539.390346] ? trace_hardirqs_off+0x10/0x10 [ 539.394652] ? lock_acquire+0x1d5/0x580 [ 539.398610] ? trace_hardirqs_off+0x10/0x10 [ 539.402911] ? trace_hardirqs_off+0x10/0x10 [ 539.407219] ? __lock_acquire+0x664/0x3e00 [ 539.411434] ? check_same_owner+0x320/0x320 [ 539.415739] ? find_held_lock+0x35/0x1d0 [ 539.419784] ? _parse_integer+0xe9/0x140 [ 539.423826] ? trace_hardirqs_off+0x10/0x10 [ 539.428302] ? _parse_integer+0x140/0x140 [ 539.432437] ? trace_hardirqs_off+0x10/0x10 [ 539.436748] ? get_pid_task+0x93/0x140 [ 539.440617] ? lock_downgrade+0x980/0x980 [ 539.444752] ? find_held_lock+0x35/0x1d0 [ 539.448802] ? __f_unlock_pos+0x19/0x20 [ 539.452754] ? lock_downgrade+0x980/0x980 [ 539.456876] ? get_pid_task+0xbc/0x140 [ 539.460740] ? proc_fail_nth_write+0x9b/0x1d0 [ 539.465213] ? map_files_get_link+0x3a0/0x3a0 [ 539.469686] ? handle_mm_fault+0x35b/0xb10 [ 539.473900] _do_fork+0x1f7/0xf70 [ 539.477342] ? fork_idle+0x2d0/0x2d0 [ 539.481039] ? wait_for_completion+0x770/0x770 [ 539.485608] ? __lock_is_held+0xb6/0x140 [ 539.489654] ? __sb_end_write+0xa0/0xd0 [ 539.493614] ? fput+0xd2/0x140 [ 539.496790] ? SyS_write+0x184/0x220 [ 539.500499] ? SyS_read+0x220/0x220 [ 539.504114] SyS_clone+0x37/0x50 [ 539.507457] ? sys_vfork+0x30/0x30 [ 539.510976] do_syscall_64+0x281/0x940 [ 539.514840] ? vmalloc_sync_all+0x30/0x30 [ 539.518968] ? _raw_spin_unlock_irq+0x27/0x70 [ 539.523441] ? finish_task_switch+0x1c1/0x7e0 [ 539.527920] ? syscall_return_slowpath+0x550/0x550 [ 539.532831] ? syscall_return_slowpath+0x2ac/0x550 [ 539.537740] ? prepare_exit_to_usermode+0x350/0x350 [ 539.542737] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 539.548088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 539.552921] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 539.558089] RIP: 0033:0x454e79 [ 539.561278] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 539.568968] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 539.576213] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 539.583727] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 2018/03/30 21:41:22 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(r2, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x0) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) 2018/03/30 21:41:22 executing program 6: r0 = syz_open_dev$loop(&(0x7f00000003c0)='/dev/loop#\x00', 0x8, 0x0) pwritev(r0, &(0x7f0000000780)=[{&(0x7f0000000400)="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", 0xfc}], 0x1, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000019ffe9)={0xc1}) r2 = accept(0xffffffffffffffff, &(0x7f0000000080)=@can, &(0x7f0000000180)=0x80) ioctl$sock_ipx_SIOCAIPXPRISLT(r2, 0x89e1, &(0x7f0000000280)=0x3f) ioctl$sock_inet_SIOCRTMSG(0xffffffffffffffff, 0x890d, &(0x7f0000000200)={0x80, {0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}, {0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, 0x4e23}, 0x0, 0x7, 0x1, 0x9, 0x9, 0x0, 0x0, 0x0, 0xfffffffffffffff7}) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000ac0)={0x0, @in={{0x2, 0x4e20, @loopback=0x7f000001}}}, &(0x7f00000002c0)=0x84) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000300)={r3, 