d9f, 0x0) 20:06:20 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 529.119903] block nbd0: Receive control failed (result -32) [ 529.121737] block nbd4: shutting down sockets [ 529.127960] block nbd0: shutting down sockets [ 529.145455] block nbd3: Receive control failed (result -32) [ 529.152444] block nbd3: shutting down sockets 20:06:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:20 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 529.301715] audit: type=1804 audit(1625688380.180:198): pid=25352 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/489/cgroup.controllers" dev="sda1" ino=14276 res=1 20:06:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:20 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x10, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:21 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 530.060003] block nbd3: Receive control failed (result -32) [ 530.062018] block nbd3: shutting down sockets [ 530.068534] block nbd0: Receive control failed (result -32) [ 530.077180] block nbd0: shutting down sockets [ 530.081965] block nbd4: Receive control failed (result -32) [ 530.088347] block nbd4: shutting down sockets 20:06:21 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, 0x0, 0x0, 0xd9f, 0x0) 20:06:21 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 530.227605] audit: type=1804 audit(1625688381.110:199): pid=25407 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/490/cgroup.controllers" dev="sda1" ino=14112 res=1 20:06:21 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x10, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 530.485377] block nbd2: shutting down sockets 20:06:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x10, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 530.652318] block nbd2: shutting down sockets [ 530.696167] audit: type=1804 audit(1625688381.580:200): pid=25461 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/491/cgroup.controllers" dev="sda1" ino=14257 res=1 20:06:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:21 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, 0xffffffffffffffff, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:21 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, 0x0) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 531.017866] block nbd0: Receive control failed (result -32) [ 531.018422] block nbd0: shutting down sockets [ 531.028859] block nbd4: Receive control failed (result -32) [ 531.029018] block nbd4: shutting down sockets 20:06:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 531.147430] block nbd2: shutting down sockets 20:06:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:22 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, 0xffffffffffffffff, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 531.180880] audit: type=1804 audit(1625688382.060:201): pid=25479 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/492/cgroup.controllers" dev="sda1" ino=14337 res=1 [ 531.181406] block nbd4: shutting down sockets 20:06:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:22 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, 0xffffffffffffffff, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 531.374310] block nbd2: shutting down sockets [ 531.585973] block nbd4: shutting down sockets 20:06:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:22 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:22 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:22 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, 0x0) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 531.919523] block nbd0: Receive control failed (result -32) [ 531.925986] block nbd0: shutting down sockets [ 532.007580] block nbd2: shutting down sockets 20:06:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:22 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:22 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 532.059495] audit: type=1804 audit(1625688382.940:202): pid=25531 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/493/cgroup.controllers" dev="sda1" ino=14241 res=1 [ 532.086451] block nbd4: shutting down sockets 20:06:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 532.152526] block nbd2: shutting down sockets 20:06:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:23 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 20:06:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:23 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:23 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, 0x0) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 532.313935] block nbd4: shutting down sockets 20:06:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:23 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, 0x0, 0x0, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 532.508759] block nbd4: shutting down sockets [ 532.521469] audit: type=1804 audit(1625688383.410:203): pid=25580 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/494/cgroup.controllers" dev="sda1" ino=14385 res=1 20:06:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 532.570097] block nbd3: shutting down sockets 20:06:23 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 532.677937] block nbd4: shutting down sockets [ 532.722550] block nbd3: shutting down sockets 20:06:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:24 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, 0x0, 0x0, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:24 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 20:06:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:24 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, 0x0, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 533.123731] block nbd2: Receive control failed (result -32) [ 533.123858] block nbd2: shutting down sockets 20:06:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 533.222102] block nbd3: shutting down sockets 20:06:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:24 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, 0x0, 0x0, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 533.280894] audit: type=1804 audit(1625688384.160:204): pid=25613 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/495/cgroup.controllers" dev="sda1" ino=14143 res=1 20:06:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:24 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:24 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 533.452731] block nbd3: shutting down sockets 20:06:24 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0x0, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:24 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 533.603817] block nbd3: shutting down sockets 20:06:25 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 20:06:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:25 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, 0x0, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:25 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:25 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0x0, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 534.084732] block nbd2: Receive control failed (result -32) [ 534.086440] block nbd2: shutting down sockets 20:06:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 534.235500] block nbd3: shutting down sockets 20:06:25 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0x0, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:25 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 534.271140] audit: type=1804 audit(1625688385.150:205): pid=25675 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/496/cgroup.controllers" dev="sda1" ino=14785 res=1 20:06:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 534.504585] block nbd0: shutting down sockets 20:06:25 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:25 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, 0x0, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:25 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 535.038613] block nbd2: Receive control failed (result -32) [ 535.039028] block nbd2: shutting down sockets 20:06:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 535.162525] block nbd0: shutting down sockets 20:06:26 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, 0x0, 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 535.262068] block nbd3: Receive control failed (result -32) [ 535.268180] block nbd3: shutting down sockets [ 535.274418] audit: type=1804 audit(1625688386.160:206): pid=25727 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/497/cgroup.controllers" dev="sda1" ino=14578 res=1 20:06:26 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 535.382987] block nbd0: shutting down sockets 20:06:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 535.421444] block nbd2: shutting down sockets 20:06:26 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 20:06:26 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:26 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, 0x0, 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 535.565838] block nbd0: shutting down sockets 20:06:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:26 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, 0x0, 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 535.753386] audit: type=1804 audit(1625688386.640:207): pid=25767 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/498/cgroup.controllers" dev="sda1" ino=14497 res=1 [ 535.758531] block nbd0: shutting down sockets [ 535.792491] block nbd2: shutting down sockets 20:06:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:26 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 535.972149] block nbd0: shutting down sockets [ 536.129420] audit: type=1804 audit(1625688387.010:208): pid=25793 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/499/cgroup.controllers" dev="sda1" ino=14545 res=1 20:06:27 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 20:06:27 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 536.280655] block nbd3: Receive control failed (result -32) [ 536.287095] block nbd3: shutting down sockets 20:06:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 20:06:27 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) 20:06:27 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, 0xffffffffffffffff, 0x0) 20:06:27 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 536.375342] block nbd4: Receive control failed (result -32) [ 536.381908] block nbd4: shutting down sockets 20:06:27 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) 20:06:27 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) [ 536.613911] audit: type=1804 audit(1625688387.500:209): pid=25827 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/500/cgroup.controllers" dev="sda1" ino=15091 res=1 20:06:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:27 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 536.849060] block nbd5: shutting down sockets 20:06:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:27 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, 0xffffffffffffffff, 0x0) [ 536.953463] block nbd5: shutting down sockets [ 537.017247] audit: type=1804 audit(1625688387.900:210): pid=25847 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/501/cgroup.controllers" dev="sda1" ino=15091 res=1 20:06:28 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 537.184263] block nbd0: Receive control failed (result -32) [ 537.190910] block nbd0: shutting down sockets [ 537.200396] block nbd3: Receive control failed (result -32) [ 537.207278] block nbd3: shutting down sockets [ 537.262927] block nbd2: Receive control failed (result -32) [ 537.271947] block nbd2: shutting down sockets [ 537.275486] block nbd4: Receive control failed (result -32) [ 537.283081] block nbd4: shutting down sockets 20:06:28 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, 0xffffffffffffffff, 0x0) 20:06:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 20:06:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:28 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) 20:06:28 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 537.756337] audit: type=1804 audit(1625688388.640:211): pid=25892 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/502/cgroup.controllers" dev="sda1" ino=14993 res=1 20:06:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 537.849694] block nbd5: Receive control failed (result -32) [ 537.855966] block nbd5: shutting down sockets 20:06:28 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), 0x0, 0x0, 0xa, &(0x7f0000000600)=[{&(0x7f0000000100)="45a4f95c125550a36800235eff19768a27e6cd899cf178199e236abfe1b0254e", 0x20, 0x2}, {&(0x7f00000001c0), 0x0, 0x100}, {&(0x7f0000000200)="7c11d9849c2c5ff2c1759cc41e6c006d0d6048cea60672c38d1ec9a0b1fcece3", 0x20, 0x9}, {&(0x7f0000000240)="ab674e58930a8ed596c4b2c0f42092175d37dd30f059c154a23cd101d3d3724031", 0x21, 0x1200000000000}, {&(0x7f0000000280)="127b6525688ef167eb6005099b5028f60f014b5d7f068438e9e0f9130c8510718e93062333c1dbc437024e49e34e09fd7f615726b621b3ff6598ed945c450fbfe7b69a33fab6ebb59cfa700cdfe7f5cf50884e40c9d795b1ee516f555abd5886be639f550bbcd17050daa581da0cb2b491962f8940fb19aec7077b4a5834fac4bdb2b3da14824c5ab5126e287c4b3413f5e13b12a03e81cc927dec008478c707fe4900b3982a57", 0xa7, 0xffffffffffffff00}, {&(0x7f0000000340)="047bbe1527941db2f0a2f42b1d19d68daecd15452e1d0275dc2f9df14304d8efcb4af05e2de3a536bc98fad31571a85527c94bc03a83c7bcb1ca0250a85c24e0092e5ef31d9b90b07e381b691acedb06f5f6ad5bfe10631e5d45eab3bf0b20c32affdae250842ae572679ab41e7d42c1ab1907a16774adf531319fd1490d14379f45fe20a08bb9", 0x87, 0x8}, {&(0x7f0000000400)="680fed4ef144064141e5b49b8b3661ad01c2c27cf2d1d7a726569595d9bcccdeee599b25d04dbd194c0f0a18e6556794cafb4f5bfb9268ad5e2fe54abcccb1902fe1a8126fed0bb6ed0f2d76c9d573850c04fe729237dfc9b491fd7294fced83a8c6c11e09f3adf2430d2545e9465ccba6b6f25eae4bced38b0b31c97e", 0x7d, 0x6}, {&(0x7f0000000480)="28fc8e7fb463a012ebfae45aee78d030740540", 0x13, 0x3}, {&(0x7f00000004c0)="1288a9d24bde9f410295e3c995bbb1705e3c5876dfc3bac3dad9a7317b937a289fd205ec8ff5480d3a2883bfe1f98ba38996dfb48b92230d4dbf8500e37cb2ea20cc6b6992d0054da6dea2f38624638798b4e2cee2ffa2284dcfc306883cbf75680ebfd42cbfd7157dd769ead7cb852a54e84f6ae2c1c03275ae7c7f3eccc83ac009bf7d27e8e481c33f92865b9e3129e5c2edefa5f8a4d7d1f5032c081e256b66d8235e02738ebc6e2ce5607e2f2d0ad6ae0f9138cec991a10a1b85fcc1d30fe433", 0xc2, 0x7}, {&(0x7f00000005c0)="9566ae020a527cf2bdd3301501e8e1885ee0947c7ba0a79fe38a0956476a6a1c3e2466", 0x23, 0x7}], 0x0, &(0x7f0000002040)=ANY=[@ANYBLOB="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", @ANYRESDEC, @ANYBLOB=',smackfstransmute=wlan0\x00,fowner<', @ANYRESDEC=0x0, @ANYBLOB="2c736d61636b6673726f616e30002c646f6e7455e64ea5fad46e00"/38]) [ 538.002890] block nbd5: shutting down sockets 20:06:28 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:29 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), 0x0, 0x0, 0xa, &(0x7f0000000600)=[{&(0x7f0000000100)="45a4f95c125550a36800235eff19768a27e6cd899cf178199e236abfe1b0254e", 0x20, 0x2}, {&(0x7f00000001c0), 0x0, 0x100}, {&(0x7f0000000200)="7c11d9849c2c5ff2c1759cc41e6c006d0d6048cea60672c38d1ec9a0b1fcece3", 0x20, 0x9}, {&(0x7f0000000240)="ab674e58930a8ed596c4b2c0f42092175d37dd30f059c154a23cd101d3d3724031", 0x21, 0x1200000000000}, {&(0x7f0000000280)="127b6525688ef167eb6005099b5028f60f014b5d7f068438e9e0f9130c8510718e93062333c1dbc437024e49e34e09fd7f615726b621b3ff6598ed945c450fbfe7b69a33fab6ebb59cfa700cdfe7f5cf50884e40c9d795b1ee516f555abd5886be639f550bbcd17050daa581da0cb2b491962f8940fb19aec7077b4a5834fac4bdb2b3da14824c5ab5126e287c4b3413f5e13b12a03e81cc927dec008478c707fe4900b3982a57", 0xa7, 0xffffffffffffff00}, {&(0x7f0000000340)="047bbe1527941db2f0a2f42b1d19d68daecd15452e1d0275dc2f9df14304d8efcb4af05e2de3a536bc98fad31571a85527c94bc03a83c7bcb1ca0250a85c24e0092e5ef31d9b90b07e381b691acedb06f5f6ad5bfe10631e5d45eab3bf0b20c32affdae250842ae572679ab41e7d42c1ab1907a16774adf531319fd1490d14379f45fe20a08bb9", 0x87, 0x8}, {&(0x7f0000000400)="680fed4ef144064141e5b49b8b3661ad01c2c27cf2d1d7a726569595d9bcccdeee599b25d04dbd194c0f0a18e6556794cafb4f5bfb9268ad5e2fe54abcccb1902fe1a8126fed0bb6ed0f2d76c9d573850c04fe729237dfc9b491fd7294fced83a8c6c11e09f3adf2430d2545e9465ccba6b6f25eae4bced38b0b31c97e", 0x7d, 0x6}, {&(0x7f0000000480)="28fc8e7fb463a012ebfae45aee78d030740540", 0x13, 0x3}, {&(0x7f00000004c0)="1288a9d24bde9f410295e3c995bbb1705e3c5876dfc3bac3dad9a7317b937a289fd205ec8ff5480d3a2883bfe1f98ba38996dfb48b92230d4dbf8500e37cb2ea20cc6b6992d0054da6dea2f38624638798b4e2cee2ffa2284dcfc306883cbf75680ebfd42cbfd7157dd769ead7cb852a54e84f6ae2c1c03275ae7c7f3eccc83ac009bf7d27e8e481c33f92865b9e3129e5c2edefa5f8a4d7d1f5032c081e256b66d8235e02738ebc6e2ce5607e2f2d0ad6ae0f9138cec991a10a1b85fcc1d30fe433", 0xc2, 0x7}, {&(0x7f00000005c0)="9566ae020a527cf2bdd3301501e8e1885ee0947c7ba0a79fe38a0956476a6a1c3e2466", 0x23, 0x7}], 0x0, &(0x7f0000002040)=ANY=[@ANYBLOB="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", @ANYRESDEC, @ANYBLOB=',smackfstransmute=wlan0\x00,fowner<', @ANYRESDEC=0x0, @ANYBLOB="2c736d61636b6673726f616e30002c646f6e7455e64ea5fad46e00"/38]) [ 538.103730] block nbd0: Receive control failed (result -32) [ 538.109938] block nbd0: shutting down sockets 20:06:29 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 538.184096] block nbd3: Receive control failed (result -32) [ 538.190278] block nbd3: shutting down sockets 20:06:29 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) 20:06:29 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), 0x0, 0x0, 0xa, &(0x7f0000000600)=[{&(0x7f0000000100)="45a4f95c125550a36800235eff19768a27e6cd899cf178199e236abfe1b0254e", 0x20, 0x2}, {&(0x7f00000001c0), 0x0, 0x100}, {&(0x7f0000000200)="7c11d9849c2c5ff2c1759cc41e6c006d0d6048cea60672c38d1ec9a0b1fcece3", 0x20, 0x9}, {&(0x7f0000000240)="ab674e58930a8ed596c4b2c0f42092175d37dd30f059c154a23cd101d3d3724031", 0x21, 0x1200000000000}, {&(0x7f0000000280)="127b6525688ef167eb6005099b5028f60f014b5d7f068438e9e0f9130c8510718e93062333c1dbc437024e49e34e09fd7f615726b621b3ff6598ed945c450fbfe7b69a33fab6ebb59cfa700cdfe7f5cf50884e40c9d795b1ee516f555abd5886be639f550bbcd17050daa581da0cb2b491962f8940fb19aec7077b4a5834fac4bdb2b3da14824c5ab5126e287c4b3413f5e13b12a03e81cc927dec008478c707fe4900b3982a57", 0xa7, 0xffffffffffffff00}, {&(0x7f0000000340)="047bbe1527941db2f0a2f42b1d19d68daecd15452e1d0275dc2f9df14304d8efcb4af05e2de3a536bc98fad31571a85527c94bc03a83c7bcb1ca0250a85c24e0092e5ef31d9b90b07e381b691acedb06f5f6ad5bfe10631e5d45eab3bf0b20c32affdae250842ae572679ab41e7d42c1ab1907a16774adf531319fd1490d14379f45fe20a08bb9", 0x87, 0x8}, {&(0x7f0000000400)="680fed4ef144064141e5b49b8b3661ad01c2c27cf2d1d7a726569595d9bcccdeee599b25d04dbd194c0f0a18e6556794cafb4f5bfb9268ad5e2fe54abcccb1902fe1a8126fed0bb6ed0f2d76c9d573850c04fe729237dfc9b491fd7294fced83a8c6c11e09f3adf2430d2545e9465ccba6b6f25eae4bced38b0b31c97e", 0x7d, 0x6}, {&(0x7f0000000480)="28fc8e7fb463a012ebfae45aee78d030740540", 0x13, 0x3}, {&(0x7f00000004c0)="1288a9d24bde9f410295e3c995bbb1705e3c5876dfc3bac3dad9a7317b937a289fd205ec8ff5480d3a2883bfe1f98ba38996dfb48b92230d4dbf8500e37cb2ea20cc6b6992d0054da6dea2f38624638798b4e2cee2ffa2284dcfc306883cbf75680ebfd42cbfd7157dd769ead7cb852a54e84f6ae2c1c03275ae7c7f3eccc83ac009bf7d27e8e481c33f92865b9e3129e5c2edefa5f8a4d7d1f5032c081e256b66d8235e02738ebc6e2ce5607e2f2d0ad6ae0f9138cec991a10a1b85fcc1d30fe433", 0xc2, 0x7}, {&(0x7f00000005c0)="9566ae020a527cf2bdd3301501e8e1885ee0947c7ba0a79fe38a0956476a6a1c3e2466", 0x23, 0x7}], 0x0, &(0x7f0000002040)=ANY=[@ANYBLOB="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", @ANYRESDEC, @ANYBLOB=',smackfstransmute=wlan0\x00,fowner<', @ANYRESDEC=0x0, @ANYBLOB="2c736d61636b6673726f616e30002c646f6e7455e64ea5fad46e00"/38]) [ 538.214708] audit: type=1804 audit(1625688389.100:212): pid=25916 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/503/cgroup.controllers" dev="sda1" ino=14165 res=1 [ 538.235505] block nbd4: Receive control failed (result -32) [ 538.249533] block nbd4: shutting down sockets 20:06:29 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:29 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) [ 538.469170] block nbd2: Receive control failed (result -32) [ 538.475434] block nbd2: shutting down sockets 20:06:29 executing program 2: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='wlan0\x00', 0x10) connect$inet(r1, &(0x7f0000000180)={0x2, 0x0, @multicast2}, 0x10) sendmmsg(r1, &(0x7f0000007fc0), 0x400000000000070, 0x0) recvmmsg(r1, &(0x7f0000001e40)=[{{&(0x7f00000007c0)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @private2}}}, 0x80, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/124, 0x7c}, {&(0x7f00000001c0)=""/53, 0x35}, {&(0x7f00000008c0)=""/37, 0x25}, {&(0x7f0000000900)=""/246, 0xf6}], 0x4, &(0x7f0000000a40)=""/39, 0x27}, 0x8}, {{&(0x7f0000000a80)=@l2, 0x80, &(0x7f0000001dc0)=[{&(0x7f0000000b00)=""/111, 0x6f}, {&(0x7f0000000b80)=""/15, 0xf}, {&(0x7f0000000bc0)=""/1, 0x1}, {&(0x7f0000000c00)=""/4096, 0x1000}, {&(0x7f0000001c00)=""/87, 0x57}, {&(0x7f0000001c80)=""/225, 0xe1}, {&(0x7f0000001d80)=""/62, 0x3e}], 0x7}, 0xfffffff8}], 0x2, 0x0, 0x0) getpgrp(0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) r3 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r3, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r3}], 0x1, 0x1) poll(&(0x7f0000000700)=[{r0, 0x80}, {r0, 0x3c}, {r3, 0x9030}], 0x3, 0x0) sendto$unix(0xffffffffffffffff, &(0x7f0000000740)="c06a5cf3f917401f705314375036c99883ef6f54699cefef2e", 0x19, 0x8004, &(0x7f0000001f80)=@file={0x1, './file0\x00'}, 0x6e) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0xa, &(0x7f0000000600)=[{&(0x7f0000000100)="45a4f95c125550a36800235eff19768a27e6cd899cf178199e236abfe1b0254e", 0x20, 0x2}, {&(0x7f00000001c0), 0x0, 0x100}, {&(0x7f0000000200)="7c11d9849c2c5ff2c1759cc41e6c006d0d6048cea60672c38d1ec9a0b1fcece3", 0x20, 0x9}, {&(0x7f0000000240)="ab674e58930a8ed596c4b2c0f42092175d37dd30f059c154a23cd101d3d3724031", 0x21, 0x1200000000000}, {&(0x7f0000000280)="127b6525688ef167eb6005099b5028f60f014b5d7f068438e9e0f9130c8510718e93062333c1dbc437024e49e34e09fd7f615726b621b3ff6598ed945c450fbfe7b69a33fab6ebb59cfa700cdfe7f5cf50884e40c9d795b1ee516f555abd5886be639f550bbcd17050daa581da0cb2b491962f8940fb19aec7077b4a5834fac4bdb2b3da14824c5ab5126e287c4b3413f5e13b12a03e81cc927dec008478c707fe4900b3982a57", 0xa7, 0xffffffffffffff00}, {&(0x7f0000000340)="047bbe1527941db2f0a2f42b1d19d68daecd15452e1d0275dc2f9df14304d8efcb4af05e2de3a536bc98fad31571a85527c94bc03a83c7bcb1ca0250a85c24e0092e5ef31d9b90b07e381b691acedb06f5f6ad5bfe10631e5d45eab3bf0b20c32affdae250842ae572679ab41e7d42c1ab1907a16774adf531319fd1490d14379f45fe20a08bb9", 0x87, 0x8}, {&(0x7f0000000400)="680fed4ef144064141e5b49b8b3661ad01c2c27cf2d1d7a726569595d9bcccdeee599b25d04dbd194c0f0a18e6556794cafb4f5bfb9268ad5e2fe54abcccb1902fe1a8126fed0bb6ed0f2d76c9d573850c04fe729237dfc9b491fd7294fced83a8c6c11e09f3adf2430d2545e9465ccba6b6f25eae4bced38b0b31c97e", 0x7d, 0x6}, {&(0x7f0000000480)="28fc8e7fb463a012ebfae45aee78d030740540", 0x13, 0x3}, {&(0x7f00000004c0)="1288a9d24bde9f410295e3c995bbb1705e3c5876dfc3bac3dad9a7317b937a289fd205ec8ff5480d3a2883bfe1f98ba38996dfb48b92230d4dbf8500e37cb2ea20cc6b6992d0054da6dea2f38624638798b4e2cee2ffa2284dcfc306883cbf75680ebfd42cbfd7157dd769ead7cb852a54e84f6ae2c1c03275ae7c7f3eccc83ac009bf7d27e8e481c33f92865b9e3129e5c2edefa5f8a4d7d1f5032c081e256b66d8235e02738ebc6e2ce5607e2f2d0ad6ae0f9138cec991a10a1b85fcc1d30fe433", 0xc2, 0x7}, {&(0x7f00000005c0)="9566ae020a527cf2bdd3301501e8e1885ee0947c7ba0a79fe38a0956476a6a1c3e2466", 0x23, 0x7}], 0x0, &(0x7f0000002040)=ANY=[@ANYBLOB="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", @ANYRESDEC, @ANYBLOB=',smackfstransmute=wlan0\x00,fowner<', @ANYRESDEC=0x0, @ANYBLOB="2c736d61636b6673726f616e30002c646f6e7455e64ea5fad46e00"/38]) 20:06:29 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, 0x0, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 538.755611] audit: type=1804 audit(1625688389.640:213): pid=25955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/504/cgroup.controllers" dev="sda1" ino=14849 res=1 [ 538.850727] befs: Unrecognized mount option "-G" or missing value [ 538.858969] befs: (loop2): cannot parse mount options [ 539.109267] block nbd0: Receive control failed (result -32) [ 539.116414] block nbd0: shutting down sockets 20:06:30 executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='wlan0\x00', 0x10) connect$inet(r1, &(0x7f0000000180)={0x2, 0x0, @multicast2}, 0x10) sendmmsg(r1, &(0x7f0000007fc0), 0x400000000000070, 0x0) recvmmsg(r1, &(0x7f0000001e40)=[{{&(0x7f00000007c0)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @private2}}}, 0x80, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/124, 0x7c}, {&(0x7f00000001c0)=""/53, 0x35}, {&(0x7f00000008c0)=""/37, 0x25}, {&(0x7f0000000900)=""/246, 0xf6}], 0x4, &(0x7f0000000a40)=""/39, 0x27}, 0x8}, {{&(0x7f0000000a80)=@l2, 0x80, &(0x7f0000001dc0)=[{&(0x7f0000000b00)=""/111, 0x6f}, {&(0x7f0000000b80)=""/15, 0xf}, {&(0x7f0000000bc0)=""/1, 0x1}, {&(0x7f0000000c00)=""/4096, 0x1000}, {&(0x7f0000001c00)=""/87, 0x57}, {&(0x7f0000001c80)=""/225, 0xe1}, {&(0x7f0000001d80)=""/62, 0x3e}], 0x7}, 0xfffffff8}], 0x2, 0x0, 0x0) getpgrp(0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) r3 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r3, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r3}], 0x1, 0x1) poll(&(0x7f0000000700)=[{r0, 0x80}, {r0, 0x3c}, {r3, 0x9030}], 0x3, 0x0) sendto$unix(0xffffffffffffffff, &(0x7f0000000740)="c06a5cf3f917401f705314375036c99883ef6f54699cefef2e", 0x19, 0x8004, &(0x7f0000001f80)=@file={0x1, './file0\x00'}, 0x6e) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0xa, &(0x7f0000000600)=[{&(0x7f0000000100)="45a4f95c125550a36800235eff19768a27e6cd899cf178199e236abfe1b0254e", 0x20, 0x2}, {&(0x7f00000001c0), 0x0, 0x100}, {&(0x7f0000000200)="7c11d9849c2c5ff2c1759cc41e6c006d0d6048cea60672c38d1ec9a0b1fcece3", 0x20, 0x9}, {&(0x7f0000000240)="ab674e58930a8ed596c4b2c0f42092175d37dd30f059c154a23cd101d3d3724031", 0x21, 0x1200000000000}, {&(0x7f0000000280)="127b6525688ef167eb6005099b5028f60f014b5d7f068438e9e0f9130c8510718e93062333c1dbc437024e49e34e09fd7f615726b621b3ff6598ed945c450fbfe7b69a33fab6ebb59cfa700cdfe7f5cf50884e40c9d795b1ee516f555abd5886be639f550bbcd17050daa581da0cb2b491962f8940fb19aec7077b4a5834fac4bdb2b3da14824c5ab5126e287c4b3413f5e13b12a03e81cc927dec008478c707fe4900b3982a57", 0xa7, 0xffffffffffffff00}, {&(0x7f0000000340)="047bbe1527941db2f0a2f42b1d19d68daecd15452e1d0275dc2f9df14304d8efcb4af05e2de3a536bc98fad31571a85527c94bc03a83c7bcb1ca0250a85c24e0092e5ef31d9b90b07e381b691acedb06f5f6ad5bfe10631e5d45eab3bf0b20c32affdae250842ae572679ab41e7d42c1ab1907a16774adf531319fd1490d14379f45fe20a08bb9", 0x87, 0x8}, {&(0x7f0000000400)="680fed4ef144064141e5b49b8b3661ad01c2c27cf2d1d7a726569595d9bcccdeee599b25d04dbd194c0f0a18e6556794cafb4f5bfb9268ad5e2fe54abcccb1902fe1a8126fed0bb6ed0f2d76c9d573850c04fe729237dfc9b491fd7294fced83a8c6c11e09f3adf2430d2545e9465ccba6b6f25eae4bced38b0b31c97e", 0x7d, 0x6}, {&(0x7f0000000480)="28fc8e7fb463a012ebfae45aee78d030740540", 0x13, 0x3}, {&(0x7f00000004c0)="1288a9d24bde9f410295e3c995bbb1705e3c5876dfc3bac3dad9a7317b937a289fd205ec8ff5480d3a2883bfe1f98ba38996dfb48b92230d4dbf8500e37cb2ea20cc6b6992d0054da6dea2f38624638798b4e2cee2ffa2284dcfc306883cbf75680ebfd42cbfd7157dd769ead7cb852a54e84f6ae2c1c03275ae7c7f3eccc83ac009bf7d27e8e481c33f92865b9e3129e5c2edefa5f8a4d7d1f5032c081e256b66d8235e02738ebc6e2ce5607e2f2d0ad6ae0f9138cec991a10a1b85fcc1d30fe433", 0xc2, 0x7}, {&(0x7f00000005c0)="9566ae020a527cf2bdd3301501e8e1885ee0947c7ba0a79fe38a0956476a6a1c3e2466", 0x23, 0x7}], 0x0, &(0x7f0000002040)=ANY=[@ANYBLOB="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", @ANYRESDEC, @ANYBLOB=',smackfstransmute=wlan0\x00,fowner<', @ANYRESDEC=0x0, @ANYBLOB="2c736d61636b6673726f616e30002c646f6e7455e64ea5fad46e00"/38]) [ 539.152942] block nbd3: Receive control failed (result -32) [ 539.159918] block nbd3: shutting down sockets 20:06:30 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) [ 539.234380] block nbd4: Receive control failed (result -32) [ 539.241211] block nbd4: shutting down sockets 20:06:30 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 539.282401] block nbd5: Receive control failed (result -32) [ 539.301984] block nbd5: shutting down sockets 20:06:30 executing program 5: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='wlan0\x00', 0x10) connect$inet(r1, &(0x7f0000000180)={0x2, 0x0, @multicast2}, 0x10) sendmmsg(r1, &(0x7f0000007fc0), 0x400000000000070, 0x0) recvmmsg(r1, &(0x7f0000001e40)=[{{&(0x7f00000007c0)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @private2}}}, 0x80, &(0x7f0000000a00)=[{&(0x7f0000000840)=""/124, 0x7c}, {&(0x7f00000001c0)=""/53, 0x35}, {&(0x7f00000008c0)=""/37, 0x25}, {&(0x7f0000000900)=""/246, 0xf6}], 0x4, &(0x7f0000000a40)=""/39, 0x27}, 0x8}, {{&(0x7f0000000a80)=@l2, 0x80, &(0x7f0000001dc0)=[{&(0x7f0000000b00)=""/111, 0x6f}, {&(0x7f0000000b80)=""/15, 0xf}, {&(0x7f0000000bc0)=""/1, 0x1}, {&(0x7f0000000c00)=""/4096, 0x1000}, {&(0x7f0000001c00)=""/87, 0x57}, {&(0x7f0000001c80)=""/225, 0xe1}, {&(0x7f0000001d80)=""/62, 0x3e}], 0x7}, 0xfffffff8}], 0x2, 0x0, 0x0) getpgrp(0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) r3 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r3, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r3}], 0x1, 0x1) poll(&(0x7f0000000700)=[{r0, 0x80}, {r0, 0x3c}, {r3, 0x9030}], 0x3, 0x0) sendto$unix(0xffffffffffffffff, &(0x7f0000000740)="c06a5cf3f917401f705314375036c99883ef6f54699cefef2e", 0x19, 0x8004, &(0x7f0000001f80)=@file={0x1, './file0\x00'}, 0x6e) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0xa, &(0x7f0000000600)=[{&(0x7f0000000100)="45a4f95c125550a36800235eff19768a27e6cd899cf178199e236abfe1b0254e", 0x20, 0x2}, {&(0x7f00000001c0), 0x0, 0x100}, {&(0x7f0000000200)="7c11d9849c2c5ff2c1759cc41e6c006d0d6048cea60672c38d1ec9a0b1fcece3", 0x20, 0x9}, {&(0x7f0000000240)="ab674e58930a8ed596c4b2c0f42092175d37dd30f059c154a23cd101d3d3724031", 0x21, 0x1200000000000}, {&(0x7f0000000280)="127b6525688ef167eb6005099b5028f60f014b5d7f068438e9e0f9130c8510718e93062333c1dbc437024e49e34e09fd7f615726b621b3ff6598ed945c450fbfe7b69a33fab6ebb59cfa700cdfe7f5cf50884e40c9d795b1ee516f555abd5886be639f550bbcd17050daa581da0cb2b491962f8940fb19aec7077b4a5834fac4bdb2b3da14824c5ab5126e287c4b3413f5e13b12a03e81cc927dec008478c707fe4900b3982a57", 0xa7, 0xffffffffffffff00}, {&(0x7f0000000340)="047bbe1527941db2f0a2f42b1d19d68daecd15452e1d0275dc2f9df14304d8efcb4af05e2de3a536bc98fad31571a85527c94bc03a83c7bcb1ca0250a85c24e0092e5ef31d9b90b07e381b691acedb06f5f6ad5bfe10631e5d45eab3bf0b20c32affdae250842ae572679ab41e7d42c1ab1907a16774adf531319fd1490d14379f45fe20a08bb9", 0x87, 0x8}, {&(0x7f0000000400)="680fed4ef144064141e5b49b8b3661ad01c2c27cf2d1d7a726569595d9bcccdeee599b25d04dbd194c0f0a18e6556794cafb4f5bfb9268ad5e2fe54abcccb1902fe1a8126fed0bb6ed0f2d76c9d573850c04fe729237dfc9b491fd7294fced83a8c6c11e09f3adf2430d2545e9465ccba6b6f25eae4bced38b0b31c97e", 0x7d, 0x6}, {&(0x7f0000000480)="28fc8e7fb463a012ebfae45aee78d030740540", 0x13, 0x3}, {&(0x7f00000004c0)="1288a9d24bde9f410295e3c995bbb1705e3c5876dfc3bac3dad9a7317b937a289fd205ec8ff5480d3a2883bfe1f98ba38996dfb48b92230d4dbf8500e37cb2ea20cc6b6992d0054da6dea2f38624638798b4e2cee2ffa2284dcfc306883cbf75680ebfd42cbfd7157dd769ead7cb852a54e84f6ae2c1c03275ae7c7f3eccc83ac009bf7d27e8e481c33f92865b9e3129e5c2edefa5f8a4d7d1f5032c081e256b66d8235e02738ebc6e2ce5607e2f2d0ad6ae0f9138cec991a10a1b85fcc1d30fe433", 0xc2, 0x7}, {&(0x7f00000005c0)="9566ae020a527cf2bdd3301501e8e1885ee0947c7ba0a79fe38a0956476a6a1c3e2466", 0x23, 0x7}], 0x0, &(0x7f0000002040)=ANY=[@ANYBLOB="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", @ANYRESDEC, @ANYBLOB=',smackfstransmute=wlan0\x00,fowner<', @ANYRESDEC=0x0, @ANYBLOB="2c736d61636b6673726f616e30002c646f6e7455e64ea5fad46e00"/38]) 20:06:30 executing program 2: bind$inet(0xffffffffffffffff, 0x0, 0x0) ioctl$sock_SIOCGIFVLAN_SET_VLAN_EGRESS_PRIORITY_CMD(0xffffffffffffffff, 0x8982, 0x0) connect$inet(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x4e21, @multicast2}, 0x10) r0 = creat(&(0x7f0000000140)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x46802) io_setup(0x1, &(0x7f0000000180)) r1 = creat(&(0x7f0000000100)='./bus\x00', 0x0) r2 = open(&(0x7f0000000780)='./bus\x00', 0x14507e, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x7ffffe, 0x4002011, r2, 0x0) fallocate(r1, 0x0, 0x0, 0x1000f4) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) socket$l2tp(0x2, 0x2, 0x73) syz_genetlink_get_family_id$nl80211(&(0x7f0000000240), r3) 20:06:30 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, 0x0, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 539.600306] audit: type=1800 audit(1625688390.480:214): pid=25990 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=14158 res=0 20:06:30 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r4 = syz_open_dev$vcsu(&(0x7f0000000100), 0x1ff, 0x141) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x70, 0x0, 0x400, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r1}, {0x8, 0x1, r1}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r6}, {0x8, 0x1, r1}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000001}, 0xc000) [ 539.762446] audit: type=1800 audit(1625688390.480:215): pid=25990 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=14158 res=0 [ 539.828805] audit: type=1804 audit(1625688390.670:216): pid=25995 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/505/cgroup.controllers" dev="sda1" ino=14930 res=1 [ 539.881346] befs: Unrecognized mount option "-G" or missing value [ 539.890146] befs: (loop5): cannot parse mount options 20:06:30 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, 0x0, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:30 executing program 0: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f0000001e80)=ANY=[@ANYBLOB="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"], &(0x7f0000000140)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0xfffffffffffffe89}, 0x48) r2 = socket$kcm(0x11, 0x200000000000002, 0x300) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f0000000040)=r1, 0x4) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r3, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r5 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r5, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r5}], 0x1, 0x1) fcntl$dupfd(r5, 0x406, r0) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r8 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r8, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r7, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r6, r4, 0x0, 0x100000002) [ 540.120856] audit: type=1804 audit(1625688391.000:217): pid=26009 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/506/cgroup.controllers" dev="sda1" ino=14164 res=1 [ 540.160101] block nbd3: Receive control failed (result -32) [ 540.166521] block nbd3: shutting down sockets 20:06:31 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) [ 540.240278] block nbd4: Receive control failed (result -32) [ 540.246815] block nbd4: shutting down sockets 20:06:31 executing program 5: bind$inet(0xffffffffffffffff, 0x0, 0x0) ioctl$sock_SIOCGIFVLAN_SET_VLAN_EGRESS_PRIORITY_CMD(0xffffffffffffffff, 0x8982, 0x0) connect$inet(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x4e21, @multicast2}, 0x10) r0 = creat(&(0x7f0000000140)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x46802) io_setup(0x1, &(0x7f0000000180)) r1 = creat(&(0x7f0000000100)='./bus\x00', 0x0) r2 = open(&(0x7f0000000780)='./bus\x00', 0x14507e, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x7ffffe, 0x4002011, r2, 0x0) fallocate(r1, 0x0, 0x0, 0x1000f4) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) open(0x0, 0x14000, 0x14) r4 = socket$l2tp(0x2, 0x2, 0x73) preadv(r4, &(0x7f0000000500)=[{&(0x7f0000000440)=""/91, 0x5b}, {&(0x7f00000004c0)=""/29, 0x1d}, {&(0x7f0000000580)=""/143, 0x8f}, {&(0x7f0000000640)=""/96, 0x60}], 0x4, 0x4, 0x1000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000240), r3) 20:06:31 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 540.271024] audit: type=1804 audit(1625688391.100:218): pid=26012 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir413161889/syzkaller.mH5L8m/552/cgroup.controllers" dev="sda1" ino=14133 res=1 [ 540.394875] audit: type=1800 audit(1625688391.280:219): pid=26026 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="bus" dev="sda1" ino=14166 res=0 20:06:31 executing program 0 (fault-call:5 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:31 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x0, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 540.476444] audit: type=1800 audit(1625688391.300:220): pid=26026 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="bus" dev="sda1" ino=14166 res=0 20:06:31 executing program 5 (fault-call:5 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 540.552616] FAULT_INJECTION: forcing a failure. [ 540.552616] name failslab, interval 1, probability 0, space 0, times 1 [ 540.572277] CPU: 1 PID: 26035 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 540.580199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 540.589564] Call Trace: [ 540.592202] dump_stack+0x1fc/0x2ef [ 540.595850] should_fail.cold+0xa/0xf [ 540.599674] ? setup_fault_attr+0x200/0x200 [ 540.604100] ? lock_acquire+0x170/0x3c0 [ 540.608099] __should_failslab+0x115/0x180 [ 540.612353] should_failslab+0x5/0x10 [ 540.616169] __kmalloc+0x2ab/0x3c0 [ 540.619848] ? __alloc_workqueue_key+0x789/0xed0 [ 540.624625] ? lock_acquire+0x170/0x3c0 [ 540.628644] __alloc_workqueue_key+0x789/0xed0 [ 540.633255] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 540.638316] ? nbd_ioctl+0x151/0xbe0 [ 540.642048] ? mutex_trylock+0x1a0/0x1a0 [ 540.646130] ? apparmor_sb_mount+0x970/0x970 [ 540.650571] nbd_start_device+0x183/0xd60 [ 540.654737] ? security_capable+0x8f/0xc0 [ 540.661640] nbd_ioctl+0x62c/0xbe0 [ 540.665303] ? _copy_from_user+0xd2/0x130 [ 540.669489] ? nbd_disconnect_and_put+0x190/0x190 [ 540.674364] ? __lock_acquire+0x6de/0x3ff0 [ 540.678625] ? nbd_disconnect_and_put+0x190/0x190 [ 540.683778] blkdev_ioctl+0x5cb/0x1a80 [ 540.684671] block nbd2: shutting down sockets [ 540.687706] ? blkpg_ioctl+0x9d0/0x9d0 [ 540.687726] ? perf_trace_lock_acquire+0x530/0x530 [ 540.687738] ? perf_trace_lock+0xe2/0x4b0 [ 540.687756] ? perf_trace_lock_acquire+0x530/0x530 [ 540.687783] ? perf_trace_lock+0xe2/0x4b0 [ 540.714922] block_ioctl+0xe9/0x130 [ 540.716806] audit: type=1804 audit(1625688391.460:221): pid=26038 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/507/cgroup.controllers" dev="sda1" ino=14156 res=1 [ 540.719032] ? blkdev_fallocate+0x3f0/0x3f0 [ 540.749178] do_vfs_ioctl+0xcdb/0x12e0 [ 540.753446] ? lock_downgrade+0x720/0x720 [ 540.757636] ? check_preemption_disabled+0x41/0x280 [ 540.762685] ? ioctl_preallocate+0x200/0x200 [ 540.767151] ? __fget+0x356/0x510 [ 540.771255] ? do_dup2+0x450/0x450 [ 540.774876] ? vfs_write+0x393/0x540 [ 540.778624] ? fput+0x2b/0x190 [ 540.781942] ksys_ioctl+0x9b/0xc0 [ 540.785433] __x64_sys_ioctl+0x6f/0xb0 [ 540.789353] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 540.793992] do_syscall_64+0xf9/0x620 [ 540.797834] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 540.803047] RIP: 0033:0x4665d9 [ 540.806260] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 540.825617] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 540.833387] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 540.840681] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 540.847989] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 540.855278] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 540.862577] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 540.879123] block nbd0: Could not allocate knbd recv work queue. [ 540.885709] block nbd0: shutting down sockets 20:06:31 executing program 2 (fault-call:3 fault-nth:0): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 540.905180] FAULT_INJECTION: forcing a failure. [ 540.905180] name failslab, interval 1, probability 0, space 0, times 0 [ 540.939036] CPU: 1 PID: 26045 Comm: syz-executor.5 Not tainted 4.19.196-syzkaller #0 [ 540.947050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 540.956433] Call Trace: [ 540.959045] dump_stack+0x1fc/0x2ef [ 540.962787] should_fail.cold+0xa/0xf [ 540.966614] ? setup_fault_attr+0x200/0x200 [ 540.970951] ? lock_acquire+0x170/0x3c0 [ 540.975052] __should_failslab+0x115/0x180 [ 540.979321] should_failslab+0x5/0x10 [ 540.983187] __kmalloc+0x2ab/0x3c0 [ 540.986780] ? __alloc_workqueue_key+0x789/0xed0 [ 540.991679] ? lock_acquire+0x170/0x3c0 [ 540.995800] __alloc_workqueue_key+0x789/0xed0 [ 541.000423] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 541.005471] ? nbd_ioctl+0x151/0xbe0 [ 541.009211] ? mutex_trylock+0x1a0/0x1a0 [ 541.013334] ? apparmor_sb_mount+0x970/0x970 [ 541.017814] nbd_start_device+0x183/0xd60 [ 541.021988] ? security_capable+0x8f/0xc0 [ 541.026253] nbd_ioctl+0x62c/0xbe0 [ 541.029857] ? _copy_from_user+0xd2/0x130 [ 541.034026] ? nbd_disconnect_and_put+0x190/0x190 [ 541.038897] ? __lock_acquire+0x6de/0x3ff0 [ 541.043159] ? nbd_disconnect_and_put+0x190/0x190 [ 541.048074] blkdev_ioctl+0x5cb/0x1a80 [ 541.051986] ? blkpg_ioctl+0x9d0/0x9d0 [ 541.055897] ? perf_trace_lock_acquire+0x530/0x530 [ 541.060854] ? perf_trace_lock+0xe2/0x4b0 [ 541.065078] ? perf_trace_lock_acquire+0x530/0x530 [ 541.070047] ? perf_trace_lock+0xe2/0x4b0 [ 541.074245] block_ioctl+0xe9/0x130 [ 541.077896] ? blkdev_fallocate+0x3f0/0x3f0 [ 541.079736] FAULT_INJECTION: forcing a failure. [ 541.079736] name failslab, interval 1, probability 0, space 0, times 0 [ 541.082243] do_vfs_ioctl+0xcdb/0x12e0 [ 541.082262] ? lock_downgrade+0x720/0x720 [ 541.082278] ? check_preemption_disabled+0x41/0x280 [ 541.082295] ? ioctl_preallocate+0x200/0x200 [ 541.082313] ? __fget+0x356/0x510 [ 541.082328] ? do_dup2+0x450/0x450 [ 541.082340] ? vfs_write+0x393/0x540 [ 541.082362] ? fput+0x2b/0x190 [ 541.082383] ksys_ioctl+0x9b/0xc0 [ 541.082399] __x64_sys_ioctl+0x6f/0xb0 [ 541.082413] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 541.082428] do_syscall_64+0xf9/0x620 [ 541.082449] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 541.082461] RIP: 0033:0x4665d9 [ 541.082477] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 541.082484] RSP: 002b:00007fe68fcd2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 541.082510] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 541.184136] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 541.191431] RBP: 00007fe68fcd21d0 R08: 0000000000000000 R09: 0000000000000000 [ 541.198715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 20:06:32 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x0, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 541.206106] R13: 00007fff397bd64f R14: 00007fe68fcd2300 R15: 0000000000022000 [ 541.213500] CPU: 0 PID: 26051 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 541.221412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 541.231153] Call Trace: [ 541.233761] dump_stack+0x1fc/0x2ef [ 541.237395] should_fail.cold+0xa/0xf [ 541.241202] ? setup_fault_attr+0x200/0x200 [ 541.245555] ? lock_acquire+0x170/0x3c0 [ 541.249540] __should_failslab+0x115/0x180 [ 541.253783] should_failslab+0x5/0x10 [ 541.257580] __kmalloc+0x2ab/0x3c0 [ 541.261206] ? __se_sys_memfd_create+0xf8/0x440 [ 541.265912] __se_sys_memfd_create+0xf8/0x440 [ 541.270430] ? memfd_file_seals_ptr+0x150/0x150 [ 541.275106] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 541.280491] ? trace_hardirqs_off_caller+0x6e/0x210 [ 541.285513] ? do_syscall_64+0x21/0x620 [ 541.289488] do_syscall_64+0xf9/0x620 [ 541.293309] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 541.298674] RIP: 0033:0x4665d9 [ 541.301870] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 541.320878] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 541.328788] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004665d9 [ 541.336062] RDX: 00007f76a76a9000 RSI: 0000000000000000 RDI: 00000000004bee66 [ 541.343354] RBP: 0000000000000000 R08: 00007f76a76a8ff8 R09: ffffffffffffffff 20:06:32 executing program 0 (fault-call:5 fault-nth:1): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 541.350651] R10: 00007f76a76a8ffc R11: 0000000000000246 R12: 0000000000000000 [ 541.357948] R13: 00000000200000c0 R14: 0000000000000000 R15: 0000000000000000 [ 541.373403] block nbd4: Receive control failed (result -32) [ 541.380007] block nbd4: shutting down sockets 20:06:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:32 executing program 3 (fault-call:5 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 541.429826] block nbd3: Receive control failed (result -32) [ 541.429997] block nbd3: shutting down sockets [ 541.441092] block nbd5: Could not allocate knbd recv work queue. [ 541.468158] block nbd5: shutting down sockets [ 541.503635] FAULT_INJECTION: forcing a failure. [ 541.503635] name failslab, interval 1, probability 0, space 0, times 0 [ 541.541823] CPU: 1 PID: 26057 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 541.549748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 541.559115] Call Trace: [ 541.561723] dump_stack+0x1fc/0x2ef [ 541.565375] should_fail.cold+0xa/0xf [ 541.569205] ? setup_fault_attr+0x200/0x200 [ 541.573560] ? lock_acquire+0x170/0x3c0 [ 541.577561] __should_failslab+0x115/0x180 [ 541.581816] should_failslab+0x5/0x10 [ 541.585628] kmem_cache_alloc_trace+0x284/0x380 [ 541.590316] __alloc_workqueue_key+0x7de/0xed0 [ 541.594922] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 541.599998] ? nbd_ioctl+0x151/0xbe0 [ 541.603725] ? mutex_trylock+0x1a0/0x1a0 [ 541.607807] ? apparmor_sb_mount+0x970/0x970 [ 541.612248] nbd_start_device+0x183/0xd60 [ 541.616425] ? security_capable+0x8f/0xc0 [ 541.620601] nbd_ioctl+0x62c/0xbe0 [ 541.624166] ? _copy_from_user+0xd2/0x130 [ 541.628387] ? nbd_disconnect_and_put+0x190/0x190 [ 541.633281] ? __lock_acquire+0x6de/0x3ff0 [ 541.637568] ? nbd_disconnect_and_put+0x190/0x190 [ 541.642604] blkdev_ioctl+0x5cb/0x1a80 [ 541.646509] ? blkpg_ioctl+0x9d0/0x9d0 [ 541.650480] ? perf_trace_lock_acquire+0x530/0x530 [ 541.655433] ? perf_trace_lock+0xe2/0x4b0 [ 541.659603] ? perf_trace_lock_acquire+0x530/0x530 [ 541.664734] ? perf_trace_lock+0xe2/0x4b0 [ 541.669003] block_ioctl+0xe9/0x130 [ 541.672733] ? blkdev_fallocate+0x3f0/0x3f0 [ 541.677123] do_vfs_ioctl+0xcdb/0x12e0 [ 541.681036] ? lock_downgrade+0x720/0x720 [ 541.685211] ? check_preemption_disabled+0x41/0x280 [ 541.690386] ? ioctl_preallocate+0x200/0x200 [ 541.694818] ? __fget+0x356/0x510 [ 541.698305] ? do_dup2+0x450/0x450 20:06:32 executing program 5 (fault-call:5 fault-nth:1): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:32 executing program 2 (fault-call:3 fault-nth:1): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:32 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x0, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 541.701878] ? vfs_write+0x393/0x540 [ 541.705606] ? fput+0x2b/0x190 [ 541.708819] ksys_ioctl+0x9b/0xc0 [ 541.712288] __x64_sys_ioctl+0x6f/0xb0 [ 541.716190] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 541.720899] do_syscall_64+0xf9/0x620 [ 541.724848] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 541.730046] RIP: 0033:0x4665d9 [ 541.733251] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 20:06:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 541.752252] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 541.759984] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 541.767452] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 541.774733] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 541.782038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 541.789321] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 541.811779] FAULT_INJECTION: forcing a failure. [ 541.811779] name failslab, interval 1, probability 0, space 0, times 0 [ 541.823647] FAULT_INJECTION: forcing a failure. [ 541.823647] name failslab, interval 1, probability 0, space 0, times 0 20:06:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 541.857185] FAULT_INJECTION: forcing a failure. [ 541.857185] name failslab, interval 1, probability 0, space 0, times 0 [ 541.874200] audit: type=1804 audit(1625688392.760:222): pid=26085 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/509/cgroup.controllers" dev="sda1" ino=14164 res=1 [ 541.899107] block nbd0: Could not allocate knbd recv work queue. [ 541.903079] CPU: 0 PID: 26076 Comm: syz-executor.5 Not tainted 4.19.196-syzkaller #0 [ 541.914521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 541.919833] block nbd0: shutting down sockets [ 541.923977] Call Trace: [ 541.924005] dump_stack+0x1fc/0x2ef [ 541.924026] should_fail.cold+0xa/0xf [ 541.924043] ? setup_fault_attr+0x200/0x200 [ 541.924058] ? lock_acquire+0x170/0x3c0 [ 541.924083] __should_failslab+0x115/0x180 [ 541.924101] should_failslab+0x5/0x10 20:06:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 541.924115] kmem_cache_alloc_trace+0x284/0x380 [ 541.924135] __alloc_workqueue_key+0x7de/0xed0 [ 541.924147] ? do_raw_spin_unlock+0x171/0x230 [ 541.924160] ? _raw_spin_unlock+0x29/0x40 [ 541.924177] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 541.924211] ? nbd_ioctl+0x151/0xbe0 [ 541.981695] ? mutex_trylock+0x1a0/0x1a0 [ 541.985778] nbd_start_device+0x183/0xd60 [ 541.990129] ? security_capable+0x8f/0xc0 [ 541.994304] nbd_ioctl+0x62c/0xbe0 [ 541.997853] ? _copy_from_user+0xd2/0x130 [ 542.002007] ? nbd_disconnect_and_put+0x190/0x190 [ 542.006865] ? __lock_acquire+0x6de/0x3ff0 [ 542.011107] ? nbd_disconnect_and_put+0x190/0x190 [ 542.015962] blkdev_ioctl+0x5cb/0x1a80 [ 542.019862] ? blkpg_ioctl+0x9d0/0x9d0 [ 542.023774] ? perf_trace_lock_acquire+0x530/0x530 [ 542.028718] ? perf_trace_lock+0xe2/0x4b0 [ 542.032883] ? perf_trace_lock_acquire+0x530/0x530 [ 542.037836] ? perf_trace_lock+0xe2/0x4b0 [ 542.042009] block_ioctl+0xe9/0x130 [ 542.045639] ? blkdev_fallocate+0x3f0/0x3f0 [ 542.049985] do_vfs_ioctl+0xcdb/0x12e0 [ 542.053883] ? lock_downgrade+0x720/0x720 [ 542.058057] ? check_preemption_disabled+0x41/0x280 [ 542.063119] ? ioctl_preallocate+0x200/0x200 [ 542.067552] ? __fget+0x356/0x510 [ 542.071053] ? do_dup2+0x450/0x450 [ 542.074664] ? vfs_write+0x393/0x540 [ 542.078414] ? fput+0x2b/0x190 [ 542.081641] ksys_ioctl+0x9b/0xc0 [ 542.085220] __x64_sys_ioctl+0x6f/0xb0 [ 542.089133] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 542.093760] do_syscall_64+0xf9/0x620 [ 542.097587] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 542.102789] RIP: 0033:0x4665d9 [ 542.106023] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 542.125194] RSP: 002b:00007fe68fcb1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 542.132918] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 542.140203] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 542.147599] RBP: 00007fe68fcb11d0 R08: 0000000000000000 R09: 0000000000000000 [ 542.154902] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 542.162189] R13: 00007fff397bd64f R14: 00007fe68fcb1300 R15: 0000000000022000 [ 542.169816] CPU: 1 PID: 26083 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 542.177745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 542.180537] block nbd5: Could not allocate knbd recv work queue. [ 542.187109] Call Trace: [ 542.187136] dump_stack+0x1fc/0x2ef [ 542.187158] should_fail.cold+0xa/0xf [ 542.187177] ? setup_fault_attr+0x200/0x200 [ 542.187193] ? lock_acquire+0x170/0x3c0 [ 542.187213] __should_failslab+0x115/0x180 [ 542.187230] should_failslab+0x5/0x10 [ 542.187244] kmem_cache_alloc+0x277/0x370 [ 542.187265] ? shmem_destroy_callback+0xb0/0xb0 [ 542.193741] block nbd5: shutting down sockets [ 542.195988] shmem_alloc_inode+0x18/0x40 [ 542.196006] ? shmem_destroy_callback+0xb0/0xb0 [ 542.196022] alloc_inode+0x5d/0x180 [ 542.196036] new_inode+0x1d/0xf0 [ 542.196051] shmem_get_inode+0x96/0x8d0 [ 542.196072] __shmem_file_setup.part.0+0x7a/0x2b0 [ 542.258176] shmem_file_setup+0x61/0x90 [ 542.262240] __se_sys_memfd_create+0x26b/0x440 [ 542.266874] ? memfd_file_seals_ptr+0x150/0x150 [ 542.271771] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 542.277207] ? trace_hardirqs_off_caller+0x6e/0x210 [ 542.282284] ? do_syscall_64+0x21/0x620 [ 542.286677] do_syscall_64+0xf9/0x620 [ 542.290557] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 542.295800] RIP: 0033:0x4665d9 [ 542.299098] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 542.318755] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 542.326597] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004665d9 [ 542.334674] RDX: 00007f76a76a9000 RSI: 0000000000000000 RDI: 00000000004bee66 [ 542.341979] RBP: 0000000000000000 R08: 00007f76a76a8ff8 R09: ffffffffffffffff [ 542.349533] R10: 00007f76a76a8ffc R11: 0000000000000246 R12: 0000000000000000 20:06:33 executing program 5 (fault-call:5 fault-nth:2): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:33 executing program 0 (fault-call:5 fault-nth:2): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 542.356822] R13: 00000000200000c0 R14: 0000000000000000 R15: 0000000000000000 [ 542.364147] CPU: 0 PID: 26070 Comm: syz-executor.3 Not tainted 4.19.196-syzkaller #0 [ 542.372094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 542.381513] Call Trace: [ 542.384156] dump_stack+0x1fc/0x2ef [ 542.387850] should_fail.cold+0xa/0xf [ 542.391860] ? setup_fault_attr+0x200/0x200 [ 542.396263] ? lock_acquire+0x170/0x3c0 [ 542.400340] __should_failslab+0x115/0x180 [ 542.404640] should_failslab+0x5/0x10 [ 542.408492] __kmalloc+0x2ab/0x3c0 [ 542.412066] ? __alloc_workqueue_key+0x789/0xed0 [ 542.416892] ? __mutex_lock+0x2d8/0x1200 [ 542.421074] __alloc_workqueue_key+0x789/0xed0 [ 542.425687] ? do_raw_spin_unlock+0x171/0x230 [ 542.430244] ? _raw_spin_unlock+0x29/0x40 [ 542.434435] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 542.439541] ? nbd_ioctl+0x151/0xbe0 [ 542.443318] ? mutex_trylock+0x1a0/0x1a0 [ 542.447458] nbd_start_device+0x183/0xd60 [ 542.451660] ? security_capable+0x8f/0xc0 [ 542.455955] nbd_ioctl+0x62c/0xbe0 20:06:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 542.459549] ? _copy_from_user+0xd2/0x130 [ 542.463715] ? nbd_disconnect_and_put+0x190/0x190 [ 542.468687] ? __lock_acquire+0x6de/0x3ff0 [ 542.473068] ? nbd_disconnect_and_put+0x190/0x190 [ 542.477936] blkdev_ioctl+0x5cb/0x1a80 [ 542.481845] ? blkpg_ioctl+0x9d0/0x9d0 [ 542.485754] ? perf_trace_lock_acquire+0x530/0x530 [ 542.490737] ? perf_trace_lock+0xe2/0x4b0 [ 542.494918] ? perf_trace_lock_acquire+0x530/0x530 [ 542.499868] ? perf_trace_lock+0xe2/0x4b0 [ 542.504051] block_ioctl+0xe9/0x130 [ 542.507708] ? blkdev_fallocate+0x3f0/0x3f0 [ 542.512238] do_vfs_ioctl+0xcdb/0x12e0 [ 542.516147] ? lock_downgrade+0x720/0x720 [ 542.520318] ? check_preemption_disabled+0x41/0x280 [ 542.525481] ? ioctl_preallocate+0x200/0x200 [ 542.529960] ? __fget+0x356/0x510 [ 542.533465] ? do_dup2+0x450/0x450 [ 542.537303] ? vfs_write+0x393/0x540 [ 542.541053] ? fput+0x2b/0x190 [ 542.544434] ksys_ioctl+0x9b/0xc0 [ 542.547915] __x64_sys_ioctl+0x6f/0xb0 [ 542.551813] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 542.556408] do_syscall_64+0xf9/0x620 20:06:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 542.560226] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 542.565429] RIP: 0033:0x4665d9 [ 542.568629] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 542.587591] RSP: 002b:00007fcf2333f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 542.595330] RAX: ffffffffffffffda RBX: 000000000056c0f0 RCX: 00000000004665d9 [ 542.602616] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000006 [ 542.609896] RBP: 00007fcf2333f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 542.617178] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 542.624459] R13: 00007ffd441639ef R14: 00007fcf2333f300 R15: 0000000000022000 [ 542.681103] block nbd3: Could not allocate knbd recv work queue. [ 542.695348] FAULT_INJECTION: forcing a failure. [ 542.695348] name failslab, interval 1, probability 0, space 0, times 0 [ 542.707029] block nbd3: shutting down sockets [ 542.721796] CPU: 0 PID: 26099 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 542.729883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 542.739248] Call Trace: [ 542.741894] dump_stack+0x1fc/0x2ef [ 542.745596] should_fail.cold+0xa/0xf [ 542.749437] ? setup_fault_attr+0x200/0x200 [ 542.753786] ? lock_acquire+0x170/0x3c0 [ 542.757806] __should_failslab+0x115/0x180 [ 542.762069] should_failslab+0x5/0x10 [ 542.765915] __kmalloc+0x2ab/0x3c0 [ 542.769507] ? apply_wqattrs_prepare+0xf7/0xa50 [ 542.775346] apply_wqattrs_prepare+0xf7/0xa50 [ 542.779855] apply_workqueue_attrs_locked+0xc5/0x120 [ 542.785138] __alloc_workqueue_key+0x9c4/0xed0 [ 542.789732] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 542.794865] ? nbd_ioctl+0x151/0xbe0 [ 542.798677] ? mutex_trylock+0x1a0/0x1a0 [ 542.802745] ? apparmor_sb_mount+0x970/0x970 [ 542.807188] nbd_start_device+0x183/0xd60 [ 542.811340] ? security_capable+0x8f/0xc0 [ 542.815494] nbd_ioctl+0x62c/0xbe0 [ 542.819254] ? _copy_from_user+0xd2/0x130 [ 542.823405] ? nbd_disconnect_and_put+0x190/0x190 [ 542.828290] ? __lock_acquire+0x6de/0x3ff0 [ 542.832541] ? nbd_disconnect_and_put+0x190/0x190 [ 542.837414] blkdev_ioctl+0x5cb/0x1a80 [ 542.841325] ? blkpg_ioctl+0x9d0/0x9d0 [ 542.845200] ? perf_trace_lock_acquire+0x530/0x530 [ 542.850122] ? perf_trace_lock+0xe2/0x4b0 [ 542.854270] ? perf_trace_lock_acquire+0x530/0x530 [ 542.859194] ? perf_trace_lock+0xe2/0x4b0 [ 542.863348] block_ioctl+0xe9/0x130 [ 542.866977] ? blkdev_fallocate+0x3f0/0x3f0 [ 542.871299] do_vfs_ioctl+0xcdb/0x12e0 [ 542.875190] ? lock_downgrade+0x720/0x720 [ 542.879340] ? check_preemption_disabled+0x41/0x280 [ 542.884528] ? ioctl_preallocate+0x200/0x200 [ 542.888954] ? __fget+0x356/0x510 [ 542.892442] ? do_dup2+0x450/0x450 [ 542.895998] ? vfs_write+0x393/0x540 [ 542.899698] ? fput+0x2b/0x190 [ 542.902896] ksys_ioctl+0x9b/0xc0 [ 542.906347] __x64_sys_ioctl+0x6f/0xb0 [ 542.910255] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 542.914838] do_syscall_64+0xf9/0x620 [ 542.918663] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 542.924024] RIP: 0033:0x4665d9 [ 542.927223] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 542.946134] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 542.953964] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 542.961353] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 542.968637] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 20:06:33 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:33 executing program 2 (fault-call:3 fault-nth:2): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:33 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 542.975935] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 542.983226] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 543.001449] FAULT_INJECTION: forcing a failure. [ 543.001449] name failslab, interval 1, probability 0, space 0, times 0 [ 543.001456] block nbd0: Could not allocate knbd recv work queue. [ 543.001587] block nbd0: shutting down sockets [ 543.054414] FAULT_INJECTION: forcing a failure. [ 543.054414] name failslab, interval 1, probability 0, space 0, times 0 [ 543.058802] CPU: 1 PID: 26103 Comm: syz-executor.5 Not tainted 4.19.196-syzkaller #0 [ 543.073546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 543.082907] Call Trace: [ 543.085520] dump_stack+0x1fc/0x2ef [ 543.089191] should_fail.cold+0xa/0xf [ 543.093008] ? setup_fault_attr+0x200/0x200 [ 543.097358] ? lock_acquire+0x170/0x3c0 [ 543.101350] __should_failslab+0x115/0x180 [ 543.105596] should_failslab+0x5/0x10 [ 543.109398] __kmalloc+0x2ab/0x3c0 [ 543.112944] ? apply_wqattrs_prepare+0xf7/0xa50 [ 543.117631] apply_wqattrs_prepare+0xf7/0xa50 [ 543.122324] apply_workqueue_attrs_locked+0xc5/0x120 [ 543.127624] __alloc_workqueue_key+0x9c4/0xed0 [ 543.132223] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 543.137250] ? nbd_ioctl+0x151/0xbe0 [ 543.140981] ? mutex_trylock+0x1a0/0x1a0 [ 543.145058] ? apparmor_sb_mount+0x970/0x970 [ 543.149482] nbd_start_device+0x183/0xd60 [ 543.153639] ? security_capable+0x8f/0xc0 [ 543.157815] nbd_ioctl+0x62c/0xbe0 [ 543.161367] ? _copy_from_user+0xd2/0x130 [ 543.165546] ? nbd_disconnect_and_put+0x190/0x190 [ 543.170751] ? __lock_acquire+0x6de/0x3ff0 [ 543.175048] ? nbd_disconnect_and_put+0x190/0x190 [ 543.179907] blkdev_ioctl+0x5cb/0x1a80 [ 543.183908] ? blkpg_ioctl+0x9d0/0x9d0 [ 543.187804] ? perf_trace_lock_acquire+0x530/0x530 [ 543.192764] ? perf_trace_lock+0xe2/0x4b0 [ 543.196931] ? perf_trace_lock_acquire+0x530/0x530 [ 543.201873] ? perf_trace_lock+0xe2/0x4b0 [ 543.206118] block_ioctl+0xe9/0x130 [ 543.209850] ? blkdev_fallocate+0x3f0/0x3f0 [ 543.214176] do_vfs_ioctl+0xcdb/0x12e0 [ 543.218069] ? lock_downgrade+0x720/0x720 [ 543.222222] ? check_preemption_disabled+0x41/0x280 [ 543.227241] ? ioctl_preallocate+0x200/0x200 [ 543.231663] ? __fget+0x356/0x510 [ 543.235222] ? do_dup2+0x450/0x450 [ 543.238776] ? vfs_write+0x393/0x540 [ 543.242497] ? fput+0x2b/0x190 [ 543.245865] ksys_ioctl+0x9b/0xc0 [ 543.249359] __x64_sys_ioctl+0x6f/0xb0 [ 543.253305] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 543.257899] do_syscall_64+0xf9/0x620 [ 543.261717] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 543.266941] RIP: 0033:0x4665d9 [ 543.270179] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 543.289287] RSP: 002b:00007fe68fcd2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 543.297051] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 20:06:34 executing program 0 (fault-call:5 fault-nth:3): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 543.304380] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 543.311685] RBP: 00007fe68fcd21d0 R08: 0000000000000000 R09: 0000000000000000 [ 543.318973] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 543.326259] R13: 00007fff397bd64f R14: 00007fe68fcd2300 R15: 0000000000022000 [ 543.333659] CPU: 0 PID: 26113 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 543.341747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 543.351216] Call Trace: [ 543.353826] dump_stack+0x1fc/0x2ef [ 543.357678] should_fail.cold+0xa/0xf [ 543.361516] ? setup_fault_attr+0x200/0x200 [ 543.365893] ? lock_acquire+0x170/0x3c0 [ 543.369899] __should_failslab+0x115/0x180 [ 543.374198] should_failslab+0x5/0x10 [ 543.378024] kmem_cache_alloc+0x277/0x370 [ 543.382293] __d_alloc+0x2b/0xa10 [ 543.385792] d_alloc_pseudo+0x19/0x70 [ 543.389624] alloc_file_pseudo+0xc6/0x250 [ 543.393805] ? alloc_file+0x4d0/0x4d0 [ 543.397677] ? lockdep_annotate_inode_mutex_key+0x43/0x130 [ 543.403325] ? shmem_get_inode+0x44c/0x8d0 [ 543.407591] __shmem_file_setup.part.0+0x102/0x2b0 [ 543.412549] shmem_file_setup+0x61/0x90 [ 543.416578] __se_sys_memfd_create+0x26b/0x440 [ 543.421185] ? memfd_file_seals_ptr+0x150/0x150 [ 543.425895] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 543.431296] ? trace_hardirqs_off_caller+0x6e/0x210 [ 543.436433] ? do_syscall_64+0x21/0x620 [ 543.440488] do_syscall_64+0xf9/0x620 [ 543.444312] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 543.449524] RIP: 0033:0x4665d9 [ 543.452728] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 543.471666] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 543.479411] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004665d9 [ 543.486700] RDX: 00007f76a76a9000 RSI: 0000000000000000 RDI: 00000000004bee66 [ 543.494082] RBP: 0000000000000000 R08: 00007f76a76a8ff8 R09: ffffffffffffffff 20:06:34 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 543.501388] R10: 00007f76a76a8ffc R11: 0000000000000246 R12: 0000000000000000 [ 543.508678] R13: 00000000200000c0 R14: 0000000000000000 R15: 0000000000000000 20:06:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 543.570700] block nbd5: Could not allocate knbd recv work queue. [ 543.578296] FAULT_INJECTION: forcing a failure. [ 543.578296] name failslab, interval 1, probability 0, space 0, times 0 [ 543.595340] block nbd5: shutting down sockets [ 543.598590] CPU: 0 PID: 26125 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 543.607773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 543.617138] Call Trace: [ 543.619790] dump_stack+0x1fc/0x2ef [ 543.623443] should_fail.cold+0xa/0xf [ 543.627262] ? setup_fault_attr+0x200/0x200 [ 543.631596] ? lock_acquire+0x170/0x3c0 [ 543.635591] __should_failslab+0x115/0x180 [ 543.639868] should_failslab+0x5/0x10 [ 543.643678] kmem_cache_alloc_trace+0x284/0x380 [ 543.648364] apply_wqattrs_prepare+0x137/0xa50 [ 543.652982] apply_workqueue_attrs_locked+0xc5/0x120 [ 543.658119] __alloc_workqueue_key+0x9c4/0xed0 [ 543.662753] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 543.667809] ? nbd_ioctl+0x151/0xbe0 [ 543.671542] ? mutex_trylock+0x1a0/0x1a0 [ 543.675627] ? apparmor_sb_mount+0x970/0x970 [ 543.680115] nbd_start_device+0x183/0xd60 [ 543.684297] ? security_capable+0x8f/0xc0 [ 543.688474] nbd_ioctl+0x62c/0xbe0 [ 543.692068] ? _copy_from_user+0xd2/0x130 [ 543.696232] ? nbd_disconnect_and_put+0x190/0x190 [ 543.701196] ? __lock_acquire+0x6de/0x3ff0 [ 543.705455] ? nbd_disconnect_and_put+0x190/0x190 [ 543.710362] blkdev_ioctl+0x5cb/0x1a80 [ 543.714321] ? blkpg_ioctl+0x9d0/0x9d0 [ 543.718234] ? perf_trace_lock_acquire+0x530/0x530 [ 543.723177] ? perf_trace_lock+0xe2/0x4b0 [ 543.727352] ? perf_trace_lock_acquire+0x530/0x530 [ 543.732311] ? perf_trace_lock+0xe2/0x4b0 [ 543.736492] block_ioctl+0xe9/0x130 [ 543.740242] ? blkdev_fallocate+0x3f0/0x3f0 [ 543.744588] do_vfs_ioctl+0xcdb/0x12e0 [ 543.748505] ? lock_downgrade+0x720/0x720 [ 543.753052] ? check_preemption_disabled+0x41/0x280 [ 543.758100] ? ioctl_preallocate+0x200/0x200 [ 543.762536] ? __fget+0x356/0x510 [ 543.766004] ? do_dup2+0x450/0x450 20:06:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:34 executing program 2 (fault-call:3 fault-nth:3): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 543.769555] ? vfs_write+0x393/0x540 [ 543.773289] ? fput+0x2b/0x190 [ 543.776506] ksys_ioctl+0x9b/0xc0 [ 543.779965] __x64_sys_ioctl+0x6f/0xb0 [ 543.783901] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 543.788509] do_syscall_64+0xf9/0x620 [ 543.792330] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 543.797532] RIP: 0033:0x4665d9 [ 543.800737] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 20:06:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 543.819654] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 543.827412] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 543.834702] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 543.842424] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 543.849711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 543.857002] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 20:06:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 543.876086] block nbd3: shutting down sockets [ 543.883566] FAULT_INJECTION: forcing a failure. [ 543.883566] name failslab, interval 1, probability 0, space 0, times 0 [ 543.895602] block nbd0: Could not allocate knbd recv work queue. [ 543.924307] block nbd5: shutting down sockets [ 543.934045] block nbd0: shutting down sockets [ 543.944303] CPU: 0 PID: 26140 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 543.952253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 543.961627] Call Trace: [ 543.964247] dump_stack+0x1fc/0x2ef [ 543.967905] should_fail.cold+0xa/0xf [ 543.971738] ? setup_fault_attr+0x200/0x200 [ 543.976100] ? lock_acquire+0x170/0x3c0 [ 543.980111] __should_failslab+0x115/0x180 [ 543.984393] should_failslab+0x5/0x10 [ 543.988284] kmem_cache_alloc+0x277/0x370 [ 543.992470] __alloc_file+0x21/0x330 [ 543.996232] alloc_empty_file+0x6d/0x170 [ 544.000342] alloc_file+0x5e/0x4d0 [ 544.003951] alloc_file_pseudo+0x165/0x250 [ 544.008317] ? alloc_file+0x4d0/0x4d0 [ 544.012157] ? lockdep_annotate_inode_mutex_key+0x43/0x130 [ 544.017814] ? shmem_get_inode+0x44c/0x8d0 [ 544.022098] __shmem_file_setup.part.0+0x102/0x2b0 [ 544.027068] shmem_file_setup+0x61/0x90 [ 544.031086] __se_sys_memfd_create+0x26b/0x440 [ 544.035696] ? memfd_file_seals_ptr+0x150/0x150 [ 544.040665] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 544.046062] ? trace_hardirqs_off_caller+0x6e/0x210 [ 544.051208] ? do_syscall_64+0x21/0x620 [ 544.055225] do_syscall_64+0xf9/0x620 [ 544.059058] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 544.064272] RIP: 0033:0x4665d9 [ 544.067500] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 544.086513] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 544.094247] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004665d9 [ 544.101543] RDX: 00007f76a76a9000 RSI: 0000000000000000 RDI: 00000000004bee66 [ 544.108926] RBP: 0000000000000000 R08: 00007f76a76a8ff8 R09: ffffffffffffffff [ 544.116229] R10: 00007f76a76a8ffc R11: 0000000000000246 R12: 0000000000000000 20:06:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x2) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x2) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 544.124103] R13: 00000000200000c0 R14: 0000000000000000 R15: 0000000000000000 20:06:35 executing program 0 (fault-call:5 fault-nth:4): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:35 executing program 2 (fault-call:3 fault-nth:4): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 544.233587] block nbd4: shutting down sockets [ 544.238408] block nbd3: shutting down sockets [ 544.245144] block nbd5: shutting down sockets 20:06:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 544.282458] FAULT_INJECTION: forcing a failure. [ 544.282458] name failslab, interval 1, probability 0, space 0, times 0 [ 544.301827] block nbd3: shutting down sockets [ 544.314295] block nbd5: shutting down sockets [ 544.321376] FAULT_INJECTION: forcing a failure. [ 544.321376] name failslab, interval 1, probability 0, space 0, times 0 [ 544.340707] CPU: 1 PID: 26165 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 544.348913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 544.358289] Call Trace: [ 544.360906] dump_stack+0x1fc/0x2ef [ 544.364589] should_fail.cold+0xa/0xf [ 544.368428] ? setup_fault_attr+0x200/0x200 [ 544.372786] ? lock_acquire+0x170/0x3c0 [ 544.376884] __should_failslab+0x115/0x180 [ 544.381146] should_failslab+0x5/0x10 [ 544.385010] kmem_cache_alloc_trace+0x284/0x380 [ 544.389748] apply_wqattrs_prepare+0x1c4/0xa50 [ 544.394364] apply_workqueue_attrs_locked+0xc5/0x120 [ 544.399493] __alloc_workqueue_key+0x9c4/0xed0 [ 544.404105] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 544.409176] ? nbd_ioctl+0x151/0xbe0 [ 544.412908] ? mutex_trylock+0x1a0/0x1a0 [ 544.416989] ? apparmor_sb_mount+0x970/0x970 [ 544.421424] nbd_start_device+0x183/0xd60 [ 544.425583] ? security_capable+0x8f/0xc0 [ 544.429750] nbd_ioctl+0x62c/0xbe0 [ 544.433304] ? _copy_from_user+0xd2/0x130 [ 544.437456] ? nbd_disconnect_and_put+0x190/0x190 [ 544.442397] ? __lock_acquire+0x6de/0x3ff0 [ 544.446751] ? nbd_disconnect_and_put+0x190/0x190 [ 544.451609] blkdev_ioctl+0x5cb/0x1a80 [ 544.455509] ? blkpg_ioctl+0x9d0/0x9d0 [ 544.459406] ? perf_trace_lock_acquire+0x530/0x530 [ 544.464360] ? perf_trace_lock+0xe2/0x4b0 [ 544.468577] ? perf_trace_lock_acquire+0x530/0x530 [ 544.473835] ? perf_trace_lock+0xe2/0x4b0 [ 544.478004] block_ioctl+0xe9/0x130 [ 544.481635] ? blkdev_fallocate+0x3f0/0x3f0 [ 544.485966] do_vfs_ioctl+0xcdb/0x12e0 [ 544.489880] ? lock_downgrade+0x720/0x720 [ 544.494070] ? check_preemption_disabled+0x41/0x280 [ 544.499104] ? ioctl_preallocate+0x200/0x200 [ 544.503563] ? __fget+0x356/0x510 [ 544.507032] ? do_dup2+0x450/0x450 [ 544.510572] ? vfs_write+0x393/0x540 [ 544.514481] ? fput+0x2b/0x190 [ 544.517686] ksys_ioctl+0x9b/0xc0 [ 544.521168] __x64_sys_ioctl+0x6f/0xb0 [ 544.525068] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 544.529754] do_syscall_64+0xf9/0x620 [ 544.533583] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 544.538785] RIP: 0033:0x4665d9 [ 544.541986] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 544.561947] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 544.569681] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 544.576993] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 544.584297] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 544.591581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 544.598860] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 544.606170] CPU: 0 PID: 26171 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 544.614090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 544.623465] Call Trace: [ 544.626074] dump_stack+0x1fc/0x2ef [ 544.629729] should_fail.cold+0xa/0xf [ 544.633557] ? setup_fault_attr+0x200/0x200 [ 544.637928] ? lock_acquire+0x170/0x3c0 [ 544.640238] block nbd0: Could not allocate knbd recv work queue. [ 544.641932] __should_failslab+0x115/0x180 [ 544.641955] should_failslab+0x5/0x10 [ 544.641970] kmem_cache_alloc_trace+0x284/0x380 [ 544.641992] apparmor_file_alloc_security+0x394/0xad0 [ 544.642009] ? apparmor_file_receive+0x160/0x160 [ 544.642026] ? __alloc_file+0x21/0x330 [ 544.642049] security_file_alloc+0x40/0x90 [ 544.642064] __alloc_file+0xc9/0x330 [ 544.642081] alloc_empty_file+0x6d/0x170 [ 544.642102] alloc_file+0x5e/0x4d0 [ 544.654516] block nbd0: shutting down sockets [ 544.656306] alloc_file_pseudo+0x165/0x250 [ 544.656326] ? alloc_file+0x4d0/0x4d0 [ 544.656346] ? lockdep_annotate_inode_mutex_key+0x43/0x130 [ 544.708850] ? shmem_get_inode+0x44c/0x8d0 [ 544.713132] __shmem_file_setup.part.0+0x102/0x2b0 [ 544.718091] shmem_file_setup+0x61/0x90 [ 544.722178] __se_sys_memfd_create+0x26b/0x440 [ 544.726793] ? memfd_file_seals_ptr+0x150/0x150 [ 544.731502] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 544.736894] ? trace_hardirqs_off_caller+0x6e/0x210 [ 544.741936] ? do_syscall_64+0x21/0x620 [ 544.745939] do_syscall_64+0xf9/0x620 [ 544.749761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 544.754964] RIP: 0033:0x4665d9 [ 544.758165] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 544.777077] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 544.785354] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004665d9 20:06:35 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x301) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:35 executing program 0 (fault-call:5 fault-nth:5): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x301) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 544.792732] RDX: 00007f76a76a9000 RSI: 0000000000000000 RDI: 00000000004bee66 [ 544.800108] RBP: 0000000000000000 R08: 00007f76a76a8ff8 R09: ffffffffffffffff [ 544.807398] R10: 00007f76a76a8ffc R11: 0000000000000246 R12: 0000000000000000 [ 544.814699] R13: 00000000200000c0 R14: 0000000000000000 R15: 0000000000000000 [ 544.832892] block nbd4: shutting down sockets 20:06:35 executing program 2 (fault-call:3 fault-nth:5): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:35 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00'}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 544.916681] FAULT_INJECTION: forcing a failure. [ 544.916681] name failslab, interval 1, probability 0, space 0, times 0 [ 544.943082] block nbd5: shutting down sockets [ 544.954590] CPU: 0 PID: 26189 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 544.962617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 544.971992] Call Trace: [ 544.974600] dump_stack+0x1fc/0x2ef [ 544.978255] should_fail.cold+0xa/0xf [ 544.982081] ? setup_fault_attr+0x200/0x200 [ 544.986503] ? lock_acquire+0x170/0x3c0 [ 544.990681] __should_failslab+0x115/0x180 [ 544.994979] should_failslab+0x5/0x10 [ 544.998798] kmem_cache_alloc+0x277/0x370 [ 545.002971] getname_flags+0xce/0x590 [ 545.006799] do_sys_open+0x26c/0x520 [ 545.010537] ? filp_open+0x70/0x70 [ 545.014100] ? check_preemption_disabled+0x41/0x280 [ 545.019141] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 545.024615] ? trace_hardirqs_off_caller+0x6e/0x210 [ 545.029667] ? do_syscall_64+0x21/0x620 [ 545.033692] do_syscall_64+0xf9/0x620 [ 545.037525] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 545.042744] RIP: 0033:0x4196c4 [ 545.045948] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 545.064865] RSP: 002b:00007f76a76a8ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 545.072611] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004196c4 [ 545.079913] RDX: 0000000000000002 RSI: 00007f76a76a9000 RDI: 00000000ffffff9c [ 545.087238] RBP: 00007f76a76a9000 R08: 0000000000000000 R09: ffffffffffffffff [ 545.094618] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 545.095436] block nbd3: shutting down sockets [ 545.101911] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 545.122057] kauditd_printk_skb: 1 callbacks suppressed [ 545.122075] audit: type=1804 audit(1625688396.010:224): pid=26204 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/512/cgroup.controllers" dev="sda1" ino=14196 res=1 [ 545.162054] FAULT_INJECTION: forcing a failure. 20:06:36 executing program 2 (fault-call:3 fault-nth:6): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 545.162054] name failslab, interval 1, probability 0, space 0, times 0 [ 545.189692] block nbd4: shutting down sockets [ 545.194502] block nbd5: shutting down sockets [ 545.214288] CPU: 1 PID: 26198 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 545.221071] FAULT_INJECTION: forcing a failure. [ 545.221071] name failslab, interval 1, probability 0, space 0, times 0 [ 545.222210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 545.222217] Call Trace: [ 545.222239] dump_stack+0x1fc/0x2ef [ 545.222265] should_fail.cold+0xa/0xf [ 545.222286] ? setup_fault_attr+0x200/0x200 [ 545.222304] ? lock_acquire+0x170/0x3c0 [ 545.222330] __should_failslab+0x115/0x180 [ 545.222351] should_failslab+0x5/0x10 [ 545.222368] kmem_cache_alloc_node+0x245/0x3b0 [ 545.222388] alloc_unbound_pwq+0x4a4/0xc10 [ 545.222416] apply_wqattrs_prepare+0x3c0/0xa50 [ 545.222444] apply_workqueue_attrs_locked+0xc5/0x120 [ 545.222464] __alloc_workqueue_key+0x9c4/0xed0 [ 545.222492] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 545.222512] ? nbd_ioctl+0x151/0xbe0 [ 545.222528] ? mutex_trylock+0x1a0/0x1a0 [ 545.222557] nbd_start_device+0x183/0xd60 [ 545.222575] ? security_capable+0x8f/0xc0 [ 545.222598] nbd_ioctl+0x62c/0xbe0 [ 545.222625] ? _copy_from_user+0xd2/0x130 [ 545.321408] ? nbd_disconnect_and_put+0x190/0x190 [ 545.326499] ? __lock_acquire+0x6de/0x3ff0 [ 545.330951] ? nbd_disconnect_and_put+0x190/0x190 [ 545.335817] blkdev_ioctl+0x5cb/0x1a80 [ 545.339731] ? blkpg_ioctl+0x9d0/0x9d0 [ 545.343646] ? perf_trace_lock_acquire+0x530/0x530 [ 545.348600] ? perf_trace_lock+0xe2/0x4b0 [ 545.352774] ? perf_trace_lock_acquire+0x530/0x530 [ 545.357733] ? perf_trace_lock+0xe2/0x4b0 [ 545.361914] block_ioctl+0xe9/0x130 [ 545.365559] ? blkdev_fallocate+0x3f0/0x3f0 [ 545.370023] do_vfs_ioctl+0xcdb/0x12e0 [ 545.374032] ? lock_downgrade+0x720/0x720 [ 545.378203] ? check_preemption_disabled+0x41/0x280 [ 545.383243] ? ioctl_preallocate+0x200/0x200 [ 545.387692] ? __fget+0x356/0x510 [ 545.391167] ? do_dup2+0x450/0x450 [ 545.394928] ? vfs_write+0x393/0x540 [ 545.398681] ? fput+0x2b/0x190 [ 545.401897] ksys_ioctl+0x9b/0xc0 [ 545.405373] __x64_sys_ioctl+0x6f/0xb0 [ 545.409283] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 545.414060] do_syscall_64+0xf9/0x620 [ 545.417884] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 545.423209] RIP: 0033:0x4665d9 [ 545.426414] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 545.446467] RSP: 002b:00007f1a555b9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 545.454197] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 545.461491] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 20:06:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 545.468914] RBP: 00007f1a555b91d0 R08: 0000000000000000 R09: 0000000000000000 [ 545.476326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 545.483614] R13: 00007ffc97a4e28f R14: 00007f1a555b9300 R15: 0000000000022000 [ 545.502100] block nbd3: shutting down sockets [ 545.504431] block nbd0: Could not allocate knbd recv work queue. [ 545.514676] block nbd0: shutting down sockets [ 545.519479] CPU: 1 PID: 26208 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 545.527386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 545.536761] Call Trace: [ 545.539383] dump_stack+0x1fc/0x2ef [ 545.543051] should_fail.cold+0xa/0xf [ 545.546932] ? setup_fault_attr+0x200/0x200 [ 545.551308] ? lock_acquire+0x170/0x3c0 [ 545.555374] __should_failslab+0x115/0x180 [ 545.559648] should_failslab+0x5/0x10 [ 545.563492] kmem_cache_alloc+0x277/0x370 [ 545.567676] __alloc_file+0x21/0x330 [ 545.571468] alloc_empty_file+0x6d/0x170 [ 545.575656] path_openat+0xe9/0x2df0 [ 545.579419] ? __lock_acquire+0x6de/0x3ff0 [ 545.583701] ? current_time+0x6f/0x1c0 [ 545.587616] ? path_lookupat+0x8d0/0x8d0 [ 545.591743] ? perf_trace_lock_acquire+0x530/0x530 [ 545.596705] ? perf_trace_lock+0xe2/0x4b0 [ 545.600881] ? perf_trace_lock+0xe2/0x4b0 [ 545.605064] ? perf_trace_lock_acquire+0x530/0x530 [ 545.610165] do_filp_open+0x18c/0x3f0 [ 545.614028] ? may_open_dev+0xf0/0xf0 [ 545.617951] ? __alloc_fd+0x28d/0x570 [ 545.621875] ? lock_downgrade+0x720/0x720 [ 545.626085] ? lock_acquire+0x170/0x3c0 [ 545.630188] ? __alloc_fd+0x34/0x570 [ 545.633947] ? do_raw_spin_unlock+0x171/0x230 [ 545.638461] ? _raw_spin_unlock+0x29/0x40 [ 545.642718] ? __alloc_fd+0x28d/0x570 [ 545.646560] do_sys_open+0x3b3/0x520 [ 545.650291] ? filp_open+0x70/0x70 [ 545.653865] ? check_preemption_disabled+0x41/0x280 [ 545.658903] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 545.664305] ? trace_hardirqs_off_caller+0x6e/0x210 [ 545.669505] ? do_syscall_64+0x21/0x620 [ 545.673516] do_syscall_64+0xf9/0x620 [ 545.677368] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 545.682578] RIP: 0033:0x4196c4 [ 545.685799] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 545.705296] RSP: 002b:00007f76a76a8ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 545.713059] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004196c4 20:06:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125d) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125d) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:36 executing program 0 (fault-call:5 fault-nth:6): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 545.720342] RDX: 0000000000000002 RSI: 00007f76a76a9000 RDI: 00000000ffffff9c [ 545.727822] RBP: 00007f76a76a9000 R08: 0000000000000000 R09: ffffffffffffffff [ 545.735313] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 545.742601] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 20:06:36 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x1c, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}}, 0x1c}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:36 executing program 2 (fault-call:3 fault-nth:7): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 545.822884] block nbd4: shutting down sockets [ 545.828196] block nbd3: shutting down sockets [ 545.833253] block nbd5: shutting down sockets 20:06:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 545.872160] block nbd5: shutting down sockets [ 545.882565] block nbd3: shutting down sockets [ 545.882752] FAULT_INJECTION: forcing a failure. [ 545.882752] name failslab, interval 1, probability 0, space 0, times 0 20:06:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 545.925348] FAULT_INJECTION: forcing a failure. [ 545.925348] name failslab, interval 1, probability 0, space 0, times 0 [ 545.969156] CPU: 1 PID: 26228 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 545.977085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 545.986455] Call Trace: [ 545.989068] dump_stack+0x1fc/0x2ef [ 545.992823] should_fail.cold+0xa/0xf [ 545.996665] ? setup_fault_attr+0x200/0x200 [ 546.001014] ? lock_acquire+0x170/0x3c0 [ 546.005136] __should_failslab+0x115/0x180 [ 546.009491] should_failslab+0x5/0x10 [ 546.013383] kmem_cache_alloc+0x277/0x370 [ 546.017668] __alloc_file+0x21/0x330 [ 546.021409] alloc_empty_file+0x6d/0x170 [ 546.025550] path_openat+0xe9/0x2df0 [ 546.029306] ? __lock_acquire+0x6de/0x3ff0 [ 546.033576] ? current_time+0x6f/0x1c0 [ 546.037498] ? path_lookupat+0x8d0/0x8d0 [ 546.041684] ? perf_trace_lock_acquire+0x530/0x530 [ 546.046726] ? perf_trace_lock+0xe2/0x4b0 [ 546.050899] ? perf_trace_lock+0xe2/0x4b0 [ 546.055169] ? perf_trace_lock_acquire+0x530/0x530 [ 546.060129] do_filp_open+0x18c/0x3f0 [ 546.063951] ? may_open_dev+0xf0/0xf0 [ 546.067777] ? __alloc_fd+0x28d/0x570 [ 546.071707] ? lock_downgrade+0x720/0x720 [ 546.075892] ? lock_acquire+0x170/0x3c0 [ 546.079909] ? __alloc_fd+0x34/0x570 [ 546.083649] ? do_raw_spin_unlock+0x171/0x230 [ 546.088169] ? _raw_spin_unlock+0x29/0x40 [ 546.092478] ? __alloc_fd+0x28d/0x570 [ 546.096305] do_sys_open+0x3b3/0x520 [ 546.100038] ? filp_open+0x70/0x70 [ 546.103603] ? check_preemption_disabled+0x41/0x280 [ 546.109020] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 546.114587] ? trace_hardirqs_off_caller+0x6e/0x210 [ 546.120018] ? do_syscall_64+0x21/0x620 [ 546.124112] do_syscall_64+0xf9/0x620 [ 546.128101] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 546.134660] RIP: 0033:0x4196c4 [ 546.137877] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 546.156956] RSP: 002b:00007f76a76a8ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 546.164693] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004196c4 [ 546.172108] RDX: 0000000000000002 RSI: 00007f76a76a9000 RDI: 00000000ffffff9c [ 546.179394] RBP: 00007f76a76a9000 R08: 0000000000000000 R09: ffffffffffffffff [ 546.186683] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 546.194014] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 546.201414] CPU: 0 PID: 26222 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 546.202206] audit: type=1804 audit(1625688396.850:225): pid=26237 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/513/cgroup.controllers" dev="sda1" ino=14190 res=1 [ 546.209337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 546.243769] Call Trace: [ 546.246369] dump_stack+0x1fc/0x2ef [ 546.250049] should_fail.cold+0xa/0xf [ 546.253875] ? setup_fault_attr+0x200/0x200 [ 546.258215] ? lock_acquire+0x170/0x3c0 [ 546.262214] __should_failslab+0x115/0x180 [ 546.266501] should_failslab+0x5/0x10 [ 546.270398] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 546.275712] init_rescuer+0xa1/0x370 [ 546.279445] __alloc_workqueue_key+0xb56/0xed0 [ 546.284135] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 546.289167] ? nbd_ioctl+0x151/0xbe0 [ 546.292893] ? mutex_trylock+0x1a0/0x1a0 [ 546.296977] ? apparmor_sb_mount+0x970/0x970 [ 546.301404] nbd_start_device+0x183/0xd60 [ 546.305566] ? security_capable+0x8f/0xc0 [ 546.309737] nbd_ioctl+0x62c/0xbe0 [ 546.313291] ? _copy_from_user+0xd2/0x130 [ 546.317466] ? nbd_disconnect_and_put+0x190/0x190 [ 546.322343] ? __lock_acquire+0x6de/0x3ff0 [ 546.326595] ? nbd_disconnect_and_put+0x190/0x190 [ 546.331455] blkdev_ioctl+0x5cb/0x1a80 [ 546.335384] ? blkpg_ioctl+0x9d0/0x9d0 [ 546.339282] ? perf_trace_lock_acquire+0x530/0x530 [ 546.344234] ? perf_trace_lock+0xe2/0x4b0 [ 546.348432] ? perf_trace_lock_acquire+0x530/0x530 [ 546.353371] ? perf_trace_lock+0xe2/0x4b0 [ 546.357551] block_ioctl+0xe9/0x130 [ 546.361185] ? blkdev_fallocate+0x3f0/0x3f0 [ 546.365519] do_vfs_ioctl+0xcdb/0x12e0 [ 546.369419] ? lock_downgrade+0x720/0x720 [ 546.373585] ? check_preemption_disabled+0x41/0x280 [ 546.378614] ? ioctl_preallocate+0x200/0x200 [ 546.383045] ? __fget+0x356/0x510 [ 546.386511] ? do_dup2+0x450/0x450 [ 546.390094] ? vfs_write+0x393/0x540 [ 546.393822] ? fput+0x2b/0x190 [ 546.397035] ksys_ioctl+0x9b/0xc0 [ 546.400500] __x64_sys_ioctl+0x6f/0xb0 [ 546.404398] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 546.408995] do_syscall_64+0xf9/0x620 [ 546.412809] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 546.418007] RIP: 0033:0x4665d9 [ 546.421210] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 546.440288] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 546.447991] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 546.455258] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 546.462536] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 20:06:37 executing program 2 (fault-call:3 fault-nth:8): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 546.469907] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 546.477554] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 546.501687] block nbd5: shutting down sockets [ 546.504005] block nbd3: shutting down sockets [ 546.506434] block nbd4: shutting down sockets [ 546.527773] block nbd0: Could not allocate knbd recv work queue. [ 546.541948] block nbd3: shutting down sockets [ 546.559058] block nbd0: shutting down sockets [ 546.564131] block nbd5: shutting down sockets 20:06:37 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 546.583037] FAULT_INJECTION: forcing a failure. [ 546.583037] name failslab, interval 1, probability 0, space 0, times 0 20:06:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 546.648945] CPU: 1 PID: 26251 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 546.656870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 546.666244] Call Trace: [ 546.668865] dump_stack+0x1fc/0x2ef [ 546.672698] should_fail.cold+0xa/0xf [ 546.676524] ? setup_fault_attr+0x200/0x200 [ 546.681041] ? lock_acquire+0x170/0x3c0 [ 546.685044] __should_failslab+0x115/0x180 [ 546.689307] should_failslab+0x5/0x10 [ 546.693135] kmem_cache_alloc_trace+0x284/0x380 [ 546.697843] apparmor_file_alloc_security+0x394/0xad0 [ 546.703062] ? apparmor_file_receive+0x160/0x160 [ 546.707849] ? __alloc_file+0x21/0x330 [ 546.711772] security_file_alloc+0x40/0x90 [ 546.716214] __alloc_file+0xc9/0x330 [ 546.719974] alloc_empty_file+0x6d/0x170 [ 546.724073] path_openat+0xe9/0x2df0 [ 546.727808] ? __lock_acquire+0x6de/0x3ff0 [ 546.732107] ? current_time+0x6f/0x1c0 [ 546.736017] ? path_lookupat+0x8d0/0x8d0 [ 546.740127] ? perf_trace_lock_acquire+0x530/0x530 [ 546.745117] ? perf_trace_lock+0xe2/0x4b0 [ 546.749279] ? perf_trace_lock+0xe2/0x4b0 [ 546.753446] ? perf_trace_lock_acquire+0x530/0x530 [ 546.758565] do_filp_open+0x18c/0x3f0 [ 546.762388] ? may_open_dev+0xf0/0xf0 [ 546.766202] ? __alloc_fd+0x28d/0x570 [ 546.770019] ? lock_downgrade+0x720/0x720 [ 546.774175] ? lock_acquire+0x170/0x3c0 [ 546.778305] ? __alloc_fd+0x34/0x570 [ 546.782185] ? do_raw_spin_unlock+0x171/0x230 [ 546.786698] ? _raw_spin_unlock+0x29/0x40 [ 546.791128] ? __alloc_fd+0x28d/0x570 [ 546.794958] do_sys_open+0x3b3/0x520 20:06:37 executing program 0 (fault-call:5 fault-nth:7): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 546.798697] ? filp_open+0x70/0x70 [ 546.802261] ? check_preemption_disabled+0x41/0x280 [ 546.807323] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 546.812707] ? trace_hardirqs_off_caller+0x6e/0x210 [ 546.817738] ? do_syscall_64+0x21/0x620 [ 546.821755] do_syscall_64+0xf9/0x620 [ 546.825571] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 546.830944] RIP: 0033:0x4196c4 20:06:37 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x1c, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}}, 0x1c}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 546.834146] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 546.853053] RSP: 002b:00007f76a76a8ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 546.860784] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004196c4 [ 546.868086] RDX: 0000000000000002 RSI: 00007f76a76a9000 RDI: 00000000ffffff9c [ 546.875449] RBP: 00007f76a76a9000 R08: 0000000000000000 R09: ffffffffffffffff [ 546.882907] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 546.890500] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 546.912954] block nbd4: shutting down sockets [ 546.917569] block nbd3: shutting down sockets [ 546.922460] block nbd5: shutting down sockets [ 546.956009] FAULT_INJECTION: forcing a failure. [ 546.956009] name failslab, interval 1, probability 0, space 0, times 0 [ 546.978699] CPU: 1 PID: 26268 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 546.986648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 546.996025] Call Trace: [ 546.998719] dump_stack+0x1fc/0x2ef [ 547.002374] should_fail.cold+0xa/0xf 20:06:37 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 547.006198] ? setup_fault_attr+0x200/0x200 [ 547.010547] ? lock_acquire+0x170/0x3c0 [ 547.014547] __should_failslab+0x115/0x180 [ 547.018807] should_failslab+0x5/0x10 [ 547.022625] kmem_cache_alloc_trace+0x284/0x380 [ 547.027313] ? cancel_delayed_work+0x2c0/0x2c0 [ 547.032112] __kthread_create_on_node+0xd2/0x410 [ 547.036904] ? kthread_parkme+0xa0/0xa0 [ 547.040886] ? perf_trace_lock+0xe2/0x4b0 [ 547.045155] ? perf_trace_lock_acquire+0x530/0x530 [ 547.050125] ? perf_trace_lock_acquire+0x530/0x530 20:06:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1260) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 547.055087] ? perf_trace_lock+0xe2/0x4b0 [ 547.055860] block nbd5: shutting down sockets [ 547.059270] ? __alloc_workqueue_key+0x9d2/0xed0 [ 547.059291] ? cancel_delayed_work+0x2c0/0x2c0 [ 547.059307] kthread_create_on_node+0xbb/0xf0 [ 547.059324] ? __kthread_create_on_node+0x410/0x410 [ 547.059340] ? check_preemption_disabled+0x41/0x280 [ 547.059359] ? init_rescuer+0xa1/0x370 [ 547.091616] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 547.096751] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 547.102064] init_rescuer+0x1f7/0x370 [ 547.106084] __alloc_workqueue_key+0xb56/0xed0 [ 547.110716] ? workqueue_sysfs_register+0x3e0/0x3e0 [ 547.115868] ? nbd_ioctl+0x151/0xbe0 [ 547.120897] ? mutex_trylock+0x1a0/0x1a0 [ 547.125565] nbd_start_device+0x183/0xd60 [ 547.130370] ? security_capable+0x8f/0xc0 [ 547.134643] nbd_ioctl+0x62c/0xbe0 [ 547.138222] ? _copy_from_user+0xd2/0x130 [ 547.142405] ? nbd_disconnect_and_put+0x190/0x190 [ 547.147287] ? __lock_acquire+0x6de/0x3ff0 [ 547.151561] ? nbd_disconnect_and_put+0x190/0x190 [ 547.156445] blkdev_ioctl+0x5cb/0x1a80 [ 547.160384] ? blkpg_ioctl+0x9d0/0x9d0 [ 547.164308] ? perf_trace_lock_acquire+0x530/0x530 [ 547.169274] ? perf_trace_lock+0xe2/0x4b0 [ 547.173460] ? perf_trace_lock_acquire+0x530/0x530 [ 547.178418] ? perf_trace_lock+0xe2/0x4b0 [ 547.182616] block_ioctl+0xe9/0x130 [ 547.186272] ? blkdev_fallocate+0x3f0/0x3f0 [ 547.190630] do_vfs_ioctl+0xcdb/0x12e0 [ 547.194731] ? lock_downgrade+0x720/0x720 [ 547.198910] ? check_preemption_disabled+0x41/0x280 [ 547.203965] ? ioctl_preallocate+0x200/0x200 [ 547.208411] ? __fget+0x356/0x510 [ 547.211898] ? do_dup2+0x450/0x450 [ 547.215474] ? vfs_write+0x393/0x540 [ 547.219223] ? fput+0x2b/0x190 [ 547.222449] ksys_ioctl+0x9b/0xc0 [ 547.225923] __x64_sys_ioctl+0x6f/0xb0 [ 547.229830] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 547.234471] do_syscall_64+0xf9/0x620 [ 547.238307] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 547.243518] RIP: 0033:0x4665d9 [ 547.246728] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 547.265650] RSP: 002b:00007f1a555b9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 547.273380] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 547.280705] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 547.288084] RBP: 00007f1a555b91d0 R08: 0000000000000000 R09: 0000000000000000 [ 547.295475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 547.302896] R13: 00007ffc97a4e28f R14: 00007f1a555b9300 R15: 0000000000022000 [ 547.310954] audit: type=1804 audit(1625688397.860:226): pid=26271 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/514/cgroup.controllers" dev="sda1" ino=14133 res=1 [ 547.352650] block nbd3: shutting down sockets 20:06:38 executing program 2 (fault-call:3 fault-nth:9): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:38 executing program 0 (fault-call:5 fault-nth:8): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 547.354487] block nbd0: Could not allocate knbd recv work queue. [ 547.363680] block nbd0: shutting down sockets [ 547.382471] block nbd5: shutting down sockets [ 547.412811] block nbd5: shutting down sockets 20:06:38 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1260) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1261) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 547.451137] FAULT_INJECTION: forcing a failure. [ 547.451137] name failslab, interval 1, probability 0, space 0, times 0 [ 547.491854] CPU: 0 PID: 26288 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 547.499971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 547.509524] Call Trace: [ 547.512144] dump_stack+0x1fc/0x2ef [ 547.515777] should_fail.cold+0xa/0xf [ 547.519597] ? setup_fault_attr+0x200/0x200 [ 547.523942] ? lock_acquire+0x170/0x3c0 [ 547.528460] __should_failslab+0x115/0x180 [ 547.532700] should_failslab+0x5/0x10 [ 547.536498] kmem_cache_alloc_trace+0x284/0x380 [ 547.541184] ? loop_info64_to_compat+0x5e0/0x5e0 [ 547.546064] __kthread_create_on_node+0xd2/0x410 [ 547.550858] ? kthread_parkme+0xa0/0xa0 [ 547.554841] ? lo_ioctl+0x1bb/0x20e0 [ 547.558553] ? __mutex_lock+0x365/0x1200 [ 547.562618] ? lock_downgrade+0x720/0x720 [ 547.566872] ? loop_info64_to_compat+0x5e0/0x5e0 [ 547.571680] kthread_create_on_node+0xbb/0xf0 [ 547.576182] ? __kthread_create_on_node+0x410/0x410 [ 547.581235] ? __fget+0x356/0x510 [ 547.584697] ? do_dup2+0x450/0x450 [ 547.588237] ? __lockdep_init_map+0x100/0x5a0 [ 547.592733] ? __lockdep_init_map+0x100/0x5a0 [ 547.597221] lo_ioctl+0xae5/0x20e0 [ 547.600788] ? loop_set_status64+0x110/0x110 [ 547.605197] blkdev_ioctl+0x5cb/0x1a80 [ 547.609082] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 547.614431] ? blkpg_ioctl+0x9d0/0x9d0 [ 547.618416] ? perf_trace_lock_acquire+0x530/0x530 [ 547.623435] ? perf_trace_lock+0xe2/0x4b0 [ 547.627595] ? perf_trace_lock_acquire+0x530/0x530 [ 547.632527] ? lock_downgrade+0x720/0x720 [ 547.636671] block_ioctl+0xe9/0x130 [ 547.640470] ? blkdev_fallocate+0x3f0/0x3f0 [ 547.644814] do_vfs_ioctl+0xcdb/0x12e0 [ 547.648702] ? lock_downgrade+0x720/0x720 [ 547.652855] ? check_preemption_disabled+0x41/0x280 [ 547.657951] ? ioctl_preallocate+0x200/0x200 [ 547.662379] ? __fget+0x356/0x510 [ 547.665840] ? do_dup2+0x450/0x450 [ 547.669382] ? do_sys_open+0x2bf/0x520 [ 547.673265] ksys_ioctl+0x9b/0xc0 [ 547.677002] __x64_sys_ioctl+0x6f/0xb0 [ 547.680928] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 547.685528] do_syscall_64+0xf9/0x620 [ 547.689337] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 547.694537] RIP: 0033:0x466397 [ 547.697716] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 547.716820] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 547.724550] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 547.731832] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 547.739205] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 547.746525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 547.753811] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 547.811855] FAULT_INJECTION: forcing a failure. [ 547.811855] name failslab, interval 1, probability 0, space 0, times 0 [ 547.824972] block nbd5: shutting down sockets [ 547.830082] block nbd3: shutting down sockets [ 547.840403] CPU: 0 PID: 26292 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 547.848329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 547.857689] Call Trace: [ 547.860303] dump_stack+0x1fc/0x2ef [ 547.863948] should_fail.cold+0xa/0xf [ 547.867764] ? setup_fault_attr+0x200/0x200 [ 547.872105] ? lock_acquire+0x170/0x3c0 [ 547.876100] __should_failslab+0x115/0x180 [ 547.880351] should_failslab+0x5/0x10 [ 547.884164] kmem_cache_alloc+0x277/0x370 [ 547.888355] __kernfs_new_node+0xd2/0x680 [ 547.892534] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 547.897500] ? __lock_acquire+0x6de/0x3ff0 [ 547.901758] ? perf_trace_lock_acquire+0x530/0x530 [ 547.906718] kernfs_new_node+0x92/0x120 [ 547.910707] __kernfs_create_file+0x51/0x340 [ 547.915137] sysfs_add_file_mode_ns+0x226/0x540 [ 547.919834] sysfs_create_file_ns+0x131/0x1b0 [ 547.924356] ? sysfs_add_file_mode_ns+0x540/0x540 [ 547.929399] ? mark_held_locks+0xa6/0xf0 [ 547.933747] ? _raw_spin_unlock_irq+0x24/0x80 [ 547.938274] device_create_file+0xef/0x1d0 [ 547.942539] nbd_start_device+0x3c1/0xd60 [ 547.946875] ? security_capable+0x8f/0xc0 [ 547.951048] nbd_ioctl+0x62c/0xbe0 [ 547.954605] ? _copy_from_user+0xd2/0x130 [ 547.958767] ? nbd_disconnect_and_put+0x190/0x190 [ 547.963639] ? __lock_acquire+0x6de/0x3ff0 [ 547.968071] ? nbd_disconnect_and_put+0x190/0x190 [ 547.972929] blkdev_ioctl+0x5cb/0x1a80 [ 547.976915] ? blkpg_ioctl+0x9d0/0x9d0 [ 547.980809] ? perf_trace_lock_acquire+0x530/0x530 [ 547.985743] ? perf_trace_lock+0xe2/0x4b0 [ 547.989894] ? perf_trace_lock_acquire+0x530/0x530 [ 547.994832] ? perf_trace_lock+0xe2/0x4b0 [ 547.998990] block_ioctl+0xe9/0x130 [ 548.002623] ? blkdev_fallocate+0x3f0/0x3f0 [ 548.006953] do_vfs_ioctl+0xcdb/0x12e0 [ 548.010953] ? lock_downgrade+0x720/0x720 [ 548.015122] ? check_preemption_disabled+0x41/0x280 [ 548.020171] ? ioctl_preallocate+0x200/0x200 [ 548.024594] ? __fget+0x356/0x510 [ 548.028063] ? do_dup2+0x450/0x450 [ 548.031624] ? vfs_write+0x393/0x540 [ 548.035348] ? fput+0x2b/0x190 [ 548.038566] ksys_ioctl+0x9b/0xc0 [ 548.042036] __x64_sys_ioctl+0x6f/0xb0 [ 548.045939] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 548.050068] block nbd4: Receive control failed (result -32) [ 548.050540] do_syscall_64+0xf9/0x620 [ 548.060164] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 548.065363] RIP: 0033:0x4665d9 [ 548.068567] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 548.085808] block nbd4: shutting down sockets [ 548.087526] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 548.087541] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 20:06:39 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 20:06:39 executing program 2 (fault-call:3 fault-nth:10): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:39 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x1c, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}}, 0x1c}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 548.087550] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 548.087559] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 548.087573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 548.129225] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 548.162057] block nbd0: device_create_file failed! [ 548.174917] block nbd5: shutting down sockets [ 548.177174] block nbd0: shutting down sockets [ 548.179672] block nbd3: shutting down sockets 20:06:39 executing program 0 (fault-call:5 fault-nth:9): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 548.211409] FAULT_INJECTION: forcing a failure. [ 548.211409] name failslab, interval 1, probability 0, space 0, times 0 [ 548.239081] CPU: 0 PID: 26309 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 548.247032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 548.256575] Call Trace: [ 548.259186] dump_stack+0x1fc/0x2ef [ 548.262924] should_fail.cold+0xa/0xf [ 548.266746] ? setup_fault_attr+0x200/0x200 [ 548.271089] ? lock_acquire+0x170/0x3c0 [ 548.275092] __should_failslab+0x115/0x180 [ 548.279356] should_failslab+0x5/0x10 [ 548.283185] kmem_cache_alloc+0x277/0x370 [ 548.287352] __kernfs_new_node+0xd2/0x680 [ 548.291544] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 548.296313] ? _raw_spin_unlock_irq+0x5a/0x80 [ 548.300823] ? perf_trace_lock_acquire+0x530/0x530 [ 548.305972] ? check_preemption_disabled+0x41/0x280 [ 548.311008] ? perf_trace_lock_acquire+0x530/0x530 [ 548.315945] ? perf_trace_lock+0xe2/0x4b0 [ 548.320111] kernfs_create_dir_ns+0x9e/0x230 [ 548.324532] internal_create_group+0x1c1/0xb20 [ 548.329130] ? sysfs_remove_link_from_group+0x70/0x70 [ 548.334501] ? lock_downgrade+0x720/0x720 [ 548.338677] lo_ioctl+0xf7c/0x20e0 [ 548.342251] ? loop_set_status64+0x110/0x110 [ 548.346698] blkdev_ioctl+0x5cb/0x1a80 [ 548.350674] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 548.356050] ? blkpg_ioctl+0x9d0/0x9d0 [ 548.359947] ? perf_trace_lock_acquire+0x530/0x530 [ 548.364899] ? perf_trace_lock+0xe2/0x4b0 [ 548.369066] ? perf_trace_lock_acquire+0x530/0x530 [ 548.374062] ? lock_downgrade+0x720/0x720 [ 548.378226] block_ioctl+0xe9/0x130 [ 548.381863] ? blkdev_fallocate+0x3f0/0x3f0 [ 548.386196] do_vfs_ioctl+0xcdb/0x12e0 [ 548.390101] ? lock_downgrade+0x720/0x720 [ 548.394266] ? check_preemption_disabled+0x41/0x280 [ 548.399472] ? ioctl_preallocate+0x200/0x200 [ 548.403901] ? __fget+0x356/0x510 [ 548.407368] ? do_dup2+0x450/0x450 [ 548.410920] ? do_sys_open+0x2bf/0x520 [ 548.414837] ksys_ioctl+0x9b/0xc0 [ 548.418413] __x64_sys_ioctl+0x6f/0xb0 [ 548.422320] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 548.427011] do_syscall_64+0xf9/0x620 [ 548.430881] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 548.436099] RIP: 0033:0x466397 [ 548.439343] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 20:06:39 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1261) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:39 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1262) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 548.458293] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 548.466027] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 548.473310] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 548.480598] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 548.487882] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 548.496072] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 20:06:39 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 548.539324] FAULT_INJECTION: forcing a failure. [ 548.539324] name failslab, interval 1, probability 0, space 0, times 0 [ 548.558633] audit: type=1804 audit(1625688399.440:227): pid=26313 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/515/cgroup.controllers" dev="sda1" ino=14101 res=1 20:06:39 executing program 2 (fault-call:3 fault-nth:11): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 548.636208] CPU: 0 PID: 26319 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 548.644165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 548.653547] Call Trace: [ 548.656246] dump_stack+0x1fc/0x2ef [ 548.660075] should_fail.cold+0xa/0xf [ 548.663902] ? setup_fault_attr+0x200/0x200 [ 548.668245] ? lock_acquire+0x170/0x3c0 [ 548.672258] __should_failslab+0x115/0x180 [ 548.676521] should_failslab+0x5/0x10 [ 548.680350] kmem_cache_alloc+0x277/0x370 [ 548.684584] __d_alloc+0x2b/0xa10 [ 548.688068] ? check_preemption_disabled+0x41/0x280 [ 548.693122] d_alloc+0x4a/0x230 [ 548.696432] d_alloc_parallel+0xeb/0x19e0 [ 548.700615] ? perf_trace_lock_acquire+0x530/0x530 [ 548.705581] ? perf_trace_lock+0xe2/0x4b0 [ 548.709851] ? __d_lookup_rcu+0x6b0/0x6b0 [ 548.714162] ? perf_trace_lock_acquire+0x530/0x530 [ 548.719161] ? perf_trace_lock_acquire+0x530/0x530 [ 548.724210] ? perf_trace_lock+0xe2/0x4b0 [ 548.728384] ? mark_held_locks+0xf0/0xf0 [ 548.732584] ? __lockdep_init_map+0x100/0x5a0 [ 548.737195] ? __lockdep_init_map+0x100/0x5a0 [ 548.741996] __lookup_slow+0x18d/0x4a0 [ 548.746088] ? check_preemption_disabled+0x41/0x280 [ 548.751134] ? follow_dotdot_rcu+0x1040/0x1040 [ 548.755765] ? __d_lookup+0x411/0x710 [ 548.759588] ? d_lookup+0x18e/0x250 [ 548.763242] lookup_one_len+0x163/0x190 [ 548.767251] ? try_lookup_one_len+0x180/0x180 [ 548.771816] start_creating+0xc9/0x220 [ 548.775788] debugfs_create_dir+0x1f/0x440 [ 548.780145] nbd_start_device+0x449/0xd60 [ 548.784482] ? security_capable+0x8f/0xc0 [ 548.788769] nbd_ioctl+0x62c/0xbe0 [ 548.792339] ? _copy_from_user+0xd2/0x130 [ 548.796509] ? nbd_disconnect_and_put+0x190/0x190 [ 548.801650] ? __lock_acquire+0x6de/0x3ff0 [ 548.806003] ? nbd_disconnect_and_put+0x190/0x190 [ 548.810872] blkdev_ioctl+0x5cb/0x1a80 [ 548.814787] ? blkpg_ioctl+0x9d0/0x9d0 [ 548.818851] ? perf_trace_lock_acquire+0x530/0x530 [ 548.823816] ? perf_trace_lock+0xe2/0x4b0 [ 548.828285] ? perf_trace_lock_acquire+0x530/0x530 [ 548.833245] ? perf_trace_lock+0xe2/0x4b0 [ 548.837417] block_ioctl+0xe9/0x130 [ 548.841056] ? blkdev_fallocate+0x3f0/0x3f0 [ 548.845408] do_vfs_ioctl+0xcdb/0x12e0 [ 548.849381] ? lock_downgrade+0x720/0x720 [ 548.853543] ? check_preemption_disabled+0x41/0x280 [ 548.858607] ? ioctl_preallocate+0x200/0x200 [ 548.863073] ? __fget+0x356/0x510 [ 548.866550] ? do_dup2+0x450/0x450 [ 548.870084] ? vfs_write+0x393/0x540 [ 548.873806] ? fput+0x2b/0x190 [ 548.877010] ksys_ioctl+0x9b/0xc0 [ 548.880460] __x64_sys_ioctl+0x6f/0xb0 [ 548.884437] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 548.889634] do_syscall_64+0xf9/0x620 [ 548.893625] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 548.898842] RIP: 0033:0x4665d9 [ 548.902424] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 548.921631] RSP: 002b:00007f1a555b9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 548.929393] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 20:06:39 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r3, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(0xffffffffffffffff, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 548.937372] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 548.944663] RBP: 00007f1a555b91d0 R08: 0000000000000000 R09: 0000000000000000 [ 548.951950] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 548.959227] R13: 00007ffc97a4e28f R14: 00007f1a555b9300 R15: 0000000000022000 [ 548.983328] block nbd0: Failed to create debugfs dir for 'nbd0' [ 548.992976] block nbd3: shutting down sockets [ 548.997827] block nbd5: shutting down sockets [ 549.002782] FAULT_INJECTION: forcing a failure. [ 549.002782] name failslab, interval 1, probability 0, space 0, times 0 [ 549.014306] block nbd0: shutting down sockets [ 549.045169] CPU: 0 PID: 26334 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 549.053091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 549.062461] Call Trace: [ 549.065077] dump_stack+0x1fc/0x2ef [ 549.068736] should_fail.cold+0xa/0xf [ 549.072572] ? setup_fault_attr+0x200/0x200 [ 549.076924] ? lock_acquire+0x170/0x3c0 [ 549.081216] __should_failslab+0x115/0x180 [ 549.085489] should_failslab+0x5/0x10 [ 549.089318] kmem_cache_alloc+0x277/0x370 [ 549.093505] __kernfs_new_node+0xd2/0x680 [ 549.097684] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 549.102466] ? kernfs_activate+0x2c/0x1d0 [ 549.106636] ? lock_downgrade+0x720/0x720 [ 549.110812] ? kernfs_add_one+0x51/0x4c0 [ 549.114899] ? mutex_trylock+0x1a0/0x1a0 [ 549.119094] ? __mutex_unlock_slowpath+0xea/0x610 [ 549.124443] kernfs_new_node+0x92/0x120 [ 549.129317] __kernfs_create_file+0x51/0x340 [ 549.133855] sysfs_add_file_mode_ns+0x226/0x540 [ 549.138554] internal_create_group+0x355/0xb20 [ 549.143170] ? sysfs_remove_link_from_group+0x70/0x70 [ 549.148401] ? lock_downgrade+0x720/0x720 [ 549.152582] lo_ioctl+0xf7c/0x20e0 [ 549.156217] ? loop_set_status64+0x110/0x110 [ 549.160647] blkdev_ioctl+0x5cb/0x1a80 [ 549.164723] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 549.170963] ? blkpg_ioctl+0x9d0/0x9d0 [ 549.174898] ? perf_trace_lock_acquire+0x530/0x530 [ 549.179935] ? perf_trace_lock+0xe2/0x4b0 [ 549.184133] ? perf_trace_lock_acquire+0x530/0x530 [ 549.189268] ? lock_downgrade+0x720/0x720 [ 549.193425] block_ioctl+0xe9/0x130 [ 549.197053] ? blkdev_fallocate+0x3f0/0x3f0 [ 549.201582] do_vfs_ioctl+0xcdb/0x12e0 [ 549.205508] ? lock_downgrade+0x720/0x720 [ 549.209662] ? check_preemption_disabled+0x41/0x280 [ 549.214787] ? ioctl_preallocate+0x200/0x200 [ 549.219208] ? __fget+0x356/0x510 [ 549.222702] ? do_dup2+0x450/0x450 [ 549.226251] ? do_sys_open+0x2bf/0x520 [ 549.230150] ksys_ioctl+0x9b/0xc0 [ 549.233645] __x64_sys_ioctl+0x6f/0xb0 [ 549.237567] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 549.242188] do_syscall_64+0xf9/0x620 [ 549.246018] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 549.251243] RIP: 0033:0x466397 [ 549.254448] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 549.273811] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 549.281719] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 549.289028] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 20:06:40 executing program 0 (fault-call:5 fault-nth:10): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 549.296500] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 549.303807] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 549.311094] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 549.332628] block nbd5: shutting down sockets [ 549.337375] block nbd3: shutting down sockets 20:06:40 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1262) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1263) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:40 executing program 2 (fault-call:3 fault-nth:12): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 549.459454] FAULT_INJECTION: forcing a failure. [ 549.459454] name failslab, interval 1, probability 0, space 0, times 0 [ 549.466946] audit: type=1804 audit(1625688400.350:228): pid=26349 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/516/cgroup.controllers" dev="sda1" ino=14205 res=1 [ 549.481053] CPU: 0 PID: 26351 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 549.497299] block nbd4: Receive control failed (result -32) [ 549.504703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 549.504709] Call Trace: [ 549.504734] dump_stack+0x1fc/0x2ef [ 549.504754] should_fail.cold+0xa/0xf [ 549.504771] ? setup_fault_attr+0x200/0x200 [ 549.504785] ? lock_acquire+0x170/0x3c0 [ 549.504808] __should_failslab+0x115/0x180 [ 549.504825] should_failslab+0x5/0x10 [ 549.504839] kmem_cache_alloc+0x277/0x370 [ 549.504860] alloc_inode+0xab/0x180 [ 549.554806] new_inode+0x1d/0xf0 [ 549.558376] debugfs_get_inode+0x1a/0x130 [ 549.562631] debugfs_create_dir+0x73/0x440 [ 549.566901] nbd_start_device+0x449/0xd60 [ 549.571086] ? security_capable+0x8f/0xc0 [ 549.575299] nbd_ioctl+0x62c/0xbe0 [ 549.578874] ? _copy_from_user+0xd2/0x130 [ 549.583029] ? nbd_disconnect_and_put+0x190/0x190 [ 549.587899] ? __lock_acquire+0x6de/0x3ff0 [ 549.592369] ? nbd_disconnect_and_put+0x190/0x190 [ 549.597231] blkdev_ioctl+0x5cb/0x1a80 [ 549.601159] ? blkpg_ioctl+0x9d0/0x9d0 [ 549.605144] ? perf_trace_lock_acquire+0x530/0x530 [ 549.610133] ? perf_trace_lock+0xe2/0x4b0 [ 549.614821] ? perf_trace_lock_acquire+0x530/0x530 [ 549.619895] ? perf_trace_lock+0xe2/0x4b0 [ 549.624065] block_ioctl+0xe9/0x130 [ 549.627687] ? blkdev_fallocate+0x3f0/0x3f0 [ 549.632050] do_vfs_ioctl+0xcdb/0x12e0 [ 549.636063] ? lock_downgrade+0x720/0x720 [ 549.640388] ? check_preemption_disabled+0x41/0x280 [ 549.645576] ? ioctl_preallocate+0x200/0x200 [ 549.650283] ? __fget+0x356/0x510 [ 549.653746] ? do_dup2+0x450/0x450 [ 549.657450] ? vfs_write+0x393/0x540 [ 549.661437] ? fput+0x2b/0x190 [ 549.665097] ksys_ioctl+0x9b/0xc0 [ 549.668564] __x64_sys_ioctl+0x6f/0xb0 [ 549.672570] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 549.677202] do_syscall_64+0xf9/0x620 [ 549.681112] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 549.686658] RIP: 0033:0x4665d9 [ 549.689931] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 20:06:40 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r3, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(0xffffffffffffffff, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 549.710083] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 549.717825] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 549.725196] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 549.732505] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 549.740118] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 549.747472] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 549.768002] block nbd4: shutting down sockets [ 549.772843] block nbd5: shutting down sockets [ 549.775821] block nbd0: Failed to create debugfs dir for 'nbd0' [ 549.805736] block nbd0: shutting down sockets [ 549.805787] block nbd3: shutting down sockets 20:06:40 executing program 0 (fault-call:5 fault-nth:11): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 549.833174] block nbd5: shutting down sockets 20:06:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1264) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 549.894601] audit: type=1804 audit(1625688400.780:229): pid=26368 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/517/cgroup.controllers" dev="sda1" ino=14114 res=1 [ 549.930919] FAULT_INJECTION: forcing a failure. [ 549.930919] name failslab, interval 1, probability 0, space 0, times 0 [ 549.955580] block nbd3: shutting down sockets [ 549.956080] CPU: 0 PID: 26370 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 549.967994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 549.977446] Call Trace: [ 549.980057] dump_stack+0x1fc/0x2ef [ 549.983726] should_fail.cold+0xa/0xf [ 549.987544] ? setup_fault_attr+0x200/0x200 [ 549.991900] ? lock_acquire+0x170/0x3c0 [ 549.995883] __should_failslab+0x115/0x180 [ 550.000138] should_failslab+0x5/0x10 [ 550.003937] kmem_cache_alloc+0x277/0x370 [ 550.008109] __kernfs_new_node+0xd2/0x680 [ 550.012309] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 550.017199] ? __mutex_unlock_slowpath+0xea/0x610 [ 550.022285] ? lock_is_held_type+0x17a/0x210 [ 550.026733] ? wait_for_completion_io+0x10/0x10 [ 550.031441] ? kernfs_next_descendant_post+0x19c/0x290 [ 550.036922] kernfs_new_node+0x92/0x120 [ 550.041006] __kernfs_create_file+0x51/0x340 [ 550.045474] sysfs_add_file_mode_ns+0x226/0x540 [ 550.050664] internal_create_group+0x355/0xb20 [ 550.055366] ? sysfs_remove_link_from_group+0x70/0x70 [ 550.062025] ? lock_downgrade+0x720/0x720 [ 550.066197] lo_ioctl+0xf7c/0x20e0 [ 550.069879] ? loop_set_status64+0x110/0x110 [ 550.074585] blkdev_ioctl+0x5cb/0x1a80 [ 550.078674] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 550.084051] ? blkpg_ioctl+0x9d0/0x9d0 [ 550.088136] ? perf_trace_lock_acquire+0x530/0x530 [ 550.093082] ? perf_trace_lock+0xe2/0x4b0 [ 550.097325] ? perf_trace_lock_acquire+0x530/0x530 [ 550.102342] ? lock_downgrade+0x720/0x720 [ 550.106525] block_ioctl+0xe9/0x130 [ 550.110237] ? blkdev_fallocate+0x3f0/0x3f0 [ 550.114578] do_vfs_ioctl+0xcdb/0x12e0 [ 550.118628] ? lock_downgrade+0x720/0x720 [ 550.123077] ? check_preemption_disabled+0x41/0x280 [ 550.128911] ? ioctl_preallocate+0x200/0x200 [ 550.133365] ? __fget+0x356/0x510 [ 550.136838] ? do_dup2+0x450/0x450 [ 550.140416] ? do_sys_open+0x2bf/0x520 [ 550.144393] ksys_ioctl+0x9b/0xc0 [ 550.147940] __x64_sys_ioctl+0x6f/0xb0 [ 550.151861] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 550.156456] do_syscall_64+0xf9/0x620 [ 550.160314] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 550.165512] RIP: 0033:0x466397 [ 550.168708] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 550.187615] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 550.195336] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 20:06:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1263) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:41 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r3, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(0xffffffffffffffff, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 550.202742] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 550.210036] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 550.217306] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 550.224679] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 20:06:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 550.268885] block nbd4: shutting down sockets [ 550.281028] FAULT_INJECTION: forcing a failure. [ 550.281028] name failslab, interval 1, probability 0, space 0, times 0 [ 550.325702] CPU: 0 PID: 26379 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 550.333841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 550.343822] Call Trace: [ 550.346441] dump_stack+0x1fc/0x2ef [ 550.350133] should_fail.cold+0xa/0xf [ 550.353975] ? setup_fault_attr+0x200/0x200 [ 550.358335] ? lock_acquire+0x170/0x3c0 [ 550.362343] __should_failslab+0x115/0x180 [ 550.366733] should_failslab+0x5/0x10 [ 550.370599] kmem_cache_alloc+0x277/0x370 [ 550.374812] __d_alloc+0x2b/0xa10 [ 550.378332] ? lock_downgrade+0x720/0x720 [ 550.382512] ? lock_acquire+0x170/0x3c0 [ 550.386517] d_alloc+0x4a/0x230 [ 550.389831] d_alloc_parallel+0xeb/0x19e0 [ 550.394109] ? perf_trace_lock_acquire+0x530/0x530 [ 550.399061] ? perf_trace_lock+0xe2/0x4b0 [ 550.403273] ? check_preemption_disabled+0x41/0x280 [ 550.408324] ? __d_lookup_rcu+0x6b0/0x6b0 [ 550.412494] ? perf_trace_lock_acquire+0x530/0x530 [ 550.417469] ? perf_trace_lock_acquire+0x530/0x530 20:06:41 executing program 2 (fault-call:3 fault-nth:13): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 550.422456] ? perf_trace_lock+0xe2/0x4b0 [ 550.426647] ? mark_held_locks+0xf0/0xf0 [ 550.430809] ? __lockdep_init_map+0x100/0x5a0 [ 550.435439] ? __lockdep_init_map+0x100/0x5a0 [ 550.439998] __lookup_slow+0x18d/0x4a0 [ 550.443950] ? check_preemption_disabled+0x41/0x280 [ 550.449006] ? follow_dotdot_rcu+0x1040/0x1040 [ 550.453653] ? __d_lookup+0x411/0x710 [ 550.457499] ? d_lookup+0x18e/0x250 [ 550.459793] audit: type=1804 audit(1625688401.340:230): pid=26390 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/518/cgroup.controllers" dev="sda1" ino=14202 res=1 [ 550.461185] lookup_one_len+0x163/0x190 [ 550.461203] ? try_lookup_one_len+0x180/0x180 [ 550.461231] start_creating+0xc9/0x220 [ 550.498742] __debugfs_create_file+0x5e/0x480 [ 550.503263] nbd_start_device+0x4a1/0xd60 [ 550.507630] ? security_capable+0x8f/0xc0 [ 550.512129] nbd_ioctl+0x62c/0xbe0 [ 550.515728] ? _copy_from_user+0xd2/0x130 [ 550.519907] ? nbd_disconnect_and_put+0x190/0x190 [ 550.524792] ? __lock_acquire+0x6de/0x3ff0 [ 550.529067] ? nbd_disconnect_and_put+0x190/0x190 [ 550.533940] blkdev_ioctl+0x5cb/0x1a80 [ 550.537851] ? blkpg_ioctl+0x9d0/0x9d0 [ 550.541763] ? perf_trace_lock_acquire+0x530/0x530 [ 550.546711] ? perf_trace_lock+0xe2/0x4b0 [ 550.550894] ? perf_trace_lock_acquire+0x530/0x530 [ 550.556028] ? perf_trace_lock+0xe2/0x4b0 [ 550.560191] block_ioctl+0xe9/0x130 [ 550.563848] ? blkdev_fallocate+0x3f0/0x3f0 [ 550.568265] do_vfs_ioctl+0xcdb/0x12e0 [ 550.572188] ? lock_downgrade+0x720/0x720 [ 550.576702] ? check_preemption_disabled+0x41/0x280 [ 550.581736] ? ioctl_preallocate+0x200/0x200 [ 550.586167] ? __fget+0x356/0x510 [ 550.589712] ? do_dup2+0x450/0x450 [ 550.593271] ? vfs_write+0x393/0x540 [ 550.596994] ? fput+0x2b/0x190 [ 550.600191] ksys_ioctl+0x9b/0xc0 [ 550.603646] __x64_sys_ioctl+0x6f/0xb0 [ 550.607545] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 550.612174] do_syscall_64+0xf9/0x620 [ 550.616015] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 550.621215] RIP: 0033:0x4665d9 [ 550.624416] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 550.643503] RSP: 002b:00007f1a555b9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 550.651230] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 550.658582] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 550.665953] RBP: 00007f1a555b91d0 R08: 0000000000000000 R09: 0000000000000000 20:06:41 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r3, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r2, 0xffffffffffffffff, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 550.673325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 550.680774] R13: 00007ffc97a4e28f R14: 00007f1a555b9300 R15: 0000000000022000 [ 550.703882] block nbd0: shutting down sockets [ 550.721862] block nbd5: shutting down sockets 20:06:41 executing program 0 (fault-call:5 fault-nth:12): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 550.723887] block nbd3: shutting down sockets [ 550.732886] block nbd4: shutting down sockets [ 550.777829] FAULT_INJECTION: forcing a failure. [ 550.777829] name failslab, interval 1, probability 0, space 0, times 0 [ 550.790245] block nbd5: shutting down sockets [ 550.792002] block nbd3: shutting down sockets [ 550.796617] CPU: 0 PID: 26403 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 550.807265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 550.816720] Call Trace: [ 550.819340] dump_stack+0x1fc/0x2ef [ 550.822992] should_fail.cold+0xa/0xf [ 550.826814] ? setup_fault_attr+0x200/0x200 [ 550.831201] ? lock_acquire+0x170/0x3c0 [ 550.835203] __should_failslab+0x115/0x180 [ 550.839461] should_failslab+0x5/0x10 [ 550.843280] kmem_cache_alloc+0x277/0x370 [ 550.847501] __kernfs_new_node+0xd2/0x680 [ 550.851670] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 550.856476] ? __mutex_unlock_slowpath+0xea/0x610 [ 550.861346] ? wait_for_completion_io+0x10/0x10 [ 550.866031] ? kernfs_next_descendant_post+0x19c/0x290 [ 550.871337] kernfs_new_node+0x92/0x120 [ 550.875346] __kernfs_create_file+0x51/0x340 [ 550.879779] sysfs_add_file_mode_ns+0x226/0x540 [ 550.884477] internal_create_group+0x355/0xb20 [ 550.889288] ? sysfs_remove_link_from_group+0x70/0x70 [ 550.894553] ? lock_downgrade+0x720/0x720 [ 550.898750] lo_ioctl+0xf7c/0x20e0 [ 550.902423] ? loop_set_status64+0x110/0x110 [ 550.906865] blkdev_ioctl+0x5cb/0x1a80 [ 550.910825] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 550.916231] ? blkpg_ioctl+0x9d0/0x9d0 [ 550.920713] ? perf_trace_lock_acquire+0x530/0x530 [ 550.925672] ? perf_trace_lock+0xe2/0x4b0 [ 550.929852] ? perf_trace_lock_acquire+0x530/0x530 [ 550.934843] ? lock_downgrade+0x720/0x720 [ 550.939015] block_ioctl+0xe9/0x130 [ 550.942662] ? blkdev_fallocate+0x3f0/0x3f0 [ 550.947043] do_vfs_ioctl+0xcdb/0x12e0 [ 550.950994] ? lock_downgrade+0x720/0x720 [ 550.955193] ? check_preemption_disabled+0x41/0x280 [ 550.960260] ? ioctl_preallocate+0x200/0x200 [ 550.964700] ? __fget+0x356/0x510 [ 550.968369] ? do_dup2+0x450/0x450 [ 550.971949] ? do_sys_open+0x2bf/0x520 20:06:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 550.975866] ksys_ioctl+0x9b/0xc0 [ 550.979346] __x64_sys_ioctl+0x6f/0xb0 [ 550.983293] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 550.987902] do_syscall_64+0xf9/0x620 [ 550.991746] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 550.996955] RIP: 0033:0x466397 [ 551.000164] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 551.019104] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 20:06:41 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1264) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1265) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 551.026876] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 551.034163] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 551.041444] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 551.048744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 551.056054] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 551.079663] audit: type=1804 audit(1625688401.960:231): pid=26409 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/519/cgroup.controllers" dev="sda1" ino=14206 res=1 [ 551.110660] FAULT_INJECTION: forcing a failure. [ 551.110660] name failslab, interval 1, probability 0, space 0, times 0 [ 551.130539] CPU: 0 PID: 26405 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 551.138464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 551.147824] Call Trace: [ 551.150541] dump_stack+0x1fc/0x2ef [ 551.154187] should_fail.cold+0xa/0xf [ 551.157998] ? setup_fault_attr+0x200/0x200 [ 551.162314] ? lock_acquire+0x170/0x3c0 [ 551.166301] __should_failslab+0x115/0x180 [ 551.170532] should_failslab+0x5/0x10 [ 551.174323] kmem_cache_alloc+0x277/0x370 [ 551.178474] alloc_inode+0xab/0x180 [ 551.182107] new_inode+0x1d/0xf0 [ 551.185499] debugfs_get_inode+0x1a/0x130 [ 551.189641] __debugfs_create_file+0xb2/0x480 [ 551.194137] nbd_start_device+0x4a1/0xd60 [ 551.198283] ? security_capable+0x8f/0xc0 [ 551.202427] nbd_ioctl+0x62c/0xbe0 [ 551.205956] ? _copy_from_user+0xd2/0x130 [ 551.210094] ? nbd_disconnect_and_put+0x190/0x190 [ 551.214934] ? __lock_acquire+0x6de/0x3ff0 [ 551.219165] ? nbd_disconnect_and_put+0x190/0x190 [ 551.224000] blkdev_ioctl+0x5cb/0x1a80 [ 551.227896] ? blkpg_ioctl+0x9d0/0x9d0 [ 551.231812] ? perf_trace_lock_acquire+0x530/0x530 [ 551.236755] ? perf_trace_lock+0xe2/0x4b0 [ 551.240993] ? perf_trace_lock_acquire+0x530/0x530 [ 551.246438] ? perf_trace_lock+0xe2/0x4b0 [ 551.250586] block_ioctl+0xe9/0x130 [ 551.254205] ? blkdev_fallocate+0x3f0/0x3f0 [ 551.258522] do_vfs_ioctl+0xcdb/0x12e0 [ 551.262406] ? lock_downgrade+0x720/0x720 [ 551.266544] ? check_preemption_disabled+0x41/0x280 [ 551.271566] ? ioctl_preallocate+0x200/0x200 [ 551.276019] ? __fget+0x356/0x510 [ 551.279514] ? do_dup2+0x450/0x450 [ 551.283156] ? vfs_write+0x393/0x540 [ 551.286888] ? fput+0x2b/0x190 [ 551.290089] ksys_ioctl+0x9b/0xc0 [ 551.293563] __x64_sys_ioctl+0x6f/0xb0 [ 551.297465] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 551.302050] do_syscall_64+0xf9/0x620 [ 551.305879] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 551.311249] RIP: 0033:0x4665d9 [ 551.314470] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 551.333625] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 551.341598] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 551.348909] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 551.356227] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 551.363619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 551.371222] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 20:06:42 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r3, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r2, 0xffffffffffffffff, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 551.392434] block nbd0: shutting down sockets 20:06:42 executing program 2 (fault-call:3 fault-nth:14): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 551.434097] block nbd3: shutting down sockets 20:06:42 executing program 0 (fault-call:5 fault-nth:13): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 551.466363] block nbd3: shutting down sockets [ 551.502690] block nbd4: shutting down sockets [ 551.507691] block nbd5: shutting down sockets 20:06:42 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1265) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:42 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0x125f) [ 551.542961] block nbd5: shutting down sockets 20:06:42 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 551.611295] FAULT_INJECTION: forcing a failure. [ 551.611295] name failslab, interval 1, probability 0, space 0, times 0 [ 551.625181] CPU: 1 PID: 26430 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 551.633112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 551.642462] Call Trace: [ 551.645163] dump_stack+0x1fc/0x2ef [ 551.648835] should_fail.cold+0xa/0xf [ 551.652836] ? setup_fault_attr+0x200/0x200 [ 551.657348] ? lock_acquire+0x170/0x3c0 [ 551.661370] __should_failslab+0x115/0x180 [ 551.665640] should_failslab+0x5/0x10 [ 551.669456] kmem_cache_alloc+0x277/0x370 [ 551.673725] __kernfs_new_node+0xd2/0x680 [ 551.677997] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 551.682870] ? __mutex_unlock_slowpath+0xea/0x610 [ 551.688099] ? wait_for_completion_io+0x10/0x10 [ 551.692791] ? kernfs_next_descendant_post+0x19c/0x290 [ 551.698069] kernfs_new_node+0x92/0x120 [ 551.702047] __kernfs_create_file+0x51/0x340 [ 551.706475] sysfs_add_file_mode_ns+0x226/0x540 [ 551.711150] internal_create_group+0x355/0xb20 [ 551.715746] ? sysfs_remove_link_from_group+0x70/0x70 [ 551.721088] ? lock_downgrade+0x720/0x720 [ 551.725339] lo_ioctl+0xf7c/0x20e0 [ 551.728917] ? loop_set_status64+0x110/0x110 [ 551.733338] blkdev_ioctl+0x5cb/0x1a80 [ 551.737245] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 551.742675] ? blkpg_ioctl+0x9d0/0x9d0 [ 551.746567] ? perf_trace_lock_acquire+0x530/0x530 [ 551.751500] ? perf_trace_lock+0xe2/0x4b0 [ 551.755714] ? perf_trace_lock_acquire+0x530/0x530 [ 551.760642] ? lock_downgrade+0x720/0x720 [ 551.764898] block_ioctl+0xe9/0x130 [ 551.768526] ? blkdev_fallocate+0x3f0/0x3f0 [ 551.772953] do_vfs_ioctl+0xcdb/0x12e0 [ 551.776851] ? lock_downgrade+0x720/0x720 [ 551.781036] ? check_preemption_disabled+0x41/0x280 [ 551.786052] ? ioctl_preallocate+0x200/0x200 [ 551.790549] ? __fget+0x356/0x510 [ 551.794003] ? do_dup2+0x450/0x450 [ 551.797595] ? do_sys_open+0x2bf/0x520 [ 551.801502] ksys_ioctl+0x9b/0xc0 [ 551.804973] __x64_sys_ioctl+0x6f/0xb0 [ 551.808859] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 551.813448] do_syscall_64+0xf9/0x620 [ 551.817290] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 551.822483] RIP: 0033:0x466397 [ 551.825772] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 551.844688] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 551.852508] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 551.859973] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 551.867241] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 551.874505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 551.881795] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 551.915438] block nbd3: shutting down sockets [ 551.923861] block nbd4: shutting down sockets [ 551.928603] FAULT_INJECTION: forcing a failure. [ 551.928603] name failslab, interval 1, probability 0, space 0, times 0 20:06:42 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125f) [ 551.957661] CPU: 0 PID: 26439 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 551.965595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 551.974979] Call Trace: [ 551.977637] dump_stack+0x1fc/0x2ef [ 551.981328] should_fail.cold+0xa/0xf [ 551.985162] ? setup_fault_attr+0x200/0x200 [ 551.989542] ? lock_acquire+0x170/0x3c0 [ 551.993552] __should_failslab+0x115/0x180 [ 551.997849] should_failslab+0x5/0x10 [ 552.001680] kmem_cache_alloc+0x277/0x370 [ 552.005857] __d_alloc+0x2b/0xa10 [ 552.009331] d_alloc+0x4a/0x230 [ 552.012634] d_alloc_parallel+0xeb/0x19e0 [ 552.016818] ? perf_trace_lock_acquire+0x530/0x530 [ 552.021856] ? perf_trace_lock+0xe2/0x4b0 [ 552.026067] ? __d_lookup_rcu+0x6b0/0x6b0 [ 552.030276] ? perf_trace_lock_acquire+0x530/0x530 [ 552.035329] ? perf_trace_lock_acquire+0x530/0x530 [ 552.040491] ? perf_trace_lock+0xe2/0x4b0 [ 552.044664] ? mark_held_locks+0xf0/0xf0 [ 552.048784] ? __lockdep_init_map+0x100/0x5a0 [ 552.053345] ? __lockdep_init_map+0x100/0x5a0 [ 552.057866] __lookup_slow+0x18d/0x4a0 [ 552.061785] ? check_preemption_disabled+0x41/0x280 [ 552.066863] ? follow_dotdot_rcu+0x1040/0x1040 [ 552.071493] ? __d_lookup+0x411/0x710 [ 552.075347] ? d_lookup+0x18e/0x250 [ 552.079038] lookup_one_len+0x163/0x190 [ 552.083044] ? try_lookup_one_len+0x180/0x180 [ 552.087568] start_creating+0xc9/0x220 [ 552.089867] audit: type=1804 audit(1625688402.970:232): pid=26450 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/520/cgroup.controllers" dev="sda1" ino=14198 res=1 [ 552.091476] __debugfs_create_file+0x5e/0x480 [ 552.091498] debugfs_create_u64+0x6c/0xa0 [ 552.091518] nbd_start_device+0x4bc/0xd60 [ 552.091533] ? security_capable+0x8f/0xc0 [ 552.091553] nbd_ioctl+0x62c/0xbe0 [ 552.091571] ? _copy_from_user+0xd2/0x130 [ 552.091587] ? nbd_disconnect_and_put+0x190/0x190 [ 552.091609] ? __lock_acquire+0x6de/0x3ff0 [ 552.091626] ? nbd_disconnect_and_put+0x190/0x190 [ 552.091644] blkdev_ioctl+0x5cb/0x1a80 [ 552.159836] ? blkpg_ioctl+0x9d0/0x9d0 [ 552.163768] ? perf_trace_lock_acquire+0x530/0x530 [ 552.168780] ? perf_trace_lock+0xe2/0x4b0 [ 552.173123] ? perf_trace_lock_acquire+0x530/0x530 [ 552.178079] ? perf_trace_lock+0xe2/0x4b0 [ 552.182276] block_ioctl+0xe9/0x130 [ 552.186092] ? blkdev_fallocate+0x3f0/0x3f0 [ 552.190475] do_vfs_ioctl+0xcdb/0x12e0 [ 552.194511] ? lock_downgrade+0x720/0x720 [ 552.198882] ? check_preemption_disabled+0x41/0x280 [ 552.203966] ? ioctl_preallocate+0x200/0x200 [ 552.208511] ? __fget+0x356/0x510 [ 552.212183] ? do_dup2+0x450/0x450 [ 552.215912] ? vfs_write+0x393/0x540 [ 552.219660] ? fput+0x2b/0x190 [ 552.223061] ksys_ioctl+0x9b/0xc0 [ 552.226647] __x64_sys_ioctl+0x6f/0xb0 [ 552.230632] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 552.235357] do_syscall_64+0xf9/0x620 [ 552.239716] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 552.245106] RIP: 0033:0x4665d9 [ 552.248354] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 552.267749] RSP: 002b:00007f1a555b9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 552.275484] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 552.282774] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 552.290374] RBP: 00007f1a555b91d0 R08: 0000000000000000 R09: 0000000000000000 [ 552.297803] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 20:06:43 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r3, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r2, 0xffffffffffffffff, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 552.305090] R13: 00007ffc97a4e28f R14: 00007f1a555b9300 R15: 0000000000022000 [ 552.326591] block nbd0: shutting down sockets [ 552.334159] block nbd3: shutting down sockets [ 552.352502] block nbd5: shutting down sockets 20:06:43 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:43 executing program 2 (fault-call:3 fault-nth:15): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:43 executing program 0 (fault-call:5 fault-nth:14): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1268) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 552.425208] block nbd4: shutting down sockets 20:06:43 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125f) [ 552.481036] FAULT_INJECTION: forcing a failure. [ 552.481036] name failslab, interval 1, probability 0, space 0, times 0 [ 552.493815] block nbd5: shutting down sockets [ 552.513563] audit: type=1804 audit(1625688403.400:233): pid=26460 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/521/cgroup.controllers" dev="sda1" ino=14169 res=1 [ 552.515259] CPU: 0 PID: 26459 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 552.546566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 552.555973] Call Trace: [ 552.558581] dump_stack+0x1fc/0x2ef [ 552.562238] should_fail.cold+0xa/0xf [ 552.566150] ? setup_fault_attr+0x200/0x200 [ 552.570497] ? lock_acquire+0x170/0x3c0 [ 552.574505] __should_failslab+0x115/0x180 [ 552.578771] should_failslab+0x5/0x10 [ 552.582601] kmem_cache_alloc+0x277/0x370 [ 552.586870] alloc_inode+0xab/0x180 [ 552.590520] new_inode+0x1d/0xf0 [ 552.590742] FAULT_INJECTION: forcing a failure. [ 552.590742] name failslab, interval 1, probability 0, space 0, times 0 [ 552.593908] debugfs_get_inode+0x1a/0x130 [ 552.593924] __debugfs_create_file+0xb2/0x480 [ 552.593944] debugfs_create_u64+0x6c/0xa0 [ 552.593962] nbd_start_device+0x4bc/0xd60 [ 552.593978] ? security_capable+0x8f/0xc0 [ 552.593997] nbd_ioctl+0x62c/0xbe0 [ 552.594014] ? _copy_from_user+0xd2/0x130 [ 552.594031] ? nbd_disconnect_and_put+0x190/0x190 [ 552.594063] ? __lock_acquire+0x6de/0x3ff0 [ 552.643446] ? nbd_disconnect_and_put+0x190/0x190 [ 552.648317] blkdev_ioctl+0x5cb/0x1a80 [ 552.652485] ? blkpg_ioctl+0x9d0/0x9d0 [ 552.656388] ? perf_trace_lock_acquire+0x530/0x530 [ 552.661345] ? perf_trace_lock+0xe2/0x4b0 [ 552.665548] ? perf_trace_lock_acquire+0x530/0x530 [ 552.670488] ? perf_trace_lock+0xe2/0x4b0 [ 552.674657] block_ioctl+0xe9/0x130 [ 552.678287] ? blkdev_fallocate+0x3f0/0x3f0 [ 552.682632] do_vfs_ioctl+0xcdb/0x12e0 [ 552.686551] ? lock_downgrade+0x720/0x720 [ 552.690706] ? check_preemption_disabled+0x41/0x280 [ 552.695733] ? ioctl_preallocate+0x200/0x200 [ 552.700241] ? __fget+0x356/0x510 [ 552.703704] ? do_dup2+0x450/0x450 [ 552.707244] ? vfs_write+0x393/0x540 [ 552.710968] ? fput+0x2b/0x190 [ 552.714175] ksys_ioctl+0x9b/0xc0 [ 552.717645] __x64_sys_ioctl+0x6f/0xb0 [ 552.721538] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 552.726122] do_syscall_64+0xf9/0x620 [ 552.729931] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 552.735128] RIP: 0033:0x4665d9 [ 552.738331] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 552.757240] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 552.764964] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 552.772247] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 552.779528] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 552.786812] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 552.794098] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 552.801424] CPU: 1 PID: 26470 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 552.804675] block nbd0: shutting down sockets [ 552.809340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 552.809346] Call Trace: [ 552.809369] dump_stack+0x1fc/0x2ef [ 552.809391] should_fail.cold+0xa/0xf [ 552.809410] ? setup_fault_attr+0x200/0x200 [ 552.837684] ? lock_acquire+0x170/0x3c0 [ 552.841708] __should_failslab+0x115/0x180 [ 552.845963] should_failslab+0x5/0x10 [ 552.849780] kmem_cache_alloc+0x277/0x370 [ 552.853523] block nbd5: shutting down sockets [ 552.853934] __kernfs_new_node+0xd2/0x680 [ 552.862568] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 552.867350] ? __mutex_unlock_slowpath+0xea/0x610 [ 552.872211] ? wait_for_completion_io+0x10/0x10 [ 552.876897] ? kernfs_next_descendant_post+0x19c/0x290 20:06:43 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x0) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:43 executing program 0 (fault-call:5 fault-nth:15): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1269) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 552.882200] kernfs_new_node+0x92/0x120 [ 552.886195] __kernfs_create_file+0x51/0x340 [ 552.890836] sysfs_add_file_mode_ns+0x226/0x540 [ 552.895535] internal_create_group+0x355/0xb20 [ 552.900141] ? sysfs_remove_link_from_group+0x70/0x70 [ 552.905358] ? lock_downgrade+0x720/0x720 [ 552.909540] lo_ioctl+0xf7c/0x20e0 [ 552.913108] ? loop_set_status64+0x110/0x110 [ 552.917555] blkdev_ioctl+0x5cb/0x1a80 [ 552.921445] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 552.926841] ? blkpg_ioctl+0x9d0/0x9d0 [ 552.930725] ? perf_trace_lock_acquire+0x530/0x530 [ 552.935740] ? perf_trace_lock+0xe2/0x4b0 [ 552.939929] ? perf_trace_lock_acquire+0x530/0x530 [ 552.944865] ? lock_downgrade+0x720/0x720 [ 552.949033] block_ioctl+0xe9/0x130 [ 552.952744] ? blkdev_fallocate+0x3f0/0x3f0 [ 552.957119] do_vfs_ioctl+0xcdb/0x12e0 [ 552.961007] ? lock_downgrade+0x720/0x720 [ 552.965177] ? check_preemption_disabled+0x41/0x280 [ 552.970215] ? ioctl_preallocate+0x200/0x200 [ 552.974753] ? __fget+0x356/0x510 [ 552.978226] ? do_dup2+0x450/0x450 [ 552.981773] ? do_sys_open+0x2bf/0x520 [ 552.985677] ksys_ioctl+0x9b/0xc0 [ 552.989123] __x64_sys_ioctl+0x6f/0xb0 [ 552.992999] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 552.997567] do_syscall_64+0xf9/0x620 [ 553.001368] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 553.006548] RIP: 0033:0x466397 [ 553.009729] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 553.028757] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 553.036459] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 553.043747] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 553.051011] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 553.058301] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 553.065576] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 553.112987] block nbd4: shutting down sockets [ 553.118099] block nbd3: shutting down sockets [ 553.125689] FAULT_INJECTION: forcing a failure. [ 553.125689] name failslab, interval 1, probability 0, space 0, times 0 [ 553.160529] CPU: 1 PID: 26482 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 553.168455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 553.177828] Call Trace: [ 553.180414] dump_stack+0x1fc/0x2ef [ 553.184049] should_fail.cold+0xa/0xf [ 553.187869] ? setup_fault_attr+0x200/0x200 [ 553.192218] ? lock_acquire+0x170/0x3c0 [ 553.196213] __should_failslab+0x115/0x180 [ 553.200465] should_failslab+0x5/0x10 [ 553.204276] kmem_cache_alloc+0x277/0x370 [ 553.208447] __d_alloc+0x2b/0xa10 [ 553.211919] ? __bpf_address_lookup+0x330/0x330 [ 553.216599] ? check_preemption_disabled+0x41/0x280 [ 553.221630] d_alloc+0x4a/0x230 [ 553.224923] d_alloc_parallel+0xeb/0x19e0 [ 553.229091] ? perf_trace_lock_acquire+0x530/0x530 [ 553.234161] ? perf_trace_lock+0xe2/0x4b0 [ 553.238331] ? __d_lookup_rcu+0x6b0/0x6b0 [ 553.242497] ? perf_trace_lock_acquire+0x530/0x530 [ 553.247456] ? perf_trace_lock_acquire+0x530/0x530 [ 553.252415] ? perf_trace_lock+0xe2/0x4b0 [ 553.256593] ? mark_held_locks+0xf0/0xf0 [ 553.260788] ? __lockdep_init_map+0x100/0x5a0 [ 553.265330] ? __lockdep_init_map+0x100/0x5a0 [ 553.269953] __lookup_slow+0x18d/0x4a0 [ 553.273865] ? check_preemption_disabled+0x41/0x280 [ 553.278913] ? follow_dotdot_rcu+0x1040/0x1040 [ 553.283527] ? __d_lookup+0x411/0x710 [ 553.287360] ? d_lookup+0x18e/0x250 [ 553.291018] lookup_one_len+0x163/0x190 [ 553.295031] ? try_lookup_one_len+0x180/0x180 [ 553.299561] start_creating+0xc9/0x220 [ 553.303470] __debugfs_create_file+0x5e/0x480 [ 553.307993] debugfs_create_u32+0x6c/0xa0 [ 553.312165] nbd_start_device+0x4d4/0xd60 [ 553.316354] ? security_capable+0x8f/0xc0 [ 553.320640] nbd_ioctl+0x62c/0xbe0 [ 553.324230] ? _copy_from_user+0xd2/0x130 [ 553.328423] ? nbd_disconnect_and_put+0x190/0x190 [ 553.333315] ? __lock_acquire+0x6de/0x3ff0 [ 553.337590] ? nbd_disconnect_and_put+0x190/0x190 [ 553.342452] blkdev_ioctl+0x5cb/0x1a80 [ 553.346357] ? blkpg_ioctl+0x9d0/0x9d0 [ 553.350299] ? perf_trace_lock_acquire+0x530/0x530 [ 553.355247] ? perf_trace_lock+0xe2/0x4b0 [ 553.359418] ? perf_trace_lock_acquire+0x530/0x530 [ 553.364398] ? perf_trace_lock+0xe2/0x4b0 [ 553.368605] block_ioctl+0xe9/0x130 [ 553.372254] ? blkdev_fallocate+0x3f0/0x3f0 [ 553.376624] do_vfs_ioctl+0xcdb/0x12e0 [ 553.380529] ? lock_downgrade+0x720/0x720 [ 553.384695] ? check_preemption_disabled+0x41/0x280 [ 553.389758] ? ioctl_preallocate+0x200/0x200 [ 553.394184] ? __fget+0x356/0x510 [ 553.397746] ? do_dup2+0x450/0x450 [ 553.401291] ? vfs_write+0x393/0x540 [ 553.405017] ? fput+0x2b/0x190 [ 553.408240] ksys_ioctl+0x9b/0xc0 [ 553.411704] __x64_sys_ioctl+0x6f/0xb0 [ 553.415686] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 553.420278] do_syscall_64+0xf9/0x620 [ 553.424095] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 553.429327] RIP: 0033:0x4665d9 [ 553.432534] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 553.451452] RSP: 002b:00007f1a555b9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 553.459207] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 553.466493] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 553.473953] RBP: 00007f1a555b91d0 R08: 0000000000000000 R09: 0000000000000000 [ 553.481258] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 553.488547] R13: 00007ffc97a4e28f R14: 00007f1a555b9300 R15: 0000000000022000 20:06:44 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125f) [ 553.492048] audit: type=1804 audit(1625688404.040:234): pid=26494 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/522/cgroup.controllers" dev="sda1" ino=14218 res=1 [ 553.542674] block nbd3: shutting down sockets [ 553.551938] block nbd5: shutting down sockets 20:06:44 executing program 2 (fault-call:3 fault-nth:16): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:44 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1268) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 553.582192] block nbd5: shutting down sockets [ 553.639330] block nbd0: shutting down sockets [ 553.659836] block nbd4: shutting down sockets 20:06:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1274) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:44 executing program 0 (fault-call:5 fault-nth:16): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 553.748915] FAULT_INJECTION: forcing a failure. [ 553.748915] name failslab, interval 1, probability 0, space 0, times 0 [ 553.762632] CPU: 0 PID: 26506 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 553.770585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 553.775396] block nbd3: shutting down sockets [ 553.779987] Call Trace: [ 553.780015] dump_stack+0x1fc/0x2ef [ 553.780036] should_fail.cold+0xa/0xf [ 553.780054] ? setup_fault_attr+0x200/0x200 20:06:44 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125f) [ 553.780076] ? lock_acquire+0x170/0x3c0 [ 553.803363] ? dev_uevent_filter+0xd0/0xd0 [ 553.807627] __should_failslab+0x115/0x180 [ 553.811896] should_failslab+0x5/0x10 [ 553.815787] kmem_cache_alloc_trace+0x284/0x380 [ 553.820514] ? dev_uevent_filter+0xd0/0xd0 [ 553.824780] kobject_uevent_env+0x236/0x1480 [ 553.829373] lo_ioctl+0xff9/0x20e0 [ 553.832950] ? loop_set_status64+0x110/0x110 [ 553.837388] blkdev_ioctl+0x5cb/0x1a80 [ 553.841282] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 553.846735] ? blkpg_ioctl+0x9d0/0x9d0 [ 553.850610] ? perf_trace_lock_acquire+0x530/0x530 [ 553.855536] ? perf_trace_lock+0xe2/0x4b0 [ 553.859688] ? perf_trace_lock_acquire+0x530/0x530 [ 553.864617] ? lock_downgrade+0x720/0x720 [ 553.868769] block_ioctl+0xe9/0x130 [ 553.872400] ? blkdev_fallocate+0x3f0/0x3f0 [ 553.876738] do_vfs_ioctl+0xcdb/0x12e0 [ 553.880911] ? lock_downgrade+0x720/0x720 [ 553.885074] ? check_preemption_disabled+0x41/0x280 [ 553.890344] ? ioctl_preallocate+0x200/0x200 [ 553.894830] ? __fget+0x356/0x510 [ 553.898291] ? do_dup2+0x450/0x450 [ 553.901837] ? do_sys_open+0x2bf/0x520 [ 553.905744] ksys_ioctl+0x9b/0xc0 [ 553.909197] __x64_sys_ioctl+0x6f/0xb0 [ 553.913087] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 553.917680] do_syscall_64+0xf9/0x620 [ 553.921492] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 553.926695] RIP: 0033:0x466397 [ 553.929879] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 20:06:44 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x0) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 553.948895] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 553.956610] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 553.963927] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 553.971215] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 553.978518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 553.985796] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 554.014258] block nbd5: shutting down sockets 20:06:45 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125f) [ 554.042517] block nbd3: shutting down sockets [ 554.051238] FAULT_INJECTION: forcing a failure. [ 554.051238] name failslab, interval 1, probability 0, space 0, times 0 [ 554.081644] block nbd5: shutting down sockets [ 554.110601] CPU: 1 PID: 26517 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 554.118541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 554.127994] Call Trace: [ 554.130597] dump_stack+0x1fc/0x2ef [ 554.134242] should_fail.cold+0xa/0xf [ 554.138078] ? setup_fault_attr+0x200/0x200 [ 554.142416] ? lock_acquire+0x170/0x3c0 [ 554.146423] __should_failslab+0x115/0x180 [ 554.150668] should_failslab+0x5/0x10 [ 554.154472] kmem_cache_alloc+0x277/0x370 [ 554.158631] __d_alloc+0x2b/0xa10 [ 554.162091] ? __bpf_address_lookup+0x330/0x330 [ 554.166780] ? check_preemption_disabled+0x41/0x280 [ 554.171811] d_alloc+0x4a/0x230 [ 554.175111] d_alloc_parallel+0xeb/0x19e0 [ 554.179369] ? perf_trace_lock_acquire+0x530/0x530 [ 554.184340] ? perf_trace_lock+0xe2/0x4b0 [ 554.188528] ? __d_lookup_rcu+0x6b0/0x6b0 [ 554.192710] ? perf_trace_lock_acquire+0x530/0x530 [ 554.197788] ? perf_trace_lock_acquire+0x530/0x530 [ 554.202785] ? perf_trace_lock+0xe2/0x4b0 [ 554.211742] ? mark_held_locks+0xf0/0xf0 [ 554.215835] ? __lockdep_init_map+0x100/0x5a0 [ 554.220353] ? __lockdep_init_map+0x100/0x5a0 [ 554.224870] __lookup_slow+0x18d/0x4a0 [ 554.228775] ? check_preemption_disabled+0x41/0x280 [ 554.233806] ? follow_dotdot_rcu+0x1040/0x1040 [ 554.238499] ? __d_lookup+0x411/0x710 [ 554.242534] ? d_lookup+0x18e/0x250 [ 554.246208] lookup_one_len+0x163/0x190 [ 554.248066] audit: type=1804 audit(1625688404.990:235): pid=26525 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/523/cgroup.controllers" dev="sda1" ino=14212 res=1 [ 554.250685] ? try_lookup_one_len+0x180/0x180 [ 554.250712] start_creating+0xc9/0x220 [ 554.250727] __debugfs_create_file+0x5e/0x480 [ 554.250748] debugfs_create_u32+0x6c/0xa0 [ 554.293057] nbd_start_device+0x4d4/0xd60 [ 554.297217] ? security_capable+0x8f/0xc0 [ 554.301384] nbd_ioctl+0x62c/0xbe0 [ 554.304937] ? _copy_from_user+0xd2/0x130 [ 554.309111] ? nbd_disconnect_and_put+0x190/0x190 [ 554.313977] ? __lock_acquire+0x6de/0x3ff0 [ 554.318228] ? nbd_disconnect_and_put+0x190/0x190 [ 554.323089] blkdev_ioctl+0x5cb/0x1a80 [ 554.326993] ? blkpg_ioctl+0x9d0/0x9d0 [ 554.330898] ? perf_trace_lock_acquire+0x530/0x530 [ 554.335868] ? perf_trace_lock+0xe2/0x4b0 [ 554.340034] ? perf_trace_lock_acquire+0x530/0x530 [ 554.344980] ? perf_trace_lock+0xe2/0x4b0 [ 554.349172] block_ioctl+0xe9/0x130 [ 554.352805] ? blkdev_fallocate+0x3f0/0x3f0 [ 554.357139] do_vfs_ioctl+0xcdb/0x12e0 [ 554.361045] ? lock_downgrade+0x720/0x720 [ 554.365299] ? check_preemption_disabled+0x41/0x280 [ 554.370327] ? ioctl_preallocate+0x200/0x200 [ 554.374787] ? __fget+0x356/0x510 [ 554.378274] ? do_dup2+0x450/0x450 [ 554.381841] ? vfs_write+0x393/0x540 [ 554.385921] ? fput+0x2b/0x190 [ 554.389149] ksys_ioctl+0x9b/0xc0 [ 554.392626] __x64_sys_ioctl+0x6f/0xb0 [ 554.396525] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 554.401148] do_syscall_64+0xf9/0x620 [ 554.404973] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 554.410175] RIP: 0033:0x4665d9 [ 554.413372] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 554.432391] RSP: 002b:00007f1a555b9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 554.440212] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 554.447508] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 554.454878] RBP: 00007f1a555b91d0 R08: 0000000000000000 R09: 0000000000000000 20:06:45 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x0) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1276) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:45 executing program 2 (fault-call:3 fault-nth:17): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1269) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:45 executing program 4: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125f) [ 554.462160] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 554.467831] audit: type=1804 audit(1625688404.990:236): pid=26532 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/524/cgroup.controllers" dev="sda1" ino=14215 res=1 [ 554.469437] R13: 00007ffc97a4e28f R14: 00007f1a555b9300 R15: 0000000000022000 20:06:45 executing program 0 (fault-call:5 fault-nth:17): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 554.523291] block nbd0: shutting down sockets [ 554.535006] block nbd5: shutting down sockets 20:06:45 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r3, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r2, r1, 0x0, 0x100000002) ioctl$TUNSETLINK(0xffffffffffffffff, 0x8912, 0x400308) [ 554.581984] block nbd5: shutting down sockets [ 554.592087] block nbd3: shutting down sockets [ 554.617009] FAULT_INJECTION: forcing a failure. [ 554.617009] name failslab, interval 1, probability 0, space 0, times 0 20:06:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1277) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125f) [ 554.641850] block nbd3: shutting down sockets [ 554.659535] CPU: 1 PID: 26544 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 554.667457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 554.676819] Call Trace: [ 554.679431] dump_stack+0x1fc/0x2ef [ 554.683081] should_fail.cold+0xa/0xf [ 554.686909] ? setup_fault_attr+0x200/0x200 [ 554.691286] ? lock_acquire+0x170/0x3c0 [ 554.695263] ? dev_uevent_filter+0xd0/0xd0 [ 554.699579] __should_failslab+0x115/0x180 [ 554.704013] should_failslab+0x5/0x10 [ 554.707867] kmem_cache_alloc_trace+0x284/0x380 [ 554.712532] ? dev_uevent_filter+0xd0/0xd0 [ 554.716765] kobject_uevent_env+0x236/0x1480 [ 554.721302] lo_ioctl+0xff9/0x20e0 [ 554.724867] ? loop_set_status64+0x110/0x110 [ 554.729359] blkdev_ioctl+0x5cb/0x1a80 [ 554.733242] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 554.738614] ? blkpg_ioctl+0x9d0/0x9d0 [ 554.742498] ? perf_trace_lock_acquire+0x530/0x530 [ 554.747420] ? perf_trace_lock+0xe2/0x4b0 [ 554.751577] ? perf_trace_lock_acquire+0x530/0x530 [ 554.756604] ? lock_downgrade+0x720/0x720 [ 554.760766] block_ioctl+0xe9/0x130 [ 554.764389] ? blkdev_fallocate+0x3f0/0x3f0 [ 554.768814] do_vfs_ioctl+0xcdb/0x12e0 [ 554.772927] ? lock_downgrade+0x720/0x720 [ 554.777191] ? check_preemption_disabled+0x41/0x280 [ 554.782210] ? ioctl_preallocate+0x200/0x200 [ 554.786704] ? __fget+0x356/0x510 [ 554.790164] ? do_dup2+0x450/0x450 [ 554.793693] ? do_sys_open+0x2bf/0x520 [ 554.797621] ksys_ioctl+0x9b/0xc0 [ 554.801208] __x64_sys_ioctl+0x6f/0xb0 [ 554.805123] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 554.809936] do_syscall_64+0xf9/0x620 [ 554.813757] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 554.818974] RIP: 0033:0x466397 [ 554.822172] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 20:06:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1274) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 554.841409] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 554.849352] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 554.856661] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 554.863952] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 554.871223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 554.878507] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 554.917923] FAULT_INJECTION: forcing a failure. [ 554.917923] name failslab, interval 1, probability 0, space 0, times 0 [ 554.943108] CPU: 1 PID: 26552 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 554.951110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 554.960514] Call Trace: [ 554.963169] dump_stack+0x1fc/0x2ef 20:06:45 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125f) [ 554.966830] should_fail.cold+0xa/0xf [ 554.970750] ? setup_fault_attr+0x200/0x200 [ 554.975280] ? lock_acquire+0x170/0x3c0 [ 554.979290] __should_failslab+0x115/0x180 [ 554.983565] should_failslab+0x5/0x10 [ 554.987399] kmem_cache_alloc+0x277/0x370 [ 554.991575] __d_alloc+0x2b/0xa10 [ 554.995078] ? __bpf_address_lookup+0x330/0x330 [ 554.999768] ? check_preemption_disabled+0x41/0x280 [ 555.004793] d_alloc+0x4a/0x230 [ 555.008094] d_alloc_parallel+0xeb/0x19e0 [ 555.012261] ? perf_trace_lock_acquire+0x530/0x530 [ 555.017200] ? perf_trace_lock+0xe2/0x4b0 [ 555.021447] ? __d_lookup_rcu+0x6b0/0x6b0 [ 555.025597] ? perf_trace_lock_acquire+0x530/0x530 [ 555.031504] ? perf_trace_lock_acquire+0x530/0x530 [ 555.037263] ? perf_trace_lock+0xe2/0x4b0 [ 555.041742] ? mark_held_locks+0xf0/0xf0 [ 555.045925] ? __lockdep_init_map+0x100/0x5a0 [ 555.050485] ? __lockdep_init_map+0x100/0x5a0 [ 555.054992] __lookup_slow+0x18d/0x4a0 [ 555.058878] ? check_preemption_disabled+0x41/0x280 [ 555.063900] ? follow_dotdot_rcu+0x1040/0x1040 [ 555.068768] ? __d_lookup+0x411/0x710 [ 555.072797] ? d_lookup+0x18e/0x250 [ 555.076619] lookup_one_len+0x163/0x190 [ 555.080620] ? try_lookup_one_len+0x180/0x180 [ 555.085144] start_creating+0xc9/0x220 [ 555.089046] __debugfs_create_file+0x5e/0x480 [ 555.094011] debugfs_create_u64+0x6c/0xa0 [ 555.098175] nbd_start_device+0x4ef/0xd60 [ 555.102329] ? security_capable+0x8f/0xc0 [ 555.106492] nbd_ioctl+0x62c/0xbe0 [ 555.110060] ? _copy_from_user+0xd2/0x130 [ 555.114260] ? nbd_disconnect_and_put+0x190/0x190 [ 555.119617] ? __lock_acquire+0x6de/0x3ff0 [ 555.124308] ? nbd_disconnect_and_put+0x190/0x190 [ 555.129814] blkdev_ioctl+0x5cb/0x1a80 [ 555.133717] ? blkpg_ioctl+0x9d0/0x9d0 [ 555.137631] ? perf_trace_lock_acquire+0x530/0x530 [ 555.142892] ? perf_trace_lock+0xe2/0x4b0 [ 555.147084] ? perf_trace_lock_acquire+0x530/0x530 [ 555.152192] ? perf_trace_lock+0xe2/0x4b0 [ 555.156450] block_ioctl+0xe9/0x130 [ 555.160072] ? blkdev_fallocate+0x3f0/0x3f0 [ 555.164462] do_vfs_ioctl+0xcdb/0x12e0 [ 555.168366] ? lock_downgrade+0x720/0x720 [ 555.173206] ? check_preemption_disabled+0x41/0x280 [ 555.178229] ? ioctl_preallocate+0x200/0x200 [ 555.182651] ? __fget+0x356/0x510 [ 555.186115] ? do_dup2+0x450/0x450 [ 555.189654] ? vfs_write+0x393/0x540 [ 555.193380] ? fput+0x2b/0x190 [ 555.196602] ksys_ioctl+0x9b/0xc0 [ 555.200130] __x64_sys_ioctl+0x6f/0xb0 [ 555.204039] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 555.208785] do_syscall_64+0xf9/0x620 [ 555.212618] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 555.217838] RIP: 0033:0x4665d9 [ 555.221037] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 555.239965] RSP: 002b:00007f1a555b9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 555.247695] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 555.254971] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 555.262437] RBP: 00007f1a555b91d0 R08: 0000000000000000 R09: 0000000000000000 [ 555.269834] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 555.277112] R13: 00007ffc97a4e28f R14: 00007f1a555b9300 R15: 0000000000022000 [ 555.289526] block nbd0: shutting down sockets 20:06:46 executing program 2 (fault-call:3 fault-nth:18): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:46 executing program 0 (fault-call:5 fault-nth:18): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 555.333318] block nbd3: shutting down sockets [ 555.337952] block nbd5: shutting down sockets [ 555.371364] block nbd5: shutting down sockets [ 555.376835] block nbd3: shutting down sockets 20:06:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1278) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:46 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125f) 20:06:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1276) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 555.464121] audit: type=1804 audit(1625688406.350:237): pid=26569 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/525/cgroup.controllers" dev="sda1" ino=14207 res=1 [ 555.501330] FAULT_INJECTION: forcing a failure. [ 555.501330] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 555.513286] CPU: 0 PID: 26576 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 555.521178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 555.530540] Call Trace: [ 555.533150] dump_stack+0x1fc/0x2ef [ 555.536792] should_fail.cold+0xa/0xf [ 555.540600] ? perf_trace_lock+0xe2/0x4b0 [ 555.544755] ? setup_fault_attr+0x200/0x200 [ 555.549133] ? perf_trace_lock_acquire+0x530/0x530 [ 555.554083] __alloc_pages_nodemask+0x239/0x2890 [ 555.558848] ? __mutex_lock+0x365/0x1200 [ 555.562955] ? kernfs_add_one+0x36a/0x4c0 [ 555.567221] ? __lock_acquire+0x6de/0x3ff0 [ 555.571448] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 555.576346] ? __mutex_unlock_slowpath+0xea/0x610 [ 555.581417] ? check_preemption_disabled+0x41/0x280 [ 555.586431] ? perf_trace_lock+0xe2/0x4b0 [ 555.590674] ? kernfs_next_descendant_post+0x19c/0x290 [ 555.596069] ? perf_trace_lock_acquire+0x530/0x530 [ 555.601012] ? kernfs_add_one+0x124/0x4c0 [ 555.605475] cache_grow_begin+0xa4/0x8a0 [ 555.609701] ? setup_fault_attr+0x200/0x200 [ 555.614066] ? cache_alloc_pfmemalloc+0x1e/0x140 [ 555.618966] cache_alloc_refill+0x273/0x340 [ 555.623317] kmem_cache_alloc_trace+0x354/0x380 [ 555.628025] ? dev_uevent_filter+0xd0/0xd0 [ 555.632279] kobject_uevent_env+0x236/0x1480 [ 555.636743] lo_ioctl+0xff9/0x20e0 [ 555.640327] ? loop_set_status64+0x110/0x110 [ 555.644736] blkdev_ioctl+0x5cb/0x1a80 [ 555.648635] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 555.654037] ? blkpg_ioctl+0x9d0/0x9d0 [ 555.657942] ? perf_trace_lock_acquire+0x530/0x530 [ 555.662893] ? perf_trace_lock+0xe2/0x4b0 [ 555.667056] ? perf_trace_lock_acquire+0x530/0x530 [ 555.672027] ? lock_downgrade+0x720/0x720 [ 555.676292] block_ioctl+0xe9/0x130 [ 555.679932] ? blkdev_fallocate+0x3f0/0x3f0 [ 555.684267] do_vfs_ioctl+0xcdb/0x12e0 [ 555.688292] ? lock_downgrade+0x720/0x720 [ 555.692457] ? check_preemption_disabled+0x41/0x280 [ 555.698089] ? ioctl_preallocate+0x200/0x200 [ 555.702526] ? __fget+0x356/0x510 [ 555.705989] ? do_dup2+0x450/0x450 [ 555.709577] ? do_sys_open+0x2bf/0x520 [ 555.713484] ksys_ioctl+0x9b/0xc0 [ 555.716979] __x64_sys_ioctl+0x6f/0xb0 [ 555.720870] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 555.725448] do_syscall_64+0xf9/0x620 [ 555.729263] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 555.734484] RIP: 0033:0x466397 [ 555.737693] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 555.756620] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 20:06:46 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125f) [ 555.764331] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 555.771623] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 555.778923] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 555.786580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 555.793890] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 555.833962] block nbd5: shutting down sockets [ 555.840091] FAULT_INJECTION: forcing a failure. [ 555.840091] name failslab, interval 1, probability 0, space 0, times 0 [ 555.882039] block nbd5: shutting down sockets [ 555.882413] block nbd3: shutting down sockets [ 555.895274] CPU: 0 PID: 26574 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 555.903203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 555.912855] Call Trace: [ 555.915487] dump_stack+0x1fc/0x2ef [ 555.919136] should_fail.cold+0xa/0xf [ 555.922957] ? setup_fault_attr+0x200/0x200 [ 555.927303] ? lock_acquire+0x170/0x3c0 [ 555.931308] __should_failslab+0x115/0x180 [ 555.935667] should_failslab+0x5/0x10 [ 555.939487] kmem_cache_alloc+0x277/0x370 [ 555.943689] alloc_inode+0xab/0x180 [ 555.947327] new_inode+0x1d/0xf0 [ 555.950706] debugfs_get_inode+0x1a/0x130 [ 555.954893] __debugfs_create_file+0xb2/0x480 [ 555.959494] debugfs_create_u64+0x6c/0xa0 [ 555.963656] nbd_start_device+0x4ef/0xd60 [ 555.967813] ? security_capable+0x8f/0xc0 [ 555.971981] nbd_ioctl+0x62c/0xbe0 [ 555.975535] ? _copy_from_user+0xd2/0x130 [ 555.979697] ? nbd_disconnect_and_put+0x190/0x190 [ 555.984823] ? __lock_acquire+0x6de/0x3ff0 [ 555.989081] ? nbd_disconnect_and_put+0x190/0x190 [ 555.993934] blkdev_ioctl+0x5cb/0x1a80 [ 555.997845] ? blkpg_ioctl+0x9d0/0x9d0 [ 556.001834] ? perf_trace_lock_acquire+0x530/0x530 [ 556.006774] ? perf_trace_lock+0xe2/0x4b0 [ 556.010933] ? perf_trace_lock_acquire+0x530/0x530 [ 556.016053] ? perf_trace_lock+0xe2/0x4b0 [ 556.020487] block_ioctl+0xe9/0x130 [ 556.024129] ? blkdev_fallocate+0x3f0/0x3f0 [ 556.028464] do_vfs_ioctl+0xcdb/0x12e0 20:06:46 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r3, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r2, r1, 0x0, 0x100000002) ioctl$TUNSETLINK(0xffffffffffffffff, 0x8912, 0x400308) [ 556.032370] ? lock_downgrade+0x720/0x720 [ 556.036628] ? check_preemption_disabled+0x41/0x280 [ 556.041666] ? ioctl_preallocate+0x200/0x200 [ 556.046123] ? __fget+0x356/0x510 [ 556.049651] ? do_dup2+0x450/0x450 [ 556.053222] ? vfs_write+0x393/0x540 [ 556.056979] ? fput+0x2b/0x190 [ 556.060242] ksys_ioctl+0x9b/0xc0 [ 556.063724] __x64_sys_ioctl+0x6f/0xb0 [ 556.067662] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 556.072266] do_syscall_64+0xf9/0x620 [ 556.076129] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 556.081336] RIP: 0033:0x4665d9 [ 556.084543] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 556.103662] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 556.111636] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 556.119028] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 20:06:47 executing program 4: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125f) 20:06:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1277) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:47 executing program 2 (fault-call:3 fault-nth:19): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1279) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:47 executing program 0 (fault-call:5 fault-nth:19): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 556.126960] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 556.134391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 556.141681] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 556.162288] block nbd0: shutting down sockets 20:06:47 executing program 4: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125f) [ 556.271044] FAULT_INJECTION: forcing a failure. [ 556.271044] name failslab, interval 1, probability 0, space 0, times 0 [ 556.282592] block nbd3: shutting down sockets [ 556.283127] audit: type=1804 audit(1625688407.150:238): pid=26610 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/526/cgroup.controllers" dev="sda1" ino=14034 res=1 [ 556.290547] CPU: 0 PID: 26604 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 556.320308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 556.326681] block nbd5: shutting down sockets [ 556.329694] Call Trace: [ 556.336860] dump_stack+0x1fc/0x2ef [ 556.340539] should_fail.cold+0xa/0xf [ 556.344474] ? setup_fault_attr+0x200/0x200 [ 556.348856] ? lock_acquire+0x170/0x3c0 [ 556.352872] __should_failslab+0x115/0x180 [ 556.357155] should_failslab+0x5/0x10 [ 556.361001] kmem_cache_alloc_node+0x245/0x3b0 [ 556.366048] __alloc_skb+0x71/0x560 [ 556.369851] alloc_uevent_skb+0x7b/0x210 [ 556.373951] kobject_uevent_env+0xa90/0x1480 [ 556.378416] lo_ioctl+0xff9/0x20e0 [ 556.382037] ? loop_set_status64+0x110/0x110 [ 556.386602] blkdev_ioctl+0x5cb/0x1a80 [ 556.390688] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 556.396086] ? blkpg_ioctl+0x9d0/0x9d0 [ 556.400007] ? perf_trace_lock_acquire+0x530/0x530 [ 556.405124] ? perf_trace_lock+0xe2/0x4b0 [ 556.409331] ? perf_trace_lock_acquire+0x530/0x530 [ 556.414329] ? lock_downgrade+0x720/0x720 [ 556.418487] block_ioctl+0xe9/0x130 [ 556.422128] ? blkdev_fallocate+0x3f0/0x3f0 [ 556.426470] do_vfs_ioctl+0xcdb/0x12e0 [ 556.430390] ? lock_downgrade+0x720/0x720 [ 556.434542] ? check_preemption_disabled+0x41/0x280 [ 556.439637] ? ioctl_preallocate+0x200/0x200 [ 556.444230] ? __fget+0x356/0x510 [ 556.447844] ? do_dup2+0x450/0x450 [ 556.451433] ? do_sys_open+0x2bf/0x520 [ 556.455414] ksys_ioctl+0x9b/0xc0 [ 556.458894] __x64_sys_ioctl+0x6f/0xb0 [ 556.462891] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 556.467485] do_syscall_64+0xf9/0x620 [ 556.471297] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 556.476529] RIP: 0033:0x466397 [ 556.479735] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 556.498631] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 556.506345] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 556.513624] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 556.520889] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 556.528157] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 556.535595] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 556.575848] FAULT_INJECTION: forcing a failure. [ 556.575848] name failslab, interval 1, probability 0, space 0, times 0 [ 556.592243] block nbd3: shutting down sockets [ 556.592723] block nbd5: shutting down sockets 20:06:47 executing program 2 (fault-call:3 fault-nth:20): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1278) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 556.633263] CPU: 1 PID: 26615 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 556.641187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 556.650550] Call Trace: [ 556.653162] dump_stack+0x1fc/0x2ef [ 556.656816] should_fail.cold+0xa/0xf [ 556.660677] ? setup_fault_attr+0x200/0x200 [ 556.665275] ? lock_acquire+0x170/0x3c0 [ 556.669269] __should_failslab+0x115/0x180 [ 556.673612] should_failslab+0x5/0x10 [ 556.677429] kmem_cache_alloc+0x277/0x370 20:06:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127a) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 556.681774] __d_alloc+0x2b/0xa10 [ 556.685244] d_alloc+0x4a/0x230 [ 556.688537] d_alloc_parallel+0xeb/0x19e0 [ 556.692715] ? perf_trace_lock_acquire+0x530/0x530 [ 556.697664] ? perf_trace_lock+0xe2/0x4b0 [ 556.701842] ? __d_lookup_rcu+0x6b0/0x6b0 [ 556.706008] ? perf_trace_lock_acquire+0x530/0x530 [ 556.711065] ? perf_trace_lock_acquire+0x530/0x530 [ 556.716053] ? perf_trace_lock+0xe2/0x4b0 [ 556.720214] ? mark_held_locks+0xf0/0xf0 [ 556.724289] ? __lockdep_init_map+0x100/0x5a0 [ 556.728884] ? __lockdep_init_map+0x100/0x5a0 20:06:47 executing program 4: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125f) [ 556.733440] __lookup_slow+0x18d/0x4a0 [ 556.737350] ? check_preemption_disabled+0x41/0x280 [ 556.742391] ? follow_dotdot_rcu+0x1040/0x1040 [ 556.747046] ? __d_lookup+0x411/0x710 [ 556.750915] ? d_lookup+0x18e/0x250 [ 556.754577] lookup_one_len+0x163/0x190 [ 556.758601] ? try_lookup_one_len+0x180/0x180 [ 556.763263] start_creating+0xc9/0x220 [ 556.767202] __debugfs_create_file+0x5e/0x480 [ 556.771731] nbd_start_device+0x50d/0xd60 [ 556.775903] ? security_capable+0x8f/0xc0 [ 556.780076] nbd_ioctl+0x62c/0xbe0 [ 556.783639] ? _copy_from_user+0xd2/0x130 [ 556.787818] ? nbd_disconnect_and_put+0x190/0x190 [ 556.792694] ? __lock_acquire+0x6de/0x3ff0 [ 556.796969] ? nbd_disconnect_and_put+0x190/0x190 [ 556.801843] blkdev_ioctl+0x5cb/0x1a80 [ 556.805759] ? blkpg_ioctl+0x9d0/0x9d0 [ 556.809672] ? perf_trace_lock_acquire+0x530/0x530 [ 556.814654] ? perf_trace_lock+0xe2/0x4b0 [ 556.818838] ? perf_trace_lock_acquire+0x530/0x530 [ 556.823794] ? perf_trace_lock+0xe2/0x4b0 [ 556.827982] block_ioctl+0xe9/0x130 [ 556.831637] ? blkdev_fallocate+0x3f0/0x3f0 [ 556.835989] do_vfs_ioctl+0xcdb/0x12e0 [ 556.839999] ? lock_downgrade+0x720/0x720 [ 556.844199] ? check_preemption_disabled+0x41/0x280 [ 556.849279] ? ioctl_preallocate+0x200/0x200 [ 556.853725] ? __fget+0x356/0x510 [ 556.857206] ? do_dup2+0x450/0x450 [ 556.860799] ? vfs_write+0x393/0x540 [ 556.864543] ? fput+0x2b/0x190 [ 556.867771] ksys_ioctl+0x9b/0xc0 [ 556.871250] __x64_sys_ioctl+0x6f/0xb0 [ 556.875167] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 556.879794] do_syscall_64+0xf9/0x620 20:06:47 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r3, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r2, r1, 0x0, 0x100000002) ioctl$TUNSETLINK(0xffffffffffffffff, 0x8912, 0x400308) [ 556.883630] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 556.888867] RIP: 0033:0x4665d9 [ 556.892169] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 556.911182] RSP: 002b:00007f1a555b9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 556.918902] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 556.926188] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 20:06:47 executing program 0 (fault-call:5 fault-nth:20): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 556.933455] RBP: 00007f1a555b91d0 R08: 0000000000000000 R09: 0000000000000000 [ 556.940830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 556.948105] R13: 00007ffc97a4e28f R14: 00007f1a555b9300 R15: 0000000000022000 [ 556.958588] block nbd0: shutting down sockets [ 557.082274] FAULT_INJECTION: forcing a failure. [ 557.082274] name failslab, interval 1, probability 0, space 0, times 0 [ 557.085108] FAULT_INJECTION: forcing a failure. [ 557.085108] name failslab, interval 1, probability 0, space 0, times 0 [ 557.097817] block nbd3: shutting down sockets [ 557.106861] CPU: 0 PID: 26633 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 557.118416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 557.127878] Call Trace: [ 557.130488] dump_stack+0x1fc/0x2ef [ 557.134138] should_fail.cold+0xa/0xf [ 557.137967] ? setup_fault_attr+0x200/0x200 [ 557.142296] ? lock_acquire+0x170/0x3c0 [ 557.146289] __should_failslab+0x115/0x180 [ 557.150563] should_failslab+0x5/0x10 [ 557.154381] kmem_cache_alloc_node+0x245/0x3b0 [ 557.158988] __alloc_skb+0x71/0x560 [ 557.162630] alloc_uevent_skb+0x7b/0x210 [ 557.166705] kobject_uevent_env+0xa90/0x1480 [ 557.171137] lo_ioctl+0xff9/0x20e0 [ 557.174696] ? loop_set_status64+0x110/0x110 [ 557.179122] blkdev_ioctl+0x5cb/0x1a80 [ 557.183023] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 557.188400] ? blkpg_ioctl+0x9d0/0x9d0 [ 557.192393] ? perf_trace_lock_acquire+0x530/0x530 [ 557.197342] ? perf_trace_lock+0xe2/0x4b0 [ 557.201544] ? perf_trace_lock_acquire+0x530/0x530 [ 557.206687] ? lock_downgrade+0x720/0x720 [ 557.210902] block_ioctl+0xe9/0x130 [ 557.214606] ? blkdev_fallocate+0x3f0/0x3f0 [ 557.218963] do_vfs_ioctl+0xcdb/0x12e0 [ 557.222880] ? lock_downgrade+0x720/0x720 [ 557.227044] ? check_preemption_disabled+0x41/0x280 [ 557.232091] ? ioctl_preallocate+0x200/0x200 [ 557.236525] ? __fget+0x356/0x510 [ 557.237295] audit: type=1804 audit(1625688408.120:239): pid=26635 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/527/cgroup.controllers" dev="sda1" ino=14277 res=1 [ 557.240021] ? do_dup2+0x450/0x450 [ 557.240039] ? do_sys_open+0x2bf/0x520 [ 557.240064] ksys_ioctl+0x9b/0xc0 [ 557.240082] __x64_sys_ioctl+0x6f/0xb0 [ 557.240098] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 557.240116] do_syscall_64+0xf9/0x620 [ 557.290415] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 557.295608] RIP: 0033:0x466397 [ 557.298806] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 557.317745] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 557.326164] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 20:06:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1268) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1279) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 557.333455] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 557.340743] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 557.348149] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 557.355431] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 557.377969] CPU: 1 PID: 26629 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 557.385972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 557.395370] Call Trace: [ 557.397972] dump_stack+0x1fc/0x2ef [ 557.401617] should_fail.cold+0xa/0xf [ 557.405440] ? setup_fault_attr+0x200/0x200 [ 557.409783] ? lock_acquire+0x170/0x3c0 [ 557.413793] __should_failslab+0x115/0x180 [ 557.418150] should_failslab+0x5/0x10 [ 557.421992] kmem_cache_alloc+0x277/0x370 [ 557.426185] __d_alloc+0x2b/0xa10 [ 557.429729] d_alloc+0x4a/0x230 [ 557.433079] d_alloc_parallel+0xeb/0x19e0 [ 557.437328] ? perf_trace_lock_acquire+0x530/0x530 [ 557.442311] ? perf_trace_lock+0xe2/0x4b0 [ 557.446488] ? __d_lookup_rcu+0x6b0/0x6b0 [ 557.450658] ? perf_trace_lock_acquire+0x530/0x530 [ 557.455610] ? perf_trace_lock_acquire+0x530/0x530 [ 557.460559] ? perf_trace_lock+0xe2/0x4b0 [ 557.464768] ? mark_held_locks+0xf0/0xf0 [ 557.469034] ? __lockdep_init_map+0x100/0x5a0 [ 557.473598] ? __lockdep_init_map+0x100/0x5a0 [ 557.478134] __lookup_slow+0x18d/0x4a0 [ 557.482081] ? check_preemption_disabled+0x41/0x280 [ 557.487153] ? follow_dotdot_rcu+0x1040/0x1040 [ 557.491768] ? __d_lookup+0x411/0x710 [ 557.495599] ? d_lookup+0x18e/0x250 [ 557.499250] lookup_one_len+0x163/0x190 [ 557.503250] ? try_lookup_one_len+0x180/0x180 [ 557.507789] start_creating+0xc9/0x220 [ 557.511699] __debugfs_create_file+0x5e/0x480 [ 557.516223] nbd_start_device+0x50d/0xd60 [ 557.520420] ? security_capable+0x8f/0xc0 [ 557.524710] nbd_ioctl+0x62c/0xbe0 [ 557.528266] ? _copy_from_user+0xd2/0x130 [ 557.532439] ? nbd_disconnect_and_put+0x190/0x190 [ 557.537400] ? __lock_acquire+0x6de/0x3ff0 [ 557.541654] ? nbd_disconnect_and_put+0x190/0x190 [ 557.546530] blkdev_ioctl+0x5cb/0x1a80 [ 557.550438] ? blkpg_ioctl+0x9d0/0x9d0 [ 557.554690] ? perf_trace_lock_acquire+0x530/0x530 [ 557.559635] ? perf_trace_lock+0xe2/0x4b0 [ 557.563836] ? perf_trace_lock_acquire+0x530/0x530 [ 557.568798] ? perf_trace_lock+0xe2/0x4b0 [ 557.572971] block_ioctl+0xe9/0x130 [ 557.576617] ? blkdev_fallocate+0x3f0/0x3f0 [ 557.581043] do_vfs_ioctl+0xcdb/0x12e0 [ 557.584952] ? lock_downgrade+0x720/0x720 [ 557.589118] ? check_preemption_disabled+0x41/0x280 [ 557.594156] ? ioctl_preallocate+0x200/0x200 [ 557.598592] ? __fget+0x356/0x510 [ 557.602069] ? do_dup2+0x450/0x450 [ 557.605704] ? vfs_write+0x393/0x540 [ 557.609438] ? fput+0x2b/0x190 [ 557.612681] ksys_ioctl+0x9b/0xc0 [ 557.616176] __x64_sys_ioctl+0x6f/0xb0 [ 557.620076] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 557.624672] do_syscall_64+0xf9/0x620 [ 557.628492] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 557.633686] RIP: 0033:0x4665d9 [ 557.636897] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 557.655832] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 557.663560] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 557.670832] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 557.678118] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 557.685484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 557.692779] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 557.710141] block nbd5: shutting down sockets [ 557.724345] block nbd4: shutting down sockets 20:06:48 executing program 2 (fault-call:3 fault-nth:21): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:48 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x0) [ 557.732815] block nbd3: shutting down sockets [ 557.737826] block nbd0: shutting down sockets [ 557.771988] block nbd5: shutting down sockets 20:06:48 executing program 0 (fault-call:5 fault-nth:21): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127b) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 557.812710] block nbd3: shutting down sockets 20:06:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127a) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 557.897948] FAULT_INJECTION: forcing a failure. [ 557.897948] name failslab, interval 1, probability 0, space 0, times 0 [ 557.910251] block nbd4: shutting down sockets [ 557.925132] CPU: 1 PID: 26670 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 557.933150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 557.942522] Call Trace: 20:06:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 557.945135] dump_stack+0x1fc/0x2ef [ 557.948781] should_fail.cold+0xa/0xf [ 557.952607] ? setup_fault_attr+0x200/0x200 [ 557.956981] ? lock_acquire+0x170/0x3c0 [ 557.960995] __should_failslab+0x115/0x180 [ 557.965265] should_failslab+0x5/0x10 [ 557.969130] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 557.974283] __kmalloc_node_track_caller+0x38/0x70 [ 557.979269] __alloc_skb+0xae/0x560 [ 557.982924] alloc_uevent_skb+0x7b/0x210 [ 557.987052] kobject_uevent_env+0xa90/0x1480 [ 557.991500] lo_ioctl+0xff9/0x20e0 [ 557.995063] ? loop_set_status64+0x110/0x110 [ 557.999493] blkdev_ioctl+0x5cb/0x1a80 [ 558.003399] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 558.008782] ? blkpg_ioctl+0x9d0/0x9d0 [ 558.012777] ? perf_trace_lock_acquire+0x530/0x530 [ 558.017775] ? perf_trace_lock+0xe2/0x4b0 [ 558.021949] ? perf_trace_lock_acquire+0x530/0x530 [ 558.026912] ? lock_downgrade+0x720/0x720 [ 558.031083] block_ioctl+0xe9/0x130 [ 558.034727] ? blkdev_fallocate+0x3f0/0x3f0 [ 558.039064] do_vfs_ioctl+0xcdb/0x12e0 [ 558.042986] ? lock_downgrade+0x720/0x720 [ 558.047145] ? check_preemption_disabled+0x41/0x280 [ 558.052174] ? ioctl_preallocate+0x200/0x200 [ 558.056598] ? __fget+0x356/0x510 [ 558.060065] ? do_dup2+0x450/0x450 [ 558.063704] ? do_sys_open+0x2bf/0x520 [ 558.067714] ksys_ioctl+0x9b/0xc0 [ 558.071387] __x64_sys_ioctl+0x6f/0xb0 [ 558.075284] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 558.079896] do_syscall_64+0xf9/0x620 [ 558.083720] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 558.088946] RIP: 0033:0x466397 [ 558.092245] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 558.111183] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 558.119380] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 558.126665] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 558.134039] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 558.141326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 558.148612] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 558.174755] block nbd5: shutting down sockets [ 558.176972] FAULT_INJECTION: forcing a failure. [ 558.176972] name failslab, interval 1, probability 0, space 0, times 0 [ 558.216802] CPU: 0 PID: 26677 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 558.221907] block nbd5: shutting down sockets [ 558.224729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 558.224735] Call Trace: [ 558.224760] dump_stack+0x1fc/0x2ef [ 558.224781] should_fail.cold+0xa/0xf [ 558.224807] ? setup_fault_attr+0x200/0x200 [ 558.253460] ? lock_acquire+0x170/0x3c0 [ 558.257490] __should_failslab+0x115/0x180 [ 558.261789] should_failslab+0x5/0x10 [ 558.265604] kmem_cache_alloc_trace+0x284/0x380 [ 558.270291] nbd_start_device+0x59b/0xd60 [ 558.274641] nbd_ioctl+0x62c/0xbe0 [ 558.278203] ? _copy_from_user+0xd2/0x130 [ 558.282379] ? nbd_disconnect_and_put+0x190/0x190 [ 558.287485] ? __lock_acquire+0x6de/0x3ff0 [ 558.291744] ? nbd_disconnect_and_put+0x190/0x190 [ 558.296599] blkdev_ioctl+0x5cb/0x1a80 [ 558.300523] ? blkpg_ioctl+0x9d0/0x9d0 [ 558.304514] ? perf_trace_lock_acquire+0x530/0x530 [ 558.309457] ? perf_trace_lock+0xe2/0x4b0 [ 558.313626] ? perf_trace_lock_acquire+0x530/0x530 [ 558.318575] ? perf_trace_lock+0xe2/0x4b0 [ 558.322755] block_ioctl+0xe9/0x130 [ 558.326429] ? blkdev_fallocate+0x3f0/0x3f0 [ 558.330803] do_vfs_ioctl+0xcdb/0x12e0 [ 558.331197] audit: type=1804 audit(1625688409.210:240): pid=26681 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/528/cgroup.controllers" dev="sda1" ino=14277 res=1 [ 558.334776] ? lock_downgrade+0x720/0x720 20:06:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127c) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 558.334795] ? check_preemption_disabled+0x41/0x280 [ 558.334812] ? ioctl_preallocate+0x200/0x200 [ 558.334829] ? __fget+0x356/0x510 [ 558.334845] ? do_dup2+0x450/0x450 [ 558.334857] ? vfs_write+0x393/0x540 [ 558.334870] ? fput+0x2b/0x190 [ 558.334889] ksys_ioctl+0x9b/0xc0 [ 558.334906] __x64_sys_ioctl+0x6f/0xb0 [ 558.334919] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 558.334932] do_syscall_64+0xf9/0x620 [ 558.334950] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 558.334962] RIP: 0033:0x4665d9 20:06:49 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x0) [ 558.334981] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 558.430721] RSP: 002b:00007f1a555b9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 558.438581] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 558.445892] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 558.453184] RBP: 00007f1a555b91d0 R08: 0000000000000000 R09: 0000000000000000 [ 558.460467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 558.467769] R13: 00007ffc97a4e28f R14: 00007f1a555b9300 R15: 0000000000022000 [ 558.487870] block nbd0: shutting down sockets 20:06:49 executing program 2 (fault-call:3 fault-nth:22): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:49 executing program 0 (fault-call:5 fault-nth:22): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 558.562668] block nbd4: shutting down sockets 20:06:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 558.634524] block nbd3: shutting down sockets [ 558.646240] block nbd5: shutting down sockets [ 558.685094] block nbd3: shutting down sockets [ 558.690336] FAULT_INJECTION: forcing a failure. [ 558.690336] name failslab, interval 1, probability 0, space 0, times 0 [ 558.704870] CPU: 1 PID: 26704 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 558.712148] block nbd5: shutting down sockets [ 558.712800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 558.712807] Call Trace: [ 558.712833] dump_stack+0x1fc/0x2ef [ 558.712864] should_fail.cold+0xa/0xf [ 558.736704] ? setup_fault_attr+0x200/0x200 [ 558.741052] ? lock_acquire+0x170/0x3c0 [ 558.745060] __should_failslab+0x115/0x180 [ 558.749323] should_failslab+0x5/0x10 [ 558.753153] kmem_cache_alloc_trace+0x284/0x380 [ 558.757838] ? wait_for_completion_io+0x10/0x10 [ 558.762532] ? kobj_ns_initial+0x90/0x90 [ 558.766608] call_usermodehelper_setup+0x84/0x300 [ 558.771473] kobject_uevent_env+0xe83/0x1480 [ 558.774698] FAULT_INJECTION: forcing a failure. [ 558.774698] name failslab, interval 1, probability 0, space 0, times 0 [ 558.775936] lo_ioctl+0xff9/0x20e0 [ 558.775968] ? loop_set_status64+0x110/0x110 [ 558.795213] blkdev_ioctl+0x5cb/0x1a80 [ 558.799229] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 558.804625] ? blkpg_ioctl+0x9d0/0x9d0 [ 558.808543] ? perf_trace_lock_acquire+0x530/0x530 [ 558.813557] ? perf_trace_lock+0xe2/0x4b0 [ 558.817746] ? perf_trace_lock_acquire+0x530/0x530 [ 558.822699] ? lock_downgrade+0x720/0x720 [ 558.826863] block_ioctl+0xe9/0x130 [ 558.830648] ? blkdev_fallocate+0x3f0/0x3f0 [ 558.835006] do_vfs_ioctl+0xcdb/0x12e0 [ 558.838912] ? lock_downgrade+0x720/0x720 [ 558.843093] ? check_preemption_disabled+0x41/0x280 [ 558.848301] ? ioctl_preallocate+0x200/0x200 [ 558.852748] ? __fget+0x356/0x510 [ 558.856218] ? do_dup2+0x450/0x450 [ 558.859773] ? do_sys_open+0x2bf/0x520 [ 558.863679] ksys_ioctl+0x9b/0xc0 [ 558.867146] __x64_sys_ioctl+0x6f/0xb0 [ 558.871069] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 558.875661] do_syscall_64+0xf9/0x620 [ 558.879478] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 558.884699] RIP: 0033:0x466397 [ 558.887989] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 558.906905] RSP: 002b:00007f76a76a8f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 558.914820] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000466397 [ 558.922101] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 20:06:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127d) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127b) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 558.929384] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 558.936664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 558.943972] R13: 0000000000000005 R14: 0000000020000600 R15: 0000000000000000 [ 558.951280] CPU: 0 PID: 26702 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 558.959356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 558.968738] Call Trace: [ 558.971342] dump_stack+0x1fc/0x2ef [ 558.974980] should_fail.cold+0xa/0xf [ 558.978788] ? setup_fault_attr+0x200/0x200 [ 558.983136] ? lock_acquire+0x170/0x3c0 [ 558.987140] ? dev_uevent_filter+0xd0/0xd0 [ 558.991398] __should_failslab+0x115/0x180 [ 558.995657] should_failslab+0x5/0x10 [ 558.999704] kmem_cache_alloc_trace+0x284/0x380 [ 559.004407] ? dev_uevent_filter+0xd0/0xd0 [ 559.008667] kobject_uevent_env+0x236/0x1480 [ 559.012219] block nbd4: shutting down sockets [ 559.013095] ? nbd_size_update+0x28a/0x660 [ 559.021858] ? queue_work_on+0x11a/0x1f0 [ 559.026317] nbd_start_device+0x811/0xd60 [ 559.030486] nbd_ioctl+0x62c/0xbe0 [ 559.034203] ? _copy_from_user+0xd2/0x130 [ 559.038356] ? nbd_disconnect_and_put+0x190/0x190 [ 559.043219] ? __lock_acquire+0x6de/0x3ff0 [ 559.047459] ? nbd_disconnect_and_put+0x190/0x190 [ 559.052408] blkdev_ioctl+0x5cb/0x1a80 [ 559.056393] ? blkpg_ioctl+0x9d0/0x9d0 [ 559.060318] ? perf_trace_lock_acquire+0x530/0x530 [ 559.065885] ? perf_trace_lock+0xe2/0x4b0 [ 559.070164] ? perf_trace_lock_acquire+0x530/0x530 [ 559.075110] ? perf_trace_lock+0xe2/0x4b0 [ 559.079261] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 559.083970] block_ioctl+0xe9/0x130 [ 559.087730] ? blkdev_fallocate+0x3f0/0x3f0 [ 559.092082] do_vfs_ioctl+0xcdb/0x12e0 [ 559.095989] ? lock_downgrade+0x720/0x720 [ 559.100161] ? check_preemption_disabled+0x41/0x280 [ 559.105242] ? ioctl_preallocate+0x200/0x200 [ 559.109681] ? __fget+0x356/0x510 [ 559.113256] ? do_dup2+0x450/0x450 [ 559.116901] ? vfs_write+0x393/0x540 [ 559.121139] ? fput+0x2b/0x190 [ 559.124840] ksys_ioctl+0x9b/0xc0 [ 559.128783] __x64_sys_ioctl+0x6f/0xb0 [ 559.133185] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 559.137774] do_syscall_64+0xf9/0x620 [ 559.141594] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 559.146808] RIP: 0033:0x4665d9 [ 559.149988] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 559.168917] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 559.176642] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 559.184012] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 559.191275] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 559.198553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 559.205839] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 559.235166] block nbd0: shutting down sockets 20:06:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127c) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:50 executing program 2 (fault-call:3 fault-nth:23): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:50 executing program 0 (fault-call:5 fault-nth:23): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 559.333142] block nbd3: shutting down sockets [ 559.337919] block nbd5: shutting down sockets [ 559.354669] block nbd4: shutting down sockets [ 559.369592] FAULT_INJECTION: forcing a failure. [ 559.369592] name failslab, interval 1, probability 0, space 0, times 0 [ 559.382452] block nbd3: shutting down sockets [ 559.394792] block nbd5: shutting down sockets [ 559.399519] audit: type=1804 audit(1625688410.280:241): pid=26717 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/529/cgroup.controllers" dev="sda1" ino=13925 res=1 [ 559.401467] CPU: 0 PID: 26721 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 559.432788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 559.442163] Call Trace: [ 559.444767] dump_stack+0x1fc/0x2ef [ 559.448432] should_fail.cold+0xa/0xf [ 559.452261] ? setup_fault_attr+0x200/0x200 [ 559.456644] ? lock_acquire+0x170/0x3c0 [ 559.460646] __should_failslab+0x115/0x180 [ 559.464904] should_failslab+0x5/0x10 [ 559.468720] __kmalloc+0x2ab/0x3c0 [ 559.472396] ? kobject_get_path+0xbf/0x240 [ 559.476770] kobject_get_path+0xbf/0x240 20:06:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127c) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 559.480864] kobject_uevent_env+0x25c/0x1480 [ 559.485316] ? nbd_size_update+0x28a/0x660 [ 559.489571] ? queue_work_on+0x11a/0x1f0 [ 559.493656] nbd_start_device+0x811/0xd60 [ 559.497860] nbd_ioctl+0x62c/0xbe0 [ 559.501446] ? _copy_from_user+0xd2/0x130 [ 559.505672] ? nbd_disconnect_and_put+0x190/0x190 [ 559.510548] ? __lock_acquire+0x6de/0x3ff0 [ 559.514808] ? nbd_disconnect_and_put+0x190/0x190 [ 559.519671] blkdev_ioctl+0x5cb/0x1a80 [ 559.523575] ? blkpg_ioctl+0x9d0/0x9d0 [ 559.527478] ? perf_trace_lock_acquire+0x530/0x530 [ 559.531517] FAULT_INJECTION: forcing a failure. [ 559.531517] name failslab, interval 1, probability 0, space 0, times 0 [ 559.543698] ? perf_trace_lock+0xe2/0x4b0 [ 559.547872] ? perf_trace_lock_acquire+0x530/0x530 [ 559.552814] ? perf_trace_lock+0xe2/0x4b0 [ 559.552838] block_ioctl+0xe9/0x130 [ 559.552850] ? blkdev_fallocate+0x3f0/0x3f0 [ 559.552867] do_vfs_ioctl+0xcdb/0x12e0 [ 559.552883] ? lock_downgrade+0x720/0x720 [ 559.552898] ? check_preemption_disabled+0x41/0x280 [ 559.552912] ? ioctl_preallocate+0x200/0x200 [ 559.552932] ? __fget+0x356/0x510 [ 559.552948] ? do_dup2+0x450/0x450 [ 559.552967] ? vfs_write+0x393/0x540 [ 559.593376] ? fput+0x2b/0x190 [ 559.596644] ksys_ioctl+0x9b/0xc0 [ 559.600288] __x64_sys_ioctl+0x6f/0xb0 [ 559.604191] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 559.608882] do_syscall_64+0xf9/0x620 [ 559.612704] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 559.617904] RIP: 0033:0x4665d9 20:06:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127c) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 559.621112] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 559.640146] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 559.648044] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 559.655326] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 559.662615] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 559.669895] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 559.677180] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 559.688203] CPU: 1 PID: 26731 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 559.696150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 559.706042] Call Trace: [ 559.708663] dump_stack+0x1fc/0x2ef [ 559.712343] should_fail.cold+0xa/0xf [ 559.716206] ? setup_fault_attr+0x200/0x200 [ 559.720551] ? lock_acquire+0x170/0x3c0 [ 559.724555] __should_failslab+0x115/0x180 [ 559.728936] should_failslab+0x5/0x10 [ 559.732769] kmem_cache_alloc+0x277/0x370 [ 559.737064] getname_flags+0xce/0x590 [ 559.741083] do_mkdirat+0x8d/0x2d0 [ 559.744686] ? __ia32_sys_mknod+0x120/0x120 [ 559.749042] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 559.754526] ? trace_hardirqs_off_caller+0x6e/0x210 [ 559.759834] ? do_syscall_64+0x21/0x620 [ 559.763840] do_syscall_64+0xf9/0x620 [ 559.767720] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 559.772926] RIP: 0033:0x4656e7 20:06:50 executing program 1: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x0) [ 559.776125] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 559.779355] block nbd0: shutting down sockets [ 559.795122] RSP: 002b:00007f76a76a8fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 559.795138] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004656e7 [ 559.795145] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 00000000200000c0 [ 559.795152] RBP: 00007f76a76a9040 R08: 0000000000000000 R09: ffffffffffffffff [ 559.795160] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 559.795168] R13: 00000000200000c0 R14: 00007f76a76a9000 R15: 0000000000000000 [ 559.813343] block nbd5: shutting down sockets [ 559.859668] block nbd3: shutting down sockets [ 559.864537] block nbd4: shutting down sockets 20:06:50 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x0) [ 559.912745] block nbd3: shutting down sockets [ 559.932254] block nbd5: shutting down sockets 20:06:50 executing program 2 (fault-call:3 fault-nth:24): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127f) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:50 executing program 0 (fault-call:5 fault-nth:24): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127d) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 560.007123] audit: type=1804 audit(1625688410.890:242): pid=26753 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir143289246/syzkaller.TBAwaw/530/cgroup.controllers" dev="sda1" ino=14422 res=1 [ 560.079236] FAULT_INJECTION: forcing a failure. [ 560.079236] name failslab, interval 1, probability 0, space 0, times 0 [ 560.085424] FAULT_INJECTION: forcing a failure. [ 560.085424] name failslab, interval 1, probability 0, space 0, times 0 [ 560.102221] CPU: 1 PID: 26767 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 560.110214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 560.119786] Call Trace: [ 560.122495] dump_stack+0x1fc/0x2ef [ 560.126194] should_fail.cold+0xa/0xf [ 560.130229] ? setup_fault_attr+0x200/0x200 [ 560.134626] ? lock_acquire+0x170/0x3c0 [ 560.138640] __should_failslab+0x115/0x180 [ 560.142936] should_failslab+0x5/0x10 [ 560.146772] kmem_cache_alloc+0x277/0x370 [ 560.151011] getname_flags+0xce/0x590 [ 560.154848] do_mkdirat+0x8d/0x2d0 [ 560.158431] ? __ia32_sys_mknod+0x120/0x120 [ 560.162806] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 560.168228] ? trace_hardirqs_off_caller+0x6e/0x210 [ 560.173275] ? do_syscall_64+0x21/0x620 [ 560.177281] do_syscall_64+0xf9/0x620 [ 560.181122] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.186426] RIP: 0033:0x4656e7 [ 560.189630] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 560.208549] RSP: 002b:00007f76a76a8fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 560.216389] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004656e7 [ 560.223684] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 00000000200000c0 [ 560.230979] RBP: 00007f76a76a9040 R08: 0000000000000000 R09: ffffffffffffffff [ 560.238270] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 560.245570] R13: 00000000200000c0 R14: 00007f76a76a9000 R15: 0000000000000000 [ 560.252952] CPU: 0 PID: 26760 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 560.260859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 560.261885] audit: type=1804 audit(1625688410.990:243): pid=26756 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/569/cgroup.controllers" dev="sda1" ino=13943 res=1 [ 560.270456] Call Trace: [ 560.270484] dump_stack+0x1fc/0x2ef [ 560.301767] should_fail.cold+0xa/0xf [ 560.305615] ? setup_fault_attr+0x200/0x200 [ 560.309949] ? lock_acquire+0x170/0x3c0 [ 560.313941] __should_failslab+0x115/0x180 [ 560.318210] should_failslab+0x5/0x10 [ 560.322021] __kmalloc+0x2ab/0x3c0 [ 560.325572] ? kobject_get_path+0xbf/0x240 [ 560.329823] kobject_get_path+0xbf/0x240 [ 560.333909] kobject_uevent_env+0x25c/0x1480 [ 560.336162] block nbd3: shutting down sockets [ 560.338550] ? nbd_size_update+0x28a/0x660 [ 560.338572] ? queue_work_on+0x11a/0x1f0 [ 560.338590] nbd_start_device+0x811/0xd60 [ 560.338613] nbd_ioctl+0x62c/0xbe0 [ 560.338642] ? _copy_from_user+0xd2/0x130 [ 560.363448] ? nbd_disconnect_and_put+0x190/0x190 [ 560.368468] ? __lock_acquire+0x6de/0x3ff0 [ 560.372783] ? nbd_disconnect_and_put+0x190/0x190 20:06:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 560.377956] blkdev_ioctl+0x5cb/0x1a80 [ 560.381903] ? blkpg_ioctl+0x9d0/0x9d0 [ 560.385845] ? perf_trace_lock_acquire+0x530/0x530 [ 560.390836] ? perf_trace_lock+0xe2/0x4b0 [ 560.395398] ? perf_trace_lock_acquire+0x530/0x530 [ 560.400657] ? perf_trace_lock+0xe2/0x4b0 [ 560.404921] block_ioctl+0xe9/0x130 [ 560.408624] ? blkdev_fallocate+0x3f0/0x3f0 [ 560.413128] do_vfs_ioctl+0xcdb/0x12e0 [ 560.417336] ? lock_downgrade+0x720/0x720 [ 560.421536] ? check_preemption_disabled+0x41/0x280 [ 560.426652] ? ioctl_preallocate+0x200/0x200 [ 560.431684] ? __fget+0x356/0x510 [ 560.435402] ? do_dup2+0x450/0x450 [ 560.439100] ? vfs_write+0x393/0x540 [ 560.443054] ? fput+0x2b/0x190 [ 560.446495] ksys_ioctl+0x9b/0xc0 [ 560.449975] __x64_sys_ioctl+0x6f/0xb0 [ 560.453883] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 560.458497] do_syscall_64+0xf9/0x620 [ 560.462465] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.467786] RIP: 0033:0x4665d9 [ 560.470979] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 560.489876] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 560.497612] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 560.504919] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 560.512499] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 560.519866] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 560.527186] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 20:06:51 executing program 0 (fault-call:5 fault-nth:25): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 560.553344] block nbd0: shutting down sockets [ 560.562031] block nbd5: shutting down sockets 20:06:51 executing program 2 (fault-call:3 fault-nth:25): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 560.622278] block nbd5: shutting down sockets 20:06:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5421) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 560.702261] block nbd3: shutting down sockets [ 560.739541] FAULT_INJECTION: forcing a failure. [ 560.739541] name failslab, interval 1, probability 0, space 0, times 0 [ 560.762137] block nbd3: shutting down sockets 20:06:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127f) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 560.790320] CPU: 0 PID: 26783 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 560.798303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 560.807684] Call Trace: [ 560.810360] dump_stack+0x1fc/0x2ef [ 560.814022] should_fail.cold+0xa/0xf [ 560.817846] ? setup_fault_attr+0x200/0x200 [ 560.822192] ? lock_acquire+0x170/0x3c0 [ 560.826196] __should_failslab+0x115/0x180 [ 560.830456] should_failslab+0x5/0x10 [ 560.834470] kmem_cache_alloc_node+0x245/0x3b0 20:06:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 560.839074] __alloc_skb+0x71/0x560 [ 560.842724] alloc_uevent_skb+0x7b/0x210 [ 560.846799] kobject_uevent_env+0xa90/0x1480 [ 560.851239] ? nbd_size_update+0x28a/0x660 [ 560.855489] ? queue_work_on+0x11a/0x1f0 [ 560.859570] nbd_start_device+0x811/0xd60 [ 560.863764] nbd_ioctl+0x62c/0xbe0 [ 560.867321] ? _copy_from_user+0xd2/0x130 [ 560.871472] ? nbd_disconnect_and_put+0x190/0x190 [ 560.876357] ? __lock_acquire+0x6de/0x3ff0 [ 560.880610] ? nbd_disconnect_and_put+0x190/0x190 [ 560.885465] blkdev_ioctl+0x5cb/0x1a80 [ 560.889349] ? blkpg_ioctl+0x9d0/0x9d0 [ 560.893241] ? perf_trace_lock_acquire+0x530/0x530 [ 560.898309] ? perf_trace_lock+0xe2/0x4b0 [ 560.902503] ? perf_trace_lock_acquire+0x530/0x530 [ 560.907444] ? perf_trace_lock+0xe2/0x4b0 [ 560.911625] block_ioctl+0xe9/0x130 [ 560.915347] ? blkdev_fallocate+0x3f0/0x3f0 [ 560.919696] do_vfs_ioctl+0xcdb/0x12e0 [ 560.923626] ? lock_downgrade+0x720/0x720 [ 560.927784] ? check_preemption_disabled+0x41/0x280 [ 560.932812] ? ioctl_preallocate+0x200/0x200 [ 560.937226] ? __fget+0x356/0x510 [ 560.940689] ? do_dup2+0x450/0x450 [ 560.944224] ? vfs_write+0x393/0x540 [ 560.947973] ? fput+0x2b/0x190 [ 560.951167] ksys_ioctl+0x9b/0xc0 [ 560.954644] __x64_sys_ioctl+0x6f/0xb0 [ 560.958536] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 560.963482] do_syscall_64+0xf9/0x620 [ 560.967313] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.972512] RIP: 0033:0x4665d9 [ 560.975750] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 560.994742] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 561.002591] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 561.009868] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 561.017240] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 561.024618] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 561.031903] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 561.051761] block nbd5: shutting down sockets [ 561.064565] FAULT_INJECTION: forcing a failure. [ 561.064565] name failslab, interval 1, probability 0, space 0, times 0 [ 561.076378] block nbd0: shutting down sockets [ 561.092046] block nbd1: shutting down sockets [ 561.112673] block nbd5: shutting down sockets [ 561.147961] CPU: 1 PID: 26791 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 561.155883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 561.165332] Call Trace: [ 561.167936] dump_stack+0x1fc/0x2ef [ 561.171882] should_fail.cold+0xa/0xf [ 561.175702] ? setup_fault_attr+0x200/0x200 [ 561.180047] ? lock_acquire+0x170/0x3c0 [ 561.184129] __should_failslab+0x115/0x180 [ 561.188388] should_failslab+0x5/0x10 [ 561.192265] kmem_cache_alloc+0x277/0x370 [ 561.196449] __d_alloc+0x2b/0xa10 [ 561.199930] d_alloc+0x4a/0x230 [ 561.203234] __lookup_hash+0xc8/0x180 [ 561.207090] filename_create+0x186/0x490 [ 561.211169] ? kern_path_mountpoint+0x40/0x40 [ 561.215726] ? strncpy_from_user+0x2a2/0x350 [ 561.220155] ? getname_flags+0x25b/0x590 [ 561.224239] do_mkdirat+0xa0/0x2d0 [ 561.227798] ? __ia32_sys_mknod+0x120/0x120 [ 561.232145] ? trace_hardirqs_off_caller+0x6e/0x210 [ 561.237264] ? do_syscall_64+0x21/0x620 [ 561.241262] do_syscall_64+0xf9/0x620 [ 561.245074] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 561.250270] RIP: 0033:0x4656e7 [ 561.253475] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 561.272419] RSP: 002b:00007f76a76a8fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 561.280229] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004656e7 [ 561.287508] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 00000000200000c0 20:06:52 executing program 0 (fault-call:5 fault-nth:26): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:52 executing program 4 (fault-call:10 fault-nth:0): socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5450) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 561.294786] RBP: 00007f76a76a9040 R08: 0000000000000000 R09: ffffffffffffffff [ 561.302098] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 561.309376] R13: 00000000200000c0 R14: 00007f76a76a9000 R15: 0000000000000000 [ 561.335780] block nbd3: shutting down sockets [ 561.361030] audit: type=1804 audit(1625688412.240:244): pid=26809 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/570/cgroup.controllers" dev="sda1" ino=14530 res=1 [ 561.387481] FAULT_INJECTION: forcing a failure. [ 561.387481] name failslab, interval 1, probability 0, space 0, times 0 [ 561.412481] block nbd3: shutting down sockets [ 561.417300] CPU: 1 PID: 26810 Comm: syz-executor.0 Not tainted 4.19.196-syzkaller #0 [ 561.425206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 561.425613] block nbd1: shutting down sockets [ 561.434590] Call Trace: [ 561.434726] dump_stack+0x1fc/0x2ef [ 561.440404] FAULT_INJECTION: forcing a failure. [ 561.440404] name failslab, interval 1, probability 0, space 0, times 0 [ 561.441983] should_fail.cold+0xa/0xf [ 561.442003] ? setup_fault_attr+0x200/0x200 [ 561.442018] ? lock_acquire+0x170/0x3c0 [ 561.442040] __should_failslab+0x115/0x180 [ 561.473214] should_failslab+0x5/0x10 [ 561.473611] block nbd5: shutting down sockets [ 561.477032] kmem_cache_alloc+0x277/0x370 [ 561.477053] skb_clone+0x151/0x3d0 [ 561.477073] netlink_broadcast_filtered+0x8e5/0xbc0 [ 561.477098] netlink_broadcast+0x35/0x40 [ 561.477119] kobject_uevent_env+0xa56/0x1480 [ 561.502863] ? nbd_size_update+0x28a/0x660 [ 561.507111] ? queue_work_on+0x11a/0x1f0 [ 561.511184] nbd_start_device+0x811/0xd60 [ 561.515350] nbd_ioctl+0x62c/0xbe0 [ 561.518899] ? _copy_from_user+0xd2/0x130 [ 561.523058] ? nbd_disconnect_and_put+0x190/0x190 [ 561.527928] ? __lock_acquire+0x6de/0x3ff0 [ 561.532252] ? nbd_disconnect_and_put+0x190/0x190 [ 561.537142] blkdev_ioctl+0x5cb/0x1a80 [ 561.541082] ? blkpg_ioctl+0x9d0/0x9d0 [ 561.545002] ? perf_trace_lock_acquire+0x530/0x530 [ 561.549963] ? perf_trace_lock+0xe2/0x4b0 [ 561.554136] ? perf_trace_lock_acquire+0x530/0x530 [ 561.559083] ? perf_trace_lock+0xe2/0x4b0 [ 561.563259] block_ioctl+0xe9/0x130 [ 561.566909] ? blkdev_fallocate+0x3f0/0x3f0 [ 561.571256] do_vfs_ioctl+0xcdb/0x12e0 [ 561.575168] ? lock_downgrade+0x720/0x720 [ 561.579337] ? check_preemption_disabled+0x41/0x280 [ 561.584377] ? ioctl_preallocate+0x200/0x200 [ 561.588810] ? __fget+0x356/0x510 [ 561.592290] ? do_dup2+0x450/0x450 [ 561.595851] ? vfs_write+0x393/0x540 [ 561.599606] ? fput+0x2b/0x190 [ 561.602840] ksys_ioctl+0x9b/0xc0 [ 561.606319] __x64_sys_ioctl+0x6f/0xb0 [ 561.610230] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 561.614863] do_syscall_64+0xf9/0x620 [ 561.618711] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 561.623948] RIP: 0033:0x4665d9 [ 561.627168] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 561.646084] RSP: 002b:00007f1a555da188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 561.653900] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 20:06:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:52 executing program 2 (fault-call:3 fault-nth:26): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5421) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 561.661180] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 561.668466] RBP: 00007f1a555da1d0 R08: 0000000000000000 R09: 0000000000000000 [ 561.675773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 561.683057] R13: 00007ffc97a4e28f R14: 00007f1a555da300 R15: 0000000000022000 [ 561.690490] CPU: 0 PID: 26812 Comm: syz-executor.4 Not tainted 4.19.196-syzkaller #0 [ 561.698402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 561.707774] Call Trace: [ 561.710387] dump_stack+0x1fc/0x2ef [ 561.714470] should_fail.cold+0xa/0xf [ 561.718290] ? setup_fault_attr+0x200/0x200 [ 561.722627] ? lock_acquire+0x170/0x3c0 [ 561.726631] __should_failslab+0x115/0x180 [ 561.730934] should_failslab+0x5/0x10 [ 561.734760] kmem_cache_alloc_trace+0x284/0x380 [ 561.739452] ? __might_fault+0x192/0x1d0 [ 561.743830] alloc_pipe_info+0xb8/0x470 [ 561.748014] splice_direct_to_actor+0x6dd/0x8d0 [ 561.752824] ? apparmor_getprocattr+0x11d0/0x11d0 [ 561.757958] ? generic_pipe_buf_nosteal+0x10/0x10 [ 561.762827] ? do_splice_to+0x160/0x160 [ 561.766835] ? security_file_permission+0x1c0/0x220 [ 561.771882] do_splice_direct+0x1a7/0x270 [ 561.776100] ? splice_direct_to_actor+0x8d0/0x8d0 [ 561.781026] ? security_file_permission+0x1c0/0x220 [ 561.786090] do_sendfile+0x550/0xc30 [ 561.789844] ? do_compat_pwritev64+0x1b0/0x1b0 [ 561.794473] ? vfs_write+0x393/0x540 [ 561.798212] __se_sys_sendfile64+0x147/0x160 [ 561.802639] ? __se_sys_sendfile+0x180/0x180 [ 561.807156] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 561.812560] ? trace_hardirqs_off_caller+0x6e/0x210 [ 561.817613] ? do_syscall_64+0x21/0x620 [ 561.821622] do_syscall_64+0xf9/0x620 [ 561.825535] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 561.830753] RIP: 0033:0x4665d9 [ 561.833960] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 561.852873] RSP: 002b:00007fed6b60b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 561.860602] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 561.867911] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007 [ 561.875199] RBP: 00007fed6b60b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 561.882484] R10: 0000000100000002 R11: 0000000000000246 R12: 0000000000000001 [ 561.890133] R13: 00007ffe460775ef R14: 00007fed6b60b300 R15: 0000000000022000 [ 561.923113] block nbd0: shutting down sockets [ 561.945234] block nbd5: shutting down sockets 20:06:52 executing program 0 (fault-call:5 fault-nth:27): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5451) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:52 executing program 4 (fault-call:10 fault-nth:1): socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 562.004313] FAULT_INJECTION: forcing a failure. [ 562.004313] name failslab, interval 1, probability 0, space 0, times 0 [ 562.032474] block nbd3: shutting down sockets [ 562.062680] block nbd1: shutting down sockets [ 562.067884] CPU: 0 PID: 26829 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 562.070985] block nbd3: shutting down sockets [ 562.075814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.075888] Call Trace: [ 562.075918] dump_stack+0x1fc/0x2ef [ 562.075942] should_fail.cold+0xa/0xf [ 562.075963] ? setup_fault_attr+0x200/0x200 [ 562.075988] __should_failslab+0x115/0x180 [ 562.076008] should_failslab+0x5/0x10 [ 562.076025] kmem_cache_alloc+0x277/0x370 [ 562.076044] ? ext4_sync_fs+0x8d0/0x8d0 [ 562.076062] ext4_alloc_inode+0x1a/0x630 [ 562.076078] ? ext4_sync_fs+0x8d0/0x8d0 [ 562.076094] alloc_inode+0x5d/0x180 [ 562.076107] new_inode+0x1d/0xf0 [ 562.076122] __ext4_new_inode+0x400/0x5a20 [ 562.076145] ? putname+0xe1/0x120 [ 562.147497] ? do_mkdirat+0xa0/0x2d0 [ 562.151308] ? ext4_free_inode+0x1780/0x1780 [ 562.155776] ? debug_check_no_obj_freed+0x201/0x490 [ 562.160944] ? __dquot_initialize+0x298/0xb70 [ 562.165523] ? lock_acquire+0x170/0x3c0 [ 562.169951] ? dquot_initialize_needed+0x290/0x290 [ 562.174983] ? trace_hardirqs_off+0x64/0x200 [ 562.179486] ? common_perm+0x4be/0x800 [ 562.183678] ext4_mkdir+0x396/0xe10 [ 562.187370] ? putname+0xe1/0x120 [ 562.190906] ? ext4_init_dot_dotdot+0x600/0x600 [ 562.195611] ? generic_permission+0x116/0x4d0 [ 562.200134] ? security_inode_permission+0xc5/0xf0 [ 562.205096] ? inode_permission.part.0+0x10c/0x450 [ 562.210062] vfs_mkdir+0x508/0x7a0 [ 562.213653] do_mkdirat+0x262/0x2d0 [ 562.217348] ? __ia32_sys_mknod+0x120/0x120 [ 562.221697] ? trace_hardirqs_off_caller+0x6e/0x210 [ 562.226743] ? do_syscall_64+0x21/0x620 [ 562.230766] do_syscall_64+0xf9/0x620 [ 562.234653] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 562.239887] RIP: 0033:0x4656e7 [ 562.243133] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 562.262357] RSP: 002b:00007f76a76a8fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 562.263812] audit: type=1804 audit(1625688413.150:245): pid=26842 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/571/cgroup.controllers" dev="sda1" ino=14565 res=1 [ 562.270346] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004656e7 [ 562.270356] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 00000000200000c0 20:06:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0x125e) 20:06:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5450) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 562.270363] RBP: 00007f76a76a9040 R08: 0000000000000000 R09: ffffffffffffffff [ 562.270370] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 562.270376] R13: 00000000200000c0 R14: 00007f76a76a9000 R15: 0000000000000000 [ 562.345389] FAULT_INJECTION: forcing a failure. [ 562.345389] name failslab, interval 1, probability 0, space 0, times 0 20:06:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 562.372869] block nbd1: shutting down sockets [ 562.394377] CPU: 1 PID: 26842 Comm: syz-executor.4 Not tainted 4.19.196-syzkaller #0 [ 562.402383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.411836] Call Trace: [ 562.414444] dump_stack+0x1fc/0x2ef [ 562.418137] should_fail.cold+0xa/0xf [ 562.422083] ? setup_fault_attr+0x200/0x200 [ 562.426429] ? lock_acquire+0x170/0x3c0 [ 562.430615] __should_failslab+0x115/0x180 [ 562.434904] should_failslab+0x5/0x10 [ 562.438740] __kmalloc+0x2ab/0x3c0 [ 562.442305] ? alloc_pipe_info+0x193/0x470 [ 562.446586] alloc_pipe_info+0x193/0x470 [ 562.450679] splice_direct_to_actor+0x6dd/0x8d0 [ 562.455376] ? apparmor_getprocattr+0x11d0/0x11d0 [ 562.460246] ? generic_pipe_buf_nosteal+0x10/0x10 [ 562.465124] ? do_splice_to+0x160/0x160 [ 562.469148] ? security_file_permission+0x1c0/0x220 [ 562.474384] do_splice_direct+0x1a7/0x270 [ 562.478566] ? splice_direct_to_actor+0x8d0/0x8d0 [ 562.483432] ? security_file_permission+0x1c0/0x220 [ 562.488486] do_sendfile+0x550/0xc30 [ 562.492233] ? do_compat_pwritev64+0x1b0/0x1b0 [ 562.496836] ? vfs_write+0x393/0x540 [ 562.500680] __se_sys_sendfile64+0x147/0x160 [ 562.505110] ? __se_sys_sendfile+0x180/0x180 [ 562.509776] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 562.515263] ? trace_hardirqs_off_caller+0x6e/0x210 [ 562.520307] ? do_syscall_64+0x21/0x620 [ 562.524304] do_syscall_64+0xf9/0x620 [ 562.528144] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 562.533361] RIP: 0033:0x4665d9 [ 562.536570] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 562.555573] RSP: 002b:00007fed6b62c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 562.563507] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 562.571057] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007 [ 562.578343] RBP: 00007fed6b62c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 562.585630] R10: 0000000100000002 R11: 0000000000000246 R12: 0000000000000001 20:06:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125e) [ 562.592921] R13: 00007ffe460775ef R14: 00007fed6b62c300 R15: 0000000000022000 [ 562.612507] block nbd5: shutting down sockets [ 562.633397] block nbd3: shutting down sockets [ 562.654210] block nbd5: shutting down sockets [ 562.659414] block nbd1: shutting down sockets 20:06:53 executing program 2 (fault-call:3 fault-nth:27): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:53 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5452) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:53 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125e) 20:06:53 executing program 4 (fault-call:10 fault-nth:2): socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 562.701849] block nbd3: shutting down sockets 20:06:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5451) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 562.781054] FAULT_INJECTION: forcing a failure. [ 562.781054] name failslab, interval 1, probability 0, space 0, times 0 [ 562.803838] CPU: 1 PID: 26877 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 562.812105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.821648] Call Trace: [ 562.824297] dump_stack+0x1fc/0x2ef [ 562.827948] should_fail.cold+0xa/0xf [ 562.831772] ? setup_fault_attr+0x200/0x200 [ 562.836134] __should_failslab+0x115/0x180 [ 562.840389] should_failslab+0x5/0x10 [ 562.844204] kmem_cache_alloc+0x277/0x370 [ 562.848478] ? ext4_sync_fs+0x8d0/0x8d0 [ 562.852471] ext4_alloc_inode+0x1a/0x630 [ 562.856557] ? ext4_sync_fs+0x8d0/0x8d0 [ 562.860544] alloc_inode+0x5d/0x180 [ 562.864180] new_inode+0x1d/0xf0 [ 562.867565] __ext4_new_inode+0x400/0x5a20 [ 562.871827] ? putname+0xe1/0x120 [ 562.875293] ? do_mkdirat+0xa0/0x2d0 [ 562.879033] ? ext4_free_inode+0x1780/0x1780 [ 562.883463] ? debug_check_no_obj_freed+0x201/0x490 [ 562.888556] ? __dquot_initialize+0x298/0xb70 [ 562.893148] ? lock_acquire+0x170/0x3c0 [ 562.897144] ? dquot_initialize_needed+0x290/0x290 [ 562.902102] ? trace_hardirqs_off+0x64/0x200 [ 562.906545] ? common_perm+0x4be/0x800 [ 562.910454] ext4_mkdir+0x396/0xe10 [ 562.914205] ? putname+0xe1/0x120 [ 562.917685] ? ext4_init_dot_dotdot+0x600/0x600 [ 562.922379] ? generic_permission+0x116/0x4d0 [ 562.926988] ? security_inode_permission+0xc5/0xf0 [ 562.931954] ? inode_permission.part.0+0x10c/0x450 [ 562.936908] vfs_mkdir+0x508/0x7a0 [ 562.937647] audit: type=1804 audit(1625688413.690:246): pid=26889 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/572/cgroup.controllers" dev="sda1" ino=14579 res=1 [ 562.940468] do_mkdirat+0x262/0x2d0 [ 562.940486] ? __ia32_sys_mknod+0x120/0x120 [ 562.940505] ? trace_hardirqs_off_caller+0x6e/0x210 [ 562.940521] ? do_syscall_64+0x21/0x620 [ 562.940543] do_syscall_64+0xf9/0x620 [ 562.970241] FAULT_INJECTION: forcing a failure. [ 562.970241] name failslab, interval 1, probability 0, space 0, times 0 [ 562.973778] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 562.973794] RIP: 0033:0x4656e7 [ 562.973809] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 562.973818] RSP: 002b:00007f76a76a8fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 562.973832] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004656e7 [ 562.973839] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 00000000200000c0 [ 562.973847] RBP: 00007f76a76a9040 R08: 0000000000000000 R09: ffffffffffffffff [ 562.973854] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 562.973862] R13: 00000000200000c0 R14: 00007f76a76a9000 R15: 0000000000000000 [ 563.075308] CPU: 0 PID: 26889 Comm: syz-executor.4 Not tainted 4.19.196-syzkaller #0 [ 563.083216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 563.084256] block nbd1: shutting down sockets [ 563.092601] Call Trace: [ 563.092629] dump_stack+0x1fc/0x2ef [ 563.092650] should_fail.cold+0xa/0xf [ 563.092669] ? setup_fault_attr+0x200/0x200 [ 563.092685] ? lock_acquire+0x170/0x3c0 [ 563.092704] __should_failslab+0x115/0x180 [ 563.092721] should_failslab+0x5/0x10 [ 563.092734] kmem_cache_alloc+0x277/0x370 [ 563.092751] ext4_init_io_end+0x23/0x110 20:06:54 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125e) [ 563.092766] ext4_writepages+0x10f2/0x37f0 [ 563.092787] ? deref_stack_reg+0x1d0/0x1d0 [ 563.092807] ? is_bpf_text_address+0xd5/0x1b0 [ 563.092826] ? lock_downgrade+0x720/0x720 [ 563.092840] ? lock_acquire+0x170/0x3c0 [ 563.092860] ? ext4_mark_inode_dirty+0x870/0x870 [ 563.092900] ? check_preemption_disabled+0x41/0x280 [ 563.092916] ? perf_trace_lock_acquire+0x530/0x530 [ 563.092935] ? perf_trace_lock+0xe2/0x4b0 [ 563.172348] ? perf_trace_lock+0xe2/0x4b0 [ 563.176529] ? perf_trace_lock_acquire+0x530/0x530 [ 563.181494] ? __lock_acquire+0x6de/0x3ff0 [ 563.185765] ? ext4_mark_inode_dirty+0x870/0x870 [ 563.190542] do_writepages+0xe5/0x290 [ 563.194370] ? page_writeback_cpu_online+0x10/0x10 [ 563.199333] ? do_raw_spin_unlock+0x171/0x230 [ 563.204025] ? _raw_spin_unlock+0x29/0x40 [ 563.208184] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 563.213571] __filemap_fdatawrite_range+0x27d/0x350 [ 563.218774] ? aa_file_perm+0x3f0/0xd20 [ 563.222889] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 563.228337] filemap_write_and_wait_range+0x46/0xd0 [ 563.233418] generic_file_read_iter+0xdf7/0x2b60 [ 563.238217] ? perf_trace_lock_acquire+0x530/0x530 [ 563.243266] ? perf_trace_lock+0xe2/0x4b0 [ 563.247545] ? perf_trace_lock+0xe2/0x4b0 [ 563.251712] ? lock_downgrade+0x720/0x720 [ 563.255919] ? perf_trace_lock_acquire+0x530/0x530 [ 563.260938] ext4_file_read_iter+0x17b/0x3a0 [ 563.262083] block nbd0: shutting down sockets [ 563.265401] generic_file_splice_read+0x44a/0x6d0 [ 563.274764] ? add_to_pipe+0x360/0x360 [ 563.278890] ? security_file_permission+0x1c0/0x220 [ 563.284033] ? add_to_pipe+0x360/0x360 [ 563.287978] do_splice_to+0x10e/0x160 [ 563.291915] splice_direct_to_actor+0x2b9/0x8d0 [ 563.296625] ? generic_pipe_buf_nosteal+0x10/0x10 [ 563.301672] ? do_splice_to+0x160/0x160 [ 563.305693] do_splice_direct+0x1a7/0x270 [ 563.309880] ? splice_direct_to_actor+0x8d0/0x8d0 [ 563.314771] ? security_file_permission+0x1c0/0x220 [ 563.319826] do_sendfile+0x550/0xc30 [ 563.323579] ? do_compat_pwritev64+0x1b0/0x1b0 [ 563.328228] ? vfs_write+0x393/0x540 [ 563.332274] __se_sys_sendfile64+0x147/0x160 [ 563.336713] ? __se_sys_sendfile+0x180/0x180 [ 563.341250] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 563.346674] ? trace_hardirqs_off_caller+0x6e/0x210 [ 563.351711] ? do_syscall_64+0x21/0x620 [ 563.355717] do_syscall_64+0xf9/0x620 [ 563.359520] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 563.364727] RIP: 0033:0x4665d9 [ 563.367954] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 563.386884] RSP: 002b:00007fed6b60b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 563.394632] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 563.401926] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 [ 563.409383] RBP: 00007fed6b60b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 563.416788] R10: 0000000100000002 R11: 0000000000000246 R12: 0000000000000001 [ 563.424164] R13: 00007ffe460775ef R14: 00007fed6b60b300 R15: 0000000000022000 20:06:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x2) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 563.434666] block nbd3: shutting down sockets [ 563.452907] block nbd5: shutting down sockets 20:06:54 executing program 2 (fault-call:3 fault-nth:28): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5460) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 563.512727] block nbd3: shutting down sockets [ 563.512733] block nbd5: shutting down sockets 20:06:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5452) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 563.572986] block nbd0: shutting down sockets [ 563.587846] block nbd1: shutting down sockets [ 563.615228] FAULT_INJECTION: forcing a failure. [ 563.615228] name failslab, interval 1, probability 0, space 0, times 0 [ 563.627112] CPU: 1 PID: 26907 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 563.635023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 563.644412] Call Trace: [ 563.647116] dump_stack+0x1fc/0x2ef [ 563.650788] should_fail.cold+0xa/0xf [ 563.654625] ? setup_fault_attr+0x200/0x200 [ 563.658967] ? __es_tree_search.isra.0+0x1af/0x210 [ 563.663921] __should_failslab+0x115/0x180 [ 563.668174] should_failslab+0x5/0x10 [ 563.671986] kmem_cache_alloc+0x3f/0x370 [ 563.676113] __es_insert_extent+0x39b/0x13b0 [ 563.680548] ? lock_acquire+0x170/0x3c0 [ 563.684538] ? ext4_es_insert_extent+0x17e/0x5e0 [ 563.689323] ext4_es_insert_extent+0x22e/0x5e0 [ 563.693932] ? lock_downgrade+0x720/0x720 [ 563.698095] ? ext4_es_find_delayed_extent_range+0x9f0/0x9f0 [ 563.703942] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 563.708972] ? ext4_es_find_delayed_extent_range+0x7d9/0x9f0 [ 563.714810] ext4_ext_map_blocks+0x2129/0x7390 [ 563.719683] ? __lock_acquire+0x6de/0x3ff0 [ 563.724063] ? __lock_acquire+0x6de/0x3ff0 [ 563.728327] ? perf_trace_lock_acquire+0x530/0x530 [ 563.733362] ? perf_trace_lock+0xe2/0x4b0 [ 563.737555] ? ext4_find_delalloc_cluster+0x1f0/0x1f0 [ 563.742854] ? mark_held_locks+0xf0/0xf0 [ 563.746967] ? ext4_mark_iloc_dirty+0x1b0d/0x2b30 [ 563.751864] ? ext4_es_lookup_extent+0x375/0xb60 [ 563.756661] ? check_preemption_disabled+0x41/0x280 [ 563.761701] ? lock_acquire+0x170/0x3c0 [ 563.765691] ? ext4_map_blocks+0x33e/0x1a50 [ 563.770035] ext4_map_blocks+0xd88/0x1a50 [ 563.774213] ? check_preemption_disabled+0x41/0x280 [ 563.779252] ? ext4_issue_zeroout+0x160/0x160 [ 563.783766] ? __brelse+0x84/0xa0 [ 563.787243] ? __ext4_new_inode+0x2eb/0x5a20 [ 563.791693] ext4_getblk+0xad/0x4f0 [ 563.795335] ? ext4_iomap_begin+0xe00/0xe00 [ 563.799684] ? ext4_free_inode+0x1780/0x1780 [ 563.804110] ? debug_check_no_obj_freed+0x201/0x490 [ 563.809144] ? __dquot_initialize+0x298/0xb70 [ 563.813945] ext4_bread+0x7c/0x210 [ 563.817506] ? ext4_getblk+0x4f0/0x4f0 [ 563.821411] ? dquot_initialize_needed+0x290/0x290 [ 563.826355] ? trace_hardirqs_off+0x64/0x200 [ 563.830848] ext4_append+0x155/0x370 [ 563.835156] ext4_mkdir+0x5bd/0xe10 [ 563.839198] ? ext4_init_dot_dotdot+0x600/0x600 [ 563.843935] ? generic_permission+0x116/0x4d0 [ 563.848480] ? inode_permission.part.0+0x10c/0x450 [ 563.853496] vfs_mkdir+0x508/0x7a0 [ 563.857095] do_mkdirat+0x262/0x2d0 [ 563.860760] ? __ia32_sys_mknod+0x120/0x120 [ 563.865105] ? trace_hardirqs_off_caller+0x6e/0x210 [ 563.870237] ? do_syscall_64+0x21/0x620 [ 563.874232] do_syscall_64+0xf9/0x620 [ 563.878055] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 563.883284] RIP: 0033:0x4656e7 [ 563.886486] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 563.905403] RSP: 002b:00007f76a76a8fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 20:06:54 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) 20:06:54 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) 20:06:54 executing program 1: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) 20:06:54 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000002) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 563.913181] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004656e7 [ 563.920472] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 00000000200000c0 [ 563.927768] RBP: 00007f76a76a9040 R08: 0000000000000000 R09: ffffffffffffffff [ 563.935054] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 563.942337] R13: 00000000200000c0 R14: 00007f76a76a9000 R15: 0000000000000000 [ 563.961789] block nbd0: shutting down sockets 20:06:54 executing program 2 (fault-call:3 fault-nth:29): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) [ 563.969944] block nbd5: shutting down sockets [ 563.974781] block nbd3: shutting down sockets [ 563.974851] ieee802154 phy1 wpan1: encryption failed: -22 20:06:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x301) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab00) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 564.046700] audit: type=1804 audit(1625688414.930:247): pid=26932 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/573/cgroup.controllers" dev="sda1" ino=14579 res=1 [ 564.072155] block nbd3: shutting down sockets [ 564.076855] block nbd5: shutting down sockets 20:06:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5460) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 564.137024] block nbd0: shutting down sockets [ 564.192120] block nbd0: shutting down sockets [ 564.214487] FAULT_INJECTION: forcing a failure. [ 564.214487] name failslab, interval 1, probability 0, space 0, times 0 [ 564.225915] CPU: 0 PID: 26947 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 564.233807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 564.243181] Call Trace: [ 564.245876] dump_stack+0x1fc/0x2ef [ 564.249524] should_fail.cold+0xa/0xf [ 564.253343] ? setup_fault_attr+0x200/0x200 [ 564.257674] ? __es_tree_search.isra.0+0x1af/0x210 [ 564.262643] __should_failslab+0x115/0x180 [ 564.266991] should_failslab+0x5/0x10 [ 564.270835] kmem_cache_alloc+0x3f/0x370 [ 564.274921] __es_insert_extent+0x39b/0x13b0 [ 564.279354] ? lock_acquire+0x170/0x3c0 [ 564.283369] ? ext4_es_insert_extent+0x17e/0x5e0 [ 564.288153] ext4_es_insert_extent+0x22e/0x5e0 [ 564.293019] ? lock_downgrade+0x720/0x720 [ 564.297211] ? ext4_es_find_delayed_extent_range+0x9f0/0x9f0 [ 564.303056] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 564.308093] ? ext4_es_find_delayed_extent_range+0x7d9/0x9f0 [ 564.313915] ext4_ext_map_blocks+0x2129/0x7390 [ 564.318555] ? __lock_acquire+0x6de/0x3ff0 [ 564.322806] ? __lock_acquire+0x6de/0x3ff0 [ 564.327058] ? perf_trace_lock_acquire+0x530/0x530 [ 564.332002] ? perf_trace_lock+0xe2/0x4b0 [ 564.336175] ? ext4_find_delalloc_cluster+0x1f0/0x1f0 [ 564.341381] ? mark_held_locks+0xf0/0xf0 [ 564.345464] ? ext4_mark_iloc_dirty+0x1b0d/0x2b30 [ 564.350345] ? ext4_es_lookup_extent+0x375/0xb60 [ 564.355149] ? check_preemption_disabled+0x41/0x280 [ 564.360191] ? lock_acquire+0x170/0x3c0 20:06:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125d) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:55 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) [ 564.364184] ? ext4_map_blocks+0x33e/0x1a50 [ 564.368833] ext4_map_blocks+0xd88/0x1a50 [ 564.373034] ? check_preemption_disabled+0x41/0x280 [ 564.378076] ? ext4_issue_zeroout+0x160/0x160 [ 564.382685] ? __brelse+0x84/0xa0 [ 564.386161] ? __ext4_new_inode+0x2eb/0x5a20 [ 564.390596] ext4_getblk+0xad/0x4f0 [ 564.394245] ? ext4_iomap_begin+0xe00/0xe00 [ 564.398683] ? ext4_free_inode+0x1780/0x1780 [ 564.403111] ? debug_check_no_obj_freed+0x201/0x490 [ 564.408152] ? __dquot_initialize+0x298/0xb70 [ 564.412724] ext4_bread+0x7c/0x210 [ 564.416288] ? ext4_getblk+0x4f0/0x4f0 [ 564.420195] ? dquot_initialize_needed+0x290/0x290 [ 564.425150] ? trace_hardirqs_off+0x64/0x200 [ 564.429596] ext4_append+0x155/0x370 [ 564.433337] ext4_mkdir+0x5bd/0xe10 [ 564.436987] ? ext4_init_dot_dotdot+0x600/0x600 [ 564.441677] ? generic_permission+0x116/0x4d0 [ 564.446194] ? inode_permission.part.0+0x10c/0x450 [ 564.451148] vfs_mkdir+0x508/0x7a0 [ 564.454705] do_mkdirat+0x262/0x2d0 [ 564.458368] ? __ia32_sys_mknod+0x120/0x120 20:06:55 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) [ 564.462705] ? trace_hardirqs_off_caller+0x6e/0x210 [ 564.467731] ? do_syscall_64+0x21/0x620 [ 564.471730] do_syscall_64+0xf9/0x620 [ 564.475587] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 564.480881] RIP: 0033:0x4656e7 [ 564.484084] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 564.503088] RSP: 002b:00007f76a76a8fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 564.510812] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004656e7 [ 564.518092] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 00000000200000c0 [ 564.525372] RBP: 00007f76a76a9040 R08: 0000000000000000 R09: ffffffffffffffff [ 564.532747] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 564.540072] R13: 00000000200000c0 R14: 00007f76a76a9000 R15: 0000000000000000 20:06:55 executing program 1: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) [ 564.562291] block nbd5: shutting down sockets [ 564.581038] block nbd3: shutting down sockets [ 564.585704] block nbd0: shutting down sockets [ 564.601806] block nbd5: shutting down sockets 20:06:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab01) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:55 executing program 2 (fault-call:3 fault-nth:30): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 564.644463] block nbd0: shutting down sockets [ 564.654166] block nbd3: shutting down sockets [ 564.767675] FAULT_INJECTION: forcing a failure. [ 564.767675] name failslab, interval 1, probability 0, space 0, times 0 [ 564.779542] CPU: 1 PID: 26977 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 564.787454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 564.796828] Call Trace: [ 564.799442] dump_stack+0x1fc/0x2ef [ 564.803100] should_fail.cold+0xa/0xf [ 564.806927] ? mark_held_locks+0xf0/0xf0 [ 564.811021] ? setup_fault_attr+0x200/0x200 [ 564.815373] ? __sigqueue_alloc+0x18a/0x4c0 [ 564.819762] __should_failslab+0x115/0x180 [ 564.824040] should_failslab+0x5/0x10 [ 564.827936] kmem_cache_alloc+0x3f/0x370 [ 564.832140] __sigqueue_alloc+0x246/0x4c0 [ 564.836320] __send_signal+0xec9/0x15c0 [ 564.840391] force_sig_info+0x262/0x3b0 [ 564.844405] force_sig_info_fault.constprop.0+0x1e6/0x320 [ 564.850019] ? is_prefetch.part.0+0x410/0x410 [ 564.854671] ? check_preemption_disabled+0xe5/0x280 [ 564.859748] ? lock_downgrade+0x720/0x720 [ 564.864115] __bad_area_nosemaphore+0x2c1/0x400 [ 564.868814] ? up_read+0x17/0x110 [ 564.872348] __do_page_fault+0x94c/0xd60 [ 564.876476] ? page_fault+0x8/0x30 [ 564.880047] ? trace_hardirqs_off_caller+0x6e/0x210 [ 564.885126] ? spurious_fault+0x840/0x840 [ 564.889320] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 564.895247] ? page_fault+0x8/0x30 [ 564.898853] page_fault+0x1e/0x30 [ 564.902376] RIP: 0033:0x456651 [ 564.905604] Code: c1 e1 20 48 09 ca 48 0f bc d2 48 01 d0 48 29 f8 c3 0f 1f 84 00 00 00 00 00 89 f9 48 89 fa c5 f9 ef c0 83 e1 3f 83 f9 20 77 1f fd 74 0f c5 fd d7 c1 85 c0 0f 85 df 00 00 00 48 83 c7 20 83 e1 [ 564.924527] RSP: 002b:00007f76a76a8fa8 EFLAGS: 00010283 [ 564.929909] RAX: 0000000000000000 RBX: 0000000020000600 RCX: 0000000000000000 [ 564.937190] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000000000000 [ 564.944458] RBP: 00007f76a76a9040 R08: 0000000000000000 R09: ffffffffffffffff [ 564.951785] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 564.959071] R13: 00000000200000c0 R14: 00007f76a76a9000 R15: 0000000000000000 [ 564.996058] block nbd5: shutting down sockets 20:06:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab00) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:55 executing program 1: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125e) 20:06:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:55 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000003) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:55 executing program 2 (fault-call:3 fault-nth:31): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 565.053221] block nbd5: shutting down sockets 20:06:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab02) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 565.112439] block nbd0: shutting down sockets [ 565.142341] block nbd3: shutting down sockets [ 565.151775] block nbd0: shutting down sockets 20:06:56 executing program 1: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125e) [ 565.179970] audit: type=1804 audit(1625688416.060:248): pid=26995 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/574/cgroup.controllers" dev="sda1" ino=14233 res=1 [ 565.209615] FAULT_INJECTION: forcing a failure. [ 565.209615] name failslab, interval 1, probability 0, space 0, times 0 [ 565.215298] block nbd3: shutting down sockets [ 565.257430] CPU: 0 PID: 27000 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 565.265389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 565.275287] Call Trace: [ 565.277895] dump_stack+0x1fc/0x2ef [ 565.281544] should_fail.cold+0xa/0xf [ 565.285806] ? setup_fault_attr+0x200/0x200 [ 565.290150] ? lock_downgrade+0x720/0x720 [ 565.294314] ? check_preemption_disabled+0x41/0x280 [ 565.299354] __should_failslab+0x115/0x180 [ 565.303607] should_failslab+0x5/0x10 [ 565.307421] kmem_cache_alloc+0x277/0x370 [ 565.311583] ext4_mb_new_blocks+0x60a/0x4370 [ 565.316020] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 565.321049] ? ext4_cache_extents+0x68/0x2d0 [ 565.325464] ? ext4_find_extent+0x9bb/0xc70 [ 565.329803] ? ext4_discard_preallocations+0xfb0/0xfb0 [ 565.335099] ? ext4_ext_search_right+0x2c7/0xb60 [ 565.339876] ? ext4_inode_to_goal_block+0x2d2/0x3e0 [ 565.344916] ext4_ext_map_blocks+0x2aa2/0x7390 [ 565.349535] ? __lock_acquire+0x6de/0x3ff0 [ 565.353797] ? perf_trace_lock_acquire+0x530/0x530 [ 565.358758] ? perf_trace_lock+0xe2/0x4b0 [ 565.363164] ? check_preemption_disabled+0x41/0x280 [ 565.368202] ? ext4_find_delalloc_cluster+0x1f0/0x1f0 [ 565.373411] ? perf_trace_lock+0xe2/0x4b0 [ 565.377594] ? ext4_es_lookup_extent+0x375/0xb60 [ 565.382390] ? ext4_map_blocks+0x59f/0x1a50 [ 565.386745] ext4_map_blocks+0x7a2/0x1a50 [ 565.391036] ? check_preemption_disabled+0x41/0x280 [ 565.396112] ? ext4_issue_zeroout+0x160/0x160 [ 565.400634] ? __brelse+0x84/0xa0 20:06:56 executing program 1: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125e) 20:06:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 565.404106] ? __ext4_new_inode+0x2eb/0x5a20 [ 565.408589] ext4_getblk+0xad/0x4f0 [ 565.412262] ? ext4_iomap_begin+0xe00/0xe00 [ 565.416603] ? ext4_free_inode+0x1780/0x1780 [ 565.421121] ? debug_check_no_obj_freed+0x201/0x490 [ 565.426168] ? __dquot_initialize+0x298/0xb70 [ 565.430704] ext4_bread+0x7c/0x210 [ 565.434300] ? ext4_getblk+0x4f0/0x4f0 [ 565.438272] ? dquot_initialize_needed+0x290/0x290 [ 565.443256] ? trace_hardirqs_off+0x64/0x200 [ 565.447725] ext4_append+0x155/0x370 [ 565.451491] ext4_mkdir+0x5bd/0xe10 [ 565.455264] ? ext4_init_dot_dotdot+0x600/0x600 [ 565.459974] ? generic_permission+0x116/0x4d0 [ 565.464508] ? inode_permission.part.0+0x10c/0x450 [ 565.469472] vfs_mkdir+0x508/0x7a0 [ 565.473040] do_mkdirat+0x262/0x2d0 [ 565.476685] ? __ia32_sys_mknod+0x120/0x120 [ 565.481038] ? trace_hardirqs_off_caller+0x6e/0x210 [ 565.486078] ? do_syscall_64+0x21/0x620 [ 565.490079] do_syscall_64+0xf9/0x620 [ 565.493914] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 565.499224] RIP: 0033:0x4656e7 [ 565.502463] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 565.521471] RSP: 002b:00007f76a76a8fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 565.529203] RAX: ffffffffffffffda RBX: 0000000020000600 RCX: 00000000004656e7 [ 565.536502] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 00000000200000c0 [ 565.543796] RBP: 00007f76a76a9040 R08: 0000000000000000 R09: ffffffffffffffff [ 565.551080] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 20:06:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab01) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 565.558363] R13: 00000000200000c0 R14: 00007f76a76a9000 R15: 0000000000000000 [ 565.592628] block nbd5: shutting down sockets 20:06:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5450) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 565.605304] block nbd0: shutting down sockets 20:06:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 565.662099] block nbd0: shutting down sockets 20:06:56 executing program 2 (fault-call:3 fault-nth:32): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1260) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 565.702402] block nbd3: shutting down sockets [ 565.722663] block nbd1: shutting down sockets 20:06:56 executing program 1 (fault-call:1 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) [ 565.777789] block nbd3: shutting down sockets [ 565.844880] audit: type=1804 audit(1625688416.730:249): pid=27002 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/574/cgroup.controllers" dev="sda1" ino=14233 res=1 20:06:56 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000004) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab02) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 565.954605] FAULT_INJECTION: forcing a failure. [ 565.954605] name failslab, interval 1, probability 0, space 0, times 0 [ 565.965854] CPU: 0 PID: 27038 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 565.973748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 565.983126] Call Trace: [ 565.986023] dump_stack+0x1fc/0x2ef [ 565.989671] should_fail.cold+0xa/0xf [ 565.993485] ? mark_held_locks+0xf0/0xf0 [ 565.997558] ? setup_fault_attr+0x200/0x200 [ 566.002087] ? __sigqueue_alloc+0x18a/0x4c0 [ 566.006444] __should_failslab+0x115/0x180 [ 566.010710] should_failslab+0x5/0x10 [ 566.014535] kmem_cache_alloc+0x3f/0x370 [ 566.018622] __sigqueue_alloc+0x246/0x4c0 [ 566.022817] __send_signal+0xec9/0x15c0 [ 566.026840] force_sig_info+0x262/0x3b0 [ 566.031320] force_sig_info_fault.constprop.0+0x1e6/0x320 [ 566.036883] ? is_prefetch.part.0+0x410/0x410 [ 566.041424] ? check_preemption_disabled+0xe5/0x280 [ 566.046463] ? lock_downgrade+0x720/0x720 [ 566.050635] __bad_area_nosemaphore+0x2c1/0x400 [ 566.055330] ? up_read+0x17/0x110 [ 566.058813] __do_page_fault+0x94c/0xd60 [ 566.062892] ? page_fault+0x8/0x30 [ 566.066449] ? trace_hardirqs_off_caller+0x6e/0x210 [ 566.071477] ? spurious_fault+0x840/0x840 [ 566.075643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 566.080528] ? page_fault+0x8/0x30 [ 566.084093] page_fault+0x1e/0x30 [ 566.087571] RIP: 0033:0x456651 [ 566.090784] Code: c1 e1 20 48 09 ca 48 0f bc d2 48 01 d0 48 29 f8 c3 0f 1f 84 00 00 00 00 00 89 f9 48 89 fa c5 f9 ef c0 83 e1 3f 83 f9 20 77 1f fd 74 0f c5 fd d7 c1 85 c0 0f 85 df 00 00 00 48 83 c7 20 83 e1 [ 566.108639] audit: type=1804 audit(1625688416.990:250): pid=27056 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/575/cgroup.controllers" dev="sda1" ino=14261 res=1 [ 566.109692] RSP: 002b:00007f76a76a8fa8 EFLAGS: 00010283 [ 566.140198] RAX: 0000000000000000 RBX: 0000000020000600 RCX: 0000000000000000 [ 566.147473] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000000000000 20:06:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) [ 566.154838] RBP: 00007f76a76a9040 R08: 0000000000000000 R09: ffffffffffffffff [ 566.162124] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000000000 [ 566.169491] R13: 00000000200000c0 R14: 00007f76a76a9000 R15: 0000000000000000 [ 566.185850] block nbd0: shutting down sockets 20:06:57 executing program 2 (fault-call:3 fault-nth:33): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x2) [ 566.204972] block nbd3: shutting down sockets [ 566.212468] block nbd5: shutting down sockets [ 566.232459] block nbd3: shutting down sockets [ 566.238633] block nbd0: shutting down sockets 20:06:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1261) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 566.272598] block nbd5: shutting down sockets 20:06:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab05) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 566.377519] block nbd3: shutting down sockets 20:06:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x301) [ 566.412254] block nbd0: shutting down sockets [ 566.431745] audit: type=1804 audit(1625688417.310:251): pid=27056 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/575/cgroup.controllers" dev="sda1" ino=14261 res=1 20:06:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab05) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:57 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000005) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 566.458399] block nbd3: shutting down sockets [ 566.471974] block nbd0: shutting down sockets [ 566.492764] block nbd5: shutting down sockets 20:06:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1262) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125d) [ 566.552253] block nbd5: shutting down sockets [ 566.560564] audit: type=1804 audit(1625688417.350:252): pid=27052 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/575/cgroup.controllers" dev="sda1" ino=14261 res=1 20:06:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab06) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 566.652190] block nbd3: shutting down sockets [ 566.652253] block nbd0: shutting down sockets 20:06:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125f) [ 566.689098] audit: type=1804 audit(1625688417.570:253): pid=27097 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/576/cgroup.controllers" dev="sda1" ino=14249 res=1 [ 566.718184] block nbd3: shutting down sockets [ 566.725303] block nbd0: shutting down sockets [ 566.742853] block nbd5: shutting down sockets 20:06:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab06) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x2, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1263) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 566.832047] block nbd5: shutting down sockets 20:06:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab07) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1260) [ 566.892549] block nbd3: shutting down sockets [ 566.952252] block nbd0: shutting down sockets [ 566.957044] block nbd3: shutting down sockets [ 566.973754] block nbd5: shutting down sockets 20:06:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x3, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:57 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000007) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1261) 20:06:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab07) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 566.995259] audit: type=1804 audit(1625688417.880:254): pid=27106 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/576/cgroup.controllers" dev="sda1" ino=14249 res=1 [ 567.032144] block nbd0: shutting down sockets [ 567.042110] block nbd5: shutting down sockets 20:06:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1264) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab08) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1262) [ 567.172163] block nbd3: shutting down sockets [ 567.211827] block nbd3: shutting down sockets [ 567.261042] block nbd5: NBD_DISCONNECT [ 567.269280] block nbd0: shutting down sockets [ 567.272248] block nbd5: Disconnected due to user request. [ 567.279392] block nbd5: shutting down sockets 20:06:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab08) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 567.286976] audit: type=1804 audit(1625688418.170:255): pid=27156 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/577/cgroup.controllers" dev="sda1" ino=14705 res=1 20:06:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x4, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 567.332000] block nbd0: shutting down sockets 20:06:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1263) 20:06:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1265) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 567.362210] block nbd5: NBD_DISCONNECT [ 567.366928] block nbd5: Send disconnect failed -32 [ 567.382019] block nbd5: Disconnected due to user request. [ 567.388052] block nbd5: shutting down sockets 20:06:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab09) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1264) [ 567.482343] block nbd3: NBD_DISCONNECT [ 567.487801] block nbd3: Disconnected due to user request. [ 567.506485] block nbd3: shutting down sockets [ 567.552162] block nbd0: shutting down sockets [ 567.572110] block nbd3: NBD_DISCONNECT [ 567.576575] block nbd3: Disconnected due to user request. [ 567.585240] block nbd3: shutting down sockets [ 567.588129] block nbd5: shutting down sockets [ 567.601737] block nbd0: shutting down sockets [ 567.653737] block nbd5: shutting down sockets 20:06:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x5, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1265) 20:06:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab09) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:58 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000008) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:06:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab0a) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1267) [ 567.912215] block nbd5: shutting down sockets 20:06:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x6, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 567.955641] block nbd3: shutting down sockets [ 567.960576] block nbd0: shutting down sockets [ 567.968757] block nbd5: shutting down sockets 20:06:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x40049409) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1268) [ 568.005248] audit: type=1804 audit(1625688418.890:256): pid=27212 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/578/cgroup.controllers" dev="sda1" ino=14705 res=1 [ 568.042032] block nbd0: shutting down sockets [ 568.046668] block nbd3: shutting down sockets 20:06:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab0a) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1268) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 568.142245] block nbd5: shutting down sockets 20:06:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1269) [ 568.201393] block nbd5: shutting down sockets 20:06:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x7, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x40081271) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 568.228160] audit: type=1804 audit(1625688419.110:257): pid=27225 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/578/cgroup.controllers" dev="sda1" ino=14705 res=1 [ 568.232766] block nbd0: shutting down sockets [ 568.267611] block nbd3: shutting down sockets 20:06:59 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000000a) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 568.312309] block nbd3: shutting down sockets 20:06:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1274) 20:06:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x40049409) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 568.391855] block nbd0: shutting down sockets 20:06:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1269) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 568.443485] block nbd5: shutting down sockets 20:06:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x8, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 568.492092] block nbd5: shutting down sockets [ 568.500213] audit: type=1804 audit(1625688419.380:258): pid=27259 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/579/cgroup.controllers" dev="sda1" ino=14272 res=1 20:06:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1276) 20:06:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x40101283) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 568.552308] block nbd0: shutting down sockets [ 568.573768] block nbd3: shutting down sockets 20:06:59 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000000b) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 568.603608] audit: type=1804 audit(1625688419.490:259): pid=27268 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/579/cgroup.controllers" dev="sda1" ino=14272 res=1 [ 568.646032] block nbd3: shutting down sockets [ 568.657692] block nbd0: shutting down sockets 20:06:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x40081271) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1274) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1277) [ 568.755964] block nbd5: shutting down sockets 20:06:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xd, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 568.792744] block nbd3: shutting down sockets [ 568.804317] block nbd5: shutting down sockets [ 568.808988] audit: type=1804 audit(1625688419.690:260): pid=27290 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/580/cgroup.controllers" dev="sda1" ino=14081 res=1 [ 568.841963] block nbd0: shutting down sockets 20:06:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1278) 20:06:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070c9) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:06:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x40101283) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 568.874909] block nbd3: shutting down sockets 20:06:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1276) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 568.921892] block nbd0: shutting down sockets 20:06:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x1279) [ 569.002222] block nbd3: shutting down sockets 20:06:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x10, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:06:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127a) [ 569.044344] block nbd3: shutting down sockets [ 569.064429] block nbd5: shutting down sockets [ 569.076030] block nbd0: shutting down sockets [ 569.103102] block nbd5: shutting down sockets [ 569.151819] block nbd0: shutting down sockets 20:07:00 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000000c) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070c9) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1277) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070ca) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127b) 20:07:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x13, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 569.322639] block nbd0: shutting down sockets 20:07:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127c) [ 569.345156] block nbd5: shutting down sockets [ 569.354217] block nbd3: shutting down sockets [ 569.380521] block nbd0: shutting down sockets 20:07:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1278) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 569.412364] block nbd5: shutting down sockets [ 569.432067] block nbd3: shutting down sockets 20:07:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070cd) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070ca) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127d) 20:07:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x48, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 569.562641] block nbd0: shutting down sockets [ 569.603003] block nbd5: shutting down sockets [ 569.614460] block nbd0: shutting down sockets [ 569.617897] block nbd3: shutting down sockets [ 569.661979] block nbd5: shutting down sockets [ 569.672380] block nbd3: shutting down sockets 20:07:00 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000000d) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x1279) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127e) 20:07:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070cd) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870c8) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 569.772394] block nbd0: shutting down sockets 20:07:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x4c, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x127f) [ 569.822193] block nbd3: shutting down sockets [ 569.826888] block nbd0: shutting down sockets [ 569.842319] block nbd5: shutting down sockets 20:07:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127a) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 569.872625] block nbd5: shutting down sockets [ 569.878783] block nbd3: shutting down sockets 20:07:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870cb) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870c8) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x5421) 20:07:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x68, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 570.022696] block nbd5: shutting down sockets [ 570.028171] block nbd0: shutting down sockets [ 570.036690] block nbd3: shutting down sockets [ 570.085800] block nbd5: shutting down sockets [ 570.085947] block nbd3: shutting down sockets [ 570.100086] block nbd0: shutting down sockets 20:07:01 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000000f) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870cb) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870cc) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127b) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x5450) 20:07:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x6c, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x5451) [ 570.382255] block nbd3: shutting down sockets [ 570.387254] block nbd5: shutting down sockets [ 570.431977] block nbd3: shutting down sockets [ 570.436693] block nbd5: shutting down sockets [ 570.443053] block nbd0: shutting down sockets 20:07:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x74, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x4020940d) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870cc) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 570.512271] block nbd0: shutting down sockets 20:07:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x5452) 20:07:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127c) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 570.603073] block nbd5: shutting down sockets [ 570.642493] block nbd3: shutting down sockets [ 570.652673] block nbd5: shutting down sockets [ 570.703269] block nbd3: shutting down sockets [ 570.722124] block nbd0: shutting down sockets [ 570.762010] block nbd0: shutting down sockets 20:07:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127d) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x5460) 20:07:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x7a, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:01 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000010) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x80081270) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x4020940d) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 571.002080] block nbd0: shutting down sockets [ 571.022108] block nbd5: shutting down sockets 20:07:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x40049409) [ 571.043226] block nbd0: shutting down sockets [ 571.048926] block nbd3: shutting down sockets 20:07:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xe0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 571.092428] block nbd5: shutting down sockets [ 571.112495] block nbd3: shutting down sockets 20:07:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x80081272) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x80081270) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 571.222606] block nbd0: shutting down sockets 20:07:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x40081271) 20:07:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xf0, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 571.301993] block nbd0: shutting down sockets [ 571.307019] block nbd3: shutting down sockets [ 571.313248] block nbd5: shutting down sockets 20:07:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x127f) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x80081272) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 571.361982] block nbd5: shutting down sockets 20:07:02 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000064) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x40101283) 20:07:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401070c9) [ 571.482502] block nbd0: shutting down sockets [ 571.519466] block nbd3: shutting down sockets 20:07:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x300, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 571.552341] block nbd3: shutting down sockets [ 571.552350] block nbd0: shutting down sockets [ 571.572700] block nbd5: shutting down sockets 20:07:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5421) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 571.623449] block nbd5: shutting down sockets 20:07:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401070ca) 20:07:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 571.672686] kauditd_printk_skb: 7 callbacks suppressed [ 571.672700] audit: type=1804 audit(1625688422.560:268): pid=27569 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/585/cgroup.controllers" dev="sda1" ino=14850 res=1 20:07:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401070cd) 20:07:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x500, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 571.797602] block nbd0: shutting down sockets [ 571.814472] block nbd5: shutting down sockets [ 571.821149] block nbd3: shutting down sockets 20:07:02 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x1000000e0) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 571.854354] block nbd0: shutting down sockets [ 571.872096] block nbd3: shutting down sockets 20:07:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401870c8) 20:07:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5450) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 571.912101] block nbd5: shutting down sockets 20:07:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0101282) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401870cb) [ 572.032851] block nbd0: shutting down sockets [ 572.044821] block nbd3: shutting down sockets 20:07:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x600, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x401870cc) [ 572.071334] audit: type=1804 audit(1625688422.950:269): pid=27607 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/586/cgroup.controllers" dev="sda1" ino=14802 res=1 [ 572.102511] block nbd0: shutting down sockets [ 572.123115] block nbd3: shutting down sockets 20:07:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5451) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 572.156167] block nbd5: shutting down sockets 20:07:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0101282) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 572.211801] block nbd5: shutting down sockets 20:07:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0189436) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x4020940d) [ 572.310004] block nbd0: shutting down sockets [ 572.352110] block nbd3: shutting down sockets [ 572.363605] block nbd0: shutting down sockets [ 572.382357] block nbd5: shutting down sockets [ 572.421933] block nbd3: shutting down sockets [ 572.443597] block nbd5: shutting down sockets [ 572.461760] audit: type=1804 audit(1625688423.340:270): pid=27615 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/586/cgroup.controllers" dev="sda1" ino=14802 res=1 20:07:03 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x1000000f0) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:03 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x700, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc020660b) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5452) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0189436) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x80081270) 20:07:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x80081272) [ 572.633561] block nbd0: shutting down sockets 20:07:03 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xd00, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 572.672294] block nbd0: shutting down sockets [ 572.676940] block nbd5: shutting down sockets [ 572.682860] block nbd3: shutting down sockets [ 572.722576] block nbd5: shutting down sockets [ 572.742465] block nbd3: shutting down sockets [ 572.756981] audit: type=1804 audit(1625688423.640:271): pid=27672 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/587/cgroup.controllers" dev="sda1" ino=14994 res=1 20:07:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc0045878) 20:07:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x5460) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc020660b) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0481273) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 572.892590] block nbd0: shutting down sockets [ 572.932687] block nbd0: shutting down sockets [ 572.996446] block nbd5: shutting down sockets [ 573.027471] block nbd3: shutting down sockets 20:07:04 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x1000001ec) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:04 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x1300, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab00) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc0045878) [ 573.052202] block nbd5: shutting down sockets [ 573.057892] audit: type=1804 audit(1625688423.940:272): pid=27681 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/587/cgroup.controllers" dev="sda1" ino=14994 res=1 [ 573.092155] block nbd3: shutting down sockets 20:07:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0481273) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 573.192277] block nbd0: shutting down sockets 20:07:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc0101282) [ 573.255576] block nbd0: shutting down sockets 20:07:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab01) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 573.302552] block nbd3: shutting down sockets 20:07:04 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x1327, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 573.352580] audit: type=1804 audit(1625688424.240:273): pid=27724 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/588/cgroup.controllers" dev="sda1" ino=14234 res=1 [ 573.361964] block nbd3: shutting down sockets 20:07:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc0189436) [ 573.442636] block nbd0: shutting down sockets [ 573.453642] block nbd5: shutting down sockets 20:07:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab08) mmap(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x2, 0x8010, r2, 0x33836000) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) [ 573.518630] block nbd5: Receive control failed (result -32) [ 573.527000] block nbd5: shutting down sockets [ 573.527204] block nbd0: shutting down sockets 20:07:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x480cc1) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_DO_IT(r3, 0xab03) r4 = dup2(r2, r3) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 573.692025] block nbd3: NBD_DISCONNECT 20:07:04 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000300) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab02) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc020660b) 20:07:04 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x1d27, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 573.758101] block nbd3: Disconnected due to user request. [ 573.778188] block nbd3: shutting down sockets 20:07:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xc0481273) [ 573.832834] block nbd3: NBD_DISCONNECT [ 573.845681] block nbd0: shutting down sockets [ 573.850616] block nbd3: Disconnected due to user request. [ 573.889308] audit: type=1804 audit(1625688424.770:274): pid=27787 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/589/cgroup.controllers" dev="sda1" ino=15153 res=1 [ 573.893795] block nbd3: shutting down sockets [ 573.928217] block nbd0: shutting down sockets 20:07:04 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x1f00, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:04 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:04 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$mouse(&(0x7f00000000c0), 0x9, 0x12100) r4 = dup2(r3, r0) r5 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000200), 0x103800, 0x0) ioctl$KVM_HAS_DEVICE_ATTR(r5, 0x4018aee3, &(0x7f0000000280)={0x0, 0x8, 0x1f, &(0x7f0000000240)=0x80}) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x5, 0x68, 0x0, 0x2, 0x0, 0x101, 0x2400, 0x11, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x2, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x3ff, 0x2, @perf_config_ext={0x200, 0x3}, 0x8042, 0x9, 0x1, 0x8, 0x5, 0x5, 0x2efb, 0x0, 0xe96, 0x0, 0x94}, 0x0, 0x3, r4, 0x1) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x1) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r7 = syz_open_procfs(0x0, &(0x7f00000002c0)='attr/keycreate\x00') r8 = syz_open_procfs(0x0, &(0x7f0000000300)='fd\x00') ioctl$NBD_SET_SOCK(r7, 0xab00, r8) pipe2(&(0x7f0000000180)={0xffffffffffffffff}, 0x800) ioctl$NBD_SET_SOCK(r9, 0xab00, r3) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2240c3) ioctl$NBD_DO_IT(r0, 0x125e) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x62282) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 574.062266] block nbd0: shutting down sockets [ 574.101989] block nbd0: shutting down sockets 20:07:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab05) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:05 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000500) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 574.201283] block nbd3: shutting down sockets [ 574.292119] block nbd0: shutting down sockets [ 574.342479] block nbd0: shutting down sockets [ 574.365397] audit: type=1804 audit(1625688425.250:275): pid=27819 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/590/cgroup.controllers" dev="sda1" ino=15074 res=1 [ 574.505541] block nbd5: Receive control failed (result -32) [ 574.531932] block nbd5: Device being setup by another task [ 574.547581] block nbd5: shutting down sockets 20:07:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000000), 0x440, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab08) clone(0x2000004100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = gettid() futex(&(0x7f0000000140)=0x2, 0x0, 0x2, 0x0, 0x0, 0x0) ptrace$setopts(0x4206, r2, 0x0, 0x0) tkill(r2, 0x2d) ptrace$cont(0x420b, r2, 0x8, 0x807100) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$IOC_PR_PREEMPT_ABORT(r1, 0x401870cc, &(0x7f0000000080)={0x95, 0xb685, 0x10001, 0x8000}) 20:07:05 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x2000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:05 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x101000) 20:07:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab06) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r1 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4949c0) ioctl$NBD_DO_IT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x4000, 0x50) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = getpid() sched_setattr(r5, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) r6 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r6, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{0xffffffffffffffff, 0x10}], 0x1, 0x2000000) kcmp$KCMP_EPOLL_TFD(0x0, r5, 0x7, r6, &(0x7f0000000100)={r4, r4, 0x4}) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:05 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x2713, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 574.752405] block nbd0: shutting down sockets 20:07:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab07) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 574.781880] block nbd0: shutting down sockets [ 574.799035] audit: type=1804 audit(1625688425.680:276): pid=27824 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/590/cgroup.controllers" dev="sda1" ino=15074 res=1 [ 574.804022] block nbd3: shutting down sockets 20:07:05 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000600) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:05 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x271d, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 574.916291] audit: type=1804 audit(1625688425.680:277): pid=27819 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/590/cgroup.controllers" dev="sda1" ino=15074 res=1 [ 574.952239] block nbd3: shutting down sockets [ 574.958673] block nbd3: Could not allocate knbd recv work queue. 20:07:05 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 574.960751] block nbd5: shutting down sockets [ 574.979082] block nbd0: shutting down sockets [ 575.041961] block nbd0: shutting down sockets 20:07:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab08) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 575.142779] block nbd0: NBD_DISCONNECT [ 575.148832] block nbd0: Disconnected due to user request. [ 575.162268] block nbd0: shutting down sockets 20:07:06 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x3f00, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 575.201023] block nbd3: shutting down sockets [ 575.202068] block nbd0: NBD_DISCONNECT [ 575.216200] block nbd0: Disconnected due to user request. [ 575.231053] block nbd0: shutting down sockets [ 575.317650] block nbd3: Receive control failed (result -32) [ 575.334775] block nbd3: shutting down sockets 20:07:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab09) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:06 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000700) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:06 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400400) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x2002) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) ioctl$NBD_DISCONNECT(r0, 0xab08) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) getsockopt$IP_VS_SO_GET_VERSION(r4, 0x0, 0x480, &(0x7f00000000c0), &(0x7f0000000100)=0x40) 20:07:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:06 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x4000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 575.623178] block nbd0: shutting down sockets [ 575.671981] block nbd0: shutting down sockets 20:07:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x20080) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x401) ioctl$NBD_DO_IT(r0, 0x125e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab0a) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 575.722749] block nbd5: shutting down sockets 20:07:06 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x4800, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 575.771864] block nbd5: shutting down sockets [ 575.792190] block nbd0: shutting down sockets 20:07:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r5 = socket$inet(0x2, 0xa, 0x53) splice(r5, &(0x7f00000000c0)=0x34e8, r3, &(0x7f0000000100)=0x1, 0x0, 0xa) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, 0x0, 0x20, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x4020}, 0x4040080) [ 575.861881] block nbd0: shutting down sockets 20:07:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) pipe(&(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f00000001c0)={0x26, 'hash\x00', 0x0, 0x0, 'crc32c\x00'}, 0x58) r4 = accept4$alg(r3, 0x0, 0x0, 0x0) splice(r1, 0x0, r4, 0x0, 0xeba, 0x8) write$binfmt_elf64(r2, &(0x7f00000003c0)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}], "56f21fe1"}, 0x7c) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x40049409) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:06 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x4c00, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 575.972706] syz-executor.5 uses obsolete (PF_INET,SOCK_PACKET) 20:07:06 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000900) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 576.046863] block nbd5: shutting down sockets [ 576.077624] block nbd0: shutting down sockets 20:07:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) [ 576.131777] block nbd5: shutting down sockets [ 576.144688] block nbd0: shutting down sockets 20:07:07 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) io_setup(0x40, &(0x7f00000000c0)=0x0) io_submit(r4, 0x1, &(0x7f0000000180)=[&(0x7f0000000140)={0x0, 0x0, 0x0, 0x6, 0xbb6, r3, &(0x7f0000000100)="2bad793c669c59aa2d3c442e44", 0xd, 0x8, 0x0, 0x2}]) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:07 executing program 5: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$DRM_IOCTL_SET_VERSION(r0, 0xc0106407, &(0x7f0000000140)={0x7fffffff, 0x9e, 0x0, 0x1}) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400000) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r3 = openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0), 0x410000, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r6 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) 20:07:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x40081271) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x602801) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x402241) ioctl$BLKTRACESTART(r1, 0x1274, 0x0) 20:07:07 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x6800, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:07 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000a00) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 576.417145] block nbd3: Receive control failed (result -32) [ 576.423099] block nbd3: shutting down sockets [ 576.441728] block nbd3: Device being setup by another task 20:07:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x220240) 20:07:07 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x6c00, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 576.593581] block nbd0: shutting down sockets [ 576.651832] block nbd0: shutting down sockets [ 576.658974] block nbd3: shutting down sockets 20:07:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x40101283) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 576.702368] block nbd3: shutting down sockets [ 576.717098] block nbd3: Could not allocate knbd recv work queue. 20:07:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000), 0x204002, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:07 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x7400, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:07 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x400240) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 576.862663] block nbd0: shutting down sockets 20:07:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070c9) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 576.985176] block nbd3: shutting down sockets [ 577.019658] block nbd0: shutting down sockets [ 577.042549] block nbd3: shutting down sockets [ 577.072036] block nbd0: shutting down sockets 20:07:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 20:07:08 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x7a00, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0xd3) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DO_IT(r1, 0xab03) 20:07:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070ca) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:08 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000b00) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 577.337281] block nbd5: Receive control failed (result -32) [ 577.344380] block nbd5: shutting down sockets 20:07:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ioctl$DRM_IOCTL_GET_CLIENT(r1, 0xc0286405, &(0x7f0000001600)={0x3, 0x1, {0xffffffffffffffff}, {0xee00}, 0x6, 0x401}) statx(r1, &(0x7f0000001640)='./file0\x00', 0x400, 0x0, &(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, 0x0}) syz_mount_image$hpfs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0xfffffffffffffffd, 0x9, &(0x7f0000001500)=[{&(0x7f0000000100)="9a175c8ad32f6cc6aac9c8b9c5e2b38cbd02f9b41834a4e56b901747b1be166c6605840896dfbd75c7d63f7929afe814706b64baf0ac5abf816c7595bad9", 0x3e, 0x1}, {&(0x7f0000000140)="0be5e61f9ef6a98767548d7bc414cc86ee844a515a14972121633ef18274995097fe502b0ecbcf2f1f336f68e7a8ec5f325d3fd868773f3258de33d8bf8b88310b", 0x41, 0xffffffffffffffff}, {&(0x7f00000001c0)="d158c1cec7c7b9b67798f0605df3ea94a3d877b8471c094070df472b31bdb8ed1c759157399f04f2", 0x28, 0x5}, {&(0x7f0000000200)="f6b80ef6d51467adc3b051d4aa63197e9d86cfeef2f129ccd13a5ce61ca14a3bb56c49cea80840c9cf5bf0322ad8bb9840f54d33c42fb42b0646b17a5f1a7c39b415fce392b79acada63b9322450eb363873c92989073b8441d27697f2873682d1bbd9ac6b321929c12e34da6837a72430e26fa81f17d811c2df813555e8d51c147c1fd14a864b8706bedac2870bb3bfbfc89f57fd16a7b906c81e667addb5b6ced0f2c89bf2e7669678699b36652a4b1cca106389e46ed25157c0c4cc5c433cc9692d1f0af3f48baf6aa1f6943925f4268f6a", 0xd3, 0x8}, {&(0x7f0000000300)="d409e38a9e07bf315c26968f22c76a11d5bf3747635776edf1471fff2ddf92e209bc0ab06a0c9f5c9b4a6e38bc75fa9ea1f54bc039251fa296e8bcf0332c169835", 0x41, 0x6}, {&(0x7f0000000380)="4bc5acf0bf629051fa9c583d22231951cbec51bb544f3aab249995ee7b2586e8af868938cca3b3843bbec9ddd21fd3e85ca8810ff9253efb61d8e671f25bfc5bdeb82a594ca716d49437030921ab7c62d843c98d2e86a2ba00f32514d2f44d3c43affb09c9637ae98ca13b0f3b5a52ec9f4e60a3875370fdd123fdeb6b00dcfd63b7b488ead726", 0x87, 0x3}, {&(0x7f0000000440)="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", 0x1000, 0x7e99}, {&(0x7f0000001440)="7907725173a44c5c9676aa2db6f4f4b5c3447dd28c2787354a6aa8143acd451921b562193fe23642cf47236c5801dcf5746161d455c7e5842ef94b9e15b613516c251778dbb6f4b0dde3b7ccf22483fdb621e52481920073b69743344f810a49f1c9bb986e2db9b5faa53aa7d1c2", 0x6e}, {&(0x7f00000014c0)="9cf751a40802821008c56b1fd5cbb6ef5374abc0710f68a759a03edce2c5ee6136c3a10a4f14840062d2f7be3a68c106e7fe1436b31392dd94de0f8e641b", 0x3e, 0xffffffffffff30b5}], 0x0, &(0x7f0000001780)={[{}, {'/dev/nbd#\x00'}, {'@^'}, {'/dev/nbd#\x00'}], [{@hash}, {@fowner_lt={'fowner<', r2}}, {@euid_lt={'euid<', r3}}]}) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0x125e) [ 577.462072] block nbd0: shutting down sockets [ 577.502649] block nbd3: shutting down sockets [ 577.512004] block nbd0: shutting down sockets 20:07:08 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x9700, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070cd) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 577.553679] kauditd_printk_skb: 6 callbacks suppressed [ 577.553696] audit: type=1804 audit(1625688428.440:284): pid=28070 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/595/cgroup.controllers" dev="sda1" ino=15383 res=1 [ 577.595032] block nbd3: shutting down sockets 20:07:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x8000) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000100), 0x200, 0x0) r7 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r7, 0x0) preadv(r7, &(0x7f0000000280), 0x18, 0xd9f, 0x0) pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000240)={0xd4, 0x0, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r4}, {0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r1}, {0x8, 0x1, r6}, {0x8, 0x1, r2}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r2}, {0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0xd4}, 0x1, 0x0, 0x0, 0xc004}, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 577.612127] block nbd5: shutting down sockets [ 577.623454] hpfs: bad mount options. [ 577.693319] block nbd5: shutting down sockets [ 577.721984] hpfs: bad mount options. 20:07:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:08 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xe0ff, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 577.773703] block nbd0: shutting down sockets 20:07:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) ioctl$FICLONERANGE(r0, 0x4020940d, &(0x7f0000000000)={{r0}, 0x10001, 0x5, 0x7fffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) 20:07:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870c8) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 577.805698] block nbd0: shutting down sockets 20:07:08 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000b35) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 577.861660] block nbd3: shutting down sockets [ 577.879146] audit: type=1804 audit(1625688428.760:285): pid=28082 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/595/cgroup.controllers" dev="sda1" ino=15383 res=1 [ 577.932284] block nbd0: shutting down sockets [ 577.940312] block nbd3: shutting down sockets [ 577.961897] block nbd0: shutting down sockets 20:07:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870cb) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:08 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x6) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmsg$inet(r4, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000300)=[{&(0x7f00000000c0)="093dddb7a632f1b9bf9fc6e17c23a3e37c6ccadf8050c53cf39398977da1bbf7557f2a7135239493416e35ce72abb76cef8492", 0x33}, {&(0x7f0000000100)="59a413a7865e8318ae5b6419e25f0657cf5df9c1d1f53e391b0e6e1986f17ed6f10d405770afd77100cd181e4f2c3b07d2d801389804c60a16c8ac4e2294d28b7e3c50fd41bbaa36", 0x48}, {&(0x7f0000000180)="836fa62a7e96363a55bda9dab0b01d71935a6fe500d4b2f61ed4a130d2d1d5bd0212f6e40f2dfa424a429f9ad0c6d834d8118a9104b70c5cc379a69ecddbac05d626e23b68c148eb50da01f7acd7f3705b9edf345816027ac100e8fb765d13e1276ab68cc5c461f6a548ad7c189893654ff5bfe3cfa3adf5c7d6fa", 0x7b}, {&(0x7f0000000200)="99de8b400743ffebb60d7b8a397e238b49f5af40757ec4eb6e6d55ffc96fdce1f7970cb24e631fb69033c99d60db7c257e90744220dde3eaa5be31951a0934702ec66048bbcc608d970fe1b164", 0x4d}, {&(0x7f0000000280)="111b8fac58f62f7dec5cbf08fbe11f29b8f305e9e31597c37afb145b95", 0x1d}, {&(0x7f00000002c0)="06f411d62ed765ebcaa9529aa07ebc5beaad25f5a973b489763ac884ca7d", 0x1e}], 0x6, &(0x7f0000000380)=[@ip_tos_int={{0x14, 0x0, 0x1, 0x5}}, @ip_ttl={{0x14}}], 0x30}, 0x8001) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 578.024522] block nbd5: shutting down sockets 20:07:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x100010, r1, 0x2000) preadv(r0, &(0x7f0000000200)=[{&(0x7f0000000080)=""/103, 0x67}, {&(0x7f0000000100)=""/244, 0xf4}], 0x2, 0x9, 0x5) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) openat(r1, &(0x7f0000000000)='./file0\x00', 0x8000, 0x10) socket(0x21, 0x40000, 0x6) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:09 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xf000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 578.086276] audit: type=1804 audit(1625688428.970:286): pid=28146 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/596/cgroup.controllers" dev="sda1" ino=13947 res=1 [ 578.124317] block nbd5: Could not allocate knbd recv work queue. [ 578.130766] block nbd5: shutting down sockets 20:07:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x220000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x80000, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x4b) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) r6 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r6, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r6}], 0x1, 0x1) preadv(r6, &(0x7f0000000280), 0x0, 0xd9f, 0x10000000) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 578.187130] block nbd0: shutting down sockets [ 578.222591] block nbd0: shutting down sockets [ 578.254860] block nbd3: shutting down sockets 20:07:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870cc) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 578.276739] audit: type=1804 audit(1625688429.160:287): pid=28154 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/596/cgroup.controllers" dev="sda1" ino=13947 res=1 20:07:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) openat$cgroup_ro(r1, &(0x7f0000000000)='pids.current\x00', 0x0, 0x0) 20:07:09 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000c00) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 578.334387] block nbd3: shutting down sockets 20:07:09 executing program 3: listen(0xffffffffffffffff, 0x3) r0 = syz_open_dev$ndb(&(0x7f0000000280), 0x0, 0x202282) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) openat$full(0xffffffffffffff9c, &(0x7f0000000100), 0xa000, 0x0) r3 = dup(r1) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x8000) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x402080, 0x70) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) statx(r5, &(0x7f0000000140)='./file0\x00', 0x4000, 0x20, &(0x7f0000000180)) r6 = syz_open_dev$vcsa(&(0x7f00000000c0), 0x9, 0x800) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 578.401127] block nbd0: shutting down sockets 20:07:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:09 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xff00, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 578.452367] block nbd0: shutting down sockets 20:07:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x4020940d) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x141000) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r2 = openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) fcntl$lock(r2, 0x5, &(0x7f0000000180)={0x1, 0x3, 0x3, 0xef}) ioctl$F2FS_IOC_RESERVE_COMPRESS_BLOCKS(r0, 0x8008f513, &(0x7f0000000100)) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r4 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r4, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r4}], 0x1, 0x1) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x100010, r4, 0x328f0000) preadv(r0, &(0x7f0000000400)=[{&(0x7f00000001c0)=""/171, 0xab}, {&(0x7f0000000280)=""/37, 0x25}, {&(0x7f00000002c0)=""/40, 0x28}, {&(0x7f0000000300)=""/3, 0x3}, {&(0x7f0000000340)=""/139, 0x8b}], 0x5, 0x7, 0x80000001) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r5 = openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0), 0x40, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) [ 578.560495] audit: type=1804 audit(1625688429.440:288): pid=28193 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/597/cgroup.controllers" dev="sda1" ino=14004 res=1 [ 578.614269] block nbd0: shutting down sockets [ 578.664195] block nbd5: shutting down sockets [ 578.687704] block nbd0: shutting down sockets 20:07:09 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xff01, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:09 executing program 1: getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(0xffffffffffffffff, 0x6, 0x23, &(0x7f0000000080)={&(0x7f00006ac000/0x3000)=nil, 0x3000}, &(0x7f00000000c0)=0x10) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = syz_init_net_socket$nfc_raw(0x27, 0x5, 0x0) splice(r1, &(0x7f0000000100)=0xfe82, r0, &(0x7f0000000140)=0x4, 0x7fff, 0x9) syz_mount_image$sysv(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0xfffffffffffffffc, 0x7, &(0x7f0000002480)=[{&(0x7f0000000200)="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", 0x1000, 0x5976}, {&(0x7f0000001200)="4183da513fb633b63fe6dcc45eb3ed360041caa6661c3c2b27c01d770848d28b14f6b5f93dcf57d488208f36c3d4bdad53a9b824cc12a75dfdaaf1378c205332367dd20cd3f092e9ec407e4df731f6458f35095e1742629514809b9b3ffa7a5e8498798a13226d80f33ca8bba3223a4acd4244664c4164f062a73c029c1b7d156996b96d0e19c732e44197b3f7d6237fcb510c08f93b0c58191f1fbf34212898ecd40a44b6543b108d3d533a271d91cc494e3b9fec28dcf77045a08f2eb127a6b305ceeaac67995109da84ca0543865ba5cba078ef7aa4", 0xd7, 0x1}, {&(0x7f0000001300)="e355dec82852c20adb4cfcef1ff458b0014b5c873150cabe105d7401e77fbb431a60cb16e8b5f547788bbd2c76afc715a3648a4a304d1bb04b293a5b35f6ef8f262b0a381b67229566c6619281e6e20c350723c518ca15436ff979b78cb1b7ebeed888844c27f81ecccc987d09c761d6431604811629c0b6b61beab1a781853520eab32fa1c28cd09664474d4cc7bc87cef73a110f995ef4d4a2296099176ea504e1842fa4f84a", 0xa7}, {&(0x7f00000013c0)="0bcecff64f0c7f56d73c865bc78c9df0d5d2c24baed839536531", 0x1a, 0x8000}, {&(0x7f0000001400)="497856c6b3a40f21954bce1acd7ce9cc682b1eee40a7648701d8848704fcf2e07ae5bd130c7a49242c51b46dfff1d97141ae59106b62", 0x36, 0x4}, {&(0x7f0000001440)="968ebfa8f39c9e79913b1c5453ecf8284d1edd3e058603c350563c3180e110", 0x1f, 0x5}, {&(0x7f0000001480)="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", 0x1000, 0x10000}], 0x404, &(0x7f0000002540)=ANY=[@ANYBLOB='/dev/nb\b\x00\x00\x00\x00\x00\x00\x00role=d:{,mask=^MAY_WRITE,fsname=-*)]\']:.{,obj_role=/dev/nbd#\x00,appraise,\x00']) r2 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r2, 0xc0045516, &(0x7f0000002b40)=0x6) poll(&(0x7f00000008c0)=[{r2}], 0x1, 0x1) r3 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) bind(r1, &(0x7f00000025c0)=@l2={0x1f, 0x3, @none, 0x1, 0x2}, 0x80) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r3, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r3}], 0x1, 0x1) poll(&(0x7f00000008c0)=[{}], 0x1, 0x1) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(0xffffffffffffffff, 0xc4c85513, &(0x7f0000002640)={{0x6, 0x4, 0x4, 0xa8, 'syz1\x00', 0xf8}, 0x0, [0x10001, 0x200, 0x7b, 0x3, 0x1000, 0x1, 0x3f, 0x2, 0x0, 0xfffffffffffff0ae, 0x100000001, 0x0, 0x1000, 0x3000000, 0x10000, 0x2, 0xffffffffa1031e05, 0x3, 0x420, 0xff, 0x9, 0x2, 0x3ff, 0x6, 0x80000001, 0x9, 0x9, 0x1, 0x4, 0x1, 0x4, 0x8000, 0x6, 0x5cad, 0xffffffffffffffff, 0x5, 0x80000000, 0x80, 0x7, 0x9, 0x1, 0x1ff, 0x1, 0x0, 0x4, 0x3ff, 0x4, 0xfa4, 0x19e, 0x8000000, 0xffff, 0x1dcbe0000, 0x3, 0x1ff, 0x1, 0x2, 0x4, 0x6, 0x5aa372b4, 0xb22, 0x0, 0xfff, 0x3, 0x3ff, 0x41, 0x199b, 0x2, 0x5, 0x5, 0x49, 0x2, 0xffffffffffffffff, 0x1, 0x8, 0x38, 0x5, 0x9, 0xfff, 0x9, 0x9, 0x9, 0x1f98, 0x7, 0xd5, 0x20, 0xb4, 0x200, 0x45b4, 0xde, 0x200, 0x8, 0x6430bcd5, 0x9, 0x100, 0xfff, 0x8, 0x0, 0x7f, 0x101, 0x30, 0x6, 0xffffffff80000001, 0xaac4, 0xa0, 0x5, 0x1, 0x1, 0x8001, 0x5, 0x4, 0x3, 0x63, 0x87, 0x200, 0xff, 0x7, 0x2d41949f, 0x10000, 0x5, 0xeaf, 0xc2b2, 0x3, 0x1, 0x81, 0x400, 0xff, 0x8]}) r4 = dup(r3) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) 20:07:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x80081270) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 578.721110] block nbd5: shutting down sockets 20:07:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r6 = syz_mount_image$btrfs(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x2, 0x1, &(0x7f0000000140)=[{&(0x7f0000000980)="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", 0x1000, 0x4}], 0x810000, &(0x7f0000000180)={[{@compress_force_algo={'compress-force', 0x3d, 'zstd'}}, {@enospc_debug}, {@compress_algo={'compress', 0x3d, 'no'}}], [{@fowner_eq={'fowner', 0x3d, 0xee01}}, {@seclabel}, {@uid_lt={'uid<', 0xee00}}, {@seclabel}, {@smackfsfloor={'smackfsfloor', 0x3d, '/dev/nbd#\x00'}}]}) r7 = syz_mount_image$vfat(&(0x7f0000000280), &(0x7f00000002c0)='./file0\x00', 0x4, 0x3, &(0x7f00000004c0)=[{&(0x7f0000000300)="f311d106af0b98e006e13d9424f92da07567fd8280e2c3395d6b12bb72f3f1df133e71e357c18e6b8b9fd6bc5d2a53a588d8ed302b0358fd583ca113dcbcfa84f65539a34a77a57a19f5e19fb3bd3a2f346fe986a2e609cb6ba4c68e2c3e6480730f53724d27e35792ccc9f4967a7604775346886e5d5eddcc3dc2b3ebd429d291d3ba6b729a75706869f9009061d9fdef3691dc0d039b37828cd112f3a49fdb36538fea4c73ae177999321bb36eb9e7ceb3ab4d15c0838bf56d69cce8ccc9c3e7fccccd0a89154989b25ea72727b5908fb657f9e4aad895e06c1d222170d4cd1ce288d63c434d", 0xe7, 0xef}, {&(0x7f0000000400)="d5af03707da6", 0x6, 0x10000}, {&(0x7f0000000440)="f87185109f899fcbc66db07cc104deb780ab22f10c2fe89a547379603a603361ef68258ec3287fe86d8b499ca902e504695a6f766f93561f03c122a00bc6ade0f2866b57bb28fdef66fa92c5a1fa24", 0x4f, 0x4}], 0x14000, &(0x7f0000000540)={[{@shortname_winnt}, {@iocharset={'iocharset', 0x3d, 'macromanian'}}, {@shortname_lower}], [{@defcontext={'defcontext', 0x3d, 'system_u'}}, {@permit_directio}, {@smackfstransmute={'smackfstransmute', 0x3d, '/dev/nbd#\x00'}}, {@obj_type={'obj_type', 0x3d, '@'}}, {@appraise}]}) renameat(r6, &(0x7f0000000240)='./file0\x00', r7, &(0x7f0000000600)='./file0\x00') ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:09 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xff0f, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 578.898358] VFS: unable to find oldfs superblock on device loop1 [ 578.905563] audit: type=1804 audit(1625688429.790:289): pid=28201 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/597/cgroup.controllers" dev="sda1" ino=14004 res=1 [ 578.916331] block nbd0: shutting down sockets 20:07:09 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000d00) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x80081272) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 578.991807] block nbd0: shutting down sockets [ 579.017098] block nbd5: shutting down sockets [ 579.061503] block nbd0: shutting down sockets [ 579.122054] block nbd0: shutting down sockets [ 579.135865] block nbd5: shutting down sockets [ 579.152875] block nbd5: Could not allocate knbd recv work queue. [ 579.159236] audit: type=1804 audit(1625688430.040:290): pid=28261 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/598/cgroup.controllers" dev="sda1" ino=14260 res=1 [ 579.307768] block nbd3: Receive control failed (result -32) [ 579.314566] block nbd3: shutting down sockets 20:07:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x208000) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:10 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xffe0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7fffffff) getsockopt(r2, 0xffff645b, 0x88ec, &(0x7f00000000c0)=""/19, &(0x7f0000000100)=0x13) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r3, &(0x7f00000006c0)=[{&(0x7f0000000180)=""/249, 0xf9}, {&(0x7f0000000280)=""/111, 0x6f}, {&(0x7f0000000300)=""/67, 0x43}, {&(0x7f0000000380)=""/129, 0x81}, {&(0x7f0000000440)=""/200, 0xc8}, {&(0x7f0000000540)=""/245, 0xf5}, {&(0x7f0000000640)=""/49, 0x31}, {&(0x7f0000000680)=""/36, 0x24}], 0x8, 0x100, 0x8001) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) inotify_add_watch(r5, &(0x7f0000000140)='./file0\x00', 0x300) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:10 executing program 1: socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(arc4)\x00'}, 0x58) r2 = accept4(r1, 0x0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000c18000)="ad", 0x1) sendto$unix(r2, &(0x7f0000000140), 0x14ded905162a6a4b, 0x0, 0x0, 0x429) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) recvmsg$kcm(r2, &(0x7f0000000b40)={0x0, 0x0, &(0x7f0000000980)=[{&(0x7f00000003c0)=""/183, 0xb7}, {&(0x7f0000000480)=""/155, 0x9b}, {&(0x7f0000000540)=""/196, 0xc4}, {&(0x7f0000000700)=""/234, 0xea}], 0x4}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) recvmsg$kcm(r3, &(0x7f0000000640)={&(0x7f0000000100)=@sco={0x1f, @fixed}, 0x80, &(0x7f00000002c0)=[{&(0x7f0000000b80)=""/4096, 0x1000}, {&(0x7f00000001c0)=""/218, 0xda}], 0x2, &(0x7f0000000300)=""/136, 0x88}, 0x2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0x125e) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) getsockopt$TIPC_NODE_RECVQ_DEPTH(r0, 0x10f, 0x83, &(0x7f0000000680), &(0x7f00000006c0)=0x4) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) [ 579.462991] block nbd0: shutting down sockets [ 579.492695] block nbd3: shutting down sockets [ 579.497418] audit: type=1804 audit(1625688430.380:291): pid=28270 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/598/cgroup.controllers" dev="sda1" ino=14260 res=1 [ 579.527716] block nbd5: shutting down sockets 20:07:10 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000e00) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:10 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x20000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 579.542593] block nbd0: shutting down sockets 20:07:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 579.583056] block nbd5: shutting down sockets 20:07:10 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200001) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) ioctl$BLKPG(r1, 0x1269, &(0x7f0000000140)={0x5, 0x100, 0x64, &(0x7f00000000c0)="16af7834cac360abc5ef70531ab9ec1ffc2afd5d1cef25734ae8e8addd859fd14812243800789143d4425bda5c24e978a4324da001178d6acd0d14045200a57cde799c14403e4ce1f1f3837449a29c5aee93dc63c48861971e0023a3fe5fc9357dab5858"}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r5 = syz_mount_image$tmpfs(&(0x7f0000000180), &(0x7f00000001c0)='./file0\x00', 0xbf, 0x3, &(0x7f00000002c0)=[{&(0x7f0000000980)="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", 0x1000, 0x7}, {&(0x7f0000000200)="beeb2dd0dcd25367442eeb2e74fba74ed9616369f775d27a673f7a3f427a4af6a8", 0x21, 0x800}, {&(0x7f0000000240)="a656016d41d2ebddffed874bc099651f57d28eba3e2f098758c42f02314c175ae10d7561d01c1608e23338bec27e59e78e587bd52b39542399d99f795828d56cdb82646ba6116ee3dd1f68f551518acfb081d128d7b8d8e681b331f8febbb74b4f47651144a2e199eacc9cbece4a7469cd678c047d", 0x75, 0x3}], 0x204000, &(0x7f0000000340)={[{@huge_advise}], [{@smackfsdef={'smackfsdef', 0x3d, '^%)\\#$\xc6'}}, {@permit_directio}, {@appraise_type}, {@obj_type={'obj_type', 0x3d, '/dev/nbd#\x00'}}, {@fsname={'fsname', 0x3d, '/dev/nbd#\x00'}}, {@defcontext={'defcontext', 0x3d, 'unconfined_u'}}]}) openat(r5, &(0x7f0000000400)='./file0\x00', 0x0, 0x71) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) setsockopt$sock_attach_bpf(r2, 0x1, 0x32, &(0x7f00000000c0), 0x4) [ 579.672361] block nbd0: shutting down sockets [ 579.713759] audit: type=1804 audit(1625688430.600:292): pid=28304 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/599/cgroup.controllers" dev="sda1" ino=14100 res=1 [ 579.740101] block nbd0: shutting down sockets 20:07:10 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x23c43, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0101282) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 579.782318] tmpfs: Bad mount option smackfsdef [ 579.849052] block nbd0: shutting down sockets [ 579.879124] block nbd5: shutting down sockets [ 579.902722] block nbd0: shutting down sockets 20:07:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendfile(r0, r2, &(0x7f0000000100)=0x400, 0xfffffffffffffffe) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 579.937043] block nbd5: shutting down sockets 20:07:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0189436) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:10 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x23c44, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 580.072487] block nbd0: shutting down sockets [ 580.135218] block nbd5: shutting down sockets [ 580.144617] block nbd0: shutting down sockets 20:07:11 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100000f00) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 580.208541] block nbd5: shutting down sockets 20:07:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc020660b) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x6c0000) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x4) r5 = creat(&(0x7f00000000c0)='./file0\x00', 0x20) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x400000) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r5) 20:07:11 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x23c45, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/exe\x00', 0x2000, 0x0) openat$ptp0(0xffffffffffffff9c, &(0x7f0000000000), 0x101002, 0x0) r2 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0), 0x802, 0x0) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x12, r2, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DO_IT(r0, 0x125e) [ 580.369992] audit: type=1804 audit(1625688431.250:293): pid=28368 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/600/cgroup.controllers" dev="sda1" ino=13988 res=1 [ 580.453349] block nbd5: shutting down sockets [ 580.465067] block nbd0: shutting down sockets [ 580.512439] block nbd0: shutting down sockets [ 580.528747] block nbd3: Receive control failed (result -32) [ 580.533041] block nbd5: shutting down sockets [ 580.561887] block nbd3: Device being setup by another task [ 580.578637] tmpfs: Bad mount option smackfsdef [ 580.646299] block nbd3: shutting down sockets 20:07:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x2bf241) ioctl$NBD_DO_IT(r0, 0x125e) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) 20:07:11 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x23c46, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0481273) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:11 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x494240) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$sock_SIOCADDRT(r2, 0x890b, &(0x7f0000000100)={0x0, @vsock={0x28, 0x0, 0x2711}, @nfc={0x27, 0x0, 0x1, 0x7}, @ethernet={0x306, @broadcast}, 0x1, 0x0, 0x0, 0x0, 0x20, &(0x7f00000000c0)='veth1\x00', 0x81, 0x7fffffff, 0x1}) 20:07:11 executing program 1: r0 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r0, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r0}], 0x1, 0x1) ioctl$EXT4_IOC_MOVE_EXT(r0, 0xc028660f, &(0x7f0000000000)={0x0, 0xffffffffffffffff, 0x3ff, 0x1000, 0x7, 0x9}) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x10583) ioctl$NBD_DO_IT(r1, 0x125e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 580.778608] block nbd0: shutting down sockets 20:07:11 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100001100) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:11 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x23c47, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x200000) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x1) r4 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r4, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r4, 0x4}], 0x1, 0x1) write$binfmt_elf32(r3, &(0x7f0000000100)={{0x7f, 0x45, 0x4c, 0x46, 0xb2, 0x8, 0x81, 0x69, 0x4, 0x2, 0x3, 0x0, 0x8a, 0x38, 0x1a6, 0x0, 0x401, 0x20, 0x2, 0x6, 0x6, 0xc1b5}, [{0x1, 0xfffffc00, 0x6, 0x747, 0x40, 0x401, 0x7ff, 0x1}, {0x4, 0x0, 0xdb1b, 0x2d1, 0xfffffffa, 0x7, 0x0, 0x40}], "b086afb7c5cae525df48ae070633bd701af8ce2a2b531eb963311da99dc6ab53fa5b61443e077e4e5fe025e6283d0a0cbe5f3d3802af9e20e7a7704b26c2010b943a5b6780e4203e3ab15f726adb4ca1b7fdd00b67fc6257330979", ['\x00', '\x00']}, 0x2d3) dup3(r1, r4, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) [ 580.838561] block nbd0: shutting down sockets [ 580.846392] block nbd5: shutting down sockets 20:07:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) [ 580.915701] block nbd5: shutting down sockets 20:07:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x2c, r5, 0x800, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20018055}, 0x400c010) 20:07:11 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x23c48, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:11 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r0, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) openat$cgroup_ro(r4, &(0x7f00000000c0)='net_prio.prioidx\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 581.016115] block nbd0: shutting down sockets 20:07:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x401a00) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:12 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100001800) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 581.137676] block nbd5: shutting down sockets [ 581.207457] block nbd5: shutting down sockets [ 581.222344] block nbd0: shutting down sockets [ 581.290216] block nbd0: Could not allocate knbd recv work queue. [ 581.301416] block nbd0: Could not allocate knbd recv work queue. [ 581.309557] block nbd0: shutting down sockets 20:07:12 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x88801, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x440000) ioctl$NBD_DO_IT(r0, 0x125e) preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000000040)=""/114, 0x72}], 0x1, 0x80, 0x311c) 20:07:12 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x23c49, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x54580) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) pipe2(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0xab03) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) sched_setattr(0x0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) fstat(r3, &(0x7f00000086c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fstat(r3, &(0x7f0000008740)={0x0, 0x0, 0x0, 0x0, 0x0}) r8 = getegid() sendmmsg$unix(0xffffffffffffffff, &(0x7f00000088c0)=[{&(0x7f00000000c0)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f00000004c0)=[{&(0x7f0000000140)="c417c656b80b67b22884711aa55ed0748f268b939ffe5015182b37da2c27ec8904da0e103d258e1f26f83b54aa848dd7267fcc59c0a1bb4de20abb33f9b2d9d6557371b97d8199468dfd5f222cdc3c1cf16e59c04c8969aa84e59fda75b8f27718a2343a1cb6c830bf0317380c088a92bbd0d2fe6323818ec6a9ac9a4a3931ecc71c07248d443fe0265b67636b5a4d078f485f0ee1d62b6452b9fae21ef51e99b4390f47c2bc3131eda4ab4149ec244d1cdf51bf5e0444cd07a92aacc52f3e6cbf94d227934f0b9a63e946c6c9c608f4b00334506c9382dd", 0xd8}, {&(0x7f0000000240)="b3f125bd4bae56c4fcf6139c903211b87f6e2ffe14b2c6fa106e789924fe31bf3150bd0fd971071c5435064f680ea6a8a7ac70e8461c8e2bd08827bda81226aa874ac6d04033d8771bc2ac9dcd61c1d047ce1bc833fbff07821a5b1dbdcb4125d8c1b0cda174b63dc43789ddabc826185b19279d15b29379406040f2b7bf651faaac53c9c455873983354edb89079b12b34ab04079e9d81c078075a540ec86b52c97d78f96fcd4e97aaec55ed4301c432541dff2cb4d586b6a6cc5ca975ffd3191f02603d6fb9a", 0xc7}, {&(0x7f0000000980)="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0x1000}, {&(0x7f0000000340)="7c8e48f4f16199c4a91225b4a8e130a240c44f3e1d13d6f503d3aea9ed884f9fff11c5c94f8427685b6fd5ad07a1d4d5516617c2b463a35f44a079ac6cd41028a4032a269a211216d22dbd6ef7fa306fec18f149627ab8320160094e4e39d56e03908b81304c9c584c0f2828985deb", 0x6f}, {&(0x7f00000003c0)="358383f7903c3ce2b8e4596d47d520029f5a2decbe340850ce217d93753d2a74efb0efe2082577d1e4c1509a8912d218883382531d612b066ab5e05d7042b628365dc11d2a0bcf77bf971d8ddc06181ae9f893b50509caa570320f23438d8d633d0ad0282886d1bcee1ed82711f2a4682957867888aa99989412a77eb97097a5afa0202a2d34907736782c426894673c1a4c11e3753721c994a47222585808d47b03dc89dc4c2d3bf4a52c28a8974cc3c2f217ab6a9fad40bc70a2fba12902d1285a0c1269d556ef941bbf39b86b0fe4f4e886ea0d33cbb89b457c5fdcadd62f853191fd0c2d2e89054eba7a", 0xec}], 0x5, &(0x7f0000001ac0)=ANY=[@ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0xee00, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0xee01, @ANYBLOB="0000000038000000000000000100000001000000", @ANYRES32, @ANYRES32=r4, @ANYRES32=r1, @ANYRES32, @ANYRES32=r0, @ANYRES32, @ANYRES32=r2, @ANYRES32, @ANYRES32, @ANYRES32, @ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32, @ANYRES32=r7, @ANYRES32=r6, @ANYBLOB="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", @ANYRES32, @ANYRES32, @ANYRES32=r3, @ANYRES32=r3, @ANYRES32, @ANYRES32=r3, @ANYRES32, @ANYRES32=r5, @ANYBLOB="2c000000000000000100000001000000", @ANYRES32=r0, @ANYRES32, @ANYRES32=r5, @ANYRES32=r0, @ANYRES32, @ANYRES32, @ANYRES32=r2, @ANYBLOB='\x00\x00\x00\x00'], 0x158}, {&(0x7f00000008c0)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000004dc0)=[{&(0x7f0000003b40)="55d8bb04ef3a584195264668a13296b18c339900728c5fbe96fd042d519af60c5516096b2bc966f6e284b319a44381fb0a88922aa50394ae116cc640b59f5ea6b6179dee6d9890d25cf45f855cf6869bd6995a5e229dcee2a0df54b2cd8daa7053fa2a4ced84cb4ddfcbf424c6e6d4720e6c2f5e5619eaa75cf8842a23b446de899bfe75af95dda4c67c39b01cd8820fb5df0a5bb5ef9a05ef9b0f423647267274f8e39bf2e97d", 0xa7}, {&(0x7f0000003c00)="9886d541395ffc08c378752193c13a95369601e6d00fd402361431e7e4cd29650bc1c78ab76701ade4d1cf22", 0x2c}, 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0x1000}, {&(0x7f0000007500)="ca29d2a098632aebaca65b2a1a9a4222a8ef752d0cf1cf0ec4c20b3c86393af73c57b5e8471af8cba289e8894bc9", 0x2e}, {&(0x7f0000007540)="b2df1063008e5a887c55e73f04ca9fcdb259fed18c9bf048c8efda604be4642bfeaabe80cd7735adb2e9992535675e37470515bb5d16932e3b7b01939915f5eb5d32d39a2d3a32bfe3cfa4434613c83991d185683bf1ca8829ebc87f0bfc911f457f4d617522174032894a67dddd6673f310b6b6c87c5bb68f0f4e47f8084511a5daf543feb74dfa90a9df9ad926ce52fce26d05f9ba5170c76763b6955b6923a8a285c79df4b9b40f062ce29ee385707e3f8ee303298c5f4bb18e471bbd4a5a01132b23f4bcd508e7c1bee17b85a003ac5738d1eea82421", 0xd8}, {&(0x7f0000007640)="3969619aa75e0c3079ae4b689878748ba08a", 0x12}, {&(0x7f0000007680)="7eb77de4fa63c61f17d27f926276ac438e9cdbae0000662ad2a1aaf1f44339bf5075958b5ddc3362967e12b71672916876004527ff95f80158ca920a659b48242655e82d12363cc9", 0x48}, {&(0x7f0000007700)="4f29ed8af0011b6744412b79411a5d3386cf0c686d2a66dcecb8e64ac05e9ab5bbca960b1a70fce3559526feb65d8c140927fdee992beb4fd17a970c6dcd3986d07e2a57f286d5473318545016cf4cc241915a62e2cec8e2a7b7de15f586c4d357813b6d11b1594a21e253e3e42ed08d66ddfb70490f8bf95aeefac895942f5330cf59f495150deba89d1ea9f2619615556c29d41c954927c97d5b21fa4bd613a4234d8af29f117a5656e5cc055cf53760", 0xb1}, {&(0x7f00000077c0)="8838dfc9e7c08fa3b1baa3ddf712cc4af7426b278a85d3203b046e92ce586b06089e779d6cf4e61d48bb6c108b4adeeb94a7a94ece1ceaf6f0d95e527f84453cbb3a1799a951ea419e5c83e42d4c874338995362d9fd21fbffd4e4bfea8a2029e2a5e963823c0cce032aa3a9fcdacae51a4d3bc9dd7a126fc616", 0x7a}], 0x8, &(0x7f00000079c0)=ANY=[@ANYBLOB="300000000000ff030000000000000000", @ANYRES32, @ANYRES32, @ANYRES32=r2, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32=r0, @ANYRES32=r1], 0x30, 0x41}, {&(0x7f0000007a00)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000007b80)=[{&(0x7f0000007a80)="3a739841dec244b160723a591035529adc9700c877cb2ad7c32c63143c5ea8f6746774bde7fc73f26862fc1a6482131787abd2750abfb464209df5b5f292507069af8ad56643a4073cad68692d4584bb87011e2e1dc5b70e5d19fdcc281dad6718f73ec4288ae24a3316a6ea7128b0f8fa4af8b6b8714b6d31e863dffdd8ec321883fbcd6e6c8bbe5f90ef449284db98", 0x90}, {&(0x7f0000007b40)="972415b92eee4730d787bf4cf37a4b71f6c770f535aa19237bd5ec7caf9f1bb5078ee922", 0x24}], 0x2, &(0x7f0000007d40)=[@rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, r4, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee00}}}, @rights={{0x20, 0x1, 0x1, [r4, r1, r0, r5]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee01}}}, @rights={{0x30, 0x1, 0x1, [r5, r3, r1, 0xffffffffffffffff, 0xffffffffffffffff, r5, r3, r5]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, r5, 0xffffffffffffffff]}}], 0xf0, 0x84}, {&(0x7f0000007e40)=@abs={0x1, 0x0, 0x4e21}, 0x6e, &(0x7f0000007f40)=[{&(0x7f0000007ec0)="8a3be4848be4bba4335ccc1d5c4b92ef5476", 0x12}, {&(0x7f0000007f00)="c172b10b8a1d25359914", 0xa}], 0x2, &(0x7f0000001980)=ANY=[@ANYBLOB="1c000000", @ANYRES32, @ANYRES32=0xee01, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000002000000c7024b62b147fc0cb83e19a44c05505b4be3cd0c527ba63ba9bde0e4843d4312e0ffffffff00000000867ccc43061179", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000014000000000000000100000001000000ac906b3040d1a5e4ebfb79934dc44b59e8973f94000f9d0d064dcad9a5d6c518da7cef30b34a35243d8124e7a88100e534be09580d513bcbe9a50b17479afe42a68c33a22f682ea76c4b44e35ed4484663d715c1a680898da8320d63e9cea9b791849c87192b62b0b49f5ccab3ae046571421f8964954eebc223b472b231926b972cb7588b8cbdcfa3b0b6420fe2bc95fe59255da16c921e8e4443", @ANYRES32=r0, @ANYBLOB="0000000020000000000000000100000001000000", @ANYRES32=r7, @ANYRES32, @ANYRES32, @ANYRES32=r2], 0x78, 0x4040811}, {&(0x7f0000008280)=@abs={0x0, 0x0, 0x4e24}, 0x6e, &(0x7f0000008600)=[{&(0x7f0000008300)="ef8a2eaf58bc9fecd06013df70209af42a84e0a555346a5d77d2c80aa7f257cfb3fc27af3893afbe1e751ddf968a8ac5c2ab1e0198915a26f1017eca83aae4718821dba7a7d2c74169e2f2988fd7fd2565aae9789d1d787979c3c3a923a425dd0426e3a9c40edfc8f869e125f86d90c211a8ef8b8f6d5ecd507cedc519140ced6586596a99fb86", 0x87}, {&(0x7f00000083c0)="b90b69b5f5467e4cb5a5be24d3f1d580cb36dca92ea8b952637ee5ac3b8cb03953089052a8def48cc78b9528993ac9d582c472d60d23bfe62946578ee449bc11068ff6e5e7f1ce6609182be7f39399363445735ac72407e587242614b705f29d2ada90b86e78c72b83c62b5ffd534ab58426da", 0x73}, {&(0x7f0000008440)="396089623a20c2e9835faaf80fb164198b01c0ba77af0535094a97c26a60a879c3b6173d2e2e4d096d5c087b46288afe4c392842cb2a72b87904d414989d99ec6e3bd745867c68ce295c47fd0b6cdfde1a65fa100c7dc8760b3011e3fd3991404e2153b3708826f3dee177a34b21be4bdd1a782432410b4cbfbafbc707474ada18c30352d16f2df1e96dd6247c043fbb89fba81ee0748a9a224db43355a8da9793503f254aad8701d325ea57e810160f8883d9768c782bac3a09291939162fd03fc7cfd84b7c68b5f0b181406865c79aa6b40b84a6d681a4a913fa1edf6ac678c1f82c88afdcf6e78109320aa76e94a5a21e30", 0xf3}, {&(0x7f0000008540)="0f5988eaf29c9c7a051e06dfe87da336611bf020677e598c78c4ea9a6fbec8fa27e13242a68472c0b34bf77c20ca9a744b8081100e9b50e5bcfb43cf4683afe1117938f557472a69a30b73bb35acac029094c371d6866a713973abc73074c2b52defcd06dc6cedebf4cf69491453cdab6999d71e108104982dbbc42fc6a8e7dae59ec6a6eb1e96a2f1714804c9b1b7e1ff2ac1dc999151910d0d8637c49be32c951ef3683859cf6176c8dc65a34ff0a7b5f47c15e5430b53", 0xb8}], 0x4, &(0x7f00000087c0)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, 0xee01}}}, @rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, r0, r3, r0, r4, 0xffffffffffffffff]}}, @rights={{0x24, 0x1, 0x1, [r2, 0xffffffffffffffff, r5, 0xffffffffffffffff, r2]}}, @rights={{0x38, 0x1, 0x1, [r2, 0xffffffffffffffff, r1, 0xffffffffffffffff, r1, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r1, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee00, r6}}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, r7, r8}}}], 0xe8, 0x80}], 0x7, 0x1) r9 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r9, 0xab03) ioctl$NBD_DO_IT(r9, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 581.594417] block nbd3: Receive control failed (result -32) [ 581.598568] block nbd3: shutting down sockets [ 581.631798] block nbd3: Device being setup by another task 20:07:12 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100001f00) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='cgroup.stat\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4c8000) 20:07:12 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x7ff00, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 581.808822] block nbd5: shutting down sockets 20:07:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DO_IT(r0, 0x125e) [ 581.834708] block nbd3: shutting down sockets [ 581.883424] block nbd3: shutting down sockets [ 581.892868] block nbd3: Could not allocate knbd recv work queue. [ 581.907366] block nbd5: Receive control failed (result -32) [ 581.908245] block nbd5: shutting down sockets [ 581.938795] block nbd0: shutting down sockets 20:07:12 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:12 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x100000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x240003) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 582.011443] block nbd0: shutting down sockets 20:07:12 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = signalfd(r0, &(0x7f00000000c0)={[0x4]}, 0x8) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:12 executing program 1: r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000), 0x20000, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r2 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r2, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r2}], 0x1, 0x1) preadv(r2, &(0x7f0000001540)=[{&(0x7f00000001c0)=""/63, 0x3f}, {&(0x7f0000000200)=""/131, 0x83}, {&(0x7f00000002c0)=""/83, 0x53}, {&(0x7f0000000340)=""/137, 0x89}, {&(0x7f0000000400)=""/4096, 0x1000}, {&(0x7f0000001400)=""/103, 0x67}, {&(0x7f0000001480)=""/139, 0x8b}], 0x7, 0x3, 0xdd5) sendmsg$AUDIT_LIST_RULES(r1, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x10, 0x3f5, 0x100, 0x70bd2d, 0x25dfdbfe, "", ["", "", "", "", "", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x4010800}, 0x20048880) ioctl$PPPIOCGUNIT(r0, 0x80047456, &(0x7f0000000080)) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x125e) [ 582.120953] Unknown ioctl -2147191722 20:07:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x103103) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'veth1_to_batadv\x00'}) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x104000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 582.147858] Unknown ioctl -2147191722 [ 582.160406] block nbd3: shutting down sockets [ 582.221489] block nbd0: shutting down sockets 20:07:13 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100002000) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) fsetxattr$security_ima(r1, &(0x7f0000000080), &(0x7f00000000c0)=@v1={0x2, "3bb9eccd381cc20b86a66b"}, 0xc, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) [ 582.288262] block nbd0: Receive control failed (result -32) [ 582.288789] block nbd0: shutting down sockets [ 582.295431] block nbd3: shutting down sockets [ 582.306139] block nbd5: shutting down sockets 20:07:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:13 executing program 1: ioctl$SNDRV_TIMER_IOCTL_SELECT(0xffffffffffffffff, 0x40345410, &(0x7f0000000100)={{0x0, 0x2, 0x9, 0x0, 0xa9}}) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x40) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0xc0140) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 582.380560] block nbd5: Receive control failed (result -32) [ 582.381051] block nbd5: shutting down sockets 20:07:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x105400, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 582.475278] block nbd0: shutting down sockets [ 582.531902] block nbd0: shutting down sockets 20:07:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x4180, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x3f) ioctl$NBD_DO_IT(r3, 0xab03) setsockopt$inet6_tcp_TLS_RX(r4, 0x6, 0x2, &(0x7f0000000100)=@gcm_128={{0x304}, "1384d20979c71529", "c2af1031b643aa29a035f0619bbdcb14", "2a0171cb", "251f739928149495"}, 0x28) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 582.588749] block nbd3: shutting down sockets 20:07:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0x125e) [ 582.617562] block nbd5: shutting down sockets 20:07:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x200000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 582.645833] block nbd3: shutting down sockets 20:07:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) openat$bsg(0xffffffffffffff9c, &(0x7f0000000100), 0x177302, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) 20:07:13 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:13 executing program 1: perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0xfffffffffffffff9}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x11, 0x3, 0x0) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) clone(0x1000, &(0x7f00000001c0)="ea8dfd7f55a5464564d3fa2b97450123e3cfb8de18c0d63bcfa24db763ae22", &(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)="78e81693cea3b46b48620772ec1f61c60f22f55648a2897e12a279a830d9adbffbe81ad395eef772441c96d00f807ed3dab97b3e35f1366eff35755b964f596188b9e5c716f888d9d3b56d3620c343a36177d48a4c46d41cbc1fd33e8c04b388a6e14417067719a0e770e1095eb989c6c33fb351a405f7f1") ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r2, 0x40042409, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) clone(0x1000100, &(0x7f0000000300)="963e104bffff783fe0306e92121c3b4347e737b96b623d15e63fc89d8892498e63aecf8484c17b279943a83b66d08df2adcf8cba3d4fe5eb3e0528adcad2f506fc97358c2495b552d7bf3c2b1f17eaf7ab37e50cf9664d7b8b8b3e375c085e4989d4281176b03cc2ed37fa44243714503f59415ee28c2b64d7517ca6df10b4aeedc1ec94ff0cd0239806b2bc", &(0x7f00000003c0), &(0x7f0000000400), &(0x7f0000000440)="4bae51c06d13df5ef105400e5621d6151dd1f2c5a72b832dbb37ab307bdbd693d2cb0629ef167ae02d8c28") sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000700)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x3, {}, [@IFLA_IFNAME={0x14, 0x3, 'veth1_vlan\x00'}, @IFLA_MASTER={0x8, 0xa, r3}]}, 0x3c}, 0x1, 0x0, 0x0, 0x28000000}, 0x0) r4 = fork() perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0x8, 0x1, 0x6, 0xdb, 0x0, 0x80, 0x80000, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x8, 0x2, @perf_bp={&(0x7f0000000040)}, 0x0, 0x0, 0x8, 0x9, 0xcd2, 0x10000, 0x3, 0x0, 0x8, 0x0, 0x10000}, r4, 0xffffffffffffffff, 0xffffffffffffffff, 0x3) r5 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400280) ioctl$NBD_DO_IT(r5, 0x125e) ioctl$BTRFS_IOC_GET_SUPPORTED_FEATURES(r5, 0x80489439, &(0x7f0000000100)) 20:07:13 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100002001) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 582.775607] block nbd5: shutting down sockets [ 582.828878] block nbd0: shutting down sockets 20:07:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x400000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 582.873088] block nbd3: shutting down sockets [ 582.876383] block nbd5: shutting down sockets [ 582.896201] block nbd0: Could not allocate knbd recv work queue. [ 582.904912] block nbd0: shutting down sockets [ 582.926502] team0: Device veth1_vlan is up. Set it down before adding it as a team port [ 582.939073] block nbd3: shutting down sockets 20:07:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) ioctl$BLKREPORTZONE(r4, 0xc0101282, &(0x7f00000000c0)={0x8, 0x7, 0x0, [{0x7, 0x8, 0xf2, 0xea, 0x8c, 0x3f, 0x2}, {0x8001, 0x3, 0x800, 0x5, 0x1f, 0x6, 0x5}, {0x9, 0xcba, 0x0, 0x80, 0x5, 0xb}, {0x1ca, 0x3, 0xd42, 0x3, 0x3f, 0x20, 0x40}, {0x7, 0x200, 0x6, 0x7f, 0x1f, 0x40, 0x4}, {0x6, 0x2, 0x100, 0x5b, 0x2, 0x5f, 0x2d}, {0x9, 0x1000, 0x8, 0x85, 0x5a, 0x1, 0x73}]}) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:13 executing program 3: r0 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) getsockopt$IP6T_SO_GET_REVISION_TARGET(r0, 0x29, 0x45, &(0x7f0000000340)={'IDLETIMER\x00'}, &(0x7f0000000380)=0x1e) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0xff8c) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = openat$full(0xffffffffffffff9c, &(0x7f00000000c0), 0x410001, 0x0) ioctl$BTRFS_IOC_INO_PATHS(r4, 0xc0389423, &(0x7f0000000180)={0xd9a0, 0x50, [0x1, 0x5, 0x10001, 0x1], &(0x7f0000000100)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) r5 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000440), 0x80400, 0x0) write$UHID_INPUT(r5, &(0x7f000001b9c0)={0x8, {"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", 0x1000}}, 0x1006) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000300)=[{&(0x7f00000029c0)=""/102392, 0x18ff8}, {&(0x7f0000001980)=""/4097, 0x1001}, {&(0x7f0000000480)=""/192, 0xc0}, {&(0x7f00000002c0)=""/11, 0xb}], 0x4, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r4) r7 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000003c0), 0x701300, 0x0) ioctl$BLKZEROOUT(r7, 0x127f, &(0x7f0000000400)={0xab8f, 0x9}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r8 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r8, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 20:07:13 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 583.014526] kauditd_printk_skb: 10 callbacks suppressed [ 583.014542] audit: type=1804 audit(1625688433.900:304): pid=28668 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/605/cgroup.controllers" dev="sda1" ino=14211 res=1 20:07:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x401000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 583.255680] block nbd5: shutting down sockets [ 583.267958] block nbd0: shutting down sockets 20:07:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x4af000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 583.332114] block nbd3: shutting down sockets [ 583.355989] block nbd5: Could not allocate knbd recv work queue. [ 583.364776] block nbd5: shutting down sockets [ 583.365144] block nbd0: shutting down sockets 20:07:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x4) 20:07:14 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, 0xffffffffffffffff) r3 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r5 = openat$vcs(0xffffffffffffff9c, &(0x7f00000001c0), 0x141000, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$F2FS_IOC_GARBAGE_COLLECT(r3, 0x4004f506, &(0x7f0000000140)=0x1) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x400002, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) r7 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$BTRFS_IOC_SET_FEATURES(r7, 0x40309439, &(0x7f0000000180)={0x0, 0x3, 0x12}) 20:07:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:14 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100002800) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x4fd000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x9a800) ioctl$NBD_DO_IT(r0, 0x125e) [ 583.585373] block nbd5: shutting down sockets [ 583.647462] audit: type=1804 audit(1625688434.530:305): pid=28715 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/606/cgroup.controllers" dev="sda1" ino=13957 res=1 [ 583.679012] block nbd0: shutting down sockets [ 583.712040] block nbd5: shutting down sockets 20:07:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x600000, 0x111) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x10000, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) connect$pppl2tp(r3, &(0x7f00000000c0)=@pppol2tpv3in6={0x18, 0x1, {0x0, r4, 0x2, 0x4, 0x3, 0x1, {0xa, 0x4e24, 0x4, @mcast2}}}, 0x3a) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 583.768448] block nbd0: Could not allocate knbd recv work queue. [ 583.781213] block nbd0: shutting down sockets 20:07:14 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = socket$pppoe(0x18, 0x1, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x4, 0x1010, r4, 0xdc799000) [ 583.923233] block nbd5: shutting down sockets [ 583.985976] block nbd0: shutting down sockets [ 584.023721] block nbd5: Receive control failed (result -32) [ 584.024315] block nbd5: shutting down sockets [ 584.042767] block nbd0: shutting down sockets [ 613.891959] block nbd3: Connection timed out [ 613.896876] print_req_error: 314 callbacks suppressed [ 613.896888] print_req_error: I/O error, dev nbd3, sector 0 [ 613.908062] buffer_io_error: 313 callbacks suppressed [ 613.908069] Buffer I/O error on dev nbd3, logical block 0, async page read [ 613.920778] block nbd3: Connection timed out [ 613.925327] print_req_error: I/O error, dev nbd3, sector 2 [ 613.930990] Buffer I/O error on dev nbd3, logical block 1, async page read [ 613.938233] block nbd3: Connection timed out [ 613.942796] print_req_error: I/O error, dev nbd3, sector 4 [ 613.948437] Buffer I/O error on dev nbd3, logical block 2, async page read [ 613.956425] block nbd3: Connection timed out [ 613.960886] print_req_error: I/O error, dev nbd3, sector 6 [ 613.966654] Buffer I/O error on dev nbd3, logical block 3, async page read [ 613.975279] print_req_error: I/O error, dev nbd3, sector 0 [ 613.981154] Buffer I/O error on dev nbd3, logical block 0, async page read [ 613.988336] Buffer I/O error on dev nbd3, logical block 1, async page read [ 613.995505] Buffer I/O error on dev nbd3, logical block 2, async page read [ 614.003867] Buffer I/O error on dev nbd3, logical block 3, async page read [ 614.012762] print_req_error: I/O error, dev nbd3, sector 0 [ 614.018483] Buffer I/O error on dev nbd3, logical block 0, async page read [ 614.026340] print_req_error: I/O error, dev nbd3, sector 2 [ 614.032201] Buffer I/O error on dev nbd3, logical block 1, async page read 20:07:44 executing program 1: setreuid(0x0, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, 0x0) setregid(0x0, r1) r2 = getegid() ioctl$NS_GET_OWNER_UID(0xffffffffffffffff, 0xb704, &(0x7f0000000380)=0x0) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f00000004c0)={0x3c8, 0x0, 0x0, [{{0x0, 0x2, 0x1, 0x7fff, 0x6f1, 0x6, {0x5, 0x57, 0x1, 0x8, 0xcf8f, 0x9b, 0x4, 0x2, 0xfffffffc, 0xc000, 0x8, 0x0, 0x0, 0x800, 0x6}}, {0x1, 0x800, 0x1, 0x9, '\x00'}}, {{0x0, 0x2, 0xfffffffffffffffe, 0x0, 0x5, 0x7, {0x1, 0x5, 0x0, 0xb3, 0x400, 0x4, 0x6, 0x0, 0x1, 0x1000, 0x6, 0x0, 0xee01, 0xd6, 0x9}}, {0x4, 0x89b, 0x5, 0x81, 'vfat\x00'}}, {{0x2, 0x1, 0xfffffffffffffff7, 0x0, 0x8000, 0x8, {0x6, 0x8001, 0x100, 0x2, 0xfffffffffffffffe, 0x7, 0x20, 0x0, 0x2, 0x4000, 0x401, 0x0, 0xee01, 0x4, 0x6}}, {0x5, 0x7fffffff, 0x2, 0x3, '#@'}}, {{0x1, 0x3, 0x4, 0x8, 0x7774, 0x8, {0x2, 0x7f, 0x1, 0x9, 0x9, 0x7, 0x3, 0x3, 0x1, 0x2000, 0x2, 0x0, r1, 0x8, 0x4}}, {0x3, 0x2, 0x1, 0xff, '&'}}, {{0x5, 0x0, 0x7, 0x6, 0x101, 0x1f, {0x4, 0xfffffffffffeffff, 0x4, 0x7, 0x7e, 0x9, 0x3, 0x5, 0x3, 0xc000, 0x4, 0xee00, r2, 0x7, 0xfd}}, {0x5, 0x1, 0x0, 0xf1}}, {{0x6, 0x0, 0x0, 0x3, 0x6, 0x0, {0x2, 0x3, 0x7fffffff, 0x7, 0x81, 0x5, 0x0, 0x3, 0x12, 0xc000, 0x7, r3, 0xffffffffffffffff, 0x1000, 0xffffc000}}, {0x2, 0x100000000, 0x3, 0x5, '.@%'}}]}, 0x3c8) stat(&(0x7f0000005000)='./file0\x00', &(0x7f0000005040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) read$FUSE(0xffffffffffffffff, &(0x7f00000050c0)={0x2020, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x2020) r6 = syz_mount_image$gfs2meta(&(0x7f0000007100), &(0x7f0000007140)='./file0\x00', 0xd9, 0x3, &(0x7f0000007340)=[{&(0x7f0000007180)="e4a0a012b97ce39e644b5a7c529076adc8e64664e15b5912fd4691c9b98dac2d6d1e40d1c7d9565f08642b12b935570019634f45313b26c2f107856014dd308872ccf891921f01648b6d", 0x4a, 0x800}, {&(0x7f0000007200)="8d3a9a6f52b4c216af76cf07b9d6f13d8ff40c7038c8432b9f695164bbb67b504296c06116d09f30b9c591ec52a353a966bd6fea99bda14900f303e3f49db0ce661322a3077314a8cfe46b370581373185ac461b7d6c88eef4c0b394c5fd42ab590c45a4863017dcee34c2d4bbf81434176d617e078aea93b1f0c76be55081655a0af88a9dea30dec7ad80dd1170", 0x8e, 0x7}, {&(0x7f00000072c0)="71dc31e56a3c242f67de79356bef65783a4c41bfac47e2f6d6770b2c3620b4933b353d1a7fb0e7112210208bf27a6ab1ab879fde02435a5a224a0b3acc189169f72f3b6977ab83", 0x47, 0x1}], 0x88, &(0x7f00000073c0)={[{}], [{@dont_hash}, {@smackfsfloor={'smackfsfloor', 0x3d, '/dev/nbd#\x00'}}, {@hash}, {@uid_eq={'uid', 0x3d, 0xee00}}, {@hash}, {@fsmagic={'fsmagic', 0x3d, 0x8c1}}]}) r7 = openat$cgroup_type(0xffffffffffffffff, &(0x7f0000007440), 0x2, 0x0) r8 = openat$bsg(0xffffffffffffff9c, &(0x7f0000007480), 0x400400, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f00000074c0)=0x0) r10 = socket$unix(0x1, 0x1, 0x0) getsockopt$sock_cred(r10, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0x0, r11, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000007600)=[{&(0x7f0000000080)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f0000000580)=[{&(0x7f0000000000)="09b6c47f6b4d985bb4", 0x9}, {&(0x7f0000000100)="402e26be96f1915257169c2f18a65539d68946430069be70cbbc6301d31abcb20f88e27849a0", 0x26}, {&(0x7f0000000140)="48acadab2130454fae5d601b5661227211ce2be56e2d5cd3837ad7c44733ade3d8bb91aa3ca85710b6ceea355b79f140e0fd29b6a2bddde0724ed771c212d848a1aec67badf07ee94b39da4de7ca0eb6bfc62a41c1a21a50486bed71e700b66243767cfeba628ba9", 0x68}, {&(0x7f00000001c0)="514a827b448cbe8693cbe84a824f218cbb5009d56d152836a9e48395c921ad5a387036d27ae561b44146c9ee283b3a808458ac48a686002291a2d6521d1f216e57b43b1aa94e3ff3ad617cf3c85b8daeecdf54ce5041fd6e645855eec198a772b5b1f893e37ab4f1579ddf54b2ac401320102ddd1f52be7964128c72ec036eda103af788435acbdf8481dfd928c7e5de9f56ab22919f05ef97122a08b20f0022597a0f34cb8483f0f59259eab0b2ec73475b1effaa045a5d8f943db1e094fea27108ef6e13", 0xc5}, {&(0x7f00000002c0)="3f79c96294609cb9293a8427bc12d604254ed749027628a0ae30fe3ef85f8ba672b393fd784f99b565d825026bbe1d10b416e9b39001842ddba8e145db9a57c6bb58fbc16e364a4e9da3c6295a55406c7455b77c498e1f4524c102c63c1d719c62f493d45537348db92a7576e0d00637ca5e17bcb3cf67bdae408f57792161d7b5646ddc7b0c359c4e8441632a0dafc394b26b522c3d8310140de122947f78f5d2985b6879267bcf06ffadcc531f", 0xae}, {&(0x7f0000000380)="980620a6175e03d171436ec1ac1451d0385cd0dae01ced23f4754592c1ad950c1de7b2adf1ecae3be6cd196a91ce3d8242306138513a65d41841cdcae99e95cb95bc5f497fbcf6290bda8a4d425f0f2f78ba7ee007529493025a4685b0e47f5595b29febdaa49d23e8aa50e41f13a91ee201e7d2e5ee714151e96786a50d36c7a3f8e3abd6b0b50bc7fa971339ea027ee172bd370ad949740e55c51e972c020264af0c783c2180aa1694060a587ef60f313298ef98669108379a4b67ebe4ec4a52737c208f11817483382c35a7fb48f96c7968051fbcd8a5aff7f29aef9e609118", 0xe1}, {&(0x7f0000000480)="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", 0xfb}], 0x7, &(0x7f0000000980)=[@cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee01}}}], 0x110, 0x1}, {&(0x7f0000000ac0)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000c00)=[{&(0x7f0000000b40)="7c2ea447fffd4ce728128d70269595766eb7a80e4a225b51b0864f5357ea4d1f75cdb6a220798718ded99a8a03153f617b5d9ab05747f2b4078f105ac97d9389350ae93f57a3d5ec66b3349d3383664ee1f85f92641e02b693558e898875f8e53a31b7f9e219bac2b0439d1dbe238c7a9af4b73d343ba3ede10aeb9ee1c036d513976ec8f2d6784c1cc84d4b72515a6f9c2982930e137b81c81d249e9799324d86252f7eae817bfee35f4cecdfbd8f545d59b2aaa866b3484ebb87c746b10c", 0xbf}], 0x1, &(0x7f0000000f40)=[@cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, 0xffffffffffffffff}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee00}}}], 0xb8, 0x800}, {&(0x7f0000001000)=@abs={0x0, 0x0, 0x4e22}, 0x6e, &(0x7f0000002100)=[{&(0x7f0000001080)="a4de4a6a", 0x4}, {&(0x7f00000010c0)="7c7e9bdf54a6ba93bfd7db70b81c0417e624f17d9f5e77295b3c79c86f49e7d7db100d9a3dd8d082052c3e236fae1ea3889bf09f71", 0x35}, {&(0x7f0000001100)="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0x1000}], 0x3, 0x0, 0x0, 0x804}, {&(0x7f0000002140)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f00000022c0)=[{&(0x7f00000021c0)="5e2c6c11db54f074ef4f7d6ebb157b0ce0bea4e6831ff6f09292de7210c4638b2154130455e1795b21a1f8b073aaf12304bb9c4d511be5a584db0493f8108e4bbc4b9bd6e176d23a539a8787f112fdf43f6484f3b19e1fc4934338480a9d6a4d2a30df2f69b81a489fda8568e8ec7b142e097f1ef8c11591aa2703431ad3b9a5e61f1f918e34b9f951866c5e6ff0c387b380a6fbd478c89af521035f4aed5a629c8c79594090fda90d192328a7387b50be846dde71c01b741684bdf194b795325580b228773f9af19d7c892068431216e0b4f2679452d0927433c8c726d4d90689aa4b2cdfd96b42819cc0ee6545c9a6234d669ebb7866de05e4a1a63ec380", 0xff}], 0x1, &(0x7f0000002380)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0xee00}}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee00}}}, @cred={{0x1c}}], 0xe8}, {&(0x7f0000002480)=@abs={0x0, 0x0, 0x4e22}, 0x6e, &(0x7f0000004680)=[{&(0x7f0000002500)="d7a7266e23e5a5f092ecd6ffc3794d2868e2760bda793dfab7c1846e6302829ebd391fa22921db684c934ded7b1c3896b3d9187a625392d278313acd2f8240e133273482ab0a8545d558e9e17e82affbe4d1cac8f77d44883a9c452a987e", 0x5e}, {&(0x7f0000002580)="ca984ba7091cf4ce0eb5d175fab0deeb6e146a57f8473ac4df03d77c9441cbf2f44c51fea78f2d8f9a34143518df1fcd7fe2ae62defa844906f5efb23e9cf56cb5d315e510f1f16d7e3650454a6ed97e68d5df27405eadfb1181edce677d6a67d01689fb350de2d8e050e8ea87b63947a921c32795411656a91a34777589e4ee2124081775851f2e5fab15c3402d3c4dd890e3e051f32fe53433e870197731221c74c24d1e8674451775c6223c6e3b8b017fc5de802c275a5113e97d89904579f8bcd7d826c26d4faaed7cbde9878ebf8897", 0xd2}, 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0x1000}], 0x4, &(0x7f00000046c0), 0x0, 0x4}, {&(0x7f0000004700)=@abs={0x1, 0x0, 0x4e24}, 0x6e, &(0x7f0000004c00)=[{&(0x7f0000004780)="80212a74573dfd23f5fc7aa0c55cc69d4e542b907e956980885710a6f68cc57d8483a7aa914ad5c977cc8b9f50db61af30494ebca428707743546f34b8a14c8a807400c24ff86916bb6ecd155ff5f1c5fd4c4ef209c0cfcf9124ce51ce3a7d2a46c267eb467d4db03d111e5b88feb054450f839b99480e93becbaef86d5524eeacb33ecf46454452970920df0c7fd32cfdca1f6b285f5d3976be0312485b5300a3d1223133c23b35e85e20dabfe36369589bed7f73fa5fcfb6986b9d3e8d4583aef2987dbe390c6edeaddc2047785e1e0f053c087710d5d6df3e", 0xda}, {&(0x7f0000004880)="44002606ca56deb69592cc7bfc7f28fe52214ad4090607fb76c75768468aa433265637ed594f5ce2b5ae2235c3f6068a5c5c5756b11c015363ef00f1fbf676f6c3ade0a8522458cd5b71ed68dba6eb0c4a28ad0524e34768ab33e6d463e4dec32bc9f2ecb2", 0x65}, {&(0x7f0000004900)="95379998fbf8c4082d1d7b75485105bb971249fdf30aa8461b715bc2a11d7dce8a75aacdc18198d2d9a0ebd5d89c0d404fd39600469455ccb8085e5d99aa9def87818604df01024bc00cdbb73b3b7786859b2116e97fa6fb97256d20e737b39c66acbf709fe2caf78772b00e011349137949ce1217ed292ca4581ab2098aedbd8b1bfbeec5ad0e3bc1fb913992c6a665ab16c2fce6f28b2f15ab2abce2aa794d8ce580b39463f8bb25c7deb87db9dbd279e21967d0514140fd2787d026783d06ae666580538ef8e324e73627fb2859e08163b3dc08a61d2fd1211361f6c360a0cfb972555446d4915367c5da91c9f433", 0xf0}, {&(0x7f0000004a00)="620a07c0919cba2f23e9e07bb8257fdb358d8300b6bd3a1e958343b2a1724859", 0x20}, {&(0x7f0000004a40)="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", 0xfe}, {&(0x7f0000004b40)="270cf42877e4df266850957e1c306289c794c85d4fb9a1100c32b9ad033bee8a93b3ed6112d447fff7852573d9a7c874c34d455b4a52c4ebd98bfcecae486aa910fa2054eb5ce346e4fcf997c0d3381ce7c013c0d5a1beba228238994b9a8d45fa0d4720c4d7eda8cae91602fe66d7c48aa56187920f832da89af72acd74863f2d303b5536d4d294acb75123b8c89e09dc703a67e380efe79287cb14974bc3c196307062912c8fea38856a36fb21819e33c6bf346cc225", 0xb7}], 0x6, 0x0, 0x0, 0x20008001}, {&(0x7f0000004c80)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000004f80)=[{&(0x7f0000004d00)="81bae227ef65de91a9aeec285344580442b8ac13c4174bc757f65a2d14ca06d1e07032eb490c42f96bdfa4aa6e2373033a3ab7b5b267f78a59e5fe3ab0b815dc0e421b23a03ec0a7cc037186c34e915ae9a82a54131a42e0c5a40e014a107fdefb79c8f3dbc87a6f56a5877ee16859107d7d68452ace7d115866327a324820664b18b6d72f0f84b92d5634f3be3e", 0x8e}, {&(0x7f0000004dc0)="5eb060924b0173dd8a7d12df6a9252b4cdf70ef57400e0d6e718df66defc5ce0cad004163ddb43c1e55bb6b359b76d956ae4018c2298f4ab7c2c97cc8242a027fc8a1fe20b5fd72fde5af8962a5fadf3532ad26a6c03566ec34f74edd28614e48032a9591ceb24906cbcf154dad9b5ad1be84f2ed2e22e972d2808a0c75e8a3e29ff5b89fc51888f587a09ee524f5a46ebae886196f0f68db33511d4c01e15f74a200d9b36a950a836572b557e49176bba5d755b9e9f5d0776e3e92a7d3f3e84a36bdb9c86d2ad970e642aafb2e41f491ac1c8524d8bb8875e55e14df62911576909f9635c523fac30c269b1e77b0c", 0xef}, {&(0x7f0000004ec0)="923506c1fc8f3f88f2ace9702d5a73909bb75578d44eab736456470604564dae6902a257332c8a8db9006afd463f15dfcc55f46c850549c1c0a8dba149a23c1423c901166640ae94a4215c6ab28ee95541e4d20795ed433c00cfe96a02b4e8d12bde9c2de210c92af586db256cf5131702bf1237ed6d70c2b54cb25d2b756c13422d87c5861bba3a3177930809f00351bc22c27f9980bbe5f0a7a9a3cec5a50d804a718fd953a4efc6ccafe880cba87cda184ccf7661c3", 0xb7}], 0x3, &(0x7f0000007500)=[@cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee00}}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, r1}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee00, r4}}}, @cred={{0x1c, 0x1, 0x2, {r5, 0xee01, 0xffffffffffffffff}}}, @rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r6, r7, 0xffffffffffffffff, r8]}}, @cred={{0x1c, 0x1, 0x2, {r9, r11, 0xee00}}}], 0x100, 0x2000c0c1}], 0x7, 0x4000) r12 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x8000) ioctl$NBD_DO_IT(r12, 0x125e) 20:07:44 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x541000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)={0x1d, 0xa85, 0x2, 0x7, 0x140, 0x1, 0x1, '\x00', 0x0, 0xffffffffffffffff, 0x5, 0x4, 0x2}, 0x40) mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x1000002, 0x100010, r4, 0xb189000) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) pwritev2(r0, &(0x7f0000000180)=[{&(0x7f00000000c0)="9320ba2cd95d9142ec7b5cdb45d4ca45d431da7db4d2db2d1ac64aa390203a748efd664a2a82e96af902d59bd1060279c7a3a8f0ae70028b103b5edc965544624985e62f53f3b40c4cd14cbf673beedb78202b77d7863eb63d68349e7180cdb74497720b993cfd2eb48ad2476a3da45db681dfbf7dc88fa7f6aee96c6f8222f0391b0295881928e97ad0378ac82a938be725c11a183ce99d862bc79a1309222f3e511431", 0xa4}, {&(0x7f0000000980)="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", 0x1000}], 0x2, 0x863, 0x0, 0x6) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:44 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100003000) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:45 executing program 3: mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x2000009, 0x1010, 0xffffffffffffffff, 0x1b3d7000) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x60020) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0xc2000, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) r5 = openat(r4, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x84) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 614.039284] print_req_error: I/O error, dev nbd3, sector 4 [ 614.045640] print_req_error: I/O error, dev nbd3, sector 0 [ 614.051493] print_req_error: I/O error, dev nbd3, sector 0 [ 614.058477] ldm_validate_partition_table(): Disk read failed. [ 614.066383] Dev nbd3: unable to read RDB block 0 [ 614.072986] nbd3: unable to read partition table [ 614.151940] ldm_validate_partition_table(): Disk read failed. [ 614.157754] gfs2: gfs2 mount does not exist [ 614.184210] Dev nbd3: unable to read RDB block 0 [ 614.193865] nbd3: unable to read partition table [ 614.205139] audit: type=1804 audit(1625688465.090:306): pid=28763 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/607/cgroup.controllers" dev="sda1" ino=14033 res=1 [ 614.214705] ldm_validate_partition_table(): Disk read failed. [ 614.232752] block nbd0: shutting down sockets [ 614.241907] block nbd5: shutting down sockets [ 614.266146] Dev nbd3: unable to read RDB block 0 20:07:45 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x970000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 614.287258] nbd3: unable to read partition table [ 614.319812] block nbd0: shutting down sockets [ 614.326090] ldm_validate_partition_table(): Disk read failed. [ 614.326099] block nbd5: Could not allocate knbd recv work queue. [ 614.326829] block nbd5: shutting down sockets [ 614.365974] Dev nbd3: unable to read RDB block 0 [ 614.394618] nbd3: unable to read partition table 20:07:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) getsockopt$sock_buf(r3, 0x1, 0x37, &(0x7f00000000c0)=""/20, &(0x7f0000000100)=0x14) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 614.422731] nbd3: detected capacity change from 0 to 66990080 [ 614.462715] ldm_validate_partition_table(): Disk read failed. 20:07:45 executing program 1: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x4, &(0x7f0000000100)={[{@metacopy_on}, {@xino_auto}, {@xino_off}, {@nfs_export_on}], [{@hash}]}) ioctl$TUNSETLINK(r0, 0x400454cd, 0x2) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125e) 20:07:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x404000) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = dup2(r2, r1) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r3, 0x8933, &(0x7f0000000000)) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x408901, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r5) [ 614.495049] Dev nbd3: unable to read RDB block 0 [ 614.523183] nbd3: unable to read partition table 20:07:45 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xc04a01, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 614.609866] block nbd3: shutting down sockets 20:07:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x1) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x10400, 0x90) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SIZE(r1, 0xab02, 0xdf5) 20:07:45 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x610940) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x10000) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 614.672649] block nbd0: shutting down sockets 20:07:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 614.765080] block nbd0: shutting down sockets 20:07:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r4 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r4, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r4}], 0x1, 0x1) read(r4, &(0x7f0000000980)=""/4096, 0x1000) ioctl$NBD_SET_BLKSIZE(r3, 0xab01, 0x8) r5 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0), 0x8) r6 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000100), 0x101000, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 614.794365] block nbd3: shutting down sockets [ 614.843490] block nbd3: shutting down sockets [ 614.961803] audit: type=1804 audit(1625688465.840:307): pid=28780 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/607/cgroup.controllers" dev="sda1" ino=14033 res=1 20:07:45 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100003800) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:45 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xd04f00, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x4820c0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x806000) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:45 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/expire_quiescent_template\x00', 0x2, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) 20:07:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x64e682) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x80) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x208000) ioctl$F2FS_IOC_WRITE_CHECKPOINT(r1, 0xf507, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) [ 615.047672] block nbd5: shutting down sockets 20:07:46 executing program 0: r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x2300, 0x0) ioctl$LOOP_SET_STATUS(r0, 0x4c02, &(0x7f0000000100)={0x0, {}, 0x0, {}, 0x9, 0x5, 0x1c, 0x10, "83f0f22a556c1d3683072b0c5cd5d1054ead4f6449cbdb98ec695957adce8a5cbc1fb448f19cfbe016f2b81400a0fb81ecd164c952d10c99ef6369c663c2404a", "053f6cd22a7018a705cdfb6f69bb610e0cd61a281c79bd937278f7e0a5f901f1", [0xffffffff, 0xc5c]}) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 20:07:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x10802) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x40400, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x402042, 0x60) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DISCONNECT(r3, 0xab08) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) dup3(0xffffffffffffffff, r0, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$TIOCNOTTY(r4, 0x5422) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 20:07:46 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xf04a00, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 615.232190] audit: type=1804 audit(1625688466.120:308): pid=28867 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/608/cgroup.controllers" dev="sda1" ino=13940 res=1 [ 615.270201] block nbd0: shutting down sockets 20:07:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000080), 0x220302, 0x0) preadv(r3, &(0x7f0000000400)=[{&(0x7f00000000c0)=""/141, 0x8d}, {&(0x7f0000000180)=""/204, 0xcc}, {&(0x7f0000000280)=""/244, 0xf4}], 0x3, 0x9, 0x6c) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x201, 0xdc) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x2) ioctl$sock_inet_SIOCSIFFLAGS(r2, 0x8914, &(0x7f00000003c0)={'erspan0\x00'}) 20:07:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat$md(0xffffffffffffff9c, &(0x7f00000000c0), 0x400, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r6 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) [ 615.357392] block nbd0: Could not allocate knbd recv work queue. [ 615.365196] block nbd0: shutting down sockets 20:07:46 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xf0ffff, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 615.606280] block nbd0: shutting down sockets [ 615.690085] audit: type=1804 audit(1625688466.570:309): pid=28873 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/608/cgroup.controllers" dev="sda1" ino=13940 res=1 [ 615.716430] block nbd0: shutting down sockets [ 615.723320] audit: type=1804 audit(1625688466.570:310): pid=28867 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/608/cgroup.controllers" dev="sda1" ino=13940 res=1 20:07:46 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xfeffff, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:46 executing program 1: r0 = openat(0xffffffffffffffff, &(0x7f0000000040)='/proc/self/exe\x00', 0x100, 0x0) r1 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r1, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r1}], 0x1, 0x1) preadv(r1, &(0x7f0000000980)=[{&(0x7f0000000680)=""/59, 0x3b}, {&(0x7f00000006c0)=""/190, 0xbe}, {&(0x7f0000000780)=""/5, 0x5}, {&(0x7f00000007c0)=""/120, 0x78}, {&(0x7f0000000840)=""/32, 0x20}, {&(0x7f0000000880)=""/248, 0xf8}], 0x6, 0x101, 0x8) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) clock_getres(0x5, 0x0) r2 = getpid() sched_setattr(r2, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5, 0x5}, 0x0) process_vm_writev(r2, &(0x7f00000003c0)=[{&(0x7f0000000080)=""/165, 0xa5}, {&(0x7f0000000140)=""/103, 0x67}, {&(0x7f00000001c0)=""/135, 0x87}, {&(0x7f0000000000)=""/51, 0x33}, {&(0x7f0000000280)=""/237, 0xed}, {&(0x7f0000000380)=""/54, 0x36}], 0x6, &(0x7f0000000600)=[{&(0x7f0000000440)=""/122, 0x7a}, {&(0x7f00000004c0)=""/188, 0xbc}, {&(0x7f0000000580)=""/121, 0x79}], 0x3, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000640), 0x0, 0x8201) ioctl$NBD_DO_IT(r3, 0x125e) 20:07:46 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100004000) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x3c2) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$sock_inet_SIOCSIFNETMASK(r3, 0x891c, &(0x7f00000000c0)={'veth0_virt_wifi\x00', {0x2, 0x0, @initdev}}) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 615.809556] block nbd5: shutting down sockets [ 615.905255] block nbd3: Receive control failed (result -32) [ 615.922072] block nbd3: shutting down sockets [ 615.954909] audit: type=1804 audit(1625688466.840:311): pid=28919 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/609/cgroup.controllers" dev="sda1" ino=14179 res=1 [ 616.033716] block nbd3: Receive control failed (result -32) [ 616.042712] block nbd3: shutting down sockets 20:07:46 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x81) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80001) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DO_IT(r0, 0xab03) 20:07:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r5 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x10002, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x20000, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) 20:07:46 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xff0700, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:47 executing program 1: ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125e) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x1) socketpair(0x6, 0x1, 0x5, &(0x7f0000000000)) 20:07:47 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x1000000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 616.267686] block nbd5: shutting down sockets [ 616.292661] block nbd3: shutting down sockets [ 616.324765] block nbd5: Could not allocate knbd recv work queue. [ 616.345606] audit: type=1804 audit(1625688467.230:312): pid=28927 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/609/cgroup.controllers" dev="sda1" ino=14179 res=1 20:07:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 616.361084] block nbd5: shutting down sockets 20:07:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:47 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100004001) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 616.434177] block nbd3: shutting down sockets 20:07:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x500, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$BLKTRACESTART(r0, 0x1274, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) close(r0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$BLKTRACESTART(r1, 0x1274, 0x0) 20:07:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$BTRFS_IOC_QUOTA_RESCAN(r5, 0x4040942c, &(0x7f00000000c0)={0x0, 0x3, [0x8, 0xfffffffffffffff9, 0x8, 0xa9b8, 0xe1f, 0x8]}) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 616.582118] block nbd5: shutting down sockets [ 616.622948] audit: type=1804 audit(1625688467.510:313): pid=28989 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/610/cgroup.controllers" dev="sda1" ino=14321 res=1 [ 616.649698] block nbd3: shutting down sockets [ 616.658438] block nbd5: Could not allocate knbd recv work queue. [ 616.671932] block nbd5: shutting down sockets [ 616.699672] block nbd0: Receive control failed (result -32) [ 616.706282] block nbd0: shutting down sockets [ 616.739022] block nbd3: shutting down sockets [ 616.771992] block nbd0: shutting down sockets 20:07:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x246001) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:47 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x14ac000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:47 executing program 5: ioctl$sock_ipv6_tunnel_SIOCGET6RD(0xffffffffffffffff, 0x89f8, &(0x7f0000000140)={'ip6_vti0\x00', &(0x7f00000000c0)={'syztnl1\x00', 0x0, 0x4, 0xa6, 0x3f, 0x8, 0x8, @dev={0xfe, 0x80, '\x00', 0x17}, @private1={0xfc, 0x1, '\x00', 0x1}, 0x1, 0x1, 0xc4, 0x9}}) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f0000000180), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x101080) r2 = open(&(0x7f0000000100)='./file0\x00', 0x2000, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = openat$6lowpan_enable(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) fallocate(r4, 0x8, 0x1f, 0x3) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000000)=0x80) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x2a0b9ccee3a453e0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 616.950607] block nbd5: shutting down sockets [ 616.976631] block nbd3: shutting down sockets 20:07:47 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x2000000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0x125e) [ 617.039227] block nbd3: Receive control failed (result -32) [ 617.040248] block nbd3: shutting down sockets [ 617.064746] block nbd5: shutting down sockets 20:07:48 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100004100) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:48 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x3000000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0), 0x441, 0x0) ioctl$BLKBSZSET(r1, 0x40081271, &(0x7f0000000100)=0x100) openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x8000, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x1f, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000000)={r0, 0x10000, 0x1ff, 0x5}) close(r0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$DRM_IOCTL_MODE_GETENCODER(r2, 0xc01464a6, &(0x7f0000000080)={0x5}) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat$full(0xffffffffffffff9c, &(0x7f00000000c0), 0x2000, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:48 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x4000000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 617.464471] audit: type=1804 audit(1625688468.350:314): pid=29075 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/611/cgroup.controllers" dev="sda1" ino=14401 res=1 [ 617.496545] block nbd3: shutting down sockets 20:07:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x101001) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) [ 617.595823] block nbd5: shutting down sockets [ 617.685140] block nbd5: shutting down sockets [ 617.725271] block nbd3: shutting down sockets [ 617.787259] block nbd3: shutting down sockets [ 617.816367] block nbd0: Receive control failed (result -32) [ 617.833407] block nbd0: shutting down sockets [ 617.893162] block nbd0: Could not allocate knbd recv work queue. [ 617.899435] block nbd0: shutting down sockets 20:07:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$BLKBSZSET(r4, 0x40081271, &(0x7f00000000c0)=0xffffffff) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:48 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0xfffffffffffffff2, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000003c0)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="4800000010000507040000000000000000000010", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000340)=ANY=[@ANYBLOB="380000002400070500ee30cf7c00000000a2a300", @ANYRES32=r3, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) r4 = socket(0x10, 0x80002, 0x0) sendmsg$nl_route(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000004c0)=@newlink={0x48, 0x28, 0x10f, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x2, {{0x0, 0x9}}}}}}]}, 0x48}}, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={r3, 0x1, 0x6, @multicast}, 0x10) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r5, 0x125e) 20:07:48 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x5000000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:48 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100004800) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:48 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) sendmsg$TIPC_NL_BEARER_GET(r4, &(0x7f0000000500)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000004c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="07000000c0e5d6e7247172b14c2d49dc9f4389ad", @ANYRES16=0x0, @ANYBLOB="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"], 0x3bc}, 0x1, 0x0, 0x0, 0x24000018}, 0x20000000) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmsg$ETHTOOL_MSG_EEE_SET(r5, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000001c0)={&(0x7f0000000980)={0x29c, 0x0, 0x10, 0x70bd2a, 0x25dfdbff, {}, [@ETHTOOL_A_EEE_ENABLED={0x5, 0x5, 0x1}, @ETHTOOL_A_EEE_ENABLED={0x5, 0x5, 0x1}, @ETHTOOL_A_EEE_HEADER={0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg0\x00'}]}, @ETHTOOL_A_EEE_MODES_OURS={0x24c, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x40, 0x3, 0x0, 0x1, [{0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, ')\x96!\\-\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_NAME={0x12, 0x2, 'veth1_to_team\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '/\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x34, 0x3, 0x0, 0x1, [{0x8, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x4}, {0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x3f}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x8}, @ETHTOOL_A_BITSET_MASK={0x33, 0x5, "b2cd781f5e00d9c06314577ec484f32b133aa3d615c25d39daf34cb60bc3ca418f60c16992a9433339aa9381a75d9d"}, @ETHTOOL_A_BITSET_BITS={0x198, 0x3, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x60, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/nbd#\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '[/$\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '\\-$\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x12, 0x2, 'veth1_to_team\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, '-#*%:\xce\x00'}]}, {0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x12, 0x2, 'veth1_to_team\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/nbd#\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '((\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '}\x00'}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, '*\\!}:%*\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}]}, {0x8, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x40}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffffff}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xa6c}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '%\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x48, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x12, 0x2, 'veth1_to_team\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '%\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7ff}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffff80}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '))/\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}, {0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'wg0\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, ':\xa2\x00'}]}]}]}]}, 0x29c}, 0x1, 0x0, 0x0, 0x40040c4}, 0x800) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, 0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x0, 0xd9f, 0x3) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) 20:07:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x8080) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 618.028887] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 618.088700] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 618.113504] block nbd5: shutting down sockets [ 618.120824] audit: type=1804 audit(1625688469.000:315): pid=29137 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/612/cgroup.controllers" dev="sda1" ino=14399 res=1 [ 618.123186] block nbd0: shutting down sockets [ 618.157306] block nbd3: shutting down sockets [ 618.206034] block nbd5: shutting down sockets 20:07:49 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x6000000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x4c4a41) ioctl$NBD_DO_IT(r0, 0x125e) openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/module/libahci', 0x800, 0x40) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) 20:07:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x4080) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 618.342161] block nbd0: shutting down sockets 20:07:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x100) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:49 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x7000000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$BLKDISCARD(r1, 0x1277, &(0x7f00000000c0)=0xffffffffffffffe1) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:49 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x10100) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:49 executing program 1: recvmsg$kcm(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000080)=@un=@abs, 0x80, &(0x7f0000000280)=[{&(0x7f0000000100)=""/145, 0x91}, {&(0x7f00000001c0)=""/75, 0x4b}, {&(0x7f0000000240)=""/26, 0x1a}], 0x3}, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x321000) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x488000) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0x125e) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE(r2, 0xc01064c2, &(0x7f0000000300)={0x0, 0x1, r2}) fcntl$addseals(r3, 0x409, 0x9) 20:07:49 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100005000) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 618.570866] block nbd0: shutting down sockets 20:07:49 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x8000000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 618.622007] block nbd5: shutting down sockets [ 618.627565] block nbd0: shutting down sockets 20:07:49 executing program 0: ioctl$ION_IOC_ALLOC(0xffffffffffffffff, 0xc0184900, &(0x7f0000000100)={0x200, 0x2, 0x0, 0xffffffffffffffff}) ftruncate(r0, 0x100) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$sock_SIOCSIFBR(r3, 0x8941, &(0x7f00000000c0)=@generic={0x0, 0x1}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 20:07:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x38201) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) openat(r3, &(0x7f0000000200)='./file0\x00', 0x0, 0x41) writev(r0, &(0x7f00000004c0), 0x0) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000280), 0x20000, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) [ 618.742726] block nbd5: Receive control failed (result -32) [ 618.749250] block nbd5: shutting down sockets 20:07:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) r5 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r5, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r5}], 0x1, 0x1) sendfile(r5, r3, &(0x7f00000000c0)=0x8, 0xff) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r6 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r6, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r6}], 0x1, 0x1) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r6, 0xd000943e, &(0x7f0000000980)={0x0, 0x0, "b98e222bad1952a6c8123a4ce9e05b22234b065af41c15afdab088ca676bba7ab0034b1180a413a98caa94c6e7721a8560c8481ed5060411672470723b6307ba08a3f43f35d83fea2149a2ab57f5d3a432ccc902a8d8e6593ec1cdf169faebd8cec0441f53ec443a0cfeeb067b65ac891068a4a32036a702ebedf1b765c01827721a08c125068caf08e59f343d464c284ee18a6fccc4591b6bc1a175ed581cfc5c47f98248b9c8b3b2238e8dbf07995b28e78f985ea56ece1767e10ed571a030e8f027985068c9fd37f967e375b9c97d7d2165f14da66a12762515dbdf08199f876e20a8ee5cd7127f76bc629545b4711dbc6dcd5ea8e0b6d17b8d1d3c6e0fad", "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"}) [ 618.814221] block nbd0: shutting down sockets 20:07:49 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xd000000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 618.872993] block nbd0: Could not allocate knbd recv work queue. [ 618.891508] block nbd0: shutting down sockets 20:07:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000900), 0x0, 0x1c600) ioctl$NBD_DO_IT(r0, 0x125e) r1 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r1, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r1}], 0x1, 0x1) r2 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r2, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r2}], 0x1, 0x1) r3 = getpid() sched_setattr(r3, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) ioctl$NS_GET_OWNER_UID(0xffffffffffffffff, 0xb704, &(0x7f0000000240)=0x0) r5 = geteuid() setreuid(r5, 0x0) r6 = socket$netlink(0x10, 0x3, 0x0) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, 0x0) setregid(0x0, r7) r8 = getegid() ioctl$NS_GET_OWNER_UID(0xffffffffffffffff, 0xb704, &(0x7f0000000380)=0x0) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000000b00)=ANY=[@ANYBLOB="c8030000f5ffffff", @ANYRES64=0x0, @ANYBLOB="0000000000000000020000000000000001000000000000000200000000000000f10600000600000005000000000000005700000000000000010000000000000008000000000000008fcf0000000000009b000000000000000400000002000000fcffffff00c0000008000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000800000600000000000000010000000000000000080000000000000100000009000000000000000000000000000000000000000200000000000000feffffffffffffff00000000000000000500000007000000010000000000000005000000000000000000000000000000b300000000000000000400000000000004000000000000000600000000000000010000000010000006000000", @ANYRES32=0x0, @ANYRES32=0xee01, @ANYBLOB="d6000000090000000000000004000000000000009b080000000000000500000081000000766661740000000002000000000000000100000000000000f7ffffffffffffff0000000000000000008000000800000006000000000000000180000000000000fcffffffffffffff0200000000000000000000ffffffffff07000000000000002000000000000000020000000040000001040000", @ANYRES32=r4, @ANYRES32=0xee01, @ANYBLOB="0400000006000000000000000500000000000000ffffff7f00000000020000000300000023400000000000000100000000000000030000000000000004000000000000000800000000000000747700000800000002000000000000007f0000000000000001000000000000000900000000000000090000000000000007000000000000000300000003000000010000000020000002000000", @ANYRES32=r5, @ANYRES32=r7, @ANYBLOB="0800000004000000000000000300000000000000020000000000000001000000ff00000026000000000000000500000000000000000000000000000007000000000000000600000000000000010100001f0000000400000000000000fffffeffffffffff040000000000000007000000000000007e00000000000000090000000000000003000000050000000300000000c0000004000000", @ANYRES32=0xee00, @ANYRES32=r8, @ANYBLOB="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"/326, @ANYRES32=r9, @ANYRES32, @ANYBLOB="0010000000c0ffff000000000200000000000000000000000100000003000000050000002e40250000000000"], 0x3c8) sendmsg$unix(0xffffffffffffffff, &(0x7f0000000a00)={&(0x7f0000000080)=@abs={0x1, 0x0, 0x4e21}, 0x6e, &(0x7f0000000740)=[{&(0x7f0000000000)="fe31e8ff11a720b01df3a939d89d29f64923a0461246b9fe05dcf4b556592b6733555eb75478f05c9259732309f06726d13ee197e2", 0x35}, {&(0x7f0000000100)="82de95f7b7e6b0d56c8d095e5842cae55079bf3fcc52819135263244c89ccd81e1230114ed674a56b1de6fc418d22979041e3685ea862471c722936b94fbb830937db92c3f983a426472ecb6abca7f1e5209c4b2240a9c40c9712b5716075023b52754038b7788bad65fb3148a03b45faf8fef58afa107a0ebe8dd59d2", 0x7d}, {&(0x7f0000000180)="2e07bdfca5f35b0a1a13", 0xa}, {&(0x7f00000001c0)="01afd9b3e11653b45bb8efa66870369ebc507cd3b6adb67d92934543245304d734882170b08d932f062a23c4af55e5a8", 0x30}, {&(0x7f0000000200)="9702d7dfbed044685f0ab56a10dea10fa62d279b2fbe4f3dd828c1b4ee5c160a4fd32cf62bc9a59dd808f940c656869b9d7b0bfdae1a50f0455506f6755aa576fd5fbf5465976bdeea02840c7351a780fb9cc4b436ead4f203c03d17cfea0179af884f5b7f8134d3ec57bebbc6e2bed26b8cc58163fabd330aeeab8801b1cc89edc8274d087319eab67be92c1ce4e940b1c393f1d495b86ab0143f524137eb0a6ea2de630d68fa825a1171b0e6b8be2c8e43c0fd4664cb6bd0a4130d2ccac8585a7daae76f608b29185a2bf2f73d9daeb0056a02d90dcf073307c8b88f71d43da64fb48541bd", 0xe6}, {&(0x7f0000000300)="ccd7ff58e32a8baf8e013d348da806c57992e788955755515560772b77da5dcd12f759bc988ecb64314588e42bce285336619c720a4b00db3c01c95589f805e2e1d479b4c1ce69ea04883b286593298ae98ba49057ba004664a6f607fb991764315a9ae1dc64b9da64f21f0af19130daafccb0bd7e2eb3a7cfd16c83a820d224ebc04ebef09b1e6d59c228f9a9787e", 0x8f}, {&(0x7f00000003c0)="d00280e1c3ae5f421bdb8f61f18868a50001f10d5fe360ec313e6f99eb289813cbe254626b1e47bb4ad8856a25f8ba7397940b1d3b842de1abb58ff930a98d563a4cb33aa0509058ae6490bb7c493f682be05644cc769102956d93d1534cabc5c0edb06e302b6931a99a135033791fbd74830f8f27476a02d98fdefd5b9cbb24ed06a907e0b203928cb5bc477f65788d1ceb3cf407e541ad10193217c546", 0x9e}, {&(0x7f0000000480)="2891a2bcd2222dea7c4035e83c2714929e21e4ffe2f190b6250e789e6d53187235043ea11f97ba05cebbabd74edeee62d918782ab1d4f8d5fc321f5dc6b91703ac3ec3fcbbb243b1ef4f5af13b9019dc8e5f8dd5e0cf6a002bd3e5f8fae6a0aeabd4faebf2994fedf19e465086f0ce6527891b7e3fba5df0352b7fa7478f5f1b5ba6680bbea3b551c8a94e84edada5861d89d55d08e3fbf135ac786ee535d142829585cdc4d489612cea62e68867481c1c0b86a52c1511bba822c4c56af5c86adcaddf31959ede0a0887", 0xca}, {&(0x7f0000000580)="35d8e2a4d6f11ff4bf5b063f527e0048b971ffac6f19fdca26ce0f418a60586d0e6b0aa6c5d596247300d8f1802817237886b9e7b3954f848f281d70a55b301f719e6308c54053c23c2406f84b4768f005dfa303735f8a4e9776d273b639076a45527056608fed3021d5ee9276c17050e1c676f7316eca80114c234dd68fed6fbe13d49b3b09272d003b28dcbd77ad289d2d8ce7da606912e298c08a23d8c7dace5f5470793ee5ef7ad5775385c7d13a12955ebce28962e3e6b065ecce43e3d9a12a40f7bf5f4270b1c2c04259da", 0xce}, {&(0x7f0000000680)="5d62054c3d7c2cd9507e99557f9c59a68490331eb4f22686fc830aa568597427384b9dfdce34056e30ed4a0a144d2e10f6c95cea0cc39282cf1c7aa272a720e101ba3706421066af09338caa7877bbbb51060bc9aa9e2babd1839e3abb09e5c348b8bee06526267d226569acfd72578ca4660f2b800ce0872596b141f8a8dce4318c1476f66cbcf4e6be1a487fc187ad7963b3929ba7f5507006b07011d6c38f33591a5e4142f0c3ad8aabd9f627e9ddfdb1b3eb38530c2e21", 0xb9}], 0xa, &(0x7f0000000a40)=ANY=[@ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000030000000000000000100000001000000", @ANYRES32=r0, @ANYRES32=r0, @ANYRES32, @ANYRES32=r0, @ANYRES32, @ANYRES32=r0, @ANYRES32=r0, @ANYRES32, @ANYBLOB="1c000000000000000100000001000000", @ANYRES32=r1, @ANYRES32=r2, @ANYRES32=r0, @ANYBLOB="000000001c000000001000000100000002000000", @ANYRES32=r3, @ANYRES32, @ANYRES32=r8, @ANYBLOB="eb00f7ff24"], 0xb0}, 0x20040110) 20:07:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 619.012781] block nbd5: shutting down sockets 20:07:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x10000000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 619.076581] block nbd5: shutting down sockets 20:07:50 executing program 1: sendmsg$SOCK_DIAG_BY_FAMILY(0xffffffffffffffff, &(0x7f0000001280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000001240)={&(0x7f0000000080)={0x1190, 0x14, 0x2, 0x70bd2a, 0x25dfdbfc, {0x15, 0xdf}, [@INET_DIAG_REQ_BYTECODE={0x17, 0x1, "d353a88209c835e00c9c1cd020774c40815b18"}, @INET_DIAG_REQ_BYTECODE={0x12, 0x1, "4926743c0c37b531c5d64af2dd9a"}, @INET_DIAG_REQ_BYTECODE={0x83, 0x1, "0a4726a7c7a8e91586d6217cda3820494746569ed9f2fecf09427dcfd2bbd9c51354f232dae8bce4f5cde5ff730d3ec07f9d6e27f150f4b79c1d74717c50bc438ce3c93dab16b69f33f2a3268fa95021021e22b2f356c4cf6c5add5ca638297efe3d4e16ccd5db320e250111be4c1fe461f00422f3ba3c001292907fe775c5"}, @INET_DIAG_REQ_BYTECODE={0xc8, 0x1, "ab253de653b4645686b39ad92d89247f7f354b57b2cf067cf20b6f2a9300638f50c8756894986abea0a3c13e9bc5bf17639f8e35892d6af864a4a12768d5e7c2089b3c8817cb7ac55d217ed80950bb12e9a99a682cd9b293c113394ac6a5d0d14545ee75b56e26d9949aa17505acacc4866212c259c91ce7caf5df8418da2b1cedb6711793ce9384405e9fab0993394f26b41ca7b3bbfacc17d2a13da81dddca1f681dcfb5da02020dc0abf6eea68f2b9065b5a5ada4163ae012699694efdb29f0bdea4f"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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0x1190}, 0x1, 0x0, 0x0, 0x10}, 0x4000000) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmsg$RDMA_NLDEV_CMD_GET_CHARDEV(r1, &(0x7f0000001380)={&(0x7f00000012c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000001340)={&(0x7f0000001300)={0x38, 0x140f, 0x300, 0x70bd28, 0x25dfdbfc, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_CHARDEV_TYPE={0x7, 0x45, 'sa\x00'}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x4040000) ioctl$NBD_DO_IT(r0, 0x125e) [ 619.155228] block nbd0: shutting down sockets [ 619.209309] block nbd0: shutting down sockets [ 619.310173] kauditd_printk_skb: 2 callbacks suppressed [ 619.310187] audit: type=1804 audit(1625688470.190:318): pid=29218 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/613/cgroup.controllers" dev="sda1" ino=14401 res=1 [ 619.364748] audit: type=1804 audit(1625688470.190:319): pid=29214 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/613/cgroup.controllers" dev="sda1" ino=14401 res=1 [ 619.393761] block nbd3: Receive control failed (result -32) 20:07:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_DISCONNECT(r0, 0xab08) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x404183) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$sock_inet_SIOCSIFDSTADDR(r1, 0x8918, &(0x7f00000000c0)={'lo\x00'}) 20:07:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DO_IT(r1, 0xab03) 20:07:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x13000000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x40681) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r3 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r3, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r3}], 0x1, 0x1) r4 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r4, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r4}], 0x1, 0x1) dup2(r4, r2) mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x1800003, 0x810, r3, 0x0) preadv(r2, &(0x7f0000000100), 0x0, 0xd9f, 0x0) openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0), 0x50102, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:50 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100005800) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 619.434330] block nbd3: Device being setup by another task [ 619.442480] block nbd3: shutting down sockets 20:07:50 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='hugetlb.2MB.limit_in_bytes\x00', 0x0, 0x0) ftruncate(r0, 0x6) write$rfkill(r0, &(0x7f0000000080)={0x6, 0x8, 0x1, 0x1}, 0x8) ioctl$NBD_DO_IT(0xffffffffffffffff, 0x125e) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r1, &(0x7f0000003e00)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000002c0)={{0x14}, [@NFT_MSG_NEWTABLE={0x20, 0x0, 0xa, 0x3, 0x0, 0x0, {0x1}, [@NFTA_TABLE_NAME={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWFLOWTABLE={0x40, 0x16, 0xa, 0x1, 0x0, 0x0, {0x1}, [@NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz2\x00'}, @NFTA_FLOWTABLE_HOOK={0x14, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_PRIORITY={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}]}]}, @NFT_MSG_DELFLOWTABLE={0x2c, 0x18, 0xa, 0x101, 0x0, 0x0, {0x1}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz2\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}]}], {0x14, 0x10}}, 0xb4}}, 0x0) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x20000, 0x0) ioctl$IOCTL_VMCI_CTX_GET_CPT_STATE(r2, 0x7b1, &(0x7f0000000100)={&(0x7f0000000380)=[0x4, 0x2, 0x81, 0x1ff, 0xee, 0x81, 0x9, 0x4, 0x7, 0x0, 0x866c8a5, 0x7, 0x0, 0x8, 0xb8d, 0x9, 0x1, 0x0, 0x1, 0x10000, 0x7fffffff, 0x5, 0x4, 0x401, 0x7, 0x3ff, 0x3b5, 0x0, 0x0, 0xfffffffb, 0xa90d, 0x1, 0x2, 0x571, 0x6, 0x5, 0x2, 0x5, 0x3, 0x0, 0x80, 0x5, 0x8b8d, 0x8, 0x0, 0x6, 0x4, 0x8fb, 0xffffffff, 0x7, 0xffffffff, 0x8, 0x5b, 0x1, 0x101, 0x1, 0x2, 0x7f, 0x6, 0x9, 0x81, 0x4, 0x8, 0xffffc106, 0x800, 0x6, 0x65e, 0x7, 0x4, 0x3ff, 0x7948d7b6, 0xb, 0x7fff, 0xffff, 0x6, 0x1, 0xffcd, 0xfff, 0xfffffffb, 0x8001, 0xffff, 0x3, 0x2, 0x0, 0x0, 0xffffffff, 0x1, 0x7, 0x7, 0x7, 0x80000001, 0x9, 0x7f, 0x0, 0x5, 0x6, 0x3, 0x8, 0x40, 0x3, 0x10001, 0x2, 0x3, 0x54, 0x64, 0xd4, 0x8000000, 0x3ff, 0x96bf, 0x1, 0x6, 0x5, 0x82de, 0x0, 0xddd, 0x3a14, 0x8000, 0x3, 0x7, 0x39fb, 0x6, 0x1, 0x0, 0x7, 0x7, 0x0, 0x7, 0x5, 0x1ff, 0x3, 0x20, 0x8, 0x9, 0x8, 0x3445, 0x7fffffff, 0xffffff33, 0xd131, 0x2, 0xfffffffd, 0xb25, 0x652, 0x1000, 0x10001, 0x3ff, 0x4da, 0x20, 0x3, 0x5, 0x8001, 0x7fffffff, 0x9, 0xb, 0x0, 0x3ff, 0x3, 0x1, 0x8, 0x4ae, 0x3, 0xe0, 0x4, 0x5, 0x6, 0x5, 0x79, 0x1, 0x200, 0x4, 0x9, 0x6, 0x4, 0x4, 0x3, 0xe166, 0xffff0000, 0x1, 0x1, 0x0, 0xff, 0x80000001, 0x9, 0x0, 0x3, 0x3f, 0xe5, 0x20, 0x5, 0x3, 0x2, 0x80, 0x100, 0xffffffff, 0x3, 0xcd4, 0x4, 0xc9f, 0x4, 0xc90e, 0x1, 0x5, 0xffffffff, 0x7ff, 0x7ff, 0x11, 0x0, 0x101, 0x20, 0x3, 0xe0000000, 0xfff, 0x0, 0xfffffff9, 0x7f, 0x7, 0x0, 0x3, 0x7d, 0x5, 0x0, 0xddc, 0x4, 0xfc, 0x0, 0x8, 0xf2e9, 0x4, 0x40, 0x0, 0x7ff, 0x4, 0xab, 0x8, 0xfffffffd, 0x3, 0x8, 0xff, 0xe5a, 0x1, 0x40, 0x1, 0x1, 0x1f, 0x5, 0x400, 0x101, 0x7, 0x101e, 0x1984, 0x10000, 0x273, 0xfffffffc, 0x2, 0x2, 0x6, 0x80000001, 0x1, 0x6, 0x200, 0x48, 0x7, 0x0, 0x80000000, 0x0, 0xfffffff9, 0x14fd, 0x6, 0x20, 0x1, 0x55d47dca, 0x20, 0x1, 0x5, 0x1, 0x9, 0xfffffff9, 0x74f9, 0x101, 0xfffffffb, 0x7, 0x6, 0xe9f, 0x400, 0xffffffc0, 0x4, 0xed8, 0x788, 0x0, 0x2e4, 0x8, 0x2, 0x5, 0x9, 0xff, 0x9, 0x1, 0x6, 0x8, 0x3f, 0x2, 0x10001, 0x75dfa617, 0x7, 0x1, 0xf9a, 0x7, 0x1, 0x6, 0x10001, 0x1ff, 0x7, 0x3, 0x1000, 0x5ff, 0x8, 0x4, 0x4, 0x40, 0x400, 0x3, 0x10001, 0x9, 0x5, 0x0, 0x3, 0x36d, 0x0, 0x8, 0x6, 0x100, 0x6, 0xa5, 0x7, 0xf3, 0x0, 0x70f0, 0x400, 0x81, 0xc71, 0x8a31, 0x0, 0x40, 0x7ff, 0x5, 0x20, 0x100, 0x3, 0xa2e, 0x8, 0x4, 0x200, 0x8, 0xffff0001, 0x4, 0xfffffc01, 0x3, 0x8, 0x3, 0xaeb, 0x3, 0x4, 0x800, 0x3, 0x4, 0x6, 0xe1, 0x6, 0x1, 0x5, 0x3, 0x9, 0x401, 0x0, 0x27de, 0x7f, 0x3ff, 0x7, 0xffffffe0, 0x7, 0x4, 0x0, 0x9, 0x7f, 0x7, 0x7708, 0x1, 0x101, 0x200, 0x1, 0x7, 0x2, 0x1, 0x8, 0x2, 0x1, 0x6, 0x1, 0xa0ca890, 0x40, 0x2, 0xa8, 0x6, 0x4, 0x81, 0x7ff, 0x8, 0x6, 0x0, 0xfffff801, 0x7, 0x5, 0x509, 0x7, 0x7f, 0x3ff, 0x7, 0x4, 0x10001, 0x2, 0x7fff, 0xc6a7, 0x4, 0x100, 0x5, 0xe8, 0x80000001, 0x7, 0x80000001, 0xa90, 0x401, 0xfffffffd, 0x0, 0xda, 0x40000000, 0x2b, 0x0, 0xca1, 0x9, 0x9, 0x0, 0x5, 0x8, 0xe8, 0x4, 0x81, 0x5, 0x2, 0x2, 0x533, 0xe32c, 0x5e8e, 0x80000000, 0x97f7, 0x1, 0x8000, 0x0, 0x5, 0x7, 0x7ff, 0x0, 0x6, 0x7, 0x101, 0x4, 0x3f, 0x3, 0x7, 0x55, 0x8, 0x2c65, 0xf22a, 0x1, 0x572, 0x9, 0x1ff, 0x1, 0x82, 0x2, 0x1, 0xfffff9a4, 0x2, 0x6, 0x0, 0x10000, 0x7, 0x1ff, 0x1, 0x7f, 0x200, 0x7, 0x1, 0x0, 0x71f019f0, 0x45ed, 0x7, 0x5, 0x6, 0x9, 0x28, 0xfffffffd, 0x1, 0x9, 0x100, 0x1, 0x2, 0x100, 0x3, 0x40, 0x9, 0x100, 0x401, 0x2, 0x6, 0x4, 0x0, 0x7ff, 0x2, 0x8, 0x4, 0x3ff, 0x2, 0x7f, 0x4, 0x1, 0x6, 0x7f, 0x81, 0x1, 0x5, 0x8, 0x3ff, 0xff, 0x5, 0x4, 0x5, 0x8, 0x80, 0x1, 0xffffffff, 0x6, 0x4, 0x3, 0x9, 0x0, 0x3, 0xfffffff7, 0x9, 0x0, 0x81, 0xfffffff7, 0x2, 0xf7d, 0x2, 0x4, 0x800, 0x1, 0x4, 0x0, 0x3, 0xf5, 0x9, 0x1c2a, 0x7fffffff, 0xfffffc00, 0x401, 0x1, 0x56, 0x4, 0x7d9, 0xfff, 0x2, 0x8001, 0x3, 0x9, 0x0, 0x7ff, 0x1, 0x6, 0x1ff, 0x80000000, 0x101, 0x2, 0x8, 0x0, 0x2cb7bbc1, 0x1, 0x7, 0x5, 0x4, 0x1, 0x80, 0xffffffff, 0xfffffffb, 0x3, 0x1ff, 0xf9ce, 0x200, 0xffff, 0xf8, 0x4, 0x20, 0x6, 0x4000, 0x311, 0x4, 0x1000, 0xfffffff8, 0x2000, 0x8001, 0x7, 0x3, 0x4, 0x3, 0x1, 0x8, 0xa5, 0xcb67, 0xfffffff8, 0x4, 0x0, 0x4, 0x2, 0x80000001, 0x2, 0x40, 0x8, 0xf5e0, 0x2b, 0xffffffff, 0x40, 0x2, 0x9dc, 0x9, 0xf0000000, 0x0, 0x6, 0x5, 0x0, 0x1, 0xfffffff9, 0x9d, 0x1ff, 0x7f, 0x4, 0x0, 0x93a, 0x9, 0x9, 0x1, 0x401, 0x0, 0x57f, 0x0, 0xffffffc0, 0x80, 0x80000001, 0x400000, 0x6, 0xa44a, 0x9, 0x80, 0x6, 0x5, 0x0, 0x3, 0x1, 0xd8dd, 0x9, 0x7, 0x5, 0x4, 0x3, 0x1000, 0x7, 0x1, 0xfffffffb, 0x7, 0xfffffb67, 0x956, 0xde96, 0x3ff, 0x0, 0x8, 0x2, 0x2, 0x0, 0x2, 0xf222, 0x6, 0x7, 0x4, 0x0, 0x1ff, 0x9d, 0x0, 0x800, 0x8, 0x1, 0x1, 0x2, 0xff, 0x9f, 0xb4, 0x8, 0x7fff, 0x7, 0x8, 0x6, 0xe98, 0x1f, 0x6, 0x4299, 0x8000, 0x1, 0x101, 0x7, 0x73, 0xffff, 0x8, 0x100, 0x62, 0x2, 0x7, 0x13, 0x6, 0x81, 0x7fff, 0x80000001, 0x1ff, 0x74248c49, 0x5, 0x5, 0x8, 0x0, 0x0, 0x0, 0x5, 0x10000, 0x9, 0x9, 0x7f, 0x6, 0x1, 0x6, 0x1000, 0x1, 0x3, 0x2, 0x3ff, 0x401, 0xf, 0x0, 0x2, 0x5, 0x5, 0x3f, 0xc5ae, 0x5344, 0x0, 0x2, 0x3ff, 0x6, 0xffff, 0x800, 0x100, 0x1f, 0x1, 0x180, 0x7, 0x3ff, 0x180, 0x40, 0xfff, 0x1000, 0x0, 0x4, 0x101, 0x20, 0x10001, 0x8, 0x7, 0x6, 0x0, 0x2, 0x1e, 0xff, 0x0, 0x6, 0x1ff, 0x2, 0x80000000, 0x4, 0x8001, 0x9, 0x2f6a, 0x80, 0xffffffff, 0x9, 0x6, 0x400, 0x2, 0x9, 0x1, 0x8, 0x0, 0x2, 0x8, 0x7, 0xfff, 0x8, 0x80000000, 0x6, 0x7ff, 0x7f, 0x8, 0x2, 0x9, 0x0, 0x3, 0x0, 0xda, 0x4, 0x5, 0x80000000, 0xd050, 0x1, 0x2, 0x7, 0x80, 0x5ac, 0x60000000, 0x9, 0x9, 0x0, 0x3, 0x6, 0x4, 0x3ff, 0x8, 0x1, 0xfffffffa, 0x1b4a, 0x5, 0x221, 0x8, 0x3, 0x99a1, 0x0, 0x2, 0x2, 0x9, 0x101, 0x9, 0x44, 0x80000000, 0x3ff, 0x7, 0x20, 0x9, 0x8, 0xda, 0x1, 0x4, 0x1, 0x4, 0xef2, 0x1ff, 0x6, 0x0, 0x7, 0x0, 0x0, 0x800, 0x3, 0x8, 0x0, 0xd4, 0x5, 0x8000, 0x83, 0x4, 0x10000, 0x7f, 0x9, 0x1, 0xaa, 0x80, 0x5, 0x7fff, 0x7f, 0x5, 0x6, 0x80000000, 0x6, 0x1, 0x7, 0x152d305b, 0x3, 0x0, 0x0, 0x8, 0x59, 0x7, 0xfffffffe, 0xfffffd7f, 0x1, 0x3, 0xfffffff7, 0x1ff, 0x6b90, 0x3, 0x40, 0x1, 0x4, 0xa8c, 0x69, 0x0, 0x6, 0xfff, 0x3, 0xc2c, 0x9, 0x7, 0x0, 0x10, 0xfffffffe, 0x0, 0x6, 0xfffffff8, 0x1, 0x5, 0x8, 0x4, 0x0, 0x6, 0x7, 0x5, 0x2, 0x1, 0x0, 0x5, 0x7, 0x400, 0x3, 0x1, 0x7, 0x0, 0xff, 0x2, 0x80000001, 0x3ff, 0x67, 0x3a48403f, 0x7fffffff, 0x9, 0x7f71, 0x9, 0x4, 0x2003, 0x3, 0xa1, 0x822, 0x1ff, 0x6, 0xfffffffb, 0x238, 0x3, 0x2, 0x5, 0x0, 0x0, 0x9, 0x3, 0x1, 0xebd, 0x6f, 0xfffff62a, 0x7, 0x6, 0x40, 0x80000000, 0x400, 0x3, 0xffffffff, 0xffff0001, 0x2, 0x8, 0x3, 0x5, 0xff, 0xffff8000, 0x1, 0x3, 0x3, 0x6, 0x57, 0x0, 0x6, 0x9, 0x3ff, 0x0, 0x80, 0x6, 0x0, 0x7, 0x0, 0x0, 0xffffffff, 0x7, 0x3, 0xfffffff7, 0x10000, 0x4, 0x3, 0x8, 0xb31, 0x5, 0x7ff, 0x40, 0x3ff, 0x5, 0x1ff, 0x1, 0x7], 0x3, 0x400}) openat$cgroup_ro(r0, &(0x7f0000000040)='io.stat\x00', 0x0, 0x0) [ 619.563925] block nbd3: NBD_DISCONNECT [ 619.596309] block nbd3: NBD_DISCONNECT [ 619.618831] audit: type=1804 audit(1625688470.500:320): pid=29290 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/614/cgroup.controllers" dev="sda1" ino=14398 res=1 20:07:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x13270000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x600000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x424000) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x8080) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 619.659366] block nbd5: shutting down sockets 20:07:50 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$hfs(&(0x7f00000005c0), &(0x7f0000000600)='./file0\x00', 0x7, 0x7, &(0x7f0000002940)=[{&(0x7f0000000640)="ad977a775da818c6816972142f0fd4e931b6269b38603235136d15783cdf104bfcea74d020f07052a499df2ae222b6fba4efb224687551fc5403d23dfaac722a4c67297edede174c123ac219ed0349cd0e2cc3acc6a32430609215075e0374f3ed2e6eb4fb14c3f9cbdadfc45d50c5cfbf699f6aa312a01b86807dd4cd5b3f3adb1e6934ee5ba854e1efd66af998d8068b3f8d5b47d51afea507002f6daffe23493b01ce8d6906c3075fc0d4e73a4c22ab669085558e8ddec7c5d46ebcecf2a79c3076577198f1118f0a436d17d96b", 0xcf, 0x10000}, {&(0x7f0000000740)="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", 0x1000, 0xffffffff}, {&(0x7f0000001740)="449867a61127d296b721b4a25c72b3afe6d5d4", 0x13, 0x8}, {&(0x7f0000001780)="0785edf07396ec443a4a3abcd9e55ddde1d67a6335843a27eab02eaee8300078375b90340a3ac512bed2f57d8572d3d183f047b6d54a2d41524b2cf93c849953d9fe0035ee0e1f6293ffa3b60d359d8c049c88a57281976513a43df9b0c6805c75791e0796ee65a9cc8e9339b2d1ce35d7518dce31aa3570a77246952ce3a63906ddc27cc925d2f494a905d48a4956f77f2761ded1c223ee0325ab3e9ad65839a4faa5f46ff71e7edf026c485d57f92ce5208f37a7aa22", 0xb7, 0x10000000000000}, {&(0x7f0000001840)="6ecdf023a9609013a95d47c8c69f336c1ecac8c7eabce14cb3c44eb35639e89a7cbb01e8e193847f9971770c32c6f1ad918f2164bdf9492e7750df517c76d3a2d8c6ca81d609cfd81319ebf49a5d9a3bf315839171809e1b6ce1013a841bdb10c6715007ed71053f1ddf88c7508c4a5d3c47eefc8b33", 0x76, 0xda3f}, {&(0x7f00000018c0)="6127c9747189fafa7b50abb659926b959b5444672331079bddcc1a0707e1f25126348de3ed9caacda3ea17a79526d4f5cbec4af63749fd9225fe7ff3452a09c42b84407210a30a04", 0x48, 0xb9}, {&(0x7f0000001940)="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", 0x1000, 0x1}], 0x1400, &(0x7f0000002a00)={[{@type={'type', 0x3d, "84dde4db"}}, {@session={'session', 0x3d, 0x4}}, {@uid={'uid', 0x3d, 0xffffffffffffffff}}, {@file_umask={'file_umask', 0x3d, 0x9}}, {@uid={'uid', 0x3d, 0xffffffffffffffff}}, {@umask={'umask', 0x3d, 0x497}}], [{@subj_role}, {@fowner_gt={'fowner>', 0xee00}}, {@smackfsdef={'smackfsdef', 0x3d, '\xde&/$'}}, {@appraise_type}, {@subj_type={'subj_type', 0x3d, '/'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2000000, 0x810, r0, 0x403000) r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) preadv(r1, &(0x7f0000000580)=[{&(0x7f00000004c0)=""/136, 0x88}], 0x1, 0x338, 0x7) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f0000000080)={0x1000, {{0x2, 0x4e24, @multicast1}}, 0x1, 0x7, [{{0x2, 0x4e23, @multicast2}}, {{0x2, 0x4e22, @multicast2}}, {{0x2, 0x4e24, @private=0xa010101}}, {{0x2, 0x4e24, @multicast2}}, {{0x2, 0x4e22, @private=0xa010100}}, {{0x2, 0x4e23, @remote}}, {{0x2, 0x4e21, @rand_addr=0x64010100}}]}, 0x410) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0x125e) 20:07:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x10140) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 619.809243] block nbd5: shutting down sockets 20:07:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x511201) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) connect$inet6(r4, &(0x7f0000000000)={0xa, 0x4e21, 0x10000, @dev={0xfe, 0x80, '\x00', 0x3c}, 0x3}, 0x1c) r5 = dup2(r0, r4) r6 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), r4) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f0000000180)={'wlan0\x00', 0x0}) r8 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r8, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) preadv(r8, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmsg$NL80211_CMD_GET_MESH_CONFIG(r8, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x20, r6, 0x2, 0x70bd25, 0x25dfdbfe, {{}, {@void, @val={0xc, 0x99, {0xf78c, 0x6f}}}}, ["", "", "", "", "", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x41}, 0x48011) sendmsg$NL80211_CMD_FLUSH_PMKSA(r5, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="10000000", @ANYRES16=r6, @ANYBLOB="000826bd7000ffdbdf253600000008000300", @ANYRES32=r7, @ANYBLOB], 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x40000) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = syz_mount_image$bfs(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x2, 0x4, &(0x7f0000000400)=[{&(0x7f0000000140)="c8c4dbf9fed9bc12436d78ef7bb99ed225746e3179ec30aad78fa65c2964fa37ed1a31378dfa1e169944564aa30ec3019714cc0e55d5f51acde094aa5f2bd32f46409749973367b21b9f83044dbc2de3ee1166f956da84dba8218e0445f7f6604f5bd21774f493681354253e10e1a7a1178f4e46489b057c6557c0990528881a2a8938a8b87e0f4ec307a1aa9703d8322c2737353326dd548f99a32bb2ee62d1ce9e57f421cac9394450f298a8151ea4d9818a7e7c24c5965a6354639e55d0fc415f7cafdad01e1560dfe680967b3a8eb9d219", 0xd3, 0x7}, {&(0x7f0000000240)="beba02f00693df3917ee1e122d7f25a0117900069dcebe0301c523e9503cf49299723d3591837b787e970625eeb9d5b5b244224841a926a4e72cc348daa9cdcde4c8305247180c6add93b37c7425bfafa05947f1f0b93fb176868ac0bd93f79a9bb0fe8312963628f1602702b220fdd3c68a6b892bc136852e5bdcdb82996183670eb0f9e80de1c87aa485d418a17ddc489bcfb45375f55519d97043f2fd76e9c3a0af7b971103fcea4b3568c64c6702731e484cd0cffff76031c976a153c2371a4c4102f66e2c6e9d35416c069a1dcd8561f0750adc92f3930372ab10e699", 0xdf, 0x3}, {&(0x7f0000000340)="df8bedfcbfcc310ec453d67d75619a7bfc50d31389dbdd85c0c315303917054e8f6fa600032bb0889adcb0d0a479d70cfc885e1b51a9400564f390d8092c4eb91d221f8a079de65fa4bda4806114", 0x4e, 0xffffffffffffe040}, {&(0x7f00000003c0)="8dc4612cb71bf205ae0152dc2ed2", 0xe}], 0x1000aa, &(0x7f0000000480)={[{'/dev/nbd#\x00'}, {'/dev/nbd#\x00'}, {'/dev/nbd#\x00'}, {'/^,{!^&)$'}, {'*-'}, {}, {'){#\x00['}], [{@pcr={'pcr', 0x3d, 0x18}}, {@euid_eq={'euid', 0x3d, 0xee00}}, {@appraise_type}]}) dup2(r2, r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 619.856453] block nbd3: shutting down sockets [ 619.867677] audit: type=1804 audit(1625688470.750:321): pid=29303 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/614/cgroup.controllers" dev="sda1" ino=14398 res=1 20:07:50 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100006000) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x1d270000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:50 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 619.960649] block nbd3: shutting down sockets 20:07:51 executing program 1: sendmsg$IEEE802154_SCAN_REQ(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="000000caf7e3c3e5d92e6f0946295197afc9b6", @ANYRES16=0x0, @ANYBLOB="03062bbd7000fcdbdf250900000005001300070000000800140018000000"], 0x24}, 0x1, 0x0, 0x0, 0xc080}, 0x44) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x22d40) ioctl$NBD_DO_IT(r0, 0x125e) [ 620.126728] block nbd3: shutting down sockets [ 620.149112] audit: type=1804 audit(1625688471.030:322): pid=29360 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/615/cgroup.controllers" dev="sda1" ino=14398 res=1 20:07:51 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x1f000000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 620.230942] block nbd5: shutting down sockets [ 620.259616] block nbd3: Could not allocate knbd recv work queue. [ 620.269382] block nbd3: shutting down sockets 20:07:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x100) socket(0xf, 0x3, 0x7) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 620.332617] block nbd5: shutting down sockets 20:07:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x200122) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) 20:07:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, r0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:51 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x20000000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) [ 620.571022] block nbd3: shutting down sockets [ 620.612690] block nbd3: Could not allocate knbd recv work queue. [ 620.623580] block nbd3: shutting down sockets [ 620.630783] block nbd5: shutting down sockets [ 620.688710] block nbd5: shutting down sockets [ 620.765016] block nbd0: Receive control failed (result -32) [ 620.768659] audit: type=1804 audit(1625688471.650:323): pid=29364 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/615/cgroup.controllers" dev="sda1" ino=14398 res=1 [ 620.771347] block nbd0: shutting down sockets 20:07:51 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$VIDIOC_G_EXT_CTRLS(r2, 0xc0205647, &(0x7f0000000100)={0x9c0000, 0x80, 0x8, 0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0x990907, 0x9, '\x00', @value=0x5}}) r3 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r3, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r3}], 0x1, 0x1) ioctl$BTRFS_IOC_SUBVOL_SETFLAGS(r3, 0x4008941a, &(0x7f0000000140)=0x2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:51 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x3778c2d6, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat$pidfd(0xffffffffffffff9c, &(0x7f0000000100), 0x503400, 0x0) r2 = dup3(r0, r1, 0x0) ioctl$BTRFS_IOC_ADD_DEV(r2, 0x5000940a, &(0x7f0000000140)={{r1}, "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"}) r3 = creat(&(0x7f0000000000)='./file0\x00', 0x20) r4 = openat$vcsu(0xffffffffffffff9c, &(0x7f00000000c0), 0x610040, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_DO_IT(r3, 0xab03) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x40, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r6, 0xab07, 0x4) 20:07:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x88440) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:51 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100006001) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 620.861008] block nbd0: Could not allocate knbd recv work queue. [ 620.870510] block nbd0: shutting down sockets 20:07:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f00000003c0)=[{&(0x7f00000000c0)=""/112, 0x70}, {&(0x7f0000000140)=""/146, 0x92}, {&(0x7f0000000400)=""/213, 0xd5}, {&(0x7f0000000300)=""/171, 0xab}], 0x4, 0x203, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x0, 0xd9f, 0x7f) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:51 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x44084000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=@ipv4_newnexthop={0x30, 0x68, 0x401, 0x70bd25, 0x25dfdbff, {0x2, 0x0, 0x1, 0x0, 0xa}, [@NHA_GATEWAY={0x14, 0x6, @in6_addr=@mcast2}, @NHA_BLACKHOLE={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x8010}, 0x80) ioctl$NBD_DO_IT(r1, 0x125e) 20:07:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat$incfs(0xffffffffffffff9c, &(0x7f00000000c0)='.log\x00', 0x408941, 0x2) pipe(&(0x7f0000000100)={0xffffffffffffffff}) setsockopt$sock_attach_bpf(r3, 0x1, 0x32, &(0x7f0000000140)=r4, 0x4) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r5, 0x84, 0x64, &(0x7f0000000180)=[@in={0x2, 0x4e24, @local}, @in={0x2, 0x4e22, @initdev={0xac, 0x1e, 0x1, 0x0}}, @in6={0xa, 0x4e20, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @in6={0xa, 0x4e20, 0x6e, @private0, 0xfffffffb}, @in={0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x36}}], 0x68) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) openat$vsock(0xffffffffffffff9c, &(0x7f0000000900), 0x80, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000880)=[{&(0x7f0000000200)=""/195, 0xc3}, {&(0x7f0000000980)=""/4096, 0x1000}, {&(0x7f0000000300)=""/192, 0xc0}, {&(0x7f00000003c0)=""/236, 0xec}, {&(0x7f00000004c0)=""/201, 0xc9}, {&(0x7f00000005c0)=""/214, 0xd6}, {&(0x7f00000006c0)=""/250, 0xfa}, {&(0x7f00000007c0)=""/181, 0xb5}], 0x8, 0x80000001, 0x6000) [ 621.056294] audit: type=1804 audit(1625688471.940:324): pid=29432 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/616/cgroup.controllers" dev="sda1" ino=14392 res=1 [ 621.061718] block nbd5: shutting down sockets 20:07:52 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x3f000000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 621.112519] block nbd3: shutting down sockets 20:07:52 executing program 1: r0 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r0, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r0}], 0x1, 0x1) fadvise64(r0, 0x6, 0x82d3, 0x5) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0x125e) 20:07:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x4fe8c3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 621.148833] block nbd5: Receive control failed (result -32) [ 621.149447] block nbd5: shutting down sockets [ 621.177591] block nbd3: shutting down sockets 20:07:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = accept$alg(0xffffffffffffffff, 0x0, 0x0) r5 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r5, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r5, 0x4}], 0x1, 0x1) fcntl$dupfd(r4, 0x0, r5) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 621.286843] block nbd0: shutting down sockets 20:07:52 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x433c0200, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:52 executing program 1: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x200) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 621.394028] block nbd0: shutting down sockets 20:07:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 621.417453] block nbd3: shutting down sockets 20:07:52 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100006800) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:52 executing program 1: r0 = syz_mount_image$hfsplus(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x6, 0x3, &(0x7f0000000300)=[{&(0x7f0000000100)="498792ede5ab4e0af532fc8f7cf8dea5dbbf4a34f468605d749e388a24325f167b1ef6e1fc5effac976da02205669885be506d88cd6366f13ffa7fb275a98c242c1ea46465260971e15ec133ecadca9ea13aab19632be7171c2ec14e80e1fc8b51d2d296bd4991ea28a479232aad98afab9286a93ea0ebf6c4b1edc1f9f511223d950559a2f0a774", 0x88, 0x3}, {&(0x7f00000001c0)="1fea38bb6f21e9e172b3409c7672a9579463ddfa7777a80627fbe4ba6e94e6ccab058776a4b1bbbd35525d2cc74e36440e9acaa5f45cb66dac93282e0a302c7e0794098658650c4371e7c10f7bc12265ca0dc32cfdb06b554f8fe18da57018f414b8e32555ba14a532fc33134d85118f27fd59e22bdd", 0x76, 0x6}, {&(0x7f0000000240)="fd583159d8877341a67baa5e5e1e8e1ab4c8c758b2d8bc542e79da60cddc2616805e398a8a12a8c18c7c85ae9a3f6e365810b17b84610d9023412b942fb2f45333f5b83926f14ae5a6ce7ebb8e08a43c611a1b07ba7b9e63e80f2748167269a5d60fca0fee029f205a1684f0923e05ad4c9fdae9bc3496415c516ee5cbe6c9b09ffb9733b5a75d754f786597df4ab30279664faa3d057a4fa6f3dda2284aab7ade55ff3253f07a282f80858d6408fc83342c672f54232e37eedef8ebace4ef62", 0xc0, 0xfffffffffffffff9}], 0x8, &(0x7f0000000380)={[{@uid={'uid', 0x3d, 0xffffffffffffffff}}, {}], [{@dont_appraise}, {@obj_user={'obj_user', 0x3d, '/dev/nbd#\x00'}}, {@fsuuid={'fsuuid', 0x3d, {[0x64, 0x33, 0x30, 0x62, 0x38, 0x8bd8cade6cd9acd0, 0x39, 0x35], 0x2d, [0x30, 0x30, 0x33, 0x33], 0x2d, [0x64, 0x30, 0x62, 0x65], 0x2d, [0x36, 0x66, 0x62, 0x38], 0x2d, [0x37, 0x65, 0x30, 0xc, 0x64, 0x7, 0x62, 0x62]}}}, {@fowner_lt={'fowner<', 0xee01}}, {@obj_type={'obj_type', 0x3d, '\\**\')'}}, {@euid_gt={'euid>', 0xee01}}, {@appraise}]}) sendfile(r0, 0xffffffffffffffff, &(0x7f0000000440)=0x1, 0x10001) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$SG_GET_KEEP_ORPHAN(r1, 0x2288, &(0x7f0000000000)) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0x125e) 20:07:52 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x443c0200, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 621.502706] block nbd3: shutting down sockets [ 621.513950] block nbd5: server does not support multiple connections per device. [ 621.534661] block nbd5: shutting down sockets 20:07:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='net/icmp\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x4, 0x0, 0x0, 0x0, 0x0, 0x4, 0x8c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x1, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, &(0x7f00000023c0)=[{&(0x7f00000013c0)=""/4078, 0xfee}], 0x1, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket$inet6_udp(0xa, 0x2, 0x0) sendmsg$NL80211_CMD_SET_WDS_PEER(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) r4 = syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00') preadv(r4, &(0x7f00000017c0), 0xe1, 0x5000000, 0x0) perf_event_open(&(0x7f0000000100)={0x0, 0x80, 0x0, 0xfd, 0x0, 0x0, 0x0, 0xffffffffc6553532, 0xc00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x4, @perf_bp={&(0x7f00000001c0), 0x3}, 0x435b5b2650c7256b, 0x0, 0x0, 0x3, 0x80000000005}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) r5 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000040)={'veth0_to_bond\x00'}) ioctl$SIOCSIFHWADDR(r5, 0x400454d1, &(0x7f00000000c0)={'veth0_to_hsr\x00', @multicast}) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) 20:07:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0xf807c8289a6d0422) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r4 = socket(0x4, 0x2, 0xffffffff) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 621.617839] hfsplus: invalid uid specified [ 621.641873] block nbd5: Device being setup by another task [ 621.649884] hfsplus: unable to parse mount options [ 621.660507] block nbd5: shutting down sockets 20:07:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x10402) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 621.675159] audit: type=1804 audit(1625688472.550:325): pid=29516 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/617/cgroup.controllers" dev="sda1" ino=14336 res=1 20:07:52 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x453c0200, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 621.797175] block nbd3: shutting down sockets [ 621.798924] hfsplus: invalid uid specified [ 621.816181] hfsplus: unable to parse mount options 20:07:52 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100007000) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 621.854735] audit: type=1804 audit(1625688472.740:326): pid=29525 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/617/cgroup.controllers" dev="sda1" ino=14336 res=1 [ 621.891815] block nbd0: shutting down sockets [ 621.894024] block nbd3: shutting down sockets 20:07:52 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = openat$full(0xffffffffffffff9c, &(0x7f00000000c0), 0x4080, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) [ 621.972973] block nbd0: Could not allocate knbd recv work queue. [ 621.979584] block nbd0: shutting down sockets 20:07:52 executing program 1: r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000040)={[0x1000]}, 0x8, 0x80800) write$UHID_INPUT2(r0, &(0x7f0000000100)=ANY=[@ANYBLOB="0c0000006b00093b0309718891facafaac3048fdd37680ef0b480d55b6de5ea3639f553528f9c27f7912f955ea6803402fc79a25ec6d192f462939bdcbd9aed86a0864a96fcf0e428074cbaca1bd25828744cae0cab9dd4c7b5d4561a65a0ab721f9f7c1ff5228f6cb4e50a42dd59f84a8"], 0x71) getsockname$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000000080)=0x14) r1 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x501d43) ioctl$NBD_DO_IT(r1, 0x125e) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x40010, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) write$UHID_CREATE2(r3, &(0x7f0000000180)=ANY=[@ANYBLOB="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"], 0x1118) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 20:07:52 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x463c0200, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x2240) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab08) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80101) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 622.162549] block nbd0: NBD_DISCONNECT [ 622.212711] block nbd3: shutting down sockets [ 622.217450] audit: type=1804 audit(1625688473.100:327): pid=29581 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/618/cgroup.controllers" dev="sda1" ino=14321 res=1 [ 622.248773] block nbd0: Disconnected due to user request. [ 622.279270] block nbd0: shutting down sockets [ 622.301249] block nbd3: shutting down sockets 20:07:53 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x473c0200, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x5) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) preadv(r0, &(0x7f0000000300)=[{&(0x7f0000000080)=""/169, 0xa9}, {&(0x7f0000000140)=""/237, 0xed}, {&(0x7f0000000240)=""/179, 0xb3}], 0x3, 0x9, 0x1) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x202) ioctl$NBD_DO_IT(r0, 0x125e) [ 622.339283] block nbd0: NBD_DISCONNECT [ 622.353085] block nbd0: Could not allocate knbd recv work queue. [ 622.359332] block nbd0: Disconnected due to user request. [ 622.370840] block nbd0: shutting down sockets 20:07:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:53 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100007800) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 622.526460] block nbd0: shutting down sockets [ 622.528618] block nbd3: shutting down sockets [ 622.582073] block nbd0: shutting down sockets [ 622.632183] block nbd3: Receive control failed (result -32) [ 622.655592] block nbd3: shutting down sockets [ 622.692722] block nbd5: Receive control failed (result -32) [ 622.699315] block nbd5: shutting down sockets [ 622.736716] block nbd5: Could not allocate knbd recv work queue. [ 622.747235] block nbd5: shutting down sockets 20:07:53 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) recvmsg(r3, &(0x7f0000000840)={&(0x7f00000000c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote}}}, 0x80, &(0x7f0000000880), 0x0, &(0x7f0000000800)=""/32, 0x20}, 0x40000000) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:53 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x48000000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r1, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r1}], 0x1, 0x1) dup3(r1, r0, 0x0) 20:07:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:53 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x681402) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:53 executing program 3: ioctl$PIO_SCRNMAP(0xffffffffffffffff, 0x4b41, &(0x7f0000000380)="e7521dc7fd3759dad54d585c0e0015aa997b273da8d1981b13d41e7322ab97c3b85d2128c7fa2494a14258226ca3f5e914ffff3c623b7b1c7dede76947e3d2e2b267c9559eac16045867ba07f0684fefff65ec7440fcf3fa7d380e84742dd1dba037bfa1dd24e1eac875c84c251163b1ab68830c766cfc4d2612c0e8450e4d5312a057b8f58ba1f059cd7809a038892972becb369c97a7dc7650b628386e1ae7be594e030592e4ef74719c49e4b7a4de9908c6a3cc05") r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x400000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_mount_image$bfs(&(0x7f0000000140), &(0x7f0000000180)='./file0\x00', 0x10000, 0x1, &(0x7f00000002c0)=[{&(0x7f00000001c0)="eed2beb412083b8acc3eabff87c9a0d9bb81217a586d7e53c596048fd35575df014793808af32ac96fa8def2744d9060606eef65b14969a8f0d37f5f350c2f6bf34e0acca3c3a7596d42288e5e157597b36e0d0eb81e1abfba09032866a542671975b5288505652d5c358051c545bd6bae01b6d0f2e516f4c7d643edc365ec51eeb86cffaed9c204594ebc8f088d09a25aa391ffe0c2ab5fae16abd3a4110bf206d7c22e7f46432693b664f29ef9a10684ce19441a9a7040f5b47c2d17646d5db77c9ccdd35814ecb8dd49231638128581", 0xd1, 0x7}], 0x100020, &(0x7f0000000300)={[{'5&@[$,(%)'}, {',}'}, {}, {'/dev/nbd#\x00'}, {'/dev/nbd#\x00'}, {'%(#\\'}, {'/dev/nbd#\x00'}], [{@hash}, {@subj_role={'subj_role', 0x3d, 'A@'}}, {@measure}, {@smackfsfloor={'smackfsfloor', 0x3d, '/dev/nbd#\x00'}}, {@uid_lt={'uid<', 0xffffffffffffffff}}]}) r4 = openat(r3, &(0x7f0000000100)='./file0\x00', 0x0, 0x2) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:53 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r2 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f0000000180)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_MCAST_RATE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000200)={0x1c, r1, 0x203, 0x0, 0x0, {{}, {@val={0x8, 0x3, r3}, @void}}}, 0x1c}}, 0x0) sendmsg$NL80211_CMD_VENDOR(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r1, 0x400, 0x70bd2c, 0x80, {{}, {@val={0x8, 0x1, 0x18}, @void, @void}}, [@NL80211_ATTR_VENDOR_ID={0x8, 0xc3, 0x101}, @NL80211_ATTR_VENDOR_ID={0x8, 0xc3, 0x1}, @NL80211_ATTR_VENDOR_SUBCMD={0x8, 0xc4, 0x1}, @NL80211_ATTR_VENDOR_SUBCMD={0x8, 0xc4, 0x40}]}, 0x3c}, 0x1, 0x0, 0x0, 0xc0}, 0x8001) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0x125e) 20:07:53 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x483c0200, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 622.957371] block nbd0: shutting down sockets [ 622.973142] block nbd5: shutting down sockets [ 623.048704] block nbd0: shutting down sockets [ 623.070732] block nbd5: Receive control failed (result -32) [ 623.071332] block nbd5: shutting down sockets 20:07:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) r1 = syz_open_procfs(0x0, &(0x7f0000000100)='timerslack_ns\x00') r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000748000/0x4000)=nil, 0x4000, 0x1800001, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r1) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) 20:07:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x204000) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:54 executing program 1: r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x371500) ioctl$IOCTL_VMCI_DATAGRAM_RECEIVE(r0, 0x7ac, &(0x7f00000004c0)={&(0x7f0000000080)={{@any, 0x80}, {@hyper, 0x2}, 0x400, "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"}, 0x418, 0xb54}) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0x125e) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$IOCTL_VMCI_VERSION2(r2, 0x7a7, &(0x7f0000000500)=0x80000) ioctl$IOCTL_VMCI_GET_CONTEXT_ID(r2, 0x7b3, &(0x7f00000009c0)) ioctl$IOCTL_VMCI_DATAGRAM_SEND(r2, 0x7ab, &(0x7f0000000980)={&(0x7f0000000540)={{@host, 0x8bdc}, {@host, 0xfffffd28}, 0x400, "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"}, 0x418, 0x20}) 20:07:54 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x100008100) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:54 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x1311c0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat$binder_debug(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/binder/failed_transaction_log\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mmap(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x3000000, 0x50, r0, 0x2ec6a000) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:54 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x493c0200, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = signalfd(r0, &(0x7f0000000000)={[0x80f]}, 0x8) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:54 executing program 3: ioctl$SOUND_PCM_READ_BITS(0xffffffffffffffff, 0x80045005, &(0x7f00000000c0)) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDCTL_DSP_SETFRAGMENT(0xffffffffffffffff, 0xc004500a, &(0x7f0000000180)=0x6) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r2, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r2}], 0x1, 0x1) r3 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r3, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r3}], 0x1, 0x1) r4 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r4, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r4}], 0x1, 0x1) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) poll(&(0x7f0000000140)=[{r2, 0x8}, {r1, 0x40}, {r3, 0x40}, {r4, 0x60}, {r1, 0x8010}, {r5}], 0x6, 0x3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r6) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 623.563272] block nbd0: shutting down sockets 20:07:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x8) fcntl$setflags(r0, 0x2, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:54 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x4c000000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 623.672821] block nbd0: shutting down sockets 20:07:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f00000000c0), 0x44002, 0x0) ioctl$BLKSECDISCARD(r3, 0x127d, &(0x7f0000000100)=0x1) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 623.723116] block nbd0: Device being setup by another task [ 623.808491] block nbd3: shutting down sockets [ 623.881663] block nbd0: shutting down sockets [ 623.922993] block nbd3: Receive control failed (result -32) [ 623.929298] block nbd3: shutting down sockets [ 623.987454] block nbd0: Receive control failed (result -32) [ 623.993983] block nbd0: shutting down sockets [ 624.086924] block nbd5: Receive control failed (result -32) 20:07:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socket$kcm(0x29, 0x2, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x40800) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x4000) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x105800) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:55 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x68000000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r4, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r4}], 0x1, 0x1) sendfile(r2, r4, &(0x7f00000000c0)=0x1, 0x401) 20:07:55 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000a000) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x400000, 0x0) ioctl$BLKTRACESTART(r3, 0x1274, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 624.132554] block nbd5: shutting down sockets 20:07:55 executing program 1: ioctl$ASHMEM_PURGE_ALL_CACHES(0xffffffffffffffff, 0x770a, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(0xffffffffffffffff, 0x40087703, 0x1) ioctl$NBD_DO_IT(r0, 0x125e) r1 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r1, 0xc0045516, &(0x7f0000000080)=0x20005) poll(&(0x7f00000008c0)=[{r1}], 0x1, 0x1) dup3(r1, r0, 0x80000) [ 624.243577] block nbd0: shutting down sockets 20:07:55 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x6c000000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 624.299728] block nbd3: shutting down sockets [ 624.300166] block nbd5: shutting down sockets [ 624.322512] block nbd0: shutting down sockets 20:07:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x10480, 0x4) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000100), 0x6e4823c627aa6808, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 624.371282] block nbd3: shutting down sockets [ 624.387967] block nbd5: shutting down sockets 20:07:55 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x74000000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r4, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r4}], 0x1, 0x1) r5 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r5, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r5}], 0x1, 0x1) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(r5, 0xc0405519, &(0x7f0000000200)={0x9, 0x5, 0x6, 0x80000000, '\x00', 0x100}) fcntl$F_SET_FILE_RW_HINT(r4, 0x40e, &(0x7f00000000c0)=0x2) ioctl$NBD_DO_IT(r3, 0xab03) r6 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8000, 0xbc) ioctl$FS_IOC_MEASURE_VERITY(r6, 0xc0046686, &(0x7f0000000140)={0x2, 0xab, "0f872c55cea3b7aa668e6a09c4c4da7181979f795c4a51fb7cf40e8ece24da30ed5183e3c01a53f1ac8d7d9db01d1c7c3e7e20078221a6abd6d56fcdeadf12770125852bb40e8319c97f8b668861bd26905bc8f9f1fd4d2f6dcfc8122401d39c4de6f3763846e8741732a07f51a073848d3e7b49b5dabfa138800796801079d6407764323366c70d045e7ca532f3c82c62a1c3d585c55bffce199494e5246b1af96cc8fa7d28f85293a01e"}) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x8800) r2 = syz_open_dev$vcsa(&(0x7f00000000c0), 0x4bd0363a, 0x4600) ioctl$VT_RESIZE(r2, 0x5609, &(0x7f0000000100)={0x3, 0xf000, 0x8e}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup2(r0, r4) r6 = socket(0x2b, 0x80000, 0xe8) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$KVM_SET_VAPIC_ADDR(0xffffffffffffffff, 0x4008ae93, &(0x7f0000000340)=0x10000) r8 = ioctl$TIOCGPTPEER(r5, 0x5441, 0x7fffffff) writev(r8, &(0x7f0000000300)=[{&(0x7f0000000140)="080bebb9fef00f90e4f6ab3dc8d1c22e20ced9bfca2f9eb6b4c1db5ce1c43d9561d137c2f71f222269244d0c0dd05aac62", 0x31}, {&(0x7f0000000180)="b3a96349d59565148ecbf0299ad2ded9a6f31959dacadc10cf631a9823fb521c64aa832a705e73d7c9bb93645b8646380229c1ed0604fe339be9d808c9313d588cf81be2625f59", 0x47}, {&(0x7f0000000200)="cff839dfd107b04d044ca41cbcded43f894103127d80a51ce3af42df6918af8e397a26ec7e1adfc02a1471c21175d0fbd5d727b1157080b11046b67b314d75daf425003607759ab2d7ec6d1785813898a041fd7f528d6533c443622a9be9a3759c8d69c71af1e66df50ce05efb153fcd957a3314e355b9720483027c3ef857c6bed924269ae61f98092799035e5413cd8971a0545e9c295fde414f5501dfdd1e501936f2af888200ffe4136a67de81de917fd9538786184beae0f8a3a8c8a120b59d809e6d759aaeccdaa39cc7718a80292a9cabb3b23124b65eda98cf73f1", 0xdf}], 0x3) r9 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='/proc/self/exe\x00', 0x492001, 0x13d) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r9, 0x0) preadv(r9, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$sock_SIOCETHTOOL(r9, 0x8946, &(0x7f0000000380)={'veth1_to_team\x00', &(0x7f0000000500)=ANY=[@ANYBLOB="1d0900000000000000000014000000ffffffff0000f40005000000f900000000000000000000000800000000000000ff010000000005000200000000200000a9a8c3f65cbc74db15021319ec9a07486d8b8b9be5baeda45dab4e95c5a369e319728d8c443c6ddca8d99c57e928d7a888807e2a393a521c52a48ffae97113c795ac471270a5b14b07945f9b4e6df137c5e421e3ea7b746afbc02371bc378ecb4eaeb407328254b447c42001e24c4d3a56e2a323b295c72210d6db03917cf9dec2f3aa7783265700"]}) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x80, 0x0, 0x20, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xe1}]}, 0x80}, 0x1, 0x0, 0x0, 0x1}, 0x8080) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000180), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(r2, 0x8933, &(0x7f0000000040)={'wpan0\x00', 0x0}) sendmsg$NL802154_CMD_SET_SHORT_ADDR(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="e6260b2f2b5e9396fe9c00c0070000d700a7b00a27f1d3f6c0580aacb800", @ANYRES16=r3, @ANYBLOB="010000000000000000000b00000008000300", @ANYRES32=r4, @ANYBLOB], 0x1c}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$ieee802154(&(0x7f00000003c0), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_802154(r8, 0x8933, &(0x7f0000000b40)={'wpan0\x00', 0x0}) sendmsg$IEEE802154_LLSEC_DEL_DEV(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000500)={0x1c, r6, 0x1, 0x0, 0x0, {0x28}, [@IEEE802154_ATTR_DEV_INDEX={0x8, 0x2, r9}]}, 0x1c}}, 0x0) ioctl$sock_SIOCGIFINDEX_802154(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'wpan3\x00'}) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ieee802154(&(0x7f00000003c0), r10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_GET_INTERFACE(r1, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x3c, r3, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r9}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x3}, @NL802154_ATTR_IFINDEX={0x8}, @NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x2}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4}, 0x4040000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 624.591521] block nbd5: Receive control failed (result -32) [ 624.599789] block nbd5: shutting down sockets [ 624.618293] block nbd0: shutting down sockets [ 624.624579] block nbd3: shutting down sockets 20:07:55 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x7a000000, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 624.661867] block nbd5: Receive control failed (result -32) [ 624.668305] block nbd5: shutting down sockets [ 624.696916] block nbd0: shutting down sockets [ 624.708869] block nbd3: shutting down sockets 20:07:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x40201) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x400) r3 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x507540) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r4, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r4}], 0x1, 0x1) fallocate(r3, 0x14, 0x720, 0x20) mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x0, 0x10, r4, 0x888b3000) r5 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) mmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x8, 0x11, r3, 0xe0720000) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r5, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0), 0x0, 0x1) dup2(r1, r5) 20:07:55 executing program 0: bind$vsock_stream(0xffffffffffffffff, &(0x7f0000000080)={0x28, 0x0, 0x2711}, 0x10) r0 = accept4$x25(0xffffffffffffffff, &(0x7f0000000740)={0x9, @remote}, &(0x7f0000000780)=0x12, 0x80000) sendmsg$inet(r0, &(0x7f0000000a00)={0x0, 0x0, &(0x7f0000000900)=[{&(0x7f00000007c0)="55f0fb1212f404bcd9b034506b82639955019e84df089101fcb7b660a6edf7ef9a13dbe1d1d28d1cd68bec01a4f450aa3315789f84a97f1b80f29c9fb2e5f3200bb3a4ffd40a74ceb57bf8ea72db2835416e02083a057b7026c6404f3b99c62a056936c1af183fd2c48a8a23c408482bbafbb38bf951132d8db70d6bb460b40c", 0x80}, {&(0x7f0000000840)="15d92b9e259a96d907b1b9635b25ecb72bf52b3892949489710843fef5b69cfa5ff6aeb7633719b2658e98520d361320619dbe473a7d97f629f5833182b45b1e27d1fa8146fe58c9757fd0dc8900e735a284f3caaa25f0fababb5a3a342bd22c821ccdbe99600c6efd489ca2962d7ba5cc969c50208a3e09d960fc6e84bdb9a398c429cfd5404f30c07e1541e6d700b3a3e5d930152e98e7dbf27b", 0x9b}], 0x2, &(0x7f0000000980)=[@ip_ttl={{0x14, 0x0, 0x2, 0xcf8c}}, @ip_pktinfo={{0x1c, 0x0, 0x8, {0x0, @broadcast, @initdev={0xac, 0x1e, 0x1, 0x0}}}}, @ip_ttl={{0x14, 0x0, 0x2, 0x62b4}}], 0x50}, 0x10) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r5 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x101000, 0x0) preadv(r5, &(0x7f00000006c0)=[{&(0x7f0000000140)=""/255, 0xff}, {&(0x7f0000000240)=""/183, 0xb7}, {&(0x7f0000000300)=""/13, 0xd}, {&(0x7f0000000340)=""/220, 0xdc}, {&(0x7f0000000440)=""/200, 0xc8}, {&(0x7f0000000540)=""/236, 0xec}, {&(0x7f0000000640)=""/103, 0x67}], 0x7, 0x10001, 0x7) 20:07:55 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000a001) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DO_IT(r0, 0x125e) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:55 executing program 3: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) getsockopt$sock_buf(r5, 0x1, 0x1c, &(0x7f0000000000)=""/80, &(0x7f0000000080)=0x50) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) [ 624.882782] block nbd5: shutting down sockets 20:07:55 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x8cffffff, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 624.937061] block nbd0: shutting down sockets [ 624.942153] block nbd5: shutting down sockets 20:07:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x420480) r3 = socket$packet(0x11, 0x3, 0x300) recvmsg(r3, &(0x7f0000000440)={&(0x7f0000000100)=@pppoe={0x18, 0x0, {0x0, @dev}}, 0x80, &(0x7f00000003c0)=[{&(0x7f0000000980)=""/4096, 0x1000}, {&(0x7f0000000180)=""/46, 0x2e}, {&(0x7f00000001c0)=""/134, 0x86}, {&(0x7f0000000280)=""/168, 0xa8}, {&(0x7f0000000340)=""/66, 0x42}], 0x5}, 0x6362cd5264cd43ad) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:55 executing program 1: socket$nl_route(0x10, 0x3, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) [ 625.043071] block nbd0: shutting down sockets 20:07:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x373480) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) fcntl$lock(r1, 0x7, &(0x7f0000000080)={0x1, 0x3, 0xfffffffffffffffc, 0x9, 0xffffffffffffffff}) [ 625.078551] block nbd3: shutting down sockets [ 625.091751] kauditd_printk_skb: 7 callbacks suppressed [ 625.091773] audit: type=1804 audit(1625688475.970:335): pid=29866 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/622/cgroup.controllers" dev="sda1" ino=14350 res=1 20:07:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2040) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, 0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000780)={&(0x7f00000000c0)=@in={0x2, 0x4e20, @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x80, &(0x7f00000004c0)=[{&(0x7f0000000140)="26ea1e3848e1e7f4d3e3bae76eb56ae1aef39c5ef17e80e96787da812e5a4dede5cb7ecb34a90a6242c5e2cf840b1b10a9e4daf60b97b1fe0fd124af518b668af6f885d947206af3cb29b2089c62d72e8eff29ce2a260c10f4a0b1635f500f8905a196926f47e385ce1fa53e29747c6114d959a4ed77dfe2f7dbd9abf903360243b1bcaf1450a6c9bd1ba266869c822797bcae58c9f66fc2cfeced0f9abf74e44522e5aa122419aaf92e672dce614b538665ff4b5b9b5c6285c4ee7187f966", 0xbf}, {&(0x7f0000000200)="bc99a75375ded46c032ec015f98396dbe456ba5deefca1f45667d1f74a09692726cdf015582d06a4be7b8f060ea43e969e214f37a2bf3007ae5f71", 0x3b}, {&(0x7f0000000240)="17125b43b150099c98053faf25d3eaa851d2525e8b1264af3d5a9c79aec9a1319184f597d68a0147436183d13da55cb26a2f653c95ed96e7279a81f8ddc06904f71e2874a8b622f011836d634e", 0x4d}, {&(0x7f00000002c0)="39b89811fde061f6690c02a7fa4ad48d3150cc310390892dfac71b45badd10a9cb3fef70a0b438dbbcc8f06f64c9711d93e318b8410d8078ffa42145c3bebd58a52e231bcc861629fbe3d1abd683e377ba08f152d457ffec8f4d", 0x5a}, {&(0x7f0000000340)="944a4c6829fff91d06d9ec4ef5342b4b2f73b739d85a9428df84b66270aeeb7f3df87a4ef2a615a17a37be379fb7a0b4944f57d1e765750ef4", 0x39}, {&(0x7f0000000380)="448f67e89a0485d765584492b66a5299a5faf153e2dd32", 0x17}, {&(0x7f00000003c0)="8e917865f9b304d928420f21ac65620cd9d32376988bbb80ec5bfaf8f74097cdb80bdbe03e9ece70413616e9b0182e42135e2884708390d8c23bcf0c6ee3cca05a3c28c23532c60b1fca39044342086737d96b1af139ec73a68c92e36b4457f1e1f2e5d435da24f4705d652b8381ceaebeb0837af0b4d4494aa007caf675490a231aaa177ba19f98747b7fd91b016dd9244ff30c8f49235373d02949b3502a086a3b377ae253adec6d0eaeb27177e3d61b79e168f48d41b07cc1481d50eeffbc6f41008ba80bf3335da0c8918891937c480b08c17b913c1ca8eeb63f3b2c0aa1ba6648", 0xe3}], 0x7, &(0x7f0000000540)=[{0x50, 0x10f, 0x4, "2f6c7db60132055429275c7e49a7bd0f6a68ac61648001d3c9539e3663975bad3e2aeedaeabda2766021a8a5f8e821fcb32c48024b048eea4102547e8fd225ed"}, {0x50, 0x112, 0x3ff, "fb3228b7558a14410c68c94a734a0582edef91dfe8f33ce0257d56a7861c569d4c1988e308b2f7799c997a773b353e97b67cf45795128f769da23afe97bd07"}, {0xb8, 0x103, 0x7, "87effdb93526db85a010b1923e1523977535e484d03929e281db71e31e13b787a2971584826ce93c054a9d2ee3ee5655e7b7e23ce3c24315daab020e62bba8876b59d1f2e88fdd6f5c2379db4871fb63982611e5246ba94bbe558c80c020b381e066ac0fe56a50256e417c723fd9ab85dbc120af76ef05d214866b6a454f4f758dbd71a9e773a7b72c704298af59b42c1ef9c6556f3cf2efd61eaea43d5b6c8ef59d1923f3"}, {0xb0, 0x109, 0x7fff, "d651ac4f77389bfc7c4740f0c7c25c1edd3d06f8b730838ee99209ef300f335f4ba67cd0abe8107f68f7d89cf81609688c7754eb7e62771f3dff7b936e7865f793736f7ccc0b50c158d59633e100b8d4b923afafeb498ac4accc224e4e2bfbe156fb6c9d02c635c2c9d3e6c404204261af3928c6d9a161bbedf6631d0a875e14347a81c9da5dca2eea1fd20807e3c6b34ce365beb27001c55e25f3c23604f2"}], 0x208}, 0x4400) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x80300) sendmsg$unix(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000040)=@abs={0x1, 0x0, 0x4e20}, 0x6e, &(0x7f0000000200)=[{&(0x7f00000000c0)="91254ba9bb0607b0cf3d577b808464dd9c08eda0925e520c4c4ae76da575060a15c6dc20d2da07a5f149f261878fdc470ccfc151850e38ed729f8170fcd5805a539153278ac20dc871e15eb04bb2e48fa504c2b7573c9ca87cb4c83d96c2f225474eb48df807fec78f778f8576412a9eae40", 0x72}, {&(0x7f0000000140)="7faef317448bad0ab3c021eb85e44f951589f5f0826aeaac6f56cdde90a47e3065dd7ad4695de23cc1d449ca2f693e01753a37ac234052c5cafa53b93c8b65e77f685226deb2105e11b17eb0c4a3866417ecadee", 0x54}, {&(0x7f00000001c0)="c399ddbc5ee1813ea3ab5c29232024af1c9167e01959a09ccba39cfc98d18e47dd1d8b73cf5c952a30ba01ad741eddae1c87bb985ead", 0x36}], 0x3, 0x0, 0x0, 0x800}, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) [ 625.164293] block nbd3: Could not allocate knbd recv work queue. [ 625.170953] block nbd3: shutting down sockets 20:07:56 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:56 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0x97ffffff, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 625.377200] block nbd5: shutting down sockets [ 625.414106] ieee802154 phy1 wpan1: encryption failed: -22 [ 625.432884] audit: type=1804 audit(1625688476.320:336): pid=29879 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/622/cgroup.controllers" dev="sda1" ino=14350 res=1 [ 625.458829] block nbd5: Could not allocate knbd recv work queue. [ 625.460896] audit: type=1804 audit(1625688476.320:337): pid=29866 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/622/cgroup.controllers" dev="sda1" ino=14350 res=1 [ 625.472404] block nbd5: shutting down sockets 20:07:56 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000c000) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x101040) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000100)={&(0x7f00000000c0)=[0x2, 0x7f, 0x0, 0x800], 0x4, 0x80000, 0x0, 0xffffffffffffffff}) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x200) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:56 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r4 = bpf$ITER_CREATE(0x21, &(0x7f00000000c0)={r3}, 0x8) ioctl$LOOP_SET_BLOCK_SIZE(r4, 0x4c09, 0x3) 20:07:56 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xd6c27837, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 625.572206] block nbd0: shutting down sockets [ 625.667292] block nbd0: Receive control failed (result -32) [ 625.667416] block nbd0: shutting down sockets 20:07:56 executing program 1: getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000000080)={0x0, 0x8, 0x30, 0x6, 0x5}, &(0x7f00000000c0)=0x18) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={r0, 0x0, 0x30}, 0xc) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0x125e) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 625.744715] block nbd5: shutting down sockets 20:07:56 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xe0ffffff, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x800, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 625.812560] audit: type=1804 audit(1625688476.700:338): pid=29946 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/623/cgroup.controllers" dev="sda1" ino=14432 res=1 [ 625.846287] block nbd5: shutting down sockets 20:07:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) flock(r1, 0xb) 20:07:56 executing program 1: r0 = socket$phonet_pipe(0x23, 0x5, 0x2) epoll_ctl$EPOLL_CTL_DEL(0xffffffffffffffff, 0x2, r0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0x125e) 20:07:56 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xe4ffffff, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 625.953028] audit: type=1804 audit(1625688476.840:339): pid=29954 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/623/cgroup.controllers" dev="sda1" ino=14432 res=1 20:07:56 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000c001) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 626.002535] block nbd0: server does not support multiple connections per device. [ 626.028310] block nbd0: shutting down sockets [ 626.110405] block nbd5: shutting down sockets [ 626.111737] block nbd0: Device being setup by another task [ 626.149016] block nbd0: Receive control failed (result -32) [ 626.155643] block nbd0: shutting down sockets [ 626.173113] block nbd5: shutting down sockets 20:07:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xf4ffffff, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 626.233536] audit: type=1804 audit(1625688477.120:340): pid=29993 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/624/cgroup.controllers" dev="sda1" ino=14283 res=1 20:07:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x12000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x84000) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:57 executing program 1: ioctl$KDSKBMODE(0xffffffffffffffff, 0x4b45, &(0x7f00000004c0)=0x2) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x0, 0xd9e, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000000), 0x6080, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SIZE(r3, 0xab02, 0xff) ioctl$NBD_DO_IT(r0, 0x125e) r5 = accept4$llc(r4, &(0x7f00000000c0)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, &(0x7f0000000100)=0x10, 0x800) preadv(r5, &(0x7f0000000440)=[{&(0x7f0000000140)=""/127, 0x7f}, {&(0x7f00000001c0)=""/234, 0xea}, {&(0x7f00000002c0)=""/86, 0x56}, {&(0x7f0000000340)=""/81, 0x51}, {&(0x7f00000003c0)=""/71, 0x47}], 0x5, 0x4, 0xfffffff9) [ 626.459899] block nbd3: Receive control failed (result -32) [ 626.502390] block nbd3: shutting down sockets 20:07:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x8200) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x100) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:57 executing program 1: getsockopt$IP_VS_SO_GET_SERVICE(0xffffffffffffffff, 0x0, 0x483, &(0x7f0000000080), &(0x7f0000000000)=0x68) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x4e2a80) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0xdc) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$LOOP_SET_CAPACITY(0xffffffffffffffff, 0x4c07) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:57 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000e000) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xf6ffffff, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0, 0x91) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x3) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 626.733293] audit: type=1804 audit(1625688477.620:341): pid=30031 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/625/cgroup.controllers" dev="sda1" ino=14411 res=1 [ 626.776339] block nbd5: shutting down sockets [ 626.782780] block nbd3: shutting down sockets 20:07:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xfdfdffff, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 626.899548] block nbd3: shutting down sockets [ 626.904603] block nbd5: Receive control failed (result -32) [ 626.905187] block nbd5: shutting down sockets 20:07:57 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x406, r3) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r4) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 626.973555] block nbd0: Device being setup by another task [ 626.988471] block nbd0: shutting down sockets 20:07:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x2) r1 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x400081) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) recvmsg(r3, &(0x7f0000000540)={&(0x7f0000000180)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x80, &(0x7f00000004c0)=[{&(0x7f0000000200)=""/139, 0x8b}, {&(0x7f00000002c0)=""/8, 0x8}, {&(0x7f0000000300)=""/159, 0x9f}, {&(0x7f00000003c0)=""/57, 0x39}, {&(0x7f0000000400)=""/175, 0xaf}], 0x5}, 0x2) ioctl$NBD_DO_IT(r1, 0xab03) getpeername$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000140)=0x14) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xfdffffff, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 627.068704] block nbd0: Receive control failed (result -32) [ 627.069327] block nbd0: shutting down sockets [ 627.085419] block nbd0: Device being setup by another task 20:07:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) read(r3, &(0x7f00000000c0)=""/10, 0xa) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 627.184842] audit: type=1804 audit(1625688478.070:342): pid=30031 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/625/cgroup.controllers" dev="sda1" ino=14411 res=1 [ 627.228359] block nbd3: shutting down sockets 20:07:58 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000e001) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xfeffffff, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 627.306173] block nbd3: Receive control failed (result -32) [ 627.306880] block nbd3: shutting down sockets [ 627.377463] block nbd0: shutting down sockets 20:07:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD(r1, 0xc01064c1, &(0x7f0000000080)={0x0, 0x0, r1}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800009, 0x52, r1, 0x2000) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_TIMEOUT(r1, 0xab09, 0x80) ioctl$NBD_DO_IT(r0, 0x125e) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000001c0)={0x0, 0xfffffffffffffff2, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000003c0)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="4800000010000507040000000000000000000010", @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000340)=ANY=[@ANYBLOB="380000002400070500ee30cf7c00000000a2a300", @ANYRES32=r6, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) r7 = socket(0x10, 0x80002, 0x0) sendmsg$nl_route(r7, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000004c0)=@newlink={0x28, 0x28, 0x10f, 0x0, 0x0, {0x0, 0x0, 0x0, r6, 0x0, 0x20000}, [@IFLA_MTU={0x8, 0x4, 0x9c}]}, 0x28}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000780)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000740)={&(0x7f0000000100)=@deltfilter={0x614, 0x2d, 0x8, 0x70bd27, 0x25dfdbfe, {0x0, 0x0, 0x0, r6, {0xb, 0x7}, {0x1, 0x2}, {0x5, 0xfff1}}, [@filter_kind_options=@f_u32={{0x8}, {0x598, 0x2, [@TCA_U32_SEL={0x164, 0x5, {0x9, 0x7, 0x5, 0x2, 0x7, 0x0, 0x100, 0xfbf, [{0x8000, 0x7fffffff, 0x7ff, 0x9}, {0x6, 0xb156, 0x9, 0x1}, {0x1, 0x4, 0x8, 0x5}, {0xffff, 0x1f, 0xf42e, 0x8000}, {0x2, 0xffff, 0x7, 0x5}, {0x0, 0x68321cab, 0x1, 0x200}, {0x4, 0x9, 0x1}, {0xe3f, 0x5, 0x101, 0xb8e6}, {0x80, 0x81, 0xe, 0x10001}, {0xfffffff7, 0x9cf8, 0x86, 0x9}, {0x0, 0x7, 0x0, 0x2}, {0x6, 0x7, 0x1, 0x1}, {0x6, 0x8e57, 0x9, 0xd9a}, {0x6, 0x7, 0x0, 0x9}, {0x59, 0x4, 0x2d2, 0x4}, {0x8, 0x7fff, 0x400, 0x80000000}, {0x7, 0x1, 0x10000, 0x10000}, {0x5, 0x3fff800, 0x7, 0x68153f6d}, {0x1000, 0x4, 0x8}, {0x7, 0x80, 0x7, 0x40}, {0x10001, 0xffffffff, 0x7, 0x1}]}}, @TCA_U32_POLICE={0x418, 0x6, [@TCA_POLICE_RESULT={0x8, 0x5, 0x5}, @TCA_POLICE_RESULT={0x8, 0x5, 0x7fffffff}, @TCA_POLICE_PEAKRATE={0x404, 0x3, [0xe6, 0x0, 0x2, 0x0, 0x8, 0xfffffd00, 0x0, 0x9f4, 0xac9, 0x9, 0x1, 0x8000, 0x1000, 0x12, 0x8, 0xf3f0, 0x0, 0x10000, 0x7ff, 0x3, 0x6, 0x2, 0x80000001, 0x10000, 0x8, 0x8, 0x40000000, 0xffffffff, 0x8, 0x0, 0x20, 0x1, 0x5, 0x0, 0x4, 0x4, 0x8c, 0x2, 0x6, 0x80000000, 0xff, 0x2, 0x200, 0x1000, 0x9, 0xfffffffd, 0x4, 0x10001, 0x4, 0x4, 0x7fffffff, 0x5, 0x9e, 0x4, 0x7f, 0x60, 0x4998, 0xbd, 0x8, 0x5, 0x7ad, 0x9, 0x33, 0x3, 0xb1, 0x0, 0x178, 0x7fffffff, 0x1, 0x4, 0x8, 0x8, 0x4, 0x7f, 0x0, 0x10001, 0xc3, 0x0, 0x70, 0x3f, 0x57f, 0x1000, 0x8d, 0xdd0, 0x5, 0xa35d, 0x7, 0x2, 0xfff, 0x8, 0xfffffffd, 0x6, 0x4, 0x9, 0x7, 0x6, 0x7f, 0x7, 0xff, 0x4, 0x10001, 0x0, 0x5, 0xfffffffb, 0x6, 0x2c, 0x5, 0x8001, 0x7d2, 0x5, 0x2, 0xf5, 0x6, 0x0, 0x1ff, 0x32bb, 0x7, 0x8, 0x5, 0x2, 0x8, 0x3, 0x5, 0x1fc00000, 0x3, 0xffff, 0xff, 0x8, 0x1, 0x8, 0x1d, 0x3ff, 0x0, 0x1, 0x3f, 0xff, 0x1, 0x1c0, 0x6, 0x1, 0x4, 0x7, 0x5, 0x3, 0x7f, 0x7, 0xffff8ed4, 0x2da0, 0x5, 0x7, 0x1, 0x4, 0xdf, 0x7, 0x6, 0x3f, 0x5, 0x691, 0x20, 0x80000001, 0x1, 0x40, 0x3, 0x56b4, 0xfffffffd, 0xffffffff, 0x7, 0x100000, 0x0, 0x6, 0xfffffe47, 0x7ff, 0x1f, 0x4, 0xffffffff, 0x5, 0x7, 0x81, 0x7, 0xdf, 0x7f4, 0x9, 0x9, 0x6, 0x40, 0x1, 0x3f, 0x80000000, 0x7, 0xa8d, 0x52, 0x1, 0x40, 0x10001, 0x7, 0x3f, 0x5, 0xe9026f7, 0x0, 0x3, 0x80000000, 0x80, 0x5, 0x8001, 0x6, 0x3f, 0x80, 0x400, 0x0, 0xffffff68, 0x7ff, 0x9, 0x0, 0x7, 0x7f, 0x100, 0x7, 0x2, 0x18, 0x3, 0xfff, 0x7, 0xf6c, 0x80000001, 0x5, 0x5, 0xffffffff, 0x1ff, 0x5, 0x7fffffff, 0x0, 0x8000, 0x6, 0xb6, 0x4, 0x3, 0x6, 0x10001, 0x8, 0x1185, 0x42, 0x9, 0x800, 0x0, 0x7, 0xd1, 0x1ff, 0x1, 0x7fff, 0x7f, 0x0, 0x3, 0x9, 0x0, 0x401, 0x1]}]}, @TCA_U32_FLAGS={0x8, 0xb, 0x8}, @TCA_U32_MARK={0x10, 0xa, {0x2, 0x2}}]}}, @TCA_RATE={0x6, 0x5, {0x9, 0xff}}, @TCA_RATE={0x6, 0x5, {0x3f, 0x3}}, @TCA_RATE={0x6, 0x5, {0x0, 0xff}}, @filter_kind_options=@f_rsvp={{0x9}, {0x2c, 0x2, [@TCA_RSVP_SRC={0x8, 0x3, @remote}, @TCA_RSVP_PINFO={0x20, 0x4, {{0xbaa1, 0xffffff7f, 0xffffffe0}, {0xc3c7, 0xffffcc42, 0xfff}, 0x6c, 0x1f, 0x3f}}]}}]}, 0x614}, 0x1, 0x0, 0x0, 0x40010}, 0x2008004) [ 627.409562] audit: type=1804 audit(1625688478.290:343): pid=30079 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/626/cgroup.controllers" dev="sda1" ino=14294 res=1 20:07:58 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 627.541345] block nbd0: Receive control failed (result -32) [ 627.548731] block nbd0: shutting down sockets 20:07:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x204000) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x800000, 0x11, r1, 0x529d4000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xff000000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000080), 0x43, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 627.721237] block nbd3: shutting down sockets 20:07:58 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000f000) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:07:58 executing program 3: r0 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) getsockopt$SO_COOKIE(r0, 0x1, 0x39, &(0x7f00000000c0), &(0x7f0000000100)=0x8) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 627.794645] block nbd0: server does not support multiple connections per device. [ 627.818226] block nbd0: shutting down sockets [ 627.901858] block nbd0: Device being setup by another task [ 627.942724] block nbd0: Device being setup by another task [ 627.950870] block nbd0: server does not support multiple connections per device. [ 627.983393] audit: type=1804 audit(1625688478.870:344): pid=30118 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/627/cgroup.controllers" dev="sda1" ino=14444 res=1 [ 628.017003] block nbd3: shutting down sockets 20:07:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) 20:07:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x202000) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/module/ata_piix', 0x880, 0x100) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:07:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xff010000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/asound/seq/timer\x00', 0x0, 0x0) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000080)={0xffffffffffffffff, 0x8, 0x8001, 0x1}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000001c0)={0x0, 0xfffffffffffffff2, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000003c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="4800000010000507040000000000000000000010", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000340)=ANY=[@ANYBLOB="380000002400070500ee30cf7c00000000a2a300", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) r6 = socket(0x10, 0x80002, 0x0) sendmsg$nl_route(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000004c0)=@newlink={0x48, 0x28, 0x10f, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x2, {{0x0, 0x9}}}}}}]}, 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000180)={&(0x7f00000000c0), 0xc, &(0x7f0000000140)={&(0x7f0000000100)=@gettclass={0x24, 0x2a, 0x1, 0x70bd27, 0x25dfdbfe, {0x0, 0x0, 0x0, r5, {0x6, 0xc}, {0xfff1, 0x2}, {0x1, 0x7}}, ["", "", "", "", "", "", "", "", ""]}, 0x24}, 0x1, 0x0, 0x0, 0x4048080}, 0x20001) [ 628.103747] block nbd3: shutting down sockets 20:07:59 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x1) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, 0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(0xffffffffffffffff, 0xab07, 0x400) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x260400) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 20:07:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x111300) r2 = signalfd4(r1, &(0x7f00000000c0)={[0xffff]}, 0x8, 0x40800) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x4) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000100), 0x400, 0x0) r5 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000140), 0x400000, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r6 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmsg$NL80211_CMD_FLUSH_PMKSA(r6, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, 0x0, 0x2, 0x70bd26, 0x25dfdbfd, {{}, {@void, @val={0xc, 0x99, {0x2, 0xf}}}}, ["", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x4004800}, 0x4008000) openat(r5, &(0x7f0000000180)='./file0\x00', 0x141200, 0x161) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 628.212179] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 20:07:59 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000ffe0) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) [ 628.270759] block nbd5: shutting down sockets 20:07:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xff0f0000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 628.368871] block nbd3: shutting down sockets [ 628.380458] block nbd5: shutting down sockets 20:07:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000006d00)=[{{&(0x7f0000001400)=@x25, 0x80, &(0x7f0000002780)=[{&(0x7f0000001480)=""/14, 0xe}, {&(0x7f00000014c0)=""/114, 0x72}, {&(0x7f0000001540)=""/122, 0x7a}, {&(0x7f00000015c0)=""/4096, 0x1000}, {&(0x7f00000025c0)=""/30, 0x1e}, {&(0x7f0000002600)=""/28, 0x1c}, {&(0x7f0000002640)=""/110, 0x6e}, {&(0x7f00000026c0)=""/190, 0xbe}], 0x8, &(0x7f0000002800)=""/125, 0x7d}, 0x2}, {{0x0, 0x0, &(0x7f0000003d80)=[{&(0x7f0000002880)=""/94, 0x5e}, {&(0x7f0000002900)=""/25, 0x19}, {&(0x7f0000002940)=""/165, 0xa5}, {&(0x7f0000002a00)=""/32, 0x20}, {&(0x7f0000002a40)=""/4096, 0x1000}, {&(0x7f0000003a40)=""/255, 0xff}, {&(0x7f0000003b40)=""/199, 0xc7}, {&(0x7f0000003c40)=""/51, 0x33}, {&(0x7f0000003c80)=""/215, 0xd7}], 0x9, &(0x7f0000003e40)=""/55, 0x37}, 0x10001}, {{&(0x7f0000003e80)=@un=@abs, 0x80, &(0x7f0000003fc0)=[{0xffffffffffffffff}, {&(0x7f0000003f00)=""/143, 0x8f}], 0x2, &(0x7f0000004000)}, 0x9}, {{&(0x7f0000004040)=@alg, 0x80, &(0x7f0000004100)=[{&(0x7f00000040c0)=""/11, 0xb}], 0x1, &(0x7f0000004140)=""/119, 0x77}, 0x3}, {{&(0x7f00000041c0)=@l2tp6={0xa, 0x0, 0x0, @remote}, 0x80, &(0x7f0000004340)=[{&(0x7f0000004240)=""/45, 0x2d}, {&(0x7f0000004280)=""/192, 0xc0}], 0x2}, 0x3}, {{&(0x7f0000004380)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x0, 0x0, @remote}}, 0x80, &(0x7f0000005880)=[{&(0x7f0000004400)=""/242, 0xf2}, {&(0x7f0000004500)=""/158, 0x9e}, {&(0x7f00000045c0)=""/90, 0x5a}, {&(0x7f0000004640)=""/251, 0xfb}, {&(0x7f0000004740)=""/4096, 0x1000}, {&(0x7f0000005740)=""/238, 0xee}, {&(0x7f0000005840)=""/36, 0x24}], 0x7, &(0x7f0000005900)=""/232, 0xe8}, 0x3}, {{0x0, 0x0, &(0x7f0000005a80)=[{&(0x7f0000005a00)=""/82, 0x52}], 0x1, &(0x7f0000005ac0)=""/98, 0x62}, 0x5}, {{&(0x7f0000005b40)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff}}, 0x80, &(0x7f0000006cc0)=[{&(0x7f0000005bc0)=""/50, 0x32}, {&(0x7f0000005c00)=""/74, 0x4a}, {&(0x7f0000005c80)=""/26, 0x1a}, {&(0x7f0000005cc0)=""/4096, 0x1000}], 0x4}, 0x7}], 0x8, 0x10000, &(0x7f0000006f00)) tkill(0xffffffffffffffff, 0x1b) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x125e) recvmmsg(r0, &(0x7f000000b440)=[{{&(0x7f0000000080)=@rc={0x1f, @fixed}, 0x80, &(0x7f0000000200)=[{&(0x7f0000000000)=""/32, 0x20}, {&(0x7f0000000100)=""/240, 0xf0}], 0x2}, 0x6}, {{&(0x7f0000000240)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @loopback}}}, 0x80, &(0x7f0000007300)=[{&(0x7f00000002c0)=""/205, 0xcd}, {&(0x7f00000003c0)=""/4096, 0x1000}, {&(0x7f00000013c0)=""/62, 0x3e}, {&(0x7f0000006f40)=""/218, 0xda}, {&(0x7f0000007040)=""/183, 0xb7}, {&(0x7f0000007100)=""/220, 0xdc}, {&(0x7f0000007200)=""/100, 0x64}, {&(0x7f0000004000)=""/6, 0x6}, {&(0x7f0000007280)=""/68, 0x44}], 0x9, &(0x7f00000073c0)=""/131, 0x83}, 0xfffffffe}, {{&(0x7f0000007480)=@vsock={0x28, 0x0, 0x0, @hyper}, 0x80, &(0x7f0000009880)=[{&(0x7f0000007500)=""/103, 0x67}, {&(0x7f0000007580)=""/181, 0xb5}, {&(0x7f0000007640)=""/4096, 0x1000}, {&(0x7f0000008640)=""/19, 0x13}, {&(0x7f0000008680)=""/16, 0x10}, {&(0x7f00000086c0)=""/4096, 0x1000}, {&(0x7f00000096c0)=""/193, 0xc1}, {&(0x7f00000097c0)=""/173, 0xad}], 0x8, &(0x7f0000009900)=""/93, 0x5d}, 0x5}, {{&(0x7f0000009980)=@l2tp6={0xa, 0x0, 0x0, @private1}, 0x80, &(0x7f0000009b40)=[{&(0x7f0000009a00)=""/141, 0x8d}, {&(0x7f0000009ac0)=""/103, 0x67}], 0x2, &(0x7f0000009b80)=""/97, 0x61}, 0xfe}, {{&(0x7f0000009c00)=@ax25={{0x3, @bcast}, [@null, @bcast, @netrom, @netrom, @bcast, @rose, @netrom, @null]}, 0x80, &(0x7f000000adc0)=[{&(0x7f0000009c80)=""/73, 0x49}, {&(0x7f0000009d00)=""/139, 0x8b}, {&(0x7f0000009dc0)=""/4096, 0x1000}], 0x3, &(0x7f000000ae00)=""/248, 0xf8}, 0xba8a}, {{&(0x7f000000af00)=@hci, 0x80, &(0x7f000000b340)=[{&(0x7f000000af80)=""/191, 0xbf}, {&(0x7f000000b040)}, {&(0x7f000000b080)=""/68, 0x44}, {&(0x7f000000b100)=""/204, 0xcc}, {&(0x7f000000b200)=""/50, 0x32}, {&(0x7f000000b240)=""/253, 0xfd}], 0x6, &(0x7f000000b3c0)=""/122, 0x7a}, 0x720}], 0x6, 0x1, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) symlinkat(&(0x7f000000b040)='./file0\x00', r2, &(0x7f000000b5c0)='./file0\x00') 20:07:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x90002) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 628.463716] block nbd3: shutting down sockets 20:07:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x2003) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x100000001) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$BLKFLSBUF(r0, 0x1261, &(0x7f00000000c0)=0x1f) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 628.615161] block nbd0: shutting down sockets 20:07:59 executing program 3: sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000340)=ANY=[@ANYBLOB="380000002400070500ee30cf7c00000000a2a300", @ANYRES32, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) r0 = socket(0x10, 0x80002, 0x0) sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000004c0)=@newlink={0x48, 0x28, 0x10f, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x28, 0x12, 0x0, 0x1, @veth={{0x9}, {0x18, 0x2, 0x0, 0x1, @val=@VETH_INFO_PEER={0x14, 0x2, {{0x0, 0x9}}}}}}]}, 0x48}}, 0x0) bind(0xffffffffffffffff, &(0x7f0000000140)=@xdp={0x2c, 0x8, 0x0, 0x12}, 0x80) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x519882) ioctl$NBD_SET_BLKSIZE(r2, 0xab01, 0x9) r3 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) r7 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000000c0), 0x94200, 0x0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 628.673068] block nbd0: Could not allocate knbd recv work queue. [ 628.691882] block nbd0: shutting down sockets 20:07:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xfffff000, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:07:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_DO_IT(r0, 0x125e) 20:07:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 628.839471] block nbd5: shutting down sockets 20:07:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000000), 0x8) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_DO_IT(r0, 0x125e) [ 628.885712] block nbd3: shutting down sockets [ 628.892486] block nbd0: server does not support multiple connections per device. [ 628.905142] block nbd0: shutting down sockets [ 628.910251] block nbd5: Receive control failed (result -32) [ 628.917062] block nbd5: shutting down sockets [ 628.985456] block nbd3: shutting down sockets [ 629.001721] block nbd0: Device being setup by another task [ 629.061869] block nbd0: Receive control failed (result -32) [ 629.069054] block nbd0: shutting down sockets 20:08:00 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x80) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:08:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) r4 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r4, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r4}], 0x1, 0x1) preadv(r1, &(0x7f00000003c0)=[{&(0x7f00000000c0)=""/42}, {&(0x7f0000000100)=""/141}, {&(0x7f0000000400)=""/269}, {&(0x7f00000002c0)=""/251, 0x32}], 0x3, 0x10000, 0xb) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:08:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) r1 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r1, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r1}], 0x1, 0x1) ioctl$BTRFS_IOC_SNAP_CREATE(r0, 0x50009401, &(0x7f0000000080)={{r1}, "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"}) 20:08:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x40200) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:08:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xfffffdfd, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:08:00 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x10000fff0) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:08:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) r1 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/tcp_wmem\x00', 0x1, 0x0) r2 = socket$xdp(0x2c, 0x3, 0x0) dup3(r1, r2, 0x80000) [ 629.283945] block nbd3: shutting down sockets [ 629.311391] block nbd0: shutting down sockets [ 629.314525] block nbd5: shutting down sockets [ 629.338217] block nbd3: shutting down sockets 20:08:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xfffffe00, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:08:00 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = open(&(0x7f0000000180)='./bus\x00', 0x1612c2, 0x0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/vmallocinfo\x00', 0x0, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r3, r4, 0x0, 0x4000000000010046) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f000005e680)={0x0, 0x0, "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", "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"}) r7 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r7, &(0x7f0000001900)={0x0, 0x0, 0x0}, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) r8 = syz_open_dev$usbfs(&(0x7f0000000180), 0x77, 0x1) perf_event_open(&(0x7f0000000840)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x4010, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000, 0x0, @perf_bp={0x0}}, 0x0, 0xff7fffffffffffff, 0xffffffffffffffff, 0x0) r9 = openat$cgroup_freezer_state(0xffffffffffffffff, &(0x7f0000000000), 0x2, 0x0) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r9, 0xd000943e, &(0x7f0000001940)={r5, r6, "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", "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"}) ioctl$USBDEVFS_IOCTL(r8, 0xc0105512, &(0x7f0000000040)=@usbdevfs_connect) ioctl$USBDEVFS_IOCTL(r8, 0xc0105512, &(0x7f0000000380)) [ 629.373144] block nbd0: shutting down sockets 20:08:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$IOC_PR_REGISTER(r2, 0x401870c8, &(0x7f00000000c0)={0x3, 0x1, 0x1}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 629.433048] block nbd5: Receive control failed (result -32) [ 629.439226] block nbd5: shutting down sockets 20:08:00 executing program 1: ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000001500)=[{&(0x7f0000000040)="94a30a8023ac398121b1c6df4127ceb8c98539df73e60c4d19ebf5ac8f040f868d7b1764edbee14693e2aa5127c1d5acd16d58e15017ef0eea57e08fe4922538ca90935632b5e57b246bec2968f3999cc66b323ab0e5c6c6c7cf2a96773259ee9fd7005b0d54a3458a834c96b5346dde076a960b95c303fd92caab43f3028445de5f190060a7", 0x86}, {&(0x7f0000000100)="a89c0957ec8114d6e9bcccc9af58b1e9d4bd47e8308a8280792d527173fd8430e9a4df019c66c2d53faa259381e1d7f1aa198e9680324c203ef6b1ed276b5b3772bbdbdc96cbc0304029e08992b09c7e06b7c7b8fbfdd8cf6eefbd32ed7187feb6b2b76d71f2700fc0046d6f751520ab1e5c0a8953a881a3c57e4afcabcc958a9609bec91354e69bd982cc1e0f362c28ea4cba57907cacd8a142bb9428ea38aa291520b677f2f6eff75028fd16d2193ef38debefbdd71efad453b2c88322cde7daa21d36bffe12423d14e3ca9a5becc9874516dd9e4aa691a382ada128f054", 0xdf}, {&(0x7f0000000200)="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", 0x1000}, {&(0x7f0000001200)="1460bd3299a8087d2e5dc5b5c09fee5bf8dba8aa85d1fda00d6f229e72513e34dbe13cbe1e5c4cac46e03fe2f92c532cfbc86362f33bb699de442c719de00d4fed919f3f0640201035c96777349d749ce366d913898c3dc6f81b70b0132adaed96186c7bc625576d98b51f0c38db1c91db9c3dfc4256302ab6271e1f8d9bd5bd2de8b04eed86afd704e41503e620ecb5c9fda403e35befd7d67008a6c8c75c99bfd237ef60f25a50a1eb7a0b84201ba2b0775a7b2bf90fde75e03190c9c2d81c826b2a29c4cc8b13df621254cd93000fab38ae03dcf48ca6e2cbb3752a74758cbfa232529c78b4d0409e91ee510efe4487a4", 0xf2}, {&(0x7f0000001300)="70ddd11d8a2aba7b03089ec02d525bcc5cf9e8cd70ea1fe0b2f16b7fec248790c9ccb80e6fdb1c03aefc721783cb557b35f140b4c6f702080ba1679bc1b927bb2d38dc63153d12896c83daffb67d8b478cfd5ab68bba019bb3b2bfd96d3ca01ed3591dddeefa766a207620519598fc731fc9a71f9e98bbe76d1b3c21ee9dc9184b6246ccbf7ca07ebfd5b1facff051c7c693a6fa6417cdd673a9370b9ef4eaa1d6e6ab15bea8aa13884fdd7dc5f1859e77d974", 0xb3}, {&(0x7f00000013c0)="32fae3387e4f3e367abcf4007aa68de602b837d74bce6becdcf0435e61b17cce04de57f4ee07c3522c78b851b33d173626895aec46c296f88abf9d4f2f334c8763a33c4279bc448ae3fd9bf5331b3253f68d99b93c192fececfe17e8325109d5f48529fd3a670964d0e8897c7bd7910dfd074c018f4996a2984f2a21342ae8ffb7dd3d691363e7e55d60192ca322a87b5c5f3ddf583482d6b78eb939de2fb1ef1070ebac99f10b2529efd7c5f1f1d7fa019159a6c61f96a0d6482751887aa3a4ba16587c6efbf93f1ecd70bfd616413c0a0c26a2f61e5eacbb2564", 0xdb}, {&(0x7f00000014c0)="0ba275cdd2ebd0795d32e48c7d6071eb27d5b4ade4c397c8abdefb2bc1e61b747d36dd48882433", 0x27}], 0x7, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r2, 0x125e) 20:08:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:08:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xffffff7f, 0x0, &(0x7f0000000600), 0x0, 0x0) [ 629.657932] block nbd0: shutting down sockets 20:08:00 executing program 1: ioctl$FS_IOC_SETFSLABEL(0xffffffffffffffff, 0x41009432, &(0x7f0000000240)="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") flock(0xffffffffffffffff, 0xa) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x0, 0xd9f, 0x0) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x10, 0x70bd2c, 0x25dfdbfd}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x20008080) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0x125e) [ 629.742900] block nbd0: Could not allocate knbd recv work queue. [ 629.744159] block nbd5: shutting down sockets [ 629.790332] block nbd0: shutting down sockets [ 629.859331] block nbd5: shutting down sockets 20:08:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x143a00) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_DO_IT(r0, 0x125e) r1 = openat$md(0xffffffffffffff9c, &(0x7f0000000000), 0x20101, 0x0) ioctl$BLKDISCARD(r1, 0x1277, &(0x7f0000000080)=0x55) 20:08:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xffffff8c, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:08:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='cpuacct.usage_percpu_sys\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r6 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000600), 0x400000, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000700)={&(0x7f0000000640)={0x8c, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10000}]}, 0x8c}, 0x1, 0x0, 0x0, 0x44094}, 0x24000044) r7 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r7, 0x0) preadv(r7, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x480c82) ioctl$NBD_SET_SIZE(r7, 0xab02, 0xffff) 20:08:01 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x1001a5bac) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:08:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) socketpair(0x21, 0x4, 0xf9, &(0x7f0000000080)) openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x111002, 0x101) ioctl$NBD_DO_IT(r0, 0x125e) 20:08:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000300)='/proc/sys/net/ipv4/vs/sync_threshold\x00', 0x2, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = creat(&(0x7f0000000080)='./file0\x00', 0x84) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$F2FS_IOC_RESERVE_COMPRESS_BLOCKS(0xffffffffffffffff, 0x8008f513, &(0x7f0000000100)) r5 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000140), 0x20600, 0x0) readv(r5, &(0x7f00000002c0)=[{&(0x7f0000000180)=""/43, 0x2b}, {&(0x7f00000001c0)=""/36, 0x24}, {&(0x7f0000000200)=""/134, 0x86}], 0x3) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 630.198004] block nbd0: shutting down sockets [ 630.241932] block nbd0: Device being setup by another task [ 630.317071] block nbd3: Receive control failed (result -32) [ 630.323421] block nbd3: shutting down sockets [ 630.358981] hub 9-0:1.0: USB hub found [ 630.368536] hub 9-0:1.0: 8 ports detected [ 630.385823] kauditd_printk_skb: 5 callbacks suppressed 20:08:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x103041) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x5) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x40000) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 630.385841] audit: type=1804 audit(1625688481.270:350): pid=30350 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/630/cgroup.controllers" dev="sda1" ino=13925 res=1 [ 630.391336] block nbd3: Receive control failed (result -32) [ 630.428617] block nbd3: shutting down sockets 20:08:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xffffff97, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:08:01 executing program 1: syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) 20:08:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 20:08:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xffffffe0, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:08:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r1 = syz_open_dev$sndctrl(&(0x7f0000000000), 0x1, 0x4c0080) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r1, 0xc0045516, &(0x7f0000000040)=0xb35) poll(&(0x7f00000008c0)=[{r1}], 0x1, 0x1) ftruncate(0xffffffffffffffff, 0x6) ioctl$F2FS_IOC_GET_FEATURES(r1, 0x8004f50c, &(0x7f0000000000)) ioctl$NBD_DO_IT(r0, 0x125e) r2 = accept$phonet_pipe(0xffffffffffffffff, &(0x7f0000000080), &(0x7f00000000c0)=0x10) fgetxattr(r2, &(0x7f00000001c0)=@random={'btrfs.', '/dev/nbd#\x00'}, &(0x7f0000000140)=""/73, 0x49) [ 630.578376] block nbd0: shutting down sockets [ 630.626102] block nbd0: shutting down sockets [ 630.652624] block nbd3: shutting down sockets 20:08:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x202) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='cpuset.effective_mems\x00', 0x0, 0x0) 20:08:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$befs(0x0, &(0x7f00000000c0)='./file0\x00', 0xffffffe4, 0x0, &(0x7f0000000600), 0x0, 0x0) 20:08:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) r1 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/tcp_wmem\x00', 0x1, 0x0) r2 = socket$xdp(0x2c, 0x3, 0x0) dup3(r1, r2, 0x80000) [ 630.894064] block nbd0: shutting down sockets 20:08:01 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) r5 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f00000005c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_DEL_KEY(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)={0x24, r4, 0x1868576669c76d87, 0x0, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_KEY_IDX={0x5}]}, 0x24}}, 0x0) sendfile(r3, r2, 0x0, 0x1fffff000) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) 20:08:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0x125e) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) r1 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/tcp_wmem\x00', 0x1, 0x0) r2 = socket$xdp(0x2c, 0x3, 0x0) dup3(r1, r2, 0x80000) [ 630.964487] audit: type=1804 audit(1625688481.850:351): pid=30354 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/630/cgroup.controllers" dev="sda1" ino=13925 res=1 [ 630.991247] block nbd0: shutting down sockets 20:08:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DO_IT(r2, 0xab03) [ 631.158523] audit: type=1804 audit(1625688482.040:352): pid=30413 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/631/cgroup.controllers" dev="sda1" ino=14286 res=1 [ 631.333771] block nbd5: shutting down sockets [ 631.398853] block nbd5: shutting down sockets [ 631.591256] audit: type=1804 audit(1625688482.470:353): pid=30415 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir733790381/syzkaller.vunorW/631/cgroup.controllers" dev="sda1" ino=14286 res=1 [ 686.854628] ieee802154 phy1 wpan1: encryption failed: -22 [ 748.294062] ieee802154 phy1 wpan1: encryption failed: -22 [ 793.092103] INFO: task systemd-udevd:29857 blocked for more than 140 seconds. [ 793.100499] Not tainted 4.19.196-syzkaller #0 [ 793.106404] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 793.117773] systemd-udevd D26624 29857 4698 0x00000100 [ 793.123549] Call Trace: [ 793.126171] __schedule+0x887/0x2040 [ 793.129919] ? io_schedule_timeout+0x140/0x140 [ 793.137458] schedule+0x8d/0x1b0 [ 793.140950] io_schedule+0xb5/0x120 [ 793.146184] wait_on_page_bit+0x2c5/0x3f0 [ 793.150412] ? wake_page_function+0x1b0/0x1b0 [ 793.155913] ? __bread_gfp+0x300/0x300 [ 793.159823] ? add_to_page_cache_lru+0x680/0x680 [ 793.166144] do_read_cache_page+0x8ed/0x1170 [ 793.170569] ? blkdev_writepages+0x20/0x20 [ 793.175991] read_dev_sector+0xbf/0x500 [ 793.180001] ? adfspart_check_ADFS+0x8e0/0x8e0 [ 793.188489] adfspart_check_ICS+0x114/0xe70 [ 793.192963] ? adfspart_check_ADFS+0x8e0/0x8e0 [ 793.197600] ? snprintf+0xbb/0xf0 [ 793.201053] ? vsprintf+0x30/0x30 [ 793.204717] ? _raw_spin_unlock+0x29/0x40 [ 793.208921] ? __get_vm_area_node+0x2e2/0x3a0 [ 793.213673] ? adfspart_check_ADFS+0x8e0/0x8e0 [ 793.218266] check_partition+0x390/0x690 [ 793.222464] rescan_partitions+0x1b5/0x970 [ 793.226716] ? nbd_open+0x4cc/0x6f0 [ 793.230355] ? nbd_add_socket+0x840/0x840 [ 793.234629] bdev_disk_changed+0x179/0x1b0 [ 793.238974] __blkdev_get+0x1282/0x1480 [ 793.243056] ? bdev_disk_changed+0x1b0/0x1b0 [ 793.247479] ? perf_trace_lock_acquire+0x530/0x530 [ 793.252733] ? perf_trace_lock+0xe2/0x4b0 [ 793.256900] ? perf_trace_lock_acquire+0x530/0x530 [ 793.261951] blkdev_get+0xb0/0x940 [ 793.265507] ? bd_acquire+0x245/0x440 [ 793.269316] ? __blkdev_get+0x1480/0x1480 [ 793.273602] ? lock_downgrade+0x720/0x720 [ 793.277771] ? lock_acquire+0x170/0x3c0 [ 793.281828] ? bd_acquire+0x21/0x440 [ 793.285572] ? do_raw_spin_unlock+0x171/0x230 [ 793.290066] blkdev_open+0x202/0x290 [ 793.293861] do_dentry_open+0x4aa/0x1160 [ 793.297934] ? blkdev_get_by_dev+0x70/0x70 [ 793.303464] ? chown_common+0x550/0x550 [ 793.307459] ? inode_permission+0x3d/0x140 [ 793.311901] path_openat+0x793/0x2df0 [ 793.315713] ? path_lookupat+0x8d0/0x8d0 [ 793.319775] ? perf_trace_lock_acquire+0x530/0x530 [ 793.324855] ? perf_trace_lock+0xe2/0x4b0 [ 793.329092] ? perf_trace_lock+0xe2/0x4b0 [ 793.333434] ? perf_trace_lock_acquire+0x530/0x530 [ 793.338412] do_filp_open+0x18c/0x3f0 [ 793.342372] ? may_open_dev+0xf0/0xf0 [ 793.346230] ? lock_downgrade+0x720/0x720 [ 793.350423] ? lock_acquire+0x170/0x3c0 [ 793.354899] ? __alloc_fd+0x34/0x570 [ 793.358859] ? do_raw_spin_unlock+0x171/0x230 [ 793.363652] ? _raw_spin_unlock+0x29/0x40 [ 793.367972] ? __alloc_fd+0x28d/0x570 [ 793.372290] do_sys_open+0x3b3/0x520 [ 793.376079] ? filp_open+0x70/0x70 [ 793.380160] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 793.385811] ? trace_hardirqs_off_caller+0x6e/0x210 [ 793.391001] ? do_syscall_64+0x21/0x620 [ 793.395230] do_syscall_64+0xf9/0x620 [ 793.399109] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 793.405537] RIP: 0033:0x7fb6837a0840 [ 793.409374] Code: Bad RIP value. [ 793.412899] RSP: 002b:00007ffdd0aba528 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 793.420706] RAX: ffffffffffffffda RBX: 0000555901a76f10 RCX: 00007fb6837a0840 [ 793.428198] RDX: 0000555900cadfe3 RSI: 00000000000a0800 RDI: 0000555901a758c0 [ 793.435735] RBP: 00007ffdd0aba6a0 R08: 0000555900cad670 R09: 0000000000000010 [ 793.443310] R10: 0000555900cadd0c R11: 0000000000000246 R12: 00007ffdd0aba5f0 [ 793.450728] R13: 0000555901a78e00 R14: 0000000000000003 R15: 000000000000000e [ 793.458392] INFO: task syz-executor.3:30365 blocked for more than 140 seconds. [ 793.466117] Not tainted 4.19.196-syzkaller #0 [ 793.471168] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 793.479347] syz-executor.3 D28648 30365 8129 0x00000004 [ 793.485232] Call Trace: [ 793.487899] __schedule+0x887/0x2040 [ 793.491694] ? io_schedule_timeout+0x140/0x140 [ 793.496507] ? lock_downgrade+0x720/0x720 [ 793.500682] ? __mutex_lock+0x415/0x1200 [ 793.505049] schedule+0x8d/0x1b0 [ 793.509962] schedule_preempt_disabled+0xf/0x20 [ 793.514827] __mutex_lock+0x604/0x1200 [ 793.518759] ? blkdev_put+0x30/0x520 [ 793.522598] ? mutex_trylock+0x1a0/0x1a0 [ 793.526724] ? lock_downgrade+0x720/0x720 [ 793.530909] ? locks_remove_file+0x286/0x450 [ 793.535497] ? locks_check_ctx_file_list+0x1d/0x110 [ 793.540545] ? perf_trace_lock_acquire+0x530/0x530 [ 793.545631] ? _raw_spin_unlock+0x29/0x40 [ 793.549789] ? locks_remove_file+0x2cd/0x450 [ 793.554317] ? blkdev_put+0x520/0x520 [ 793.558140] blkdev_put+0x30/0x520 [ 793.561699] ? blkdev_put+0x520/0x520 [ 793.565638] blkdev_close+0x86/0xb0 [ 793.569273] __fput+0x2ce/0x890 [ 793.572830] task_work_run+0x148/0x1c0 [ 793.576740] exit_to_usermode_loop+0x251/0x2a0 [ 793.581431] do_syscall_64+0x538/0x620 [ 793.585569] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 793.590820] RIP: 0033:0x4193eb [ 793.594289] Code: Bad RIP value. [ 793.597764] RSP: 002b:00007ffd44163a50 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 793.605668] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004193eb [ 793.614017] RDX: 0000000000570410 RSI: ffffffff8167a5ca RDI: 0000000000000003 [ 793.621325] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2fc22b04 [ 793.628751] R10: 0000000000000a8b R11: 0000000000000293 R12: 0000000000099f78 [ 793.636222] R13: 00000000000003e8 R14: 000000000056bf80 R15: 0000000000099f05 [ 793.643643] ? trace_hardirqs_on_caller+0x5a/0x210 [ 793.648672] [ 793.648672] Showing all locks held in the system: [ 793.655224] 1 lock held by khungtaskd/1570: [ 793.659588] #0: 00000000c512e172 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 793.668435] 2 locks held by agetty/7806: [ 793.672601] #0: 00000000200e856d (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 793.681340] #1: 00000000485143e9 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 [ 793.690324] 1 lock held by systemd-udevd/29857: [ 793.695046] #0: 000000004938fee5 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 [ 793.703414] 1 lock held by syz-executor.3/30365: [ 793.708290] #0: 000000004938fee5 (&bdev->bd_mutex){+.+.}, at: blkdev_put+0x30/0x520 [ 793.717256] [ 793.718897] ============================================= [ 793.718897] [ 793.726049] NMI backtrace for cpu 1 [ 793.729697] CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.196-syzkaller #0 [ 793.737195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 793.746549] Call Trace: [ 793.749159] dump_stack+0x1fc/0x2ef [ 793.752782] nmi_cpu_backtrace.cold+0x63/0xa2 [ 793.757274] ? lapic_can_unplug_cpu+0x80/0x80 [ 793.761778] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 793.767087] watchdog+0x991/0xe60 [ 793.770550] ? reset_hung_task_detector+0x30/0x30 [ 793.775390] kthread+0x33f/0x460 [ 793.778764] ? kthread_park+0x180/0x180 [ 793.782744] ret_from_fork+0x24/0x30 [ 793.786890] Sending NMI from CPU 1 to CPUs 0: [ 793.791993] NMI backtrace for cpu 0 [ 793.792001] CPU: 0 PID: 4694 Comm: systemd-journal Not tainted 4.19.196-syzkaller #0 [ 793.792008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 793.792013] RIP: 0010:__sanitizer_cov_trace_cmp4+0x4/0x20 [ 793.792024] Code: b6 f7 31 ff eb 80 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 02 00 00 00 e9 6c ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 8b 0c 24 <89> f2 89 fe bf 04 00 00 00 e9 4e ff ff ff 66 66 2e 0f 1f 84 00 00 [ 793.792029] RSP: 0018:ffff8880a089f8a8 EFLAGS: 00000246 [ 793.792038] RAX: 0000000000000002 RBX: ffff8880a089fa10 RCX: ffffffff81a609a2 [ 793.792043] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000002 [ 793.792049] RBP: ffff8880a089fce0 R08: 0000000000000000 R09: 0000000000000000 [ 793.792055] R10: 0000000000000007 R11: 0000000000000000 R12: ffff8880a1c93b80 [ 793.792060] R13: 1ffff11014113f1e R14: ffff8880add8c1a0 R15: ffff8880a089f9e0 [ 793.792066] FS: 00007fd02828e8c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 793.792072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 793.792077] CR2: 00007fd0259e3000 CR3: 00000000a1b91000 CR4: 00000000001406f0 [ 793.792083] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 793.792089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 793.792092] Call Trace: [ 793.792096] lookup_fast+0x1e2/0x1080 [ 793.792100] ? follow_managed+0xbc0/0xbc0 [ 793.792104] ? perf_trace_lock_acquire+0x530/0x530 [ 793.792108] ? perf_trace_lock+0xe2/0x4b0 [ 793.792113] ? mark_held_locks+0xf0/0xf0 [ 793.792117] walk_component+0xde/0xda0 [ 793.792121] ? lookup_fast+0x1080/0x1080 [ 793.792125] ? lock_downgrade+0x720/0x720 [ 793.792129] ? generic_permission+0x116/0x4d0 [ 793.792141] ? security_inode_permission+0xc5/0xf0 [ 793.792146] ? inode_permission.part.0+0x10c/0x450 [ 793.792150] link_path_walk.part.0+0x901/0x1230 [ 793.792154] ? walk_component+0xda0/0xda0 [ 793.792159] ? percpu_counter_add_batch+0x126/0x180 [ 793.792163] path_openat+0x1db/0x2df0 [ 793.792167] ? path_lookupat+0x8d0/0x8d0 [ 793.792171] ? perf_trace_lock_acquire+0x530/0x530 [ 793.792175] ? perf_trace_lock+0xe2/0x4b0 [ 793.792180] ? perf_trace_lock+0xe2/0x4b0 [ 793.792184] ? perf_trace_lock_acquire+0x530/0x530 [ 793.792188] do_filp_open+0x18c/0x3f0 [ 793.792192] ? may_open_dev+0xf0/0xf0 [ 793.792196] ? lock_downgrade+0x720/0x720 [ 793.792200] ? lock_acquire+0x170/0x3c0 [ 793.792204] ? __alloc_fd+0x34/0x570 [ 793.792208] ? do_raw_spin_unlock+0x171/0x230 [ 793.792212] ? _raw_spin_unlock+0x29/0x40 [ 793.792216] ? __alloc_fd+0x28d/0x570 [ 793.792220] do_sys_open+0x3b3/0x520 [ 793.792224] ? filp_open+0x70/0x70 [ 793.792229] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 793.792233] ? trace_hardirqs_off_caller+0x6e/0x210 [ 793.792237] ? do_syscall_64+0x21/0x620 [ 793.792241] do_syscall_64+0xf9/0x620 [ 793.792246] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 793.792250] RIP: 0033:0x7fd02781d840 [ 793.792261] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 793.792265] RSP: 002b:00007ffffd9a4268 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 793.792275] RAX: ffffffffffffffda RBX: 00007ffffd9a4570 RCX: 00007fd02781d840 [ 793.792281] RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 000056132419f2a0 [ 793.792286] RBP: 000000000000000d R08: 0000000000000000 R09: 00000000ffffffff [ 793.792292] R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff [ 793.792298] R13: 0000561324192040 R14: 00007ffffd9a4530 R15: 000056132419f2f0 [ 793.792530] Kernel panic - not syncing: hung_task: blocked tasks [ 794.141114] CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.196-syzkaller #0 [ 794.148569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 794.157933] Call Trace: [ 794.160528] dump_stack+0x1fc/0x2ef [ 794.164178] panic+0x26a/0x50e [ 794.167412] ? __warn_printk+0xf3/0xf3 [ 794.171317] ? lapic_can_unplug_cpu+0x80/0x80 [ 794.175822] ? ___preempt_schedule+0x16/0x18 [ 794.180225] ? watchdog+0x991/0xe60 [ 794.183864] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 794.189328] watchdog+0x9a2/0xe60 [ 794.192798] ? reset_hung_task_detector+0x30/0x30 [ 794.197644] kthread+0x33f/0x460 [ 794.200995] ? kthread_park+0x180/0x180 [ 794.204969] ret_from_fork+0x24/0x30 [ 794.209639] Kernel Offset: disabled [ 794.213276] Rebooting in 86400 seconds..