0x1c9}, 0x8) syz_open_dev$sg(&(0x7f0000000700)='/dev/sg#\x00', 0x0, 0x800) clone(0x2000c100, &(0x7f0000000800)="97bb77038add5df9e9d4f9783b82c55fe59e5c0acdbcfc9bcf92ac0e1f1f3c1959c1d25dfabf3849336c7c85be174d7765b47e113632aea54b87e4d3f2c1db09e6aa4040b43d17308fb7e62e808067da2fff3cfd8e4c038c814bbfc6bc49d8ebc8671d8297e2d34dc61f2d194d2dbb8f59b4c853e0714d3d4bb29d1243fac01c86c8c4dd38daedab3c6ad73a72d3f6dd2684aa82e5285eb82452c9848b7beb8bc513ba8c8973cad0bd5926604846b7f5d0397bb191c3bb6b", &(0x7f00000008c0), &(0x7f0000000900), &(0x7f0000000940)="ed6c04412e782fe395f084741e3d9fe469aebde09acc8f8d8d84d1f00f5573b09acba487077ebb904cb1f3fed55f59d677ce24bbd2a7506df8e1e0d0fc709cb8c9f4ab2aeeeebc5ef879742c1f7628f1862c88b5b0da89acbf43ef12e4839405b6a3430d296fea06d2f3a8356c57ec991e44ee72") ioctl$sock_inet_SIOCSIFNETMASK(0xffffffffffffffff, 0x891c, &(0x7f00000009c0)={'ip6gretap0\x00', {0x2, 0x4e24}}) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000ec6fb0)={{}, {0x80}}) getsockopt$netrom_NETROM_T1(r2, 0x103, 0x1, &(0x7f0000000000), &(0x7f0000000380)=0x4) syz_open_dev$adsp(&(0x7f0000000600)='/dev/adsp#\x00', 0x100000000, 0x80000) clone(0x0, &(0x7f0000000500)="67cdd9994c47c31d325b069924a7064c157c2ec0b5b5dca2feeb7dabef3b7af0d02d559e293faa759f2b3cb12aea360c2d4941e423b0c815ec1450a777614b02496c5c4ce589c4e90b88feb66f42e63227aec8ec983cb70e64ac04da22c97d2b22", &(0x7f0000000580), &(0x7f00000005c0), &(0x7f0000000a00)="29859fdda9a119e54a27f9ec76b4d63a16dc5bbdd38c2fda0e5f4d8f830cd987ec7d3ffc66cf3db8820968fd89a1fba8fe6352a29a27f3b000bcdf238f2c04b358fc831025180e0be313da41de6366c94a1a0f86aaffdf2c039111b55275c054e14819a827fe809225249a01944263a2aec15f64e752e35892b1b8e7ef1e0e9115") ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r1, 0x40a85321, &(0x7f0000000b80)={{0x4, 0x8}, 'port0\x00', 0x80, 0x40, 0x10000, 0x6, 0x2, 0x80, 0x8, 0x0, 0x0, 0x3dec00}) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000340)) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x0, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/sequencer2\x00', 0x222081, 0x0) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000100)=ANY=[@ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f0000000640)=ANY=[@ANYPTR, @ANYPTR]]]) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000000140)={0x5, 0x100000001, 0x0, 0x8, 0x0, 0x7, 0x401, 0x1f, r3}, 0x20) [ 539.590975] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 539.598318] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000028 [ 539.672991] ================================================================== [ 539.681239] BUG: KASAN: use-after-free in alloc_pid+0x9a6/0xa00 [ 539.681271] Read of size 4 at addr ffff8801b56d0088 by task syz-executor4/3533 [ 539.681273] [ 539.681283] CPU: 1 PID: 3533 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #372 [ 539.681287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 539.681291] Call Trace: [ 539.681303] dump_stack+0x194/0x24d [ 539.681313] ? arch_local_irq_restore+0x53/0x53 [ 539.681321] ? show_regs_print_info+0x18/0x18 [ 539.681333] ? may_umount+0xa0/0xa0 [ 539.681340] ? idr_alloc_cyclic+0x1d6/0x320 [ 539.681346] ? alloc_pid+0x9a6/0xa00 [ 539.681358] print_address_description+0x73/0x250 [ 539.681364] ? alloc_pid+0x9a6/0xa00 [ 539.681372] kasan_report+0x23c/0x360 [ 539.681382] __asan_report_load4_noabort+0x14/0x20 [ 539.681388] alloc_pid+0x9a6/0xa00 [ 539.681398] ? __change_pid+0x400/0x400 [ 539.681405] ? ns_capable_common+0xcf/0x160 [ 539.681417] ? memset+0x31/0x40 [ 539.681426] ? copy_thread_tls+0x268/0x8f0 [ 539.681439] copy_process.part.38+0x2516/0x4bd0 [ 539.681453] ? __cleanup_sighand+0x40/0x40 [ 539.681471] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 539.681481] ? __lock_acquire+0x664/0x3e00 [ 539.681489] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 539.681497] ? environ_open+0x80/0x80 [ 539.681512] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 539.681519] ? __lock_acquire+0x664/0x3e00 [ 539.681526] ? mntput_no_expire+0x130/0xa90 [ 539.681535] ? print_irqtrace_events+0x270/0x270 [ 539.681543] ? trace_hardirqs_off+0x10/0x10 [ 539.681555] ? lock_acquire+0x1d5/0x580 [ 539.681563] ? trace_hardirqs_off+0x10/0x10 [ 539.681572] ? trace_hardirqs_off+0x10/0x10 [ 539.681581] ? __lock_acquire+0x664/0x3e00 [ 539.681587] ? check_same_owner+0x320/0x320 [ 539.681598] ? find_held_lock+0x35/0x1d0 [ 539.681610] ? _parse_integer+0xe9/0x140 [ 539.681620] ? trace_hardirqs_off+0x10/0x10 [ 539.681628] ? _parse_integer+0x140/0x140 [ 539.681640] ? trace_hardirqs_off+0x10/0x10 [ 539.681648] ? get_pid_task+0x93/0x140 [ 539.681656] ? lock_downgrade+0x980/0x980 [ 539.681668] ? find_held_lock+0x35/0x1d0 [ 539.681679] ? __f_unlock_pos+0x19/0x20 [ 539.681687] ? lock_downgrade+0x980/0x980 [ 539.681693] ? get_pid_task+0xbc/0x140 [ 539.681701] ? proc_fail_nth_write+0x9b/0x1d0 [ 539.681709] ? map_files_get_link+0x3a0/0x3a0 [ 539.681718] ? handle_mm_fault+0x35b/0xb10 [ 539.681727] _do_fork+0x1f7/0xf70 [ 539.681737] ? fork_idle+0x2d0/0x2d0 [ 539.681745] ? wait_for_completion+0x770/0x770 [ 539.681756] ? __lock_is_held+0xb6/0x140 [ 539.681777] ? __sb_end_write+0xa0/0xd0 [ 539.681785] ? fput+0xd2/0x140 [ 539.681795] ? SyS_write+0x184/0x220 [ 539.681804] ? SyS_read+0x220/0x220 [ 539.681813] SyS_clone+0x37/0x50 [ 539.681819] ? sys_vfork+0x30/0x30 [ 539.681829] do_syscall_64+0x281/0x940 [ 539.681839] ? vmalloc_sync_all+0x30/0x30 [ 539.681846] ? _raw_spin_unlock_irq+0x27/0x70 [ 539.681853] ? finish_task_switch+0x1c1/0x7e0 [ 539.681861] ? syscall_return_slowpath+0x550/0x550 [ 539.681869] ? syscall_return_slowpath+0x2ac/0x550 [ 539.681878] ? prepare_exit_to_usermode+0x350/0x350 [ 539.681887] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 539.681897] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 539.681909] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 539.681915] RIP: 0033:0x454e79 [ 539.681920] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 539.681928] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 539.681933] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 539.681937] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 539.681941] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 539.681946] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000028 [ 539.681957] [ 539.681961] Allocated by task 3533: [ 539.681968] save_stack+0x43/0xd0 [ 539.681974] kasan_kmalloc+0xad/0xe0 [ 539.681980] kasan_slab_alloc+0x12/0x20 [ 539.681986] kmem_cache_alloc+0x12e/0x760 [ 539.681995] copy_pid_ns+0x257/0xc60 [ 539.682002] create_new_namespaces+0x307/0x880 [ 539.682008] copy_namespaces+0x340/0x400 [ 539.682014] copy_process.part.38+0x2380/0x4bd0 [ 539.682019] _do_fork+0x1f7/0xf70 [ 539.682024] SyS_clone+0x37/0x50 [ 539.682030] do_syscall_64+0x281/0x940 [ 539.682037] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 539.682039] [ 539.682042] Freed by task 3539: [ 539.682048] save_stack+0x43/0xd0 [ 539.682055] __kasan_slab_free+0x11a/0x170 [ 539.682061] kasan_slab_free+0xe/0x10 [ 539.682066] kmem_cache_free+0x83/0x2a0 [ 539.682073] delayed_free_pidns+0x82/0xb0 [ 539.682080] rcu_process_callbacks+0xd6c/0x17f0 [ 539.682086] __do_softirq+0x2d7/0xb85 [ 539.682088] [ 539.682093] The buggy address belongs to the object at ffff8801b56d0040 [ 539.682093] which belongs to the cache pid_namespace of size 240 [ 539.682099] The buggy address is located 72 bytes inside of [ 539.682099] 240-byte region [ffff8801b56d0040, ffff8801b56d0130) [ 539.682102] The buggy address belongs to the page: [ 539.682109] page:ffffea0006d5b400 count:1 mapcount:0 mapping:ffff8801b56d0040 index:0x0 [ 539.682116] flags: 0x2fffc0000000100(slab) [ 539.682126] raw: 02fffc0000000100 ffff8801b56d0040 0000000000000000 000000010000000d [ 539.682134] raw: ffffea00074458a0 ffffea00073389e0 ffff8801d40b2c00 0000000000000000 [ 539.682138] page dumped because: kasan: bad access detected [ 539.682140] [ 539.682143] Memory state around the buggy address: [ 539.682149] ffff8801b56cff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 539.682154] ffff8801b56d0000: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 539.682160] >ffff8801b56d0080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 539.682162] ^ [ 539.682168] ffff8801b56d0100: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fb fb [ 539.682173] ffff8801b56d0180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 539.682176] ================================================================== [ 539.682179] Disabling lock debugging due to kernel taint [ 539.682183] Kernel panic - not syncing: panic_on_warn set ... [ 539.682183] [ 539.682189] CPU: 1 PID: 3533 Comm: syz-executor4 Tainted: G B 4.16.0-rc7+ #372 [ 539.682193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 539.682195] Call Trace: [ 539.682202] dump_stack+0x194/0x24d [ 539.682209] ? arch_local_irq_restore+0x53/0x53 [ 539.682215] ? kasan_end_report+0x32/0x50 [ 539.682222] ? lock_downgrade+0x980/0x980 [ 539.682230] ? vsnprintf+0x1ed/0x1900 [ 539.682235] ? alloc_pid+0x980/0xa00 [ 539.682241] panic+0x1e4/0x41c [ 539.682247] ? refcount_error_report+0x214/0x214 [ 539.682255] ? add_taint+0x40/0x50 [ 539.682260] ? add_taint+0x1c/0x50 [ 539.682266] ? alloc_pid+0x9a6/0xa00 [ 539.682273] kasan_end_report+0x50/0x50 [ 539.682279] kasan_report+0x149/0x360 [ 539.682288] __asan_report_load4_noabort+0x14/0x20 [ 539.682293] alloc_pid+0x9a6/0xa00 [ 539.682300] ? __change_pid+0x400/0x400 [ 539.682305] ? ns_capable_common+0xcf/0x160 [ 539.682314] ? memset+0x31/0x40 [ 539.682320] ? copy_thread_tls+0x268/0x8f0 [ 539.682328] copy_process.part.38+0x2516/0x4bd0 [ 539.682338] ? __cleanup_sighand+0x40/0x40 [ 539.682350] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 539.682358] ? __lock_acquire+0x664/0x3e00 [ 539.682365] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 539.682371] ? environ_open+0x80/0x80 [ 539.682382] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 539.682388] ? __lock_acquire+0x664/0x3e00 [ 539.682395] ? mntput_no_expire+0x130/0xa90 [ 539.682403] ? print_irqtrace_events+0x270/0x270 [ 539.682409] ? trace_hardirqs_off+0x10/0x10 [ 539.682418] ? lock_acquire+0x1d5/0x580 [ 539.682425] ? trace_hardirqs_off+0x10/0x10 [ 539.682432] ? trace_hardirqs_off+0x10/0x10 [ 539.682440] ? __lock_acquire+0x664/0x3e00 [ 539.682446] ? check_same_owner+0x320/0x320 [ 539.682454] ? find_held_lock+0x35/0x1d0 [ 539.682462] ? _parse_integer+0xe9/0x140 [ 539.682470] ? trace_hardirqs_off+0x10/0x10 [ 539.682476] ? _parse_integer+0x140/0x140 [ 539.682485] ? trace_hardirqs_off+0x10/0x10 [ 539.682492] ? get_pid_task+0x93/0x140 [ 539.682499] ? lock_downgrade+0x980/0x980 [ 539.682507] ? find_held_lock+0x35/0x1d0 [ 539.682516] ? __f_unlock_pos+0x19/0x20 [ 539.682523] ? lock_downgrade+0x980/0x980 [ 539.682528] ? get_pid_task+0xbc/0x140 [ 539.682535] ? proc_fail_nth_write+0x9b/0x1d0 [ 539.682541] ? map_files_get_link+0x3a0/0x3a0 [ 539.682548] ? handle_mm_fault+0x35b/0xb10 [ 539.682555] _do_fork+0x1f7/0xf70 [ 539.682562] ? fork_idle+0x2d0/0x2d0 [ 539.682569] ? wait_for_completion+0x770/0x770 [ 539.682577] ? __lock_is_held+0xb6/0x140 [ 539.682587] ? __sb_end_write+0xa0/0xd0 [ 539.682594] ? fput+0xd2/0x140 [ 539.682600] ? SyS_write+0x184/0x220 [ 539.682608] ? SyS_read+0x220/0x220 [ 539.682615] SyS_clone+0x37/0x50 [ 539.682620] ? sys_vfork+0x30/0x30 [ 539.682627] do_syscall_64+0x281/0x940 [ 539.682633] ? vmalloc_sync_all+0x30/0x30 [ 539.682639] ? _raw_spin_unlock_irq+0x27/0x70 [ 539.682645] ? finish_task_switch+0x1c1/0x7e0 [ 539.682652] ? syscall_return_slowpath+0x550/0x550 [ 539.682659] ? syscall_return_slowpath+0x2ac/0x550 [ 539.682666] ? prepare_exit_to_usermode+0x350/0x350 [ 539.682674] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 539.682682] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 539.682692] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 539.682696] RIP: 0033:0x454e79 [ 539.682699] RSP: 002b:00007f6165b9ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 539.682705] RAX: ffffffffffffffda RBX: 00007f6165b9b6d4 RCX: 0000000000454e79 [ 539.682709] RDX: 00000000200008c0 RSI: 0000000020000800 RDI: 000000002000c100 [ 539.682713] RBP: 000000000072bea0 R08: 0000000020000940 R09: 0000000000000000 [ 539.682717] R10: 0000000020000900 R11: 0000000000000246 R12: 0000000000000015 [ 539.682720] R13: 0000000000000051 R14: 00000000006f2838 R15: 0000000000000028 [ 540.755534] Shutting down cpus with NMI [ 540.755992] Dumping ftrace buffer: [ 540.755997] (ftrace buffer empty) [ 540.756001] Kernel Offset: disabled [ 541.699675] Rebooting in 86400 seconds